CN105089631A - Horizontal well rod conveying dynamic logging method - Google Patents

Horizontal well rod conveying dynamic logging method Download PDF

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Publication number
CN105089631A
CN105089631A CN201510228261.3A CN201510228261A CN105089631A CN 105089631 A CN105089631 A CN 105089631A CN 201510228261 A CN201510228261 A CN 201510228261A CN 105089631 A CN105089631 A CN 105089631A
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China
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cable
logging
horizontal well
connector
leading block
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CN201510228261.3A
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CN105089631B (en
Inventor
胡书宝
张宝辉
杨永祥
章沙莉
王凤清
李向齐
王一鸣
郭吉民
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201510228261.3A priority Critical patent/CN105089631B/en
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Abstract

The invention provides a horizontal well rod conveying dynamic logging method, and belongs to the technical field of oil field horizontal well logging. The method comprises the following steps of: pulling out an original well pipe column, and performing well pigging and well flushing; then, feeding a horizontal well rod conveying dynamic logging process pipe column into a casing pipe; disconnecting the pipe column in a position of a disconnector; feeding a horizontal well rod conveying dynamic logging process rod column; connecting the upper part of an underground instrument with a flexible pipe joint and tappets; continuously connecting the tappets to the required length; connecting the top tappet with a cable end; connecting the two ends of the underground instrument with an underground instrument corrector; installing a wellhead guide device; connecting a cable with the cable end; sucking and discharging liquid; performing test through cable pulling; and finally, pulling out the cable, the tappets and well logging instruments. The horizontal well rod conveying dynamic logging method has the advantages that the horizontal well test hollow pump lifting production is used; cable pulling and tappet pump passing instrument conveyance are used; dynamic logging is realized; the cost is low; meanwhile, the tappets have high rigidity and high toughness, and realizes high-pressure resistance and high-temperature resistance; the built-in cable realizes instrument signal transmission; the structure is simple; and the use is convenient.

Description

Horizontal well bar conveying dynamic logging method
Technical field
The present invention relates to the logging technique rod tube post of horizontal well bar conveying dynamic logging method and horizontal well bar conveying dynamic logging, belong to oilfield horizontal well logging technique field.
Background technology
Horizontal wellbore logging generally adopts three kinds of modes such as the conveying of oil pipe coiled tubing, tractor conveying, Hydraulic transportation both at home and abroad at present.Existing oil pipe conveying and Hydraulic transportation, pumping liquid, liquid enters stratum, directly affects test result, and tractor conveying and coiled tubing carry input cost higher.In the urgent need to finding a kind of testing method as straight well is logged well.
Chinese patent literature " continuous tube horizontal borehole process and device " publication number: CN101382069A, publication date: on March 11st, 2009, adopt continuous-tube as the means of delivery of downhole logging instrument, but horizontal well is adopted for numerous machine, also cannot carry out producing profile testing under normal production status at present.
" horizontal well gaslift adopted by machine to Chinese patent literature method is producedliquid section plane test technique " publication number: CN101403292A; publication date: on April 8th, 2009; adopt the gaslift mode of production, drive tester with tractor, " mainly solving the problem that existing horizontal well cannot carry out producing profile testing under normal production status ".Shortcomings is that the gaslift mode of production not only needs special nitrogen to produce car and compression locomotive, and truly can not reflect that the normal production status of horizontal well adopted by machine.
Chinese patent literature " preset production fluid section plane test method of mechanical mining horizontal well and special shaft mouth test apparatus " publication number: CN101403291A, publication date: on April 8th, 2009, " method adopting prior preset tester and downhole tractor to combine coordinates special shaft mouth test apparatus to realize machine and adopts horizontal well presetting system producing profile testing." Shortcomings is that whole technique is more complicated.
Chinese patent literature " method for testing horizontal well oil conduit transportation under pumping state " publication number: CN101377127A, publication date: on March 4th, 2009, adopts conventional pumping tool wire rope swab to carry out pumping production, oil pipe conveying test.Shortcomings is because test cable is positioned at outside oil pipe, and not only whole to remove technique more complicated, and whether goes out the uncertainty of protective due to the leakage of pumping instrument and tester, can not reflect that the normal production status of horizontal well adopted by machine.
Summary of the invention
Main purpose of the present invention is to provide a kind of horizontal well bar to carry the logging technique rod tube post of dynamic logging method and horizontal well bar conveying dynamic logging, needs pumping liquid, cause inaccurate problem of logging well to solve prior art horizontal wellbore logging.
To achieve these goals, according to an aspect of the present invention, provide the logging technique rod tube post of a kind of horizontal well bar conveying dynamic logging, horizontal well bar conveying dynamic logging technique rod tube post, is tested dynamic lifting device formed by horizontal well bar conveying dynamic logging process pipe string, horizontal well bar conveying dynamic logging technique roofbolt, horizontal well; Horizontal well bar conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, tubular column structure is from bottom to top: oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, disjointed device are connected successively with oil pipe, and oil pipe receives well head always; Horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizers, downhole instrument top connects flexible nipple, tappet, the length of needs received by tappet always, go up most a root elevator bar and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer; Horizontal well tests dynamic lifting device, and be made up of production rig, self-sealing blowout preventer, oil pipe, on-off connector, connecting rod, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, oil pipe, through self-sealing blowout preventer, passes through 2 with on-off connector 7/ 8heavy wall tubing is threaded; On-off connector is by 2 7/ 8heavy wall tubing screw thread is connected with anti-apical organ; Anti-apical organ is by 2 7/ 8heavy wall tubing screw thread is connected with packer; Packer is by 2 7/ 8heavy wall tubing screw thread and horizontal well are tested hollow pump and are connected; Horizontal well test hollow pump is by 2 7/ 8heavy wall tubing screw thread is connected with oil pipe horn mouth; The length of connecting rod is 9.5m, external diameter 48.3mm, internal diameter 40mm, and its two ends are respectively with the pin thread of M48 × 2.5, and the hollow plunger testing hollow pump respectively with the male of on-off connector and horizontal well is connected.
Further, horizontal wellbore logging tappet, primarily of the thread protector used in the body of rod, cable plug assembly, pressure cap, cable, cable socket assembly, back-up ring and accumulating and helmet composition; The body of rod is welded together by tubular body and tubular upper connector, body and tubular lower connector, and the center line of body, upper connector and lower connector is on same straight line; Upper connector has centre bore, and upper connector centre bore is stepped central hole, and there is internal thread in upper connector upper end center hole, is fixed with the thread protector used in accumulating at the threaded upper ends of upper connector; A cable plug assembly is had in centre bore in the middle part of upper connector; Center, middle part hole wall has axial groove, and plug stop pin one end of cable plug assembly is in axial groove; In the middle of upper connector, there is internal thread the upper end of centre bore, and the pressure cap external screw thread of annular is fixed on centre bore upper end in the middle of connector, and cable plug assembly is fixed in the middle centre bore of upper connector by pressure cap; Cable plug assembly, through upper connector lower center hole, body central hole and lower connector centre bore, is connected with cable socket assembly by cable; Lower connector has centre bore, and lower connector centre bore is stepped central hole, has a cable socket assembly in lower connector lower center hole; Lower connector lower center hole wall has axial groove, and socket stop pin one end of cable socket assembly is in axial groove; Lower connector lower center hole inwall has cannelure, and the back-up ring of annular is stuck in the inwall cannelure of lower connector lower center hole, and cable socket assembly is fixed in lower connector lower center hole by back-up ring; Have external screw thread in lower connector lower end, the helmet screw thread used in accumulating is fixed on the lower end of lower connector; The wall of lower connector external thread section there is seal groove, in seal groove, has O sealing ring; The wall of upper connector internal thread segment there is sealing surface; Between horizontal wellbore logging tappet and when being connected between tappet with instrument tool, realize upper connector and lower connector by screw thread and O sealing ring and to be connected with link and to seal; The outer wall of upper connector there is annular groove, when removing well operations as tappet scene, the use of the bayonet socket of the rod elevator of lifting tappet; Cable plug assembly be made up of holding screw, plug insulation sleeve, plug conducting ring, plug stop pin and plug body; Plug body profile is notch cuttype cylinder, has centre bore, and there is internal thread the upper end of centre bore, is connected and fixed with the external screw thread of holding screw lower end; Plug body lower end cylinder cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of plug stop pin lower end; 2 plug conducting rings and plug insulation sleeve are cylindrical toroidal, are fixed on plug body cylinder cylindrical stage casing successively; 2 plug conducting rings are connected to wire respectively, are connected with 2 plug conductive rings of cable socket assembly by two-core cable.
Further, cable socket assembly is made up of socket stop pin, plug conductive ring, socket dead ring, socket main body, sealing and dustproof circle and socket pressure cap; Socket main body profile is cylinder, and inside have notch cuttype centre bore, there is internal thread lower end; Socket main body cylinder upper end cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of socket stop pin lower end; 2 plug conductive rings are circular, socket dead ring is cylindrical toroidal, is fixed in the endoporus in plug body cylinder stage casing successively; 2 plug conductive rings are connected to wire respectively, are connected with 2 plug conducting rings of cable plug assembly by two-core cable; Socket pressure cap endoporus has cannelure, and sealing and dustproof circle is just contained in cannelure; There is external screw thread socket pressure cap cylindrical upper end, is connected and fixed with socket main body lower end internal thread.
Further, well head guiding device, primarily of casing coupling, fixed pulley gripper shoe placed in the middle, fixed pulley placed in the middle, fixed pulley axis, junction plate, leading block, leading block axle, pivot pin, leading block gripper shoe, nut, screw mandrel and bearing pin composition placed in the middle; Casing coupling is cylindrical shape, the outer wall of casing coupling is welded with two parallel fixed pulley gripper shoes rectangular placed in the middle, the centerline parallel of fixed pulley gripper shoe placed in the middle and casing coupling; Be connected with a fixed pulley placed in the middle in the upper end of two fixed pulley gripper shoes placed in the middle by fixed pulley axis placed in the middle, fixed pulley placed in the middle is in the centre of two fixed pulley gripper shoes placed in the middle; A screw mandrel joint is had by pinned connection in the bottom of two fixed pulley gripper shoes placed in the middle, screw mandrel joint cross section is circular or square, pin shaft hole is had in one end of screw mandrel joint, have pin hole in the bottom of two fixed pulley gripper shoes placed in the middle, bearing pin passes pin shaft hole and two fixed pulley gripper shoe pin holes placed in the middle of screw mandrel joint; Have center screw at the other end of screw mandrel joint, screw mandrel joint other end center screw internal fixtion has screw mandrel, and the center line of screw mandrel joint and the center line of screw mandrel are on same straight line; Screw mandrel there is nut; Cover has a sliding sleeve in the bottom of nut and on screw mandrel, sliding sleeve outer wall is symmetrically welded with two and ships and resell on another market, and ships and resell on another market hole in the bottom of two leading block gripper shoes, two ship and resell on another market insert two leading block gripper shoe bottoms respectively ship and resell on another market in hole; Two leading block gripper shoes are rectangular flat board; There is pin hole the upper end of two leading block gripper shoes respectively, and in the pin hole of two leading block gripper shoe upper ends, have a leading block axle, leading block axle is connected with leading block, leading block is in the middle of two leading block gripper shoes.
Further, pin hole is had at the middle part of two leading block gripper shoes, pivot pin is had in pin hole in the middle part of two leading block gripper shoes, pivot pin is through the pin hole of the pin hole in the middle part of two leading block gripper shoes and junction plate one end, and junction plate is connected to the middle part of two leading block gripper shoes by pivot pin; Have pin shaft hole in the middle part of fixed pulley gripper shoe placed in the middle, be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe placed in the middle, the other end of junction plate is connected to the two ends of bearing pin.
According to another aspect of the present invention, additionally provide a kind of horizontal well bar conveying dynamic logging method, the method is applied to the logging technique rod tube post of horizontal well bar described above conveying dynamic logging, horizontal well bar conveying dynamic logging method comprises the following steps: first, trip out former well casing post, drifting, well-flushing; Secondly, to enter in sleeve pipe under horizontal well bar conveying dynamic logging process pipe string, be from bottom to top: the test of oil pipe horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, disjointed device, oil pipe, oil pipe receives well head always, the anti-apical organ of base sealed packer grappling, tubing string is thrown off from on-off connector; 3rd, under enter horizontal well bar conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, tappet, and the length of needs received by tappet always, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer; 4th, well head guiding device is installed; 5th, cable is connected with cable head; 6th, pumping discharge opeing; 7th, adopt cable to remove and test; Finally, cable, tappet, logger is tripped out.
Further, horizontal wellbore logging tappet onsite application method: when carrying out logging operation, horizontal wellbore logging tappet under next root elevator bar connector connect logger, upper connector connects this device, many capable of being combined are needed according to well logging, go up most a upper connector to be connected with cable head, adopt cable to remove and test.
Further, when carrying out logging operation, the needs according to well logging can adopt many horizontal wellbore logging tappets to be connected in series.Namely connect logger at the lower connector lower end screw thread of a horizontal wellbore logging tappet bottom, cable socket assembly is connected conducting with logger; Connect another root horizontal wellbore logging tappet in the upper end of horizontal wellbore logging tappet bottom, cable socket assembly is connected conducting with cable plug assembly; Going up most the upper connector threaded upper ends stube cable head of a horizontal wellbore logging tappet, cable head is connected conducting with the cable plug assembly going up most a horizontal wellbore logging tappet; Cable head top stube cable, to well head, adopts cable to remove and tests.
Further, well head guiding device uses and comprises the following steps: unloaded by the leading block of well head guiding device, the hole slot that cable has through leading block gripper shoe one end, install leading block and rotary screw rod, leading block is moved inward, after making to there is certain distance between cable and working rig travelling block, payout can be descended; When the lower cable of needs, rotating nut, makes nut rotate to screw mandrel one end near screw mandrel joint; Due to fixed pulley gripper shoe placed in the middle, junction plate, between leading block gripper shoe and screw mandrel joint, form a quadrangle, make leading block gripper shoe parallel with fixed pulley gripper shoe placed in the middle, leading block gripper shoe drives leading block away from the top of casing coupling above well head; Now cable leaves above well head at the draught line of leading block; After under operation, cable starts, cable can avoid the friction that working rig travelling block avoids cable and working rig travelling block, prevents cable from wearing and tearing; Then, cable enters in well head through the guiding of fixed pulley placed in the middle, make cable can not with wellhead casing pipe or oil pipe friction, decrease the wearing and tearing of cable.
Apply technical scheme of the present invention, adopt horizontal well bar conveying well measuring technique rod tube post, carry out horizontal wellbore logging, realize cable and remove, cost is low, meanwhile, and tappet rigidity, good toughness, high pressure resistant high temperature, built-in cable realizes instrument signal transmission, and structure is simple, easy to use; Adopt horizontal well bar conveying well measuring method, carry out horizontal wellbore logging, realize cable and remove, cost is low, and meanwhile, tappet rigidity, good toughness, high pressure resistant high temperature, built-in cable realizes instrument signal transmission, and structure is simple, easy to use.
Accompanying drawing explanation
Form the manual of a application's part accompanying drawingbe used to provide a further understanding of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.? in accompanying drawing:
fig. 1show structural representation of the present invention figure;
fig. 2show tappet structural representation of the present invention figure;
fig. 3show tappet cable plug assembly of the present invention signal figure;
fig. 4show tappet cable socket assembly of the present invention signal figure;
fig. 5show horizontal well of the present invention and test the signal of dynamic lifting device figure.
fig. 6show well head guiding device of the present invention structural representation figure;
fig. 7show well head guiding device duty of the present invention signal figure.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to accompanying drawingand describe the present invention in detail in conjunction with the embodiments.
In order to overcome the deficiencies in the prior art, the invention provides the logging technique rod tube post of horizontal well bar conveying dynamic logging method and a kind of horizontal well bar conveying dynamic logging.
The present invention adopts horizontal well to test hollow pump lifting and produces, and the conveying of pump instrument crossed by tappet, adopts cable to play under type, completes the dynamic test of horizontal well.
The invention provides a kind of horizontal wellbore logging technique rod tube post, ensure the realization of horizontal well bar conveying dynamic logging method.
There is provided a kind of cable wellhead guiding device, for horizontal well pumping test, guarantee cable connector smoothly by well head, can avoid working rig travelling block, reduce the friction of cable and working rig travelling block, protection cable prevents the wearing and tearing of cable.
The technical solution used in the present invention is: horizontal well bar conveying dynamic logging method:
First, former well casing post is tripped out, drifting, well-flushing;
Secondly, to enter in sleeve pipe under horizontal well bar conveying dynamic logging process pipe string: be: the test of oil pipe horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, disjointed device, oil pipe from bottom to top, oil pipe receives well head always, the anti-apical organ of base sealed packer grappling, tubing string is thrown off from on-off connector;
3rd, under enter horizontal well bar conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, tappet, and the length of needs received by tappet always, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer;
4th, well head guiding device is installed;
5th, cable is connected with cable head;
6th, pumping discharge opeing;
7th, adopt cable to remove and test;
Finally, cable, tappet, logger is tripped out.
Horizontal wellbore logging tappet onsite application method:
When carrying out logging operation, under horizontal wellbore logging tappet, connector connects logger, and upper connector connects this device, needs many capable of being combined according to well logging, goes up a upper connector most and is connected with cable head, adopt cable to remove and test.
When carrying out logging operation, the needs according to well logging can adopt many horizontal wellbore logging tappets to be connected in series.Namely connect logger at the lower connector lower end screw thread of a horizontal wellbore logging tappet bottom, cable socket assembly is connected conducting with logger; Connect another root horizontal wellbore logging tappet in the upper end of horizontal wellbore logging tappet bottom, cable socket assembly is connected conducting with cable plug assembly; Going up most the upper connector threaded upper ends stube cable head of a horizontal wellbore logging tappet, cable head is connected conducting with the cable plug assembly going up most a horizontal wellbore logging tappet; Cable head top stube cable is to well head.Adopt cable to remove to test.
Well head guiding device uses and comprises the following steps:
The leading block of well head guiding device is unloaded, the hole slot that cable has through leading block gripper shoe one end, installs leading block and rotary screw rod, leading block is moved inward, after making to there is certain distance between cable and working rig travelling block, payout can be descended; When the lower cable of needs, rotating nut, makes nut rotate to screw mandrel one end near screw mandrel joint; Due to fixed pulley gripper shoe placed in the middle, junction plate, between leading block gripper shoe and screw mandrel joint, form a quadrangle, make leading block gripper shoe parallel with fixed pulley gripper shoe placed in the middle, leading block gripper shoe drives leading block away from the top of casing coupling above well head; Now cable leaves above well head at the draught line of leading block; After under operation, cable starts, cable can avoid the friction that working rig travelling block avoids cable and working rig travelling block, prevents cable from wearing and tearing; Then, cable enters in well head through the guiding of fixed pulley placed in the middle, make cable can not with wellhead casing pipe or oil pipe friction, decrease the wearing and tearing of cable;
A kind of logging technique rod tube post of horizontal well bar conveying dynamic logging, horizontal well bar conveying dynamic logging technique rod tube post, dynamic logging process pipe string is carried by horizontal well bar, horizontal well bar conveying dynamic logging technique roofbolt, horizontal well tests dynamic lifting device composition, horizontal well bar conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth forms, tubular column structure is from bottom to top: oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, disjointed device is connected successively with oil pipe, oil pipe receives well head always, horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizers, downhole instrument top connects flexible nipple, tappet, the length of needs received by tappet always, go up most a root elevator bar and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer, horizontal well tests dynamic lifting device, and be made up of production rig, self-sealing blowout preventer, oil pipe, on-off connector, connecting rod, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, oil pipe, through self-sealing blowout preventer, passes through 2 with on-off connector 7/ 8heavy wall tubing is threaded, on-off connector is by 2 7/ 8heavy wall tubing screw thread is connected with anti-apical organ, anti-apical organ is by 2 7/ 8heavy wall tubing screw thread is connected with packer, packer is by 2 7/ 8heavy wall tubing screw thread and horizontal well are tested hollow pump and are connected, horizontal well test hollow pump is by 2 7/ 8heavy wall tubing screw thread is connected with oil pipe horn mouth, the length of connecting rod is 9.5m, external diameter 48.3mm, internal diameter 40mm, and its two ends are respectively with the pin thread of M48 × 2.5, and the hollow plunger testing hollow pump respectively with the male of on-off connector and horizontal well is connected, horizontal wellbore logging tappet, primarily of the thread protector used in the body of rod, cable plug assembly, pressure cap, cable, cable socket assembly, back-up ring and accumulating and helmet composition, the body of rod is welded together by tubular body, tubular upper connector and tubular lower connector, and the center line of body, upper connector and lower connector is on same straight line, upper connector has centre bore, and upper connector centre bore is stepped central hole, and there is internal thread in upper connector upper end center hole, is fixed with the thread protector used in accumulating at the threaded upper ends of upper connector, a cable plug assembly is had in centre bore in the middle part of upper connector, center, middle part hole wall has axial groove, and plug stop pin one end of cable plug assembly is in axial groove, in the middle of upper connector, there is internal thread the upper end of centre bore, and the pressure cap external screw thread of annular is fixed on centre bore upper end in the middle of connector, and cable plug assembly is fixed in the middle centre bore of upper connector by pressure cap, cable plug assembly, through upper connector lower center hole, body central hole and lower connector centre bore, is connected with cable socket assembly by cable, lower connector has centre bore, and lower connector centre bore is stepped central hole, has a cable socket assembly in lower connector lower center hole, lower connector lower center hole wall has axial groove, and socket stop pin one end of cable socket assembly is in axial groove, lower connector lower center hole inwall has cannelure, and the back-up ring of annular is stuck in the inwall cannelure of lower connector lower center hole, and cable socket assembly is fixed in lower connector lower center hole by back-up ring, have external screw thread in lower connector lower end, the helmet screw thread used in accumulating is fixed on the lower end of lower connector, the wall of lower connector external thread section there is seal groove, in seal groove, has O sealing ring, the wall of upper connector internal thread segment there is sealing surface, between horizontal wellbore logging tappet and when being connected between tappet with instrument tool, realize upper connector and lower connector by screw thread and O sealing ring and to be connected with link and to seal, the outer wall of upper connector there is annular groove, when removing well operations as tappet scene, the use of the bayonet socket of the rod elevator of lifting tappet, described cable plug assembly is made up of holding screw, plug insulation sleeve, plug conducting ring, plug stop pin and plug body, plug body profile is notch cuttype cylinder, has centre bore, and there is internal thread the upper end of centre bore, is connected and fixed with the external screw thread of holding screw lower end, plug body lower end cylinder cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of plug stop pin lower end, 2 plug conducting rings and plug insulation sleeve are cylindrical toroidal, are fixed on plug body cylinder cylindrical stage casing successively, 2 plug conducting rings are connected to wire respectively, are connected with 2 plug conductive rings of cable socket assembly by two-core cable, described cable socket assembly is made up of socket stop pin, plug conductive ring, socket dead ring, socket main body, sealing and dustproof circle and socket pressure cap, socket main body profile is cylinder, and inside have notch cuttype centre bore, there is internal thread lower end, socket main body cylinder upper end cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of socket stop pin lower end, 2 plug conductive rings are circular, socket dead ring is cylindrical toroidal, is fixed in the endoporus in plug body cylinder stage casing successively, 2 plug conductive rings are connected to wire respectively, are connected with 2 plug conducting rings of cable plug assembly by two-core cable, socket pressure cap endoporus has cannelure, and sealing and dustproof circle is just contained in cannelure, there is external screw thread socket pressure cap cylindrical upper end, is connected and fixed with socket main body lower end internal thread, well head guiding device, forms primarily of casing coupling 1501, fixed pulley gripper shoe 1503 placed in the middle, fixed pulley 1504 placed in the middle, fixed pulley axis 1505, junction plate 1506, leading block 1507, leading block axle 1508, pivot pin 1509, leading block gripper shoe 1510, nut 1511, screw mandrel 1512 and bearing pin 1514 placed in the middle.It is characterized in that: casing coupling 1501 is cylindrical shape, the tubing coupling that casing coupling 1501 can be enclosed within well head during well logging is used for fixing guiding device.The outer wall of casing coupling 1501 is welded with two parallel fixed pulley gripper shoes 1503 rectangular placed in the middle, the centerline parallel of fixed pulley gripper shoe 1503 placed in the middle and casing coupling 1501; Be connected with a fixed pulley 1504 placed in the middle in the upper end of two fixed pulley gripper shoes 1503 placed in the middle by fixed pulley axis 1505 placed in the middle, fixed pulley 1504 placed in the middle is in the centre of two fixed pulley gripper shoes 1503 placed in the middle; A screw mandrel joint 1513 is connected with by bearing pin 1514 in the bottom of two fixed pulley gripper shoes 1503 placed in the middle, screw mandrel joint 1513 cross section is circular or square, pin shaft hole is had in one end of screw mandrel joint 1513, have pin hole in the bottom of two fixed pulley gripper shoes 1503 placed in the middle, bearing pin 1514 passes pin shaft hole and two fixed pulley gripper shoe 1503 pin holes placed in the middle of screw mandrel joint 1513; Screw mandrel joint 1513 can rotate along pivot pin 1514; Have center screw at the other end of screw mandrel joint 1513, screw mandrel joint 1513 other end center screw internal fixtion has screw mandrel 1512, and the center line of screw mandrel joint 1513 and the center line of screw mandrel 1512 are on same straight line; Screw mandrel 1512 there is nut 1511; Cover has a sliding sleeve in the bottom of nut 1511 and on screw mandrel 1512, sliding sleeve outer wall is symmetrically welded with two to ship and resell on another market, ship and resell on another market hole in the bottom of two leading block gripper shoes 1510, two ship and resell on another market insert two leading block gripper shoe 1510 bottoms respectively ship and resell on another market in hole; Two leading block gripper shoes 1510 are rectangular flat board; There is pin hole the upper end of two leading block gripper shoes 1510 respectively, a leading block axle 1508 is had in the pin hole of two leading block gripper shoe 1510 upper ends, leading block axle 1508 is connected with leading block 1507, leading block 1507 is in the middle of two leading block gripper shoes 1510; Pin hole is had at the middle part of two leading block gripper shoes 1510, pivot pin 1509 is had in pin hole in the middle part of two leading block gripper shoes 1510, pivot pin 1509 is through the pin hole of the pin hole in the middle part of two leading block gripper shoes 1510 and junction plate 1506 one end, and junction plate 1506 is connected to the middle part of two leading block gripper shoes 1510 by pivot pin 1509; Have pin shaft hole in the middle part of fixed pulley gripper shoe 1503 placed in the middle, be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe 1503 placed in the middle, the other end of junction plate 1506 is connected to the two ends of bearing pin.
Operating principle of the present invention and the course of work: consult fig. 1, when carrying out logging operation, first enter down horizontal well bar conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, pumping discharge opeing, enter down horizontal well bar conveying dynamic logging technique roofbolt again, cable is connected with cable head, adopts cable to remove and tests.
Beneficial effect of the present invention: adopt horizontal well bar conveying dynamic logging method, carry out horizontal wellbore logging, adopts the lifting of horizontal well test hollow pump to produce, employing cable removes, the conveying of pump instrument crossed by tappet, and realize dynamic logging, cost is low, simultaneously, tappet rigidity, good toughness, high pressure resistant high temperature, built-in cable realizes instrument signal transmission, structure is simple, easy to use.
Embodiment 1: as Fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7shown in,
Horizontal well bar conveying dynamic logging technique rod tube post, dynamic logging process pipe string, horizontal well bar is carried to carry dynamic logging technique roofbolt to form by horizontal well bar, horizontal well bar conveying dynamic logging process pipe string, form primarily of oil pipe 8, disjointed device 12, anti-apical organ 11, packer 10, horizontal well test hollow pump 9, horn mouth 7, tubular column structure is from bottom to top: 2 7/ 8in oil pipe horn mouth 7,2 7/ 8the test of in oil pipe 8, horizontal well hollow pump 9, Y211-114 packer 10, anti-apical organ 11, disjointed device 12,2 7/ 8in oil pipe 8 connects successively, and 2 7/ 8in oil pipe 8 receives well head always, horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head 5, tappet 4, flexible nipple 3, downhole instrument 2, downhole instrument centralizers 1,17, downhole instrument 2 top connects flexible nipple 3, tappet 4, the length of needs received by tappet 4 always, go up most a root elevator bar and connect cable head 5, downhole instrument 2 two ends are connected to downhole instrument centralizer 1,17, the first downhole instrument centralizer 1 connecting downhole instrument 2 in sleeve pipe 13, the other end of downhole instrument 2 connects the second downhole instrument centralizer 17, the other end of the second downhole instrument centralizer 17 connects flexible nipple 3, the other end of flexible nipple 3 connects tappet 4, the other end stube cable head 5 of tappet 4, the other end stube cable 6 of cable head 5, the other end of cable 6 connects horn mouth 7, the other end connected pipes 8 of horn mouth 7, the other end of oil pipe 8 connects draw-off pump 9, the other end of draw-off pump 9 connects packer 10, the other end of packer 10 connects anti-apical organ 11, the other end connected pipes on-off connector 12 of anti-apical organ 11, the other end of oil manifold uncoupling machine 12 connects well head, sleeve pipe 13 connects well head, well head connects lower sheave 14, well head guiding device 15 and top sheave 16.
Consult fig. 1, when carrying out logging operation, first enter down horizontal well bar conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector:
Set: upper lifting pipe post height 1.3m, slowly transfer tubing string, be pressurized to 6 ~ 8t, base sealed packer.Continue slowly to transfer tubing string, be pressurized to 10t, the anti-apical organ of grappling;
Disconnect: slowly upper lifting pipe post, controls suspending weight 15.5 ~ 16t, reversion oil pipe 20 ~ 24 encloses, and tubing string is thrown off from on-off connector;
Pumping discharge opeing: control pumping stroke≤4.5m, jig frequency 2 ~ 3min -1, pumping liquid millpond reclaims, and starts test after lifting rate meets the demands.
Enter down horizontal well bar conveying dynamic logging technique roofbolt again, cable is connected with cable head, adopts cable to remove and tests.
Embodiment 2:
as Fig. 2shown in, horizontal wellbore logging tappet, forms primarily of the thread protector 401 used in the body of rod, cable plug assembly 403, pressure cap 404, cable 405, cable socket assembly 407, back-up ring 409 and accumulating and helmet 410; The body of rod is welded together by tubular body 406 external diameter 38 millimeters, internal diameter 25 millimeters, length 8000 millimeters, tubular upper connector 402 and tubular lower connector 408, and the center line of body 406, upper connector 402 and lower connector 408 is on same straight line; Upper connector 402 has centre bore, and upper connector 402 centre bore is stepped central hole, and there is 11/16 sucker rod internal thread in upper connector 402 upper end center hole, is fixed with the thread protector 401 used in accumulating at the threaded upper ends of upper connector 402; A cable plug assembly 403 is had in the centre bore of upper connector 402 mid diameter 15 millimeters; Center, middle part hole wall has wide 2 millimeters of axial grooves, and plug stop pin 40304 one end of cable plug assembly 403 is in axial groove; Have internal thread in the upper end of the middle centre bore of upper connector 402, pressure cap 404 external screw thread of annular is fixed on the middle centre bore upper end of connector 402, and cable plug assembly 403 is fixed in the middle centre bore of upper connector 40402 by pressure cap 404; Cable plug assembly 403, through upper connector 402 lower center hole, body 406 centre bore and lower connector 408 centre bore, is connected with cable socket assembly 407 by cable 405; Lower connector 408 has centre bore, and lower connector 408 centre bore is stepped central hole, has a cable socket assembly 407 in the centre bore of lower connector 408 lower end diameter 15 millimeters; Lower connector 408 lower center hole wall has wide 2 millimeters of axial grooves, and socket stop pin 40701 one end of cable socket assembly 407 is in axial groove; Lower connector 408 lower center hole inwall has cannelure, and the back-up ring 409 of annular is stuck in the inwall cannelure of lower connector 408 lower center hole, and cable socket assembly 407 is fixed in lower connector 408 lower center hole by back-up ring 409; Have 11/16 sucker rod external screw thread in lower connector 408 lower end, helmet 410 screw thread used in accumulating is fixed on the lower end of lower connector 408; The wall of lower connector 408 external thread section there is seal groove, in seal groove, has O sealing ring; The wall of upper connector 402 internal thread segment there is sealing surface; Between horizontal wellbore logging tappet and when being connected between tappet with instrument tool, realize upper connector 402 and lower connector 408 by screw thread and O sealing ring and to be connected with link and to seal; The outer wall of upper connector 402 there is the annular groove of diameter 28 millimeters, when removing well operations as tappet scene, the use of the bayonet socket of the rod elevator of lifting tappet; as Fig. 3shown in, described cable plug assembly 403 is made up of holding screw 40301, plug insulation sleeve 40302, plug conducting ring 40303, plug stop pin 40304 and plug body 40305; Plug body 40305 profile is notch cuttype cylinder, has centre bore, and there is internal thread the upper end of centre bore, is connected and fixed with the external screw thread of holding screw 40301 lower end; Plug body 40305 lower end cylinder cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of plug stop pin 40304 lower end; 2 plug conducting rings 40303 and plug insulation sleeve 40302 are cylindrical toroidal, are fixed on plug body 40305 cylinder cylindrical stage casing successively; 2 plug conducting rings 40303 are connected to wire respectively, are connected with 2 plug conductive rings 40702 of cable socket assembly 407 by two-core cable 405; as Fig. 4shown in, described cable socket assembly 407 is made up of socket stop pin 40701, plug conductive ring 40702, socket dead ring 40703, socket main body 40704, sealing and dustproof circle 40705 and socket pressure cap 40706; Socket main body 40704 profile is cylinder, and inside have notch cuttype centre bore, there is internal thread lower end; Socket main body 40704 cylinder upper end cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of socket stop pin 40701 lower end; 2 plug conductive rings 40702 are circular, socket dead ring 40703 is cylindrical toroidal, is fixed in the endoporus in plug body 40305 cylinder stage casing successively; 2 plug conductive rings 40702 are connected to wire respectively, are connected with 2 plug conducting rings 40303 of cable plug assembly 403 by two-core cable 405; Socket pressure cap 40706 endoporus has cannelure, and sealing and dustproof circle 40705 is just contained in cannelure; There is external screw thread socket pressure cap 40706 cylindrical upper end, is connected and fixed with socket main body 40704 lower end internal thread.
Embodiment 3:
Consult fig. 5horizontal well dynamic logging lifting device of the present invention, forms primarily of production rig 19, self-sealing blowout preventer 18, oil pipe 8, SCT-62 type on-off connector 12, connecting rod 20, the anti-apical organ 11 of SCF-62 type, Y211-114 type packer 10, SCB-40 type horizontal well test hollow pump 9, horn mouth 7; Production rig 19 connects self-sealing blowout preventer 18, and oil pipe 8, through self-sealing blowout preventer 18, passes through 2 with SCT-62 type on-off connector 12 7/ 8heavy wall tubing is threaded; SCT-62 type on-off connector 12 is by 2 7/ 8heavy wall tubing screw thread is connected with the anti-apical organ 11 of SCF-62 type; The anti-apical organ 11 of SCF-62 type is by 2 7/ 8heavy wall tubing screw thread is connected with Y211-114 type packer 10; Y211-114 type packer 10 is by 2 7/ 8heavy wall tubing screw thread is tested hollow pump 9 with SCB-40 type horizontal well and is connected; SCB-40 type horizontal well test hollow pump 9 is by 2 7/ 8heavy wall tubing screw thread is connected with oil pipe horn mouth 7; The length of connecting rod 20 is 9.5m, external diameter 48.3mm, internal diameter 40mm, and its two ends are respectively with the pin thread of M48 × 2.5, and the hollow plunger testing hollow pump 9 respectively with the male of SCT-62 type on-off connector 12 and SCB-40 type horizontal well is connected.
Embodiment 4: for a well head guiding device, the present invention is described in further detail.
Consult fig. 6.Cable wellhead guiding device of the present invention, forms primarily of casing coupling 1501, fixed pulley gripper shoe 1503 placed in the middle, fixed pulley 1504 placed in the middle, fixed pulley axis 1505, junction plate 1506, leading block 1507, leading block axle 1508, pivot pin 1509, leading block gripper shoe 1510, nut 1511, screw mandrel 1512 and bearing pin 1514 placed in the middle.
Casing coupling 1501 is cylindrical shape, and the outer wall of casing coupling 1501 is welded with two parallel fixed pulley gripper shoes 1503 rectangular placed in the middle, and the length of fixed pulley gripper shoe 1503 placed in the middle is 400mm, width 70mm.The centerline parallel of fixed pulley gripper shoe 1503 placed in the middle and casing coupling 1501.Be connected with a fixed pulley 1504 placed in the middle in the upper end of two fixed pulley gripper shoes 1503 placed in the middle by fixed pulley axis 1505 placed in the middle, fixed pulley 1504 placed in the middle is in the centre of two fixed pulley gripper shoes 1503 placed in the middle.The diameter of fixed pulley 1504 placed in the middle is 150mm.A screw mandrel joint 1513 is connected with by bearing pin 1514 in the bottom of two fixed pulley gripper shoes 1503 placed in the middle, screw mandrel joint 1513 cross section is square, the pin shaft hole of a transverse direction is had in one end of screw mandrel joint 1513, have pin hole in the bottom of two fixed pulley gripper shoes 1503 placed in the middle, bearing pin 1514 passes pin shaft hole and two fixed pulley gripper shoe 1503 pin holes placed in the middle of screw mandrel joint 1513.Have center screw at the other end of screw mandrel joint 1513, screw mandrel joint 1513 other end center screw internal fixtion has the screw mandrel 1512 of a M20, and the center line of screw mandrel joint 1513 and the center line of screw mandrel 1512 are on same straight line.Screw mandrel 1512 there is the nut 1511 of a M20.Cover has a sliding sleeve in the bottom of nut 1511 and on screw mandrel 1512, sliding sleeve outer wall is symmetrically welded with two to ship and resell on another market, the bottom of two leading block gripper shoes 1510 has a hole of shipping and reselling on another market respectively, ships and resell on another market for two and inserts the shipping and reselling on another market in hole of two leading block gripper shoe 1510 bottoms respectively.
Two leading block gripper shoes 1510 are rectangular flat board, and the length of leading block gripper shoe 1510 is 1000mm, width 100mm.There is pin hole the upper end of two leading block gripper shoes 1510 respectively, a leading block axle 1508 is had in the pin hole of two leading block gripper shoe 1510 upper ends, leading block axle 1508 is connected with leading block 1507, leading block 1507 is in the middle of two leading block gripper shoes 1510.Have pin hole at the middle part of two leading block gripper shoes 1510, the pin hole at the middle part of leading block gripper shoe 1510 to leading block gripper shoe 1510 upper end pin hole between distance be 450mm.Pivot pin 1509 is had in pin hole in the middle part of two leading block gripper shoes 1510, pivot pin 1509 is through the pin hole of the pin hole in the middle part of two leading block gripper shoes 1510 and junction plate 1506 one end, and junction plate 1506 is connected to the middle part of two leading block gripper shoes 1510 by pivot pin 1509.
Have pin shaft hole in the middle part of fixed pulley gripper shoe 1503 placed in the middle, be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe 1503 placed in the middle, the other end of junction plate 1506 is connected to the two ends of bearing pin.The length of junction plate 1506 is 350mm.
Embodiment 5: a kind of logging technique rod tube post of horizontal well bar conveying dynamic logging, horizontal well bar conveying dynamic logging technique rod tube post, dynamic logging process pipe string is carried by horizontal well bar, horizontal well bar conveying dynamic logging technique roofbolt, horizontal well tests dynamic lifting device composition, horizontal well bar conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth forms, tubular column structure is from bottom to top: oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, disjointed device, oil pipe connects successively, oil pipe receives well head always, horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, tappet, flexible nipple, downhole instrument centralizers, downhole instrument top connects flexible nipple, tappet, the length of needs received by tappet always, go up most a root elevator bar and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer, operating principle of the present invention and the course of work: consult fig. 1.When carrying out logging operation, first enter down horizontal well bar conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, pumping discharge opeing, enter down horizontal well bar conveying dynamic logging technique roofbolt again, cable is connected with cable head, adopts cable to remove and tests.
Horizontal wellbore logging tappet, primarily of the thread protector used in the body of rod, cable plug assembly, pressure cap, cable, cable socket assembly, back-up ring and accumulating and helmet composition; The body of rod is welded together by tubular body, tubular upper connector and tubular lower connector, and the center line of body, upper connector and lower connector is on same straight line; Upper connector has centre bore, and upper connector centre bore is stepped central hole, and there is internal thread in upper connector upper end center hole, is fixed with the thread protector used in accumulating at the threaded upper ends of upper connector; A cable plug assembly is had in centre bore in the middle part of upper connector; Center, middle part hole wall has axial groove, and plug stop pin one end of cable plug assembly is in axial groove; In the middle of upper connector, there is internal thread the upper end of centre bore, and the pressure cap external screw thread of annular is fixed on centre bore upper end in the middle of connector, and cable plug assembly is fixed in the middle centre bore of upper connector by pressure cap; Cable plug assembly, through upper connector lower center hole, body central hole and lower connector centre bore, is connected with cable socket assembly by cable; Lower connector has centre bore, and lower connector centre bore is stepped central hole, has a cable socket assembly in lower connector lower center hole; Lower connector lower center hole wall has axial groove, and socket stop pin one end of cable socket assembly is in axial groove; Lower connector lower center hole inwall has cannelure, and the back-up ring of annular is stuck in the inwall cannelure of lower connector lower center hole, and cable socket assembly is fixed in lower connector lower center hole by back-up ring; Have external screw thread in lower connector lower end, the helmet screw thread used in accumulating is fixed on the lower end of lower connector; The wall of lower connector external thread section there is seal groove, in seal groove, has O sealing ring; The wall of upper connector internal thread segment there is sealing surface; Between horizontal wellbore logging tappet and when being connected between tappet with instrument tool, realize upper connector and lower connector by screw thread and O sealing ring and to be connected with link and to seal; The outer wall of upper connector there is annular groove, when removing well operations as tappet scene, the use of the bayonet socket of the rod elevator of lifting tappet; Described cable plug assembly is made up of holding screw, plug insulation sleeve, plug conducting ring, plug stop pin and plug body; Plug body profile is notch cuttype cylinder, has centre bore, and there is internal thread the upper end of centre bore, is connected and fixed with the external screw thread of holding screw lower end; Plug body lower end cylinder cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of plug stop pin lower end; 2 plug conducting rings and plug insulation sleeve are cylindrical toroidal, are fixed on plug body cylinder cylindrical stage casing successively; 2 plug conducting rings are connected to wire respectively, are connected with 2 plug conductive rings of cable socket assembly by two-core cable; Described cable socket assembly is made up of socket stop pin, plug conductive ring, socket dead ring, socket main body, sealing and dustproof circle and socket pressure cap; Socket main body profile is cylinder, and inside have notch cuttype centre bore, there is internal thread lower end; Socket main body cylinder upper end cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of socket stop pin lower end; 2 plug conductive rings are circular, socket dead ring is cylindrical toroidal, is fixed in the endoporus in plug body cylinder stage casing successively; 2 plug conductive rings are connected to wire respectively, are connected with 2 plug conducting rings of cable plug assembly by two-core cable; Socket pressure cap endoporus has cannelure, and sealing and dustproof circle is just contained in cannelure; There is external screw thread socket pressure cap cylindrical upper end, is connected and fixed with socket main body lower end internal thread.
The operating principle of tappet and the course of work: consult fig. 1.When carrying out logging operation, under horizontal wellbore logging tappet, connector connects logger, and upper connector connects this device, needs many capable of being combined according to well logging, goes up a upper connector most and is connected with cable head, adopt cable to remove and test.
When carrying out logging operation, the needs according to well logging can adopt many horizontal wellbore logging tappets to be connected in series.Namely connect logger at the lower connector lower end screw thread of a horizontal wellbore logging tappet bottom, cable socket assembly is connected conducting with logger; Connect another root horizontal wellbore logging tappet in the upper end of horizontal wellbore logging tappet bottom, cable socket assembly is connected conducting with cable plug assembly; Going up most the upper connector threaded upper ends stube cable head of a horizontal wellbore logging tappet, cable head is connected conducting with the cable plug assembly going up most a horizontal wellbore logging tappet; Cable head top stube cable is to well head.Adopt cable to remove to test.
The beneficial effect of tappet: adopt tappet conveying to carry out horizontal wellbore logging cost low, by hollow pump, realize cable and remove, meanwhile, tappet rigidity, good toughness, high pressure resistant high temperature, built-in cable realizes instrument signal transmission, and structure is simple, easy to use.
Horizontal well tests dynamic lifting device, and be made up of production rig, self-sealing blowout preventer, oil pipe, on-off connector, connecting rod, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, oil pipe, through self-sealing blowout preventer, passes through 2 with on-off connector 7/ 8heavy wall tubing is threaded; On-off connector is by 2 7/ 8heavy wall tubing screw thread is connected with anti-apical organ; Anti-apical organ is by 2 7/ 8heavy wall tubing screw thread is connected with packer; Packer is by 2 7/ 8heavy wall tubing screw thread and horizontal well are tested hollow pump and are connected; Horizontal well test hollow pump is by 2 7/ 8heavy wall tubing screw thread is connected with oil pipe horn mouth; The length of connecting rod is 9.5m, external diameter 48.3mm, internal diameter 40mm, and its two ends are respectively with the pin thread of M48 × 2.5, and the hollow plunger testing hollow pump respectively with the male of on-off connector and horizontal well is connected; Horizontal well tests operating principle and the course of work of dynamic lifting device: in horizontal well test lifting, enter down oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ on request successively, under enter connecting rod and be connected with the plunger that horizontal well tests hollow pump, connecting rod is connected with oil manifold uncoupling machine male through oil manifold uncoupling machine female, then oil manifold uncoupling machine male is connected with mistake oil manifold uncoupling machine female.Oil manifold uncoupling machine male top connected pipes, until well head; At well head place, self-sealing blowout preventer is installed.
Enter after below horizontal well producing fluid level under horizontal well test hollow pump, set packer, transfer tubing string pressurization, the anti-apical organ of grappling, reversion oil pipe, oil manifold uncoupling machine male is separated with oil manifold uncoupling machine female, and ground working rig handling oil pipe can drive the plunger reciprocates of oil manifold uncoupling machine male and connecting rod and horizontal well test hollow pump, and the down-hole liquid of lifting discharges well head by oil sets annular space.Hollow plunger in oil pipe, connecting rod, horizontal well test hollow pump provides test channel for tester.
Horizontal well tests the beneficial effect of dynamic lifting device: lifting discharge opeing is reliable and stable, and test channel is smooth and easy.
Well head guiding device, forms primarily of casing coupling 1501, fixed pulley gripper shoe 1503 placed in the middle, fixed pulley 1504 placed in the middle, fixed pulley axis 1505, junction plate 1506, leading block 1507, leading block axle 1508, pivot pin 1509, leading block gripper shoe 1510, nut 1511, screw mandrel 1512 and bearing pin 1514 placed in the middle.It is characterized in that: casing coupling 1501 is cylindrical shape, the tubing coupling that casing coupling 1501 can be enclosed within well head during well logging is used for fixing guiding device.The outer wall of casing coupling 1501 is welded with two parallel fixed pulley gripper shoes 1503 rectangular placed in the middle, the centerline parallel of fixed pulley gripper shoe 1503 placed in the middle and casing coupling 1501; Be connected with a fixed pulley 1504 placed in the middle in the upper end of two fixed pulley gripper shoes 1503 placed in the middle by fixed pulley axis 1505 placed in the middle, fixed pulley 1504 placed in the middle is in the centre of two fixed pulley gripper shoes 1503 placed in the middle; A screw mandrel joint 1513 is connected with by bearing pin 1514 in the bottom of two fixed pulley gripper shoes 1503 placed in the middle, screw mandrel joint 1513 cross section is circular or square, pin shaft hole is had in one end of screw mandrel joint 1513, have pin hole in the bottom of two fixed pulley gripper shoes 1503 placed in the middle, bearing pin 1514 passes pin shaft hole and two fixed pulley gripper shoe 1503 pin holes placed in the middle of screw mandrel joint 1513; Screw mandrel joint 1513 can rotate along pivot pin 1514; Have center screw at the other end of screw mandrel joint 1513, screw mandrel joint 1513 other end center screw internal fixtion has screw mandrel 1512, and the center line of screw mandrel joint 1513 and the center line of screw mandrel 1512 are on same straight line; Screw mandrel 1512 there is nut 1511; Cover has a sliding sleeve in the bottom of nut 1511 and on screw mandrel 1512, sliding sleeve outer wall is symmetrically welded with two to ship and resell on another market, shipping and reselling on another market hole in the bottom of two leading block gripper shoes 1510, ships and resell on another market for two and insert the shipping and reselling on another market in hole of two leading block gripper shoe 1510 bottoms respectively.
Two leading block gripper shoes 1510 are rectangular flat board; There is pin hole the upper end of two leading block gripper shoes 1510 respectively, a leading block axle 1508 is had in the pin hole of two leading block gripper shoe 1510 upper ends, leading block axle 1508 is connected with leading block 1507, leading block 1507 is in the middle of two leading block gripper shoes 1510;
Pin hole is had at the middle part of two leading block gripper shoes 1510, pivot pin 1509 is had in pin hole in the middle part of two leading block gripper shoes 1510, pivot pin 1509 is through the pin hole of the pin hole in the middle part of two leading block gripper shoes 1510 and junction plate 1506 one end, and junction plate 1506 is connected to the middle part of two leading block gripper shoes 1510 by pivot pin 1509; Have pin shaft hole in the middle part of fixed pulley gripper shoe 1503 placed in the middle, be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe 1503 placed in the middle, the other end of junction plate 1506 is connected to the two ends of bearing pin.
The operating principle of well head guiding device and the course of work: consult Fig. 6.Before lower cable 1502, first casing coupling 1501 is enclosed within the tubing coupling of well head.Then cable 1502 is middle through two leading block gripper shoes 1510.Now nut 1511 is at the far-end of screw mandrel 1512.Consult Fig. 7.First leading block 1507 is unloaded, the hole slot that cable 1502 has through leading block gripper shoe 1510 one end, install leading block 1507 and rotary screw rod 1512, leading block 1507 is moved inward, after making to there is certain distance between cable 1502 and working rig travelling block, payout 1502 can be descended.When the lower cable 1502 of needs, rotating nut 1511, makes nut 1511 rotate to screw mandrel 1512 one end near screw mandrel joint 1513.Due to fixed pulley gripper shoe 1503 placed in the middle, junction plate 1506, between leading block gripper shoe 1510 and screw mandrel joint 1513, form a quadrangle, make leading block gripper shoe 1510 parallel with fixed pulley gripper shoe 1503 placed in the middle, leading block gripper shoe 1510 drives leading block 1507 away from the top of casing coupling above well head 1501.Now cable 1502 leaves above well head at the draught line of leading block 1507.After under operation, cable 1502 starts, cable 1502 can be avoided working rig travelling block and avoid cable 1502 and the friction of working rig travelling block, prevents cable 1502 from wearing and tearing.Then, cable 1502 enters in well head through the guiding of fixed pulley 1504 placed in the middle, make cable 1502 can not with wellhead casing pipe or oil pipe friction, decrease the wearing and tearing of cable.
Embodiment 6: for the lifting device of a horizontal well dynamic logging, the present invention is described in further detail.
This real invention horizontal well dynamic logging lifting device is primarily of production rig, self-sealing blowout preventer, oil pipe, SCT-62 type oil manifold uncoupling machine, connecting rod, the anti-apical organ of SCF-62 type oil pipe, Y211-114 type packer, the hollow test pump of SCB-40 type horizontal well, horn mouth composition; Oil pipe, through self-sealing blowout preventer, passes through 2 with SCT-62 type oil manifold uncoupling machine 7/ 8heavy wall tubing is threaded; SCT-62 type oil manifold uncoupling machine is by 2 7/ 8heavy wall tubing screw thread is connected with the anti-apical organ of SCF-62 type oil pipe; The central passage of the anti-apical organ of SCF-62 type oil pipe is 62 millimeters; The anti-apical organ of SCF-62 type oil pipe is by 2 7/ 8heavy wall tubing screw thread is connected with Y211-114 type packer; The central tube of Y211-114 type packer is 62 millimeters; Y211-114 type packer is by 2 7/ 8heavy wall tubing screw thread is connected with the hollow test pump of SCB-40 type horizontal well; The pump barrel of the hollow test pump of SCB-40 type horizontal well is a steel pipe, and length is 8 meters, and external diameter is 110 millimeters; SCB-40 type horizontal well hollow test pump plunger external diameter is 90 millimeters; The hollow test pump of SCB-40 type horizontal well is by 2 7/ 8heavy wall tubing screw thread is connected with oil pipe horn mouth; The length of connecting rod is 9.5 meters, external diameter 48.3 millimeters, internal diameter 40 millimeters, and its two ends, respectively with the pin thread of rice 48 × 2.5, are connected with the male of SCT-62 type oil manifold uncoupling machine and the hollow plunger of the hollow test pump of SCB-40 type horizontal well respectively.
Embodiment 7: horizontal well dynamic logging lifting method embodiment.
1) go into the well: connected pipes horn mouth, oil pipe, SCB-40 type horizontal well hollow test pump, Y211-114 type packer, the anti-apical organ of SCF-62 type oil pipe, SCT-62 type oil manifold uncoupling machine combine process pipe string, under lower going-into-well successively.
3) well head is installed: install self-sealing blowout preventer at well head, because self-sealing blowout preventer can select Multiple Type, and the method is routine techniques for underground work art, is not described in detail in this.
2) set.After entering lower 200 meters ~ 500 meters of producing fluid level under SCB-40 type horizontal well hollow test pump, upper lifting pipe post height 1.3 meters, slowly transfers tubing string, is pressurized to 6 ~ 8 tons, setting Y211-114 type packer; Continue slowly to transfer tubing string, be pressurized to 10 tons, the anti-apical organ of grappling SCF-62 type oil pipe.
3) disconnect: slowly upper lifting pipe post, controlling suspending weight is the above tubing weight of Y211-114 type packer, and reversion oil pipe 12 ~ 14 encloses, and tubing string is thrown off from SCT-62 type oil manifold uncoupling machine.
4) lifting: control pumping stroke 3 meters ~ 5 meters, jig frequency 2 ~ 3min -1.Pumping liquid millpond reclaims.
5) trip out: slowly transfer tubing string and pressurize 0.5 ton, rotate forward oil pipe 16 and enclose, slow upper lifting pipe post.Confirm that docking completes and after Y211-114 type removing seal for packer, trips out the various instrument in down-hole successively.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a logging technique rod tube post for horizontal well bar conveying dynamic logging, is characterized in that,
Horizontal well bar conveying dynamic logging technique rod tube post, is tested dynamic lifting device formed by horizontal well bar conveying dynamic logging process pipe string, horizontal well bar conveying dynamic logging technique roofbolt, horizontal well;
Horizontal well bar conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, tubular column structure is from bottom to top: oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, disjointed device are connected successively with oil pipe, and oil pipe receives well head always;
Horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizers, downhole instrument top connects flexible nipple, tappet, the length of needs received by tappet always, go up most a root elevator bar and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer;
Horizontal well tests dynamic lifting device, and be made up of production rig, self-sealing blowout preventer, oil pipe, on-off connector, connecting rod, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, oil pipe, through self-sealing blowout preventer, passes through 2 with on-off connector 7/ 8heavy wall tubing is threaded; On-off connector is by 2 7/ 8heavy wall tubing screw thread is connected with anti-apical organ; Anti-apical organ is by 2 7/ 8heavy wall tubing screw thread is connected with packer; Packer is by 2 7/ 8heavy wall tubing screw thread and horizontal well are tested hollow pump and are connected; Horizontal well test hollow pump is by 2 7/ 8heavy wall tubing screw thread is connected with oil pipe horn mouth; The length of connecting rod is 9.5m, external diameter 48.3mm, internal diameter 40mm, and its two ends are respectively with the pin thread of M48 × 2.5, and the hollow plunger testing hollow pump respectively with the male of on-off connector and horizontal well is connected.
2. the logging technique rod tube post of horizontal well bar conveying dynamic logging according to claim 1, is characterized in that,
Horizontal wellbore logging tappet, primarily of the thread protector (401) used in the body of rod, cable plug assembly (403), pressure cap (404), cable (405), cable socket assembly (407), back-up ring (409) and accumulating and helmet (410) composition;
The body of rod is welded together with tubular lower connector (408) by tubular body (406) and tubular upper connector (402), body (406), and the center line of body (406), upper connector (402) and lower connector (408) is on same straight line;
Upper connector (402) has centre bore, upper connector (402) centre bore is stepped central hole, there is internal thread in upper connector (402) upper end center hole, is fixed with the thread protector (401) used in accumulating at the threaded upper ends of upper connector (402); A cable plug assembly (403) is had in the centre bore of upper connector (402) middle part; Center, middle part hole wall has axial groove, and plug stop pin (40304) one end of cable plug assembly (403) is in axial groove; In the middle of upper connector (402), there is internal thread the upper end of centre bore, pressure cap (404) external screw thread of annular is fixed on centre bore upper end in the middle of connector (402), and cable plug assembly (403) is fixed in the middle centre bore of upper connector (40402) by pressure cap (404); Cable plug assembly (403), through upper connector (402) lower center hole, body (406) centre bore and lower connector (408) centre bore, is connected with cable socket assembly (407) by cable (405);
Lower connector (408) has centre bore, and lower connector (408) centre bore is stepped central hole, has a cable socket assembly (407) in lower connector (408) lower center hole; Lower connector (408) lower center hole wall has axial groove, and socket stop pin (40701) one end of cable socket assembly (407) is in axial groove; Lower connector (408) lower center hole inwall has cannelure, the back-up ring (409) of annular is stuck in the inwall cannelure of lower connector (408) lower center hole, and cable socket assembly (407) is fixed in lower connector (408) lower center hole by back-up ring (409); Have external screw thread in lower connector (408) lower end, helmet (410) screw thread used in accumulating is fixed on the lower end of lower connector (408);
The wall of lower connector (408) external thread section there is seal groove, in seal groove, has O sealing ring; The wall of upper connector (402) internal thread segment there is sealing surface; Between horizontal wellbore logging tappet and when being connected between tappet with instrument tool, realize upper connector (402) and lower connector (408) by screw thread and O sealing ring and to be connected with link and to seal;
The outer wall of upper connector (402) there is annular groove, when removing well operations as tappet scene, the use of the bayonet socket of the rod elevator of lifting tappet;
Described cable plug assembly (403) is made up of holding screw (40301), plug insulation sleeve (40302), plug conducting ring (40303), plug stop pin (40304) and plug body (40305);
Plug body (40305) profile is notch cuttype cylinder, has centre bore, and there is internal thread the upper end of centre bore, is connected and fixed with the external screw thread of holding screw (40301) lower end; Plug body (40305) lower end cylinder cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of plug stop pin (40304) lower end; 2 plug conducting rings (40303) and plug insulation sleeve (40302) are cylindrical toroidal, are fixed on plug body (40305) cylinder cylindrical stage casing successively; 2 plug conducting rings (40303) are connected to wire respectively, are connected with 2 plug conductive rings (40702) of cable socket assembly (407) by two-core cable (405).
3. the logging technique rod tube post of horizontal well bar conveying dynamic logging according to claim 2, is characterized in that,
Described cable socket assembly (407) is made up of socket stop pin (40701), plug conductive ring (40702), socket dead ring (40703), socket main body (40704), sealing and dustproof circle (40705) and socket pressure cap (40706);
Socket main body (40704) profile is cylinder, and inside have notch cuttype centre bore, there is internal thread lower end; Socket main body (40704) cylinder upper end cylindrical there is internal thread with axes normal, is connected and fixed with the external screw thread of socket stop pin (40701) lower end; 2 plug conductive rings (40702) are cylindrical toroidal for circular, socket dead ring (40703), are fixed in the endoporus in plug body (40305) cylinder stage casing successively; 2 plug conductive rings (40702) are connected to wire respectively, are connected with 2 plug conducting rings (40303) of cable plug assembly (403) by two-core cable (405); Socket pressure cap (40706) endoporus has cannelure, and sealing and dustproof circle (40705) is just contained in cannelure; There is external screw thread socket pressure cap (40706) cylindrical upper end, is connected and fixed with socket main body (40704) lower end internal thread.
4. the logging technique rod tube post of horizontal well bar conveying dynamic logging according to claim 1, is characterized in that,
Well head guiding device, primarily of casing coupling (1501), fixed pulley gripper shoe (1503) placed in the middle, fixed pulley (1504) placed in the middle, fixed pulley axis (1505), junction plate (1506), leading block (1507), leading block axle (1508), pivot pin (1509), leading block gripper shoe (1510), nut (1511), screw mandrel (1512) and bearing pin (1514) composition placed in the middle; Casing coupling (1501) is cylindrical shape, the outer wall of casing coupling (1501) is welded with two parallel fixed pulley gripper shoes (1503) rectangular placed in the middle, the centerline parallel of fixed pulley gripper shoe (1503) placed in the middle and casing coupling (1501); Be connected with a fixed pulley placed in the middle (1504) in the upper end of two fixed pulley gripper shoes (1503) placed in the middle by fixed pulley axis placed in the middle (1505), fixed pulley placed in the middle (1504) is in the centre of two fixed pulley gripper shoes (1503) placed in the middle; A screw mandrel joint (1513) is connected with by bearing pin (1514) in the bottom of two fixed pulley gripper shoes (1503) placed in the middle, screw mandrel joint (1513) cross section is circular or square, pin shaft hole is had in one end of screw mandrel joint (1513), have pin hole in the bottom of two fixed pulley gripper shoes (1503) placed in the middle, bearing pin (1514) is through the pin shaft hole of screw mandrel joint (1513) and two fixed pulley gripper shoe (1503) pin holes placed in the middle; Center screw is had at the other end of screw mandrel joint (15015), screw mandrel joint (1513) other end center screw internal fixtion has screw mandrel (1512), and the center line of screw mandrel joint (1513) and the center line of screw mandrel (1512) are on same straight line; Screw mandrel (15012) there is nut (15011); A sliding sleeve is had at the upper cover of screw mandrel (1512) in the bottom of nut (15011), sliding sleeve outer wall is symmetrically welded with two to ship and resell on another market, ship and resell on another market hole in the bottom of two leading block gripper shoes (1510), two ship and resell on another market insert two leading block gripper shoe (1510) bottoms respectively ship and resell on another market in hole;
Two leading block gripper shoes (1510) are rectangular flat board; There is pin hole the upper end of two leading block gripper shoes (1510) respectively, a leading block axle (1508) is had in the pin hole of two leading block gripper shoe (1510) upper ends, leading block axle (1508) is connected with leading block (1507), leading block (1507) is in the middle of two leading block gripper shoes (1510).
5. the logging technique rod tube post of horizontal well bar conveying dynamic logging according to claim 4, is characterized in that,
Pin hole is had at the middle part of two leading block gripper shoes (1510), pivot pin (1509) is had in the pin hole at two leading block gripper shoe (1510) middle parts, the pin hole of pivot pin (1509) through two leading block gripper shoe (1510) middle parts and the pin hole of junction plate (1506) one end, junction plate (1506) is connected to the middle part of two leading block gripper shoes (1510) by pivot pin (1509); There is pin shaft hole at fixed pulley gripper shoe (1503) middle part placed in the middle, and be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe (1503) placed in the middle, the other end of junction plate (1506) is connected to the two ends of bearing pin.
6. a horizontal well bar conveying dynamic logging method, it is characterized in that, the method is applied to the logging technique rod tube post of the horizontal well bar conveying dynamic logging according to any one of claim 1 to 5, and described horizontal well bar conveying dynamic logging method comprises the following steps:
First, former well casing post is tripped out, drifting, well-flushing;
Secondly, to enter in sleeve pipe under horizontal well bar conveying dynamic logging process pipe string, be from bottom to top: the test of oil pipe horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, disjointed device, oil pipe, oil pipe receives well head always, the anti-apical organ of base sealed packer grappling, tubing string is thrown off from on-off connector;
3rd, under enter horizontal well bar conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, tappet, and the length of needs received by tappet always, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer;
4th, well head guiding device is installed;
5th, cable is connected with cable head;
6th, pumping discharge opeing;
7th, adopt cable to remove and test;
Finally, cable, tappet, logger is tripped out.
7. horizontal well bar conveying dynamic logging method according to claim 6, is characterized in that, horizontal wellbore logging tappet onsite application method:
When carrying out logging operation, horizontal wellbore logging tappet under next root elevator bar connector connect logger, upper connector connects this device, needs many capable of being combined according to well logging, and go up a upper connector most and be connected with cable head, employing cable removes to be tested.
8. horizontal well bar conveying dynamic logging method according to claim 7, is characterized in that,
When carrying out logging operation, the needs according to well logging can adopt many horizontal wellbore logging tappets to be connected in series.Namely connect logger at the lower connector lower end screw thread of a horizontal wellbore logging tappet bottom, cable socket assembly is connected conducting with logger; Connect another root horizontal wellbore logging tappet in the upper end of horizontal wellbore logging tappet bottom, cable socket assembly is connected conducting with cable plug assembly; Going up most the upper connector threaded upper ends stube cable head of a horizontal wellbore logging tappet, cable head is connected conducting with the cable plug assembly going up most a horizontal wellbore logging tappet; Cable head top stube cable, to well head, adopts cable to remove and tests.
9. horizontal well bar conveying dynamic logging method according to claim 6, it is characterized in that, well head guiding device uses and comprises the following steps:
The leading block of well head guiding device is unloaded, the hole slot that cable has through leading block gripper shoe one end, installs leading block and rotary screw rod, leading block is moved inward, after making to there is certain distance between cable and working rig travelling block, payout can be descended; When the lower cable of needs, rotating nut, makes nut rotate to screw mandrel one end near screw mandrel joint; Due to fixed pulley gripper shoe placed in the middle, junction plate, between leading block gripper shoe and screw mandrel joint, form a quadrangle, make leading block gripper shoe parallel with fixed pulley gripper shoe placed in the middle, leading block gripper shoe drives leading block away from the top of casing coupling above well head; Now cable leaves above well head at the draught line of leading block; After under operation, cable starts, cable can avoid the friction that working rig travelling block avoids cable and working rig travelling block, prevents cable from wearing and tearing; Then, cable enters in well head through the guiding of fixed pulley placed in the middle, make cable can not with wellhead casing pipe or oil pipe friction, decrease the wearing and tearing of cable.
CN201510228261.3A 2014-05-14 2015-05-06 Horizontal well bar conveys dynamic logging method and device Active CN105089631B (en)

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