CN105134165A - Method for dynamic logging with conveying by horizontal well tractor - Google Patents
Method for dynamic logging with conveying by horizontal well tractor Download PDFInfo
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- CN105134165A CN105134165A CN201510227878.3A CN201510227878A CN105134165A CN 105134165 A CN105134165 A CN 105134165A CN 201510227878 A CN201510227878 A CN 201510227878A CN 105134165 A CN105134165 A CN 105134165A
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- horizontal well
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Abstract
The invention provides a method for dynamic logging with conveying by a horizontal well tractor, and belongs to the technical field of horizontal well logging in an oil field. The method includes pulling out an original tubing string, pigging and well washing. A process tubing string for dynamic logging with horizontal well tractor conveying is placed in a sleeve. From bottom to top, a bell mouth, an oil pipe, a horizontal well testing hollow pump, a packer, a jacking-preventing device, an uncoupling device and an oil pipe are sequentially connected, the oil pipe is connected to a well head, the packer is packed, the jacking-preventing device is anchored, and the tubing string is disconnected from the uncoupling device. The process rod string is placed. The upper portion of an underground instrument is connected with a flexible short section and a cable head, the lower portion of the underground instrument is connected with a tractor, and two ends of the underground instrument are connected with a stabilizer of the underground instrument. A well head guider is installed, a cable is connected with the cable head, and liquid is discharged. Tripping with the cable is employed. When underground instrument can not advance by gravity, the tractor is started to reach the lowest measuring point. The instrument is lifted for testing, and the cable, the logging instrument and the tractor are pulled out.
Description
Technical field
The present invention relates to horizontal well tractor conveying dynamic logging method, belong to oilfield horizontal well logging technique field.
Background technology
Production Logging in Horizontal Wells generally adopts three kinds of modes such as oil pipe (coiled tubing) conveying, 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.
Chinese patent literature " horizontal well gas lift method producing profile testing process adopted by machine " (publication number: CN101403292A, publication date: on April 8th, 2009), adopt the gaslift mode of production, tester is driven, " mainly solving the problem that existing horizontal well cannot carry out producing profile testing under normal production status " with tractor.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: March 4 in 2009), conventional pumping instrument (wire rope swab) is adopted 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
In order to overcome the deficiencies in the prior art, the invention provides horizontal well tractor conveying dynamic logging method.
The present invention adopts horizontal well to test hollow pump lifting and produces, and tractor crosses the conveying of pump instrument, realizes horizontal well tractor conveying dynamic logging.
The invention provides a kind of horizontal well tractor conveying dynamic logging process pipe string, ensure the realization of horizontal well tractor conveying dynamic logging method.
The invention provides a kind of cable wellhead guiding device, for horizontal well 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 tractor conveying dynamic logging method.
First, former well casing post is tripped out, drifting, well-flushing.
Secondly, to enter in sleeve pipe under horizontal well tractor conveying dynamic logging process pipe string: connect successively: the test of horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, on-off connector and oil pipe from bottom to top, oil pipe receives well head always, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector.
3rd, under enter horizontal well tractor conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, cable head, and downhole instrument bottom connects tractor, and 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, discharge opeing.
7th, adopt cable to remove and test; When downhole instrument relies on gravity not advance, start tractor, arrive the most next measuring point, above carry instrument and test.
Finally, cable, logger, tractor is tripped out.
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 technique rod tube post of horizontal well tractor conveying dynamic logging.
Horizontal well tractor conveying dynamic logging technique rod tube post, carries dynamic logging process pipe string, horizontal well tractor conveying dynamic logging technique roofbolt by horizontal well tractor, horizontal well tests dynamic lifting device and well head guiding device forms.
Horizontal well tractor conveying dynamic logging process pipe string, primarily of oil pipe, on-off connector, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, tubular column structure is from bottom to top: horn mouth+oil pipe+horizontal well test hollow pump+packer+anti-apical organ+on-off connector+oil pipe, oil pipe receives well head always.
Horizontal well tractor conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, flexible nipple, downhole instrument centralizer, tractors, downhole instrument top connects flexible nipple, cable head, and downhole instrument bottom connects tractor, and 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
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8heavy wall tubing is threaded; On-off connector is by 2
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8heavy wall tubing screw thread is connected with anti-apical organ; Anti-apical organ is by 2
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8heavy wall tubing screw thread is connected with packer; Packer is by 2
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8heavy wall tubing screw thread and horizontal well are tested hollow pump and are connected; Horizontal well test hollow pump is by 2
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8heavy wall tubing screw thread is connected with 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.
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.It is characterized in that: casing coupling is cylindrical shape, the tubing coupling that casing coupling can be enclosed within well head during well logging is used for fixing guiding device.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 shaft 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 shaft holes placed in the middle of screw mandrel joint; Screw mandrel joint can rotate along pivot pin; 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, 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 bottoms respectively.
Two leading block gripper shoes are rectangular flat board; There is pin shaft hole the upper end of two leading block gripper shoes respectively, and in the pin shaft 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.
Pin shaft hole is had at the middle part of two leading block gripper shoes, pivot pin is had in pin shaft hole in the middle part of two leading block gripper shoes, pivot pin is through the pin shaft hole of the pin shaft 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.
A logging technique rod tube post for horizontal well tractor conveying dynamic logging, comprising: horizontal well tractor conveying dynamic logging process pipe string, horizontal well tractor conveying dynamic logging technique roofbolt, horizontal well test dynamic lifting device and well head guiding device.Horizontal well tractor conveying dynamic logging technique roofbolt, comprises tractor, cable head, downhole instrument and flexible nipple, and tractor is positioned at front side, after be connected with downhole instrument, flexible nipple and cable head successively; Horizontal well tractor conveying dynamic logging process pipe string, comprise: oil pipe, on-off connector, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, connect successively from bottom to top: the test of horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, on-off connector and oil pipe, oil pipe receives well head always; Cable carries dynamic logging technique roofbolt to be connected through horizontal well tractor conveying dynamic logging process pipe string with horizontal well tractor, horizontal well tests dynamic lifting device, comprise: production rig and self-sealing blowout preventer, production rig is positioned at outside well head, self-sealing blowout preventer is for mouth of shunting in a well, and oil pipe is through self-sealing blowout preventer; Well head guiding device, for deriving cable, avoids cable to damage due to friction.
Further, horizontal well tractor conveying dynamic logging technique roofbolt also comprises: downhole instrument centralizer, downhole instrument top connects flexible nipple and cable head, and downhole instrument bottom connects tractor, and downhole instrument two ends are connected to downhole instrument centralizer respectively.
Further, horizontal well is tested dynamic lifting device and is also comprised on-off connector, connecting rod, anti-apical organ, packer and horizontal well test hollow pump, passes through 2 with on-off connector
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8heavy wall tubing is threaded; On-off connector is by 2
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8heavy wall tubing screw thread is connected with anti-apical organ; Anti-apical organ is by 2
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8heavy wall tubing screw thread is connected with packer; Packer is by 2
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8heavy wall tubing screw thread and horizontal well are tested hollow pump and are connected; Horizontal well test hollow pump is by 2
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8heavy wall tubing screw thread is connected with 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, 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 shaft 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 shaft 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 shaft hole the upper end of two leading block gripper shoes respectively, and in the pin shaft 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;
Pin shaft hole is had at the middle part of two leading block gripper shoes, pivot pin is had in pin shaft hole in the middle part of two leading block gripper shoes, pivot pin is through the pin shaft hole of the pin shaft 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.
Operating principle of the present invention and the course of work: consult Fig. 1.When carrying out logging operation, first enter down horizontal well tractor conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, then under enter horizontal well tractor conveying dynamic logging technique roofbolt, cable is connected with cable head, well head guiding device is installed, discharge opeing, adopts cable to remove, when downhole instrument relies on gravity not advance, start tractor, arrive the most next measuring point, above carry instrument and test.
Beneficial effect of the present invention: adopt horizontal well tractor conveying dynamic logging method, carry out horizontal wellbore logging, realize dynamic logging, easy to use.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, illustrative examples of the present invention and explanation, for explaining the present invention, do not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is that horizontal well of the present invention tests dynamic lifting device schematic diagram;
Fig. 3 is well head guiding device structural representation of the present invention;
Fig. 4 is well head guiding device working state schematic representation of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
Detailed description of the invention
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of horizontal well tractor conveying dynamic logging technique rod tube post,
As shown in Figure 1, the first downhole instrument centralizer 1, second downhole instrument centralizer 18, downhole instrument 2, flexible nipple 3, cable head 4, horn mouth 5, oil pipe 6, horizontal well is had to test hollow pump 7, packer 8, anti-apical organ 9, on-off connector 10 in well head splicing sleeve 11; Horizontal well tractor conveying dynamic logging process pipe string, tubular column structure is from bottom to top: horn mouth 5 connected pipes 6, the other end of oil pipe 6 connects horizontal well test hollow pump 7, the other end of horizontal well test hollow pump 7 connects packer 8, the other end of packer 8 connects anti-apical organ 9, and the other end of anti-apical organ 9 connects on-off connector 10, the other end connected pipes 6 of on-off connector 10, oil pipe 6 receives well head always, well head splicing sleeve 11; Tractor 15 connects the other end connecting downhole instrument 2 of the first downhole instrument centralizer 1, first downhole instrument centralizer 1, and the other end of downhole instrument 2 connects the other end connection flexible nipple 3 of the second downhole instrument centralizer 18, second downhole instrument centralizer 18; The other end stube cable head 4 of flexible nipple 3; The other end stube cable 19 of cable head 4.
Wellhead equipment connects lower sheave 12, well head guiding device 13 and top sheave 17.
As shown in Figure 2, a kind of horizontal well tractor conveying dynamic logging process pipe string, has horn mouth 5, oil pipe 6, packer 8, anti-apical organ 9, on-off connector 10, connecting rod 20 and horizontal well to test hollow pump 7 in well head splicing sleeve 11.
Horn mouth 5 connected pipes 6, oil pipe 6 connects horizontal well test hollow pump 7, the other end of horizontal well test hollow pump 7 connects packer 8, the other end of packer 8 connects anti-apical organ 9, the other end of anti-apical organ 9 connects connecting rod 20, the other end of connecting rod 20 connects on-off connector 10, the other end connected pipes 6 of on-off connector 10, and the other end of oil pipe 6 connects self-sealing blowout preventer 14.
Well head splicing sleeve 11 connects self-sealing blowout preventer 14, and self-sealing blowout preventer 14 connects production rig 16.
Embodiment 2: as shown in Figure 1 and Figure 2, a kind of horizontal well tractor conveying dynamic logging process pipe string,
Horizontal well tractor conveying dynamic logging technique rod tube post, carries dynamic logging process pipe string, horizontal well tractor to carry dynamic logging technique roofbolt to form by horizontal well tractor.
Horizontal well tractor conveying dynamic logging process pipe string, primarily of oil pipe, on-off connector, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, tubular column structure is from bottom to top: 2
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8in horn mouth, 2
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8the test of in oil pipe, horizontal well hollow pump, Y211-114 packer, anti-apical organ, on-off connector, 2
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8in oil pipe connects successively, and 2
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8in oil pipe receives well head always.
Horizontal well tractor conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, flexible nipple, downhole instrument centralizer, tractors, downhole instrument top connects flexible nipple, cable head, and downhole instrument bottom connects tractor, and downhole instrument two ends are connected to downhole instrument centralizer.
Embodiment 3: consult Fig. 1.When carrying out logging operation, first enter down horizontal well tractor 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.
Under enter horizontal well tractor conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, cable head, and downhole instrument bottom connects tractor, and downhole instrument two ends are connected to downhole instrument centralizer;
Well head guiding device is installed.
Cable is connected with cable head.
Discharge opeing: control stroke≤4.5m, jig frequency 2 ~ 3min
-1, discharge liquid millpond and reclaim, after lifting rate meets the demands, start test.
Adopt cable to remove to test: when downhole instrument relies on gravity not advance, start tractor, arrive the most next measuring point, above carry instrument and test.
Finally, cable, logger, tractor is tripped out.
Embodiment 4:
Consult Fig. 3.A kind of horizontal well tractor conveying dynamic logging process pipe string, primarily of production rig, self-sealing blowout preventer, oil pipe, SCT-62 type on-off connector, connecting rod, the anti-apical organ of SCF-62 type, Y211-114 type packer, SCB-40 type horizontal well test hollow pump, horn mouth composition; Oil pipe, through self-sealing blowout preventer, passes through 2 with SCT-62 type on-off connector
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8heavy wall tubing is threaded; SCT-62 type on-off connector is by 2
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8heavy wall tubing screw thread is connected with the anti-apical organ of SCF-62 type; The anti-apical organ of SCF-62 type is by 2
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8heavy wall tubing screw thread is connected with Y211-114 type packer; Y211-114 type packer is by 2
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8heavy wall tubing screw thread is tested hollow pump with SCB-40 type horizontal well and is connected; SCB-40 type horizontal well test hollow pump is by 2
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8heavy wall tubing screw thread is connected with 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 SCT-62 type on-off connector and SCB-40 type horizontal well is connected.
Embodiment 5: for a well head guiding device, the present invention is described in further detail.
Consult Fig. 3.Cable wellhead guiding device of the present invention, forms primarily of casing coupling 1301, fixed pulley gripper shoe 1303 placed in the middle, fixed pulley 1304 placed in the middle, fixed pulley axis 1305, junction plate 1306, leading block 1307, leading block axle 1308, pivot pin 1309, leading block gripper shoe 1310, nut 1311, screw mandrel 1312 and bearing pin 1314 placed in the middle.
Casing coupling 1301 is cylindrical shape, and the outer wall of casing coupling 1301 is welded with two parallel fixed pulley gripper shoes 1303 rectangular placed in the middle, and the length of fixed pulley gripper shoe 1303 placed in the middle is 400mm, width 70mm.The centerline parallel of fixed pulley gripper shoe 1303 placed in the middle and casing coupling 1301.Be connected with a fixed pulley 1304 placed in the middle in the upper end of two fixed pulley gripper shoes 1303 placed in the middle by fixed pulley axis 1305 placed in the middle, fixed pulley 1304 placed in the middle is in the centre of two fixed pulley gripper shoes 1303 placed in the middle.The diameter of fixed pulley 1304 placed in the middle is 150mm.A screw mandrel joint 1313 is connected with by bearing pin 1314 in the bottom of two fixed pulley gripper shoes 3 placed in the middle, screw mandrel joint 1313 cross section is square, the pin shaft hole of a transverse direction is had in one end of screw mandrel joint 1313, have pin shaft hole in the bottom of two fixed pulley gripper shoes 1303 placed in the middle, bearing pin 1314 passes pin shaft hole and two fixed pulley gripper shoe 1303 pin shaft holes placed in the middle of screw mandrel joint 1313.Have center screw at the other end of screw mandrel joint 1313, screw mandrel joint 1313 other end center screw internal fixtion has the screw mandrel 1312 of a M20, and the center line of screw mandrel joint 1313 and the center line of screw mandrel 1312 are on same straight line.Screw mandrel 1312 there is the nut 1311 of a M20.Cover has a sliding sleeve in the bottom of nut 1311 and on screw mandrel 1312, sliding sleeve outer wall is symmetrically welded with two to ship and resell on another market, the bottom of two leading block gripper shoes 1310 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 1310 bottoms respectively.
Two leading block gripper shoes 1310 are rectangular flat board, and the length of leading block gripper shoe 1310 is 1000mm, width 100mm.There is pin shaft hole the upper end of two leading block gripper shoes 1310 respectively, a leading block axle 1308 is had in the pin shaft hole of two leading block gripper shoe 1310 upper ends, leading block axle 1308 is connected with leading block 1307, leading block 1307 is in the middle of two leading block gripper shoes 1310.Have pin shaft hole at the middle part of two leading block gripper shoes 1310, the pin shaft hole at the middle part of leading block gripper shoe 1310 to leading block gripper shoe 1310 upper end pin shaft hole between distance be 450mm.Pivot pin 1309 is had in pin shaft hole in the middle part of two leading block gripper shoes 1310, pivot pin 1309 is through the pin shaft hole of the pin shaft hole in the middle part of two leading block gripper shoes 1310 and junction plate 1306 one end, and junction plate 1306 is connected to the middle part of two leading block gripper shoes 1310 by pivot pin 1309.
Have pin shaft hole in the middle part of fixed pulley gripper shoe 1303 placed in the middle, be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe 1303 placed in the middle, the other end of junction plate 1306 is connected to the two ends of bearing pin.The length of junction plate 1306 is 350mm.
Embodiment 6:
A technique rod tube post for horizontal well tractor conveying dynamic logging,
Horizontal well tractor conveying dynamic logging technique rod tube post, carries dynamic logging process pipe string, horizontal well tractor conveying dynamic logging technique roofbolt by horizontal well tractor, horizontal well tests dynamic lifting device and well head guiding device forms.
Horizontal well tractor conveying dynamic logging process pipe string, primarily of oil pipe, on-off connector, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, tubular column structure is from bottom to top: horn mouth+oil pipe+horizontal well test hollow pump+packer+anti-apical organ+on-off connector+oil pipe, oil pipe receives well head always.
Horizontal well tractor conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, flexible nipple, downhole instrument centralizer, tractors, downhole instrument top connects flexible nipple, cable head, and downhole instrument bottom connects tractor, and 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 tractor conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, discharge opeing, then under enter horizontal well tractor conveying dynamic logging technique roofbolt, cable is connected with cable head, employing cable removes, and when downhole instrument relies on gravity not advance, starts tractor, arrive the most next measuring point, above carry instrument and test.
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
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8heavy wall tubing is threaded; On-off connector is by 2
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8heavy wall tubing screw thread is connected with anti-apical organ; Anti-apical organ is by 2
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8heavy wall tubing screw thread is connected with packer; Packer is by 2
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8heavy wall tubing screw thread and horizontal well are tested hollow pump and are connected; Horizontal well test hollow pump is by 2
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8heavy wall tubing screw thread is connected with 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.
Well head guiding device, forms primarily of casing coupling 1301, fixed pulley gripper shoe 1303 placed in the middle, fixed pulley 1304 placed in the middle, fixed pulley axis 1305, junction plate 1306, leading block 1307, leading block axle 1308, pivot pin 1309, leading block gripper shoe 1310, nut 1311, screw mandrel 1312 and bearing pin 1314 placed in the middle.It is characterized in that: casing coupling 1301 is cylindrical shape, the tubing coupling that casing coupling 1301 can be enclosed within well head during well logging is used for fixing guiding device.The outer wall of casing coupling 1301 is welded with two parallel fixed pulley gripper shoes 1303 rectangular placed in the middle, the centerline parallel of fixed pulley gripper shoe 1303 placed in the middle and casing coupling 1301; Be connected with a fixed pulley 1304 placed in the middle in the upper end of two fixed pulley gripper shoes 1303 placed in the middle by fixed pulley axis 1305 placed in the middle, fixed pulley 1304 placed in the middle is in the centre of two fixed pulley gripper shoes 1303 placed in the middle; A screw mandrel joint 1313 is connected with by bearing pin 1314 in the bottom of two fixed pulley gripper shoes 1303 placed in the middle, screw mandrel joint 1313 cross section is circular or square, pin shaft hole is had in one end of screw mandrel joint 1313, have pin shaft hole in the bottom of two fixed pulley gripper shoes 1303 placed in the middle, bearing pin 1314 passes pin shaft hole and two fixed pulley gripper shoe 1303 pin shaft holes placed in the middle of screw mandrel joint 1313; Screw mandrel joint 1313 can rotate along pivot pin 1314; Have center screw at the other end of screw mandrel joint 1313, screw mandrel joint 1313 other end center screw internal fixtion has screw mandrel 1312, and the center line of screw mandrel joint 1313 and the center line of screw mandrel 1312 are on same straight line; Screw mandrel 1312 there is nut 1311; Cover has a sliding sleeve in the bottom of nut 1311 and on screw mandrel 1312, 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 1310, 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 1310 bottoms respectively.
Two leading block gripper shoes 1310 are rectangular flat board; There is pin shaft hole the upper end of two leading block gripper shoes 1310 respectively, a leading block axle 1308 is had in the pin shaft hole of two leading block gripper shoe 1310 upper ends, leading block axle 1308 is connected with leading block 1307, leading block 1307 is in the middle of two leading block gripper shoes 1310.
Pin shaft hole is had at the middle part of two leading block gripper shoes 1310, pivot pin 1309 is had in pin shaft hole in the middle part of two leading block gripper shoes 1310, pivot pin 1309 is through the pin shaft hole of the pin shaft hole in the middle part of two leading block gripper shoes 1310 and junction plate 1306 one end, and junction plate 1306 is connected to the middle part of two leading block gripper shoes 1310 by pivot pin 1309; Have pin shaft hole in the middle part of fixed pulley gripper shoe 1303 placed in the middle, be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe 1303 placed in the middle, the other end of junction plate 1306 is connected to the two ends of bearing pin.
The operating principle of well head guiding device and the course of work: consult Fig. 4.Before lower cable 1302, first casing coupling 1301 is enclosed within the tubing coupling of well head.Then cable 1302 is middle through two leading block gripper shoes 1310.Now nut 1311 is at the far-end of screw mandrel 1312.First leading block 1307 is unloaded, the hole slot that cable 1302 has through leading block gripper shoe 1310 one end, install leading block 1307 and rotary screw rod 1312, leading block 1307 is moved inward, after making to there is certain distance between cable 1302 and working rig travelling block, payout 1302 can be descended.When the lower cable 1302 of needs, rotating nut 1311, makes nut 1311 rotate to screw mandrel 1312 one end near screw mandrel joint 1313.Due to fixed pulley gripper shoe 1303 placed in the middle, junction plate 1306, between leading block gripper shoe 1310 and screw mandrel joint 1313, form a quadrangle, make leading block gripper shoe 1310 parallel with fixed pulley gripper shoe 1303 placed in the middle, leading block gripper shoe 1310 drives leading block 1307 away from the top of casing coupling above well head 1301.Now cable 1302 leaves above well head at the draught line of leading block 1307.After under operation, cable 1302 starts, cable 1302 can be avoided working rig travelling block and avoid cable 1302 and the friction of working rig travelling block, prevents cable 1302 from wearing and tearing.Then, cable 1302 enters in well head through the guiding of fixed pulley 1304 placed in the middle, make cable 1302 can not with wellhead casing pipe or oil pipe friction, decrease the wearing and tearing of cable.
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 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 horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ 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.
Embodiment 7: 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, 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; The central passage of the anti-apical organ of SCF-62 type is 62 millimeters; The anti-apical organ of SCF-62 type 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 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 8:
Horizontal well dynamic logging lifting method embodiment.
1) go into the well: connect horn mouth successively, oil pipe, SCB-40 type horizontal well hollow test pump, Y211-114 type packer, the anti-apical organ of SCF-62 type, SCT-62 type oil manifold uncoupling machine combine process pipe string, under lower going-into-well.
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.
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 stroke 3 meters ~ 5 meters, jig frequency 2 ~ 3min
-1.Discharge liquid millpond to reclaim.
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.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (7)
1. a logging technique rod tube post for horizontal well tractor conveying dynamic logging, is characterized in that:
Horizontal well tractor conveying dynamic logging technique rod tube post, carries dynamic logging process pipe string, horizontal well tractor conveying dynamic logging technique roofbolt by horizontal well tractor, horizontal well tests dynamic lifting device and well head guiding device forms;
Horizontal well tractor conveying dynamic logging process pipe string, primarily of oil pipe, on-off connector, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, connect successively from bottom to top: the test of horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, on-off connector and oil pipe, oil pipe receives well head always;
Horizontal well tractor conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, flexible nipple, downhole instrument centralizer, tractors, downhole instrument top connects flexible nipple, cable head, and downhole instrument bottom connects tractor, and 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 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;
In well head guiding device, primarily of casing coupling (1301), fixed pulley gripper shoe (1303) placed in the middle, fixed pulley (1304) placed in the middle, fixed pulley axis (1305), junction plate (1306), leading block (1307), leading block axle (1308), pivot pin (1309), leading block gripper shoe (1310), nut (1311), screw mandrel (1312) and bearing pin (1314) composition placed in the middle; Casing coupling (1301) is cylindrical shape, the outer wall of casing coupling (1301) is welded with two parallel fixed pulley gripper shoes (1303) rectangular placed in the middle, the centerline parallel of fixed pulley gripper shoe (1303) placed in the middle and casing coupling (1301); Be connected with a fixed pulley placed in the middle (1304) in the upper end of two fixed pulley gripper shoes (1303) placed in the middle by fixed pulley axis placed in the middle (1305), fixed pulley placed in the middle (1304) is in the centre of two fixed pulley gripper shoes (1303) placed in the middle; A screw mandrel joint (1313) is connected with by bearing pin (1314) in the bottom of two fixed pulley gripper shoes (1303) placed in the middle, screw mandrel joint (1313) cross section is circular or square, pin shaft hole is had in one end of screw mandrel joint (1313), have pin shaft hole in the bottom of two fixed pulley gripper shoes (1303) placed in the middle, bearing pin (1314) is through the pin shaft hole of screw mandrel joint (1313) and two fixed pulley gripper shoe (1303) pin shaft holes placed in the middle; Center screw is had at the other end of screw mandrel joint (13013), screw mandrel joint (1313) other end center screw internal fixtion has screw mandrel (1312), and the center line of screw mandrel joint (1313) and the center line of screw mandrel (1312) are on same straight line; Screw mandrel (13012) there is nut (13011); A sliding sleeve is had at the upper cover of screw mandrel (1312) in the bottom of nut (13011), 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 (1310), two ship and resell on another market insert two leading block gripper shoe (1310) bottoms respectively ship and resell on another market in hole;
Two leading block gripper shoes (1310) are rectangular flat board; There is pin shaft hole the upper end of two leading block gripper shoes (1310) respectively, a leading block axle (1308) is had in the pin shaft hole of two leading block gripper shoe (1310) upper ends, leading block axle (1308) is connected with leading block (1307), leading block (1307) is in the middle of two leading block gripper shoes (1310);
Pin shaft hole is had at the middle part of two leading block gripper shoes (1310), pivot pin (1309) is had in the pin shaft hole at two leading block gripper shoe (1310) middle parts, the pin shaft hole of pivot pin (1309) through two leading block gripper shoe (1310) middle parts and the pin shaft hole of junction plate (1306) one end, junction plate (1306) is connected to the middle part of two leading block gripper shoes (1310) by pivot pin (1309); There is pin shaft hole at fixed pulley gripper shoe (1303) middle part placed in the middle, and be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe (1303) placed in the middle, the other end of junction plate (1306) is connected to the two ends of bearing pin.
2. the horizontal well tractor conveying dynamic logging method of the technique rod tube post of a kind of horizontal well tractor conveying dynamic logging according to claim 1, is characterized in that containing following steps;
First, former well casing post is tripped out, drifting, well-flushing;
Secondly, to enter in sleeve pipe under horizontal well tractor conveying dynamic logging process pipe string, connect successively from bottom to top: the test of horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, on-off connector and oil pipe, oil pipe receives well head always, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector;
3rd, under enter horizontal well tractor conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, cable head, and downhole instrument bottom connects tractor, and 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, discharge opeing;
7th, adopt cable to remove and test; When downhole instrument relies on gravity not advance, start tractor, arrive the most next measuring point, above carry instrument and test;
Finally, cable, logger, tractor is tripped out.
3. horizontal well tractor conveying dynamic logging method according to claim 2, 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.
4. a logging technique rod tube post for horizontal well tractor conveying dynamic logging, is characterized in that:
Horizontal well tractor conveying dynamic logging technique rod tube post, comprising: horizontal well tractor conveying dynamic logging process pipe string, horizontal well tractor conveying dynamic logging technique roofbolt, horizontal well test dynamic lifting device and well head guiding device;
Horizontal well tractor conveying dynamic logging technique roofbolt, comprises tractor, cable head, downhole instrument and flexible nipple, and tractor is positioned at front side, after be connected with downhole instrument, flexible nipple and cable head successively; Horizontal well tractor conveying dynamic logging process pipe string, comprise: oil pipe, on-off connector, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, connect successively from bottom to top: the test of horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, on-off connector and oil pipe, oil pipe receives well head always; Cable carries dynamic logging technique roofbolt to be connected through horizontal well tractor conveying dynamic logging process pipe string with horizontal well tractor, horizontal well tests dynamic lifting device, comprise: production rig and self-sealing blowout preventer, production rig is positioned at outside well head, self-sealing blowout preventer is for mouth of shunting in a well, and oil pipe is through self-sealing blowout preventer; Well head guiding device, for deriving cable, avoids cable to damage due to friction.
5. the logging technique rod tube post of horizontal well tractor conveying dynamic logging according to claim 4, it is characterized in that, horizontal well tractor conveying dynamic logging technique roofbolt also comprises: downhole instrument centralizer, downhole instrument top connects flexible nipple and cable head, downhole instrument bottom connects tractor, and downhole instrument two ends are connected to downhole instrument centralizer respectively.
6. the logging technique rod tube post of horizontal well tractor conveying dynamic logging according to claim 4, it is characterized in that, horizontal well is tested dynamic lifting device and is also comprised on-off connector, connecting rod, anti-apical organ, packer and horizontal well test hollow pump, with on-off connector by 2
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 horn mouth; The hollow plunger that hollow pump is tested with the male of on-off connector and horizontal well respectively in the two ends of connecting rod is connected.
7. the logging technique rod tube post of horizontal well tractor conveying dynamic logging according to claim 4, it is characterized in that, well head guiding device, comprises casing coupling (1301), fixed pulley gripper shoe (1303) placed in the middle, fixed pulley (1304) placed in the middle, fixed pulley axis (1305), junction plate (1306), leading block (1307), leading block axle (1308), pivot pin (1309), leading block gripper shoe (1310), nut (1311), screw mandrel (1312) and bearing pin (1314) placed in the middle; Casing coupling (1301) is cylindrical shape, the outer wall of casing coupling (1301) is welded with two parallel fixed pulley gripper shoes (1303) rectangular placed in the middle, the centerline parallel of fixed pulley gripper shoe (1303) placed in the middle and casing coupling (1301); Be connected with a fixed pulley placed in the middle (1304) in the upper end of two fixed pulley gripper shoes (1303) placed in the middle by fixed pulley axis placed in the middle (1305), fixed pulley placed in the middle (1304) is in the centre of two fixed pulley gripper shoes (1303) placed in the middle; A screw mandrel joint (1313) is connected with by bearing pin (1314) in the bottom of two fixed pulley gripper shoes (1303) placed in the middle, screw mandrel joint (1313) cross section is circular or square, pin shaft hole is had in one end of screw mandrel joint (1313), have pin shaft hole in the bottom of two fixed pulley gripper shoes (1303) placed in the middle, bearing pin (1314) is through the pin shaft hole of screw mandrel joint (1313) and two fixed pulley gripper shoe (1303) pin shaft holes placed in the middle; Center screw is had at the other end of screw mandrel joint (13013), screw mandrel joint (1313) other end center screw internal fixtion has screw mandrel (1312), and the center line of screw mandrel joint (1313) and the center line of screw mandrel (1312) are on same straight line; Screw mandrel (13012) there is nut (13011); A sliding sleeve is had at the upper cover of screw mandrel (1312) in the bottom of nut (13011), 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 (1310), two ship and resell on another market insert two leading block gripper shoe (1310) bottoms respectively ship and resell on another market in hole;
Two leading block gripper shoes (1310) are rectangular flat board; There is pin shaft hole the upper end of two leading block gripper shoes (1310) respectively, a leading block axle (1308) is had in the pin shaft hole of two leading block gripper shoe (1310) upper ends, leading block axle (1308) is connected with leading block (1307), leading block (1307) is in the middle of two leading block gripper shoes (1310);
Pin shaft hole is had at the middle part of two leading block gripper shoes (1310), pivot pin (1309) is had in the pin shaft hole at two leading block gripper shoe (1310) middle parts, the pin shaft hole of pivot pin (1309) through two leading block gripper shoe (1310) middle parts and the pin shaft hole of junction plate (1306) one end, junction plate (1306) is connected to the middle part of two leading block gripper shoes (1310) by pivot pin (1309); There is pin shaft hole at fixed pulley gripper shoe (1303) middle part placed in the middle, and be installed with bearing pin in the pin shaft hole of fixed pulley gripper shoe (1303) placed in the middle, the other end of junction plate (1306) is connected to the two ends of bearing pin.
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| CN108708713A (en) * | 2018-05-28 | 2018-10-26 | 成都威尔普斯石油工程技术服务有限公司 | The measurement technique of well logging is cutd open in a kind of producing well production |
| CN111852449A (en) * | 2020-09-09 | 2020-10-30 | 哈尔滨艾拓普科技有限公司 | Continuous dragging type horizontal well produced liquid sectional test system |
| CN112211586A (en) * | 2020-11-04 | 2021-01-12 | 中国石油天然气股份有限公司 | Electrically controlled self-walking packer for horizontal well |
| CN112943182A (en) * | 2021-01-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Free layer changing device and method for horizontal well |
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Application publication date: 20151209 |
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| RJ01 | Rejection of invention patent application after publication |