CN105089624A - Horizontal well coiled tubing conveying dynamic logging method - Google Patents
Horizontal well coiled tubing conveying dynamic logging method Download PDFInfo
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- CN105089624A CN105089624A CN201510226927.1A CN201510226927A CN105089624A CN 105089624 A CN105089624 A CN 105089624A CN 201510226927 A CN201510226927 A CN 201510226927A CN 105089624 A CN105089624 A CN 105089624A
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- 238000000034 method Methods 0.000 title claims abstract description 79
- 238000012360 testing method Methods 0.000 claims abstract description 80
- 210000000056 organ Anatomy 0.000 claims description 53
- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 210000002445 nipple Anatomy 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The invention provides a horizontal well coiled tubing conveying dynamic logging method. The well logging method comprises the following steps: pulling out the original well pipe column, dredging the well and washing the well; putting a horizontal well coiled tubing conveying dynamic logging process pipe column into a casing: from bottom to top: the device comprises a bell mouth, an oil pipe, a horizontal well testing hollow pump, a packer, an anti-jacking device, a disjointing device and the oil pipe which are sequentially connected, wherein the oil pipe is directly connected to the well mouth, the packer is set, the anti-jacking device is anchored, and a pipe column is disconnected from the disjointing device; installing a wellhead guide device; and (3) running a coiled tubing into a horizontal well to convey a dynamic logging process rod column: the upper part of the underground instrument is connected with a flexible short joint, a cable head and a continuous oil pipe, and two ends of the underground instrument are connected with underground instrument centralizers; draining; testing by taking off and taking down a coiled tubing; and finally, pulling out the coiled tubing and the logging instrument. The logging method is adopted to carry out horizontal well logging, dynamic logging is realized, and the coiled tubing is adopted for tripping, so that the rigidity and the toughness are good.
Description
Technical field
The present invention relates to horizontal well coiled tubing 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 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
In order to overcome the deficiencies in the prior art, the invention provides a kind of horizontal well coiled tubing conveying dynamic logging method.
The invention provides the logging technique rod tube post of a kind of horizontal well coiled tubing conveying dynamic logging, this horizontal well coiled tubing conveying dynamic logging technique rod tube post comprises horizontal well coiled tubing conveying dynamic logging process pipe string, horizontal well coiled tubing carries dynamic logging technique roofbolt, horizontal well tests dynamic lifting device; Horizontal well coiled tubing conveying dynamic logging process duct comprises the horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, the disjointed device that connect successively from bottom to top and becomes with oil pipe, and oil pipe extends to well head always; Horizontal well coiled tubing conveying dynamic logging technique roofbolt comprises the coiled tubing, cable head, flexible nipple, the first downhole instrument centralizer, downhole instrument and the second downhole instrument centralizer that connect setting successively; Horizontal well is tested dynamic lifting device and is comprised production rig, be arranged at the self-sealing blowout preventer at the top of oil pipe, and the horizontal well test hollow pump, packer, anti-apical organ, connecting rod and the on-off connector that are set in turn in from lower to upper on oil pipe, oil pipe is through self-sealing blowout preventer.
Further, between on-off connector and oil pipe, between on-off connector and anti-apical organ, between anti-apical organ and packer, packer and horizontal well is tested between hollow pump, horizontal well is tested and is all threaded connection between hollow pump and horn mouth; The length of connecting rod is 9.5m, external diameter 48.3mm, internal diameter 40mm, and the two ends of connecting rod are connected with the hollow plunger that the male of on-off connector and horizontal well test hollow pump by the pin thread of M48 × 2.5.
Further, the well head of coiled tubing is provided with guiding device, and guiding device comprises 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 placed in the middle; 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; Have a screw mandrel joint in the bottom of two fixed pulley gripper shoes placed in the middle by pinned connection, have pin hole in one end of screw mandrel joint and in the bottom of two fixed pulley gripper shoes placed in the middle, bearing pin is through pin-and-hole; 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 the joint of screw mandrel and the center line of screw mandrel are on same straight line; Screw mandrel is provided with nut; Cover has a sliding sleeve in the bottom of nut and on screw mandrel, ships and resell on another market hole in the bottom of two leading block gripper shoes, and is provided with in hole of shipping and reselling on another market and ships and resell on another market; In the pin hole of two leading block gripper shoe upper ends, there is a leading block axle, in the middle of two leading block gripper shoes, be provided with leading block; Have pivot pin 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; 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.
Further, screw mandrel comprises main body and joint, and the cross section of main body is circular, and the cross section of joint is square, and two leading block gripper shoes are rectangular flat board.
The invention provides a kind of horizontal well coiled tubing conveying dynamic logging technique rod tube post, ensure that horizontal well continues the realization of oil pipe conveying dynamic logging method.
The invention provides a kind of coiled tubing well head guiding device; test for horizontal well; guarantee that coiled tubing and cable connector pass through well head smoothly; working rig travelling block can be avoided; reduce the friction of coiled tubing and cable and working rig travelling block, protection coiled tubing and cable prevent the wearing and tearing of coiled tubing and cable.
The technical solution used in the present invention is: horizontal well coiled tubing conveying dynamic logging method,
First, former well casing post is tripped out, drifting, well-flushing;
Secondly, to enter in sleeve pipe under horizontal well coiled tubing conveying dynamic logging process pipe string: be: the test of 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, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector;
3rd, well head guiding device is installed;
4th, under enter horizontal well coiled tubing conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, cable head, coiled tubing, and downhole instrument two ends are connected to downhole instrument centralizer;
5th, discharge opeing;
6th, adopt coiled tubing to remove and test;
Finally, coiled tubing, logger is tripped out;
Further comprising the steps of:
The leading block of coiled tubing well head guiding device is unloaded, the hole slot that coiled tubing 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 coiled tubing and working rig travelling block, coiled tubing can be transferred; When the lower coiled tubing 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 coiled tubing leaves above well head at the draught line of leading block; After under operation, coiled tubing starts, coiled tubing can avoid the friction that working rig travelling block avoids coiled tubing and working rig travelling block, prevents coiled tubing from wearing and tearing; Then, coiled tubing enters in well head through the guiding of fixed pulley placed in the middle, make coiled tubing can not with wellhead casing pipe or oil pipe friction, decrease the wearing and tearing of cable;
Present invention also offers the technique rod tube post of a kind of horizontal well coiled tubing conveying dynamic logging,
Horizontal well coiled tubing conveying dynamic logging technique rod tube post, is tested dynamic lifting device formed by horizontal well coiled tubing conveying dynamic logging process pipe string, horizontal well coiled tubing conveying dynamic logging technique roofbolt, horizontal well,
Horizontal well coiled tubing conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, syndeton is from bottom to top: 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 coiled tubing conveying dynamic logging technique roofbolt, primarily of compositions such as coiled tubing, cable head, flexible nipple, downhole instrument centralizers, downhole instrument top connects flexible nipple, cable head, coiled tubing, 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 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;
Coiled tubing 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 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 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, 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 hole the upper end of two leading block gripper shoes 1310 respectively, a leading block axle 1308 is had in the pin 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 hole is had at the middle part of two leading block gripper shoes 1310, pivot pin 1309 is had in pin hole in the middle part of two leading block gripper shoes 1310, pivot pin 1309 is through the pin hole of the pin 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.
Operating principle of the present invention and the course of work: consult
fig. 1.When carrying out logging operation, first enter down horizontal well coiled tubing conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, installs well head guiding device, then under enter horizontal well coiled tubing conveying dynamic logging technique roofbolt, discharge opeing, adopts coiled tubing to remove and tests.
Beneficial effect of the present invention: adopt horizontal well coiled tubing conveying dynamic logging method, carry out horizontal wellbore logging, realize dynamic logging, adopt coiled tubing to remove, rigidity, good toughness.
Accompanying drawing explanation
Work as combination
accompanying drawingduring consideration, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but described herein
accompanying drawingbe used to provide a further understanding of the present invention, form a part 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,
as figurewherein:
fig. 1it is structural representation of the present invention
figure;
fig. 2that horizontal well of the present invention tests the signal of dynamic lifting device
figure;
fig. 3it is coiled tubing well head guiding device of the present invention structural representation
figure;
fig. 4it is coiled tubing well head guiding device duty of the present invention signal
figure.
Below in conjunction with
accompanying drawingthe present invention is further described with embodiment.
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 Fig. 1,
fig. 2,
fig. 3,
fig. 4shown in,
Horizontal well coiled tubing conveying dynamic logging technique rod tube post, carries dynamic logging process pipe string, horizontal well coiled tubing to carry dynamic logging technique roofbolt to form by horizontal well coiled tubing;
Horizontal well coiled tubing conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, the structure connected from bottom to top is: 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, disjointed device and 2
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8in oil pipe, 2
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8in oil pipe receives well head always;
Horizontal well coiled tubing conveying dynamic logging technique roofbolt, connect to form primarily of coiled tubing, cable head, flexible nipple, downhole instrument centralizer, downhole instrument top connects flexible nipple, cable head, coiled tubing, and downhole instrument two ends are connected to downhole instrument centralizer;
Consult
fig. 1.When carrying out logging operation, first enter down horizontal well coiled tubing 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;
Well head guiding device is installed;
Enter horizontal well coiled tubing conveying dynamic logging technique roofbolt;
Discharge opeing: control stroke≤4.5m, jig frequency 2 ~ 3min-1, discharges liquid millpond and reclaims, start test after lifting rate meets the demands;
Adopt coiled tubing to remove to test.
Embodiment 2:
as Fig. 1shown in, continuous-tube implement 12; Well head splicing sleeve 11, has the first downhole instrument centralizer 1, second downhole instrument centralizer 16, downhole instrument 2, flexible nipple 3, coiled tubing 4, horn mouth 5, oil pipe 6, horizontal well to test hollow pump 7, packer 8, anti-apical organ 9 and on-off connector 10 in sleeve pipe 11; Horizontal well coiled tubing 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 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 disjointed device 10, the other end connected pipes 6 of disjointed device 10, oil pipe 6 receives well head always, well head splicing sleeve 11; The other end connecting downhole instrument 2 of the first downhole instrument centralizer 1, the other end of downhole instrument 2 connects the other end connection flexible nipple 3 of the second downhole instrument centralizer 16, second downhole instrument centralizer 16; The other end of flexible nipple 3 connects coiled tubing 4; The other end of coiled tubing 4 is connected to the continuous-tube implement 12 on ground.
as Fig. 2shown in, well head splicing sleeve 11, 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 sleeve pipe 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;
Sleeve pipe 11 connects self-sealing blowout preventer 14, and self-sealing blowout preventer 14 connects production rig 19.
Horizontal well dynamic logging lifting device, forms primarily of production rig 19, self-sealing blowout preventer 14, oil pipe 6, SCT-62 type on-off connector 10, connecting rod 20, the anti-apical organ 9 of SCF-62 type, Y211-114 type packer 8, SCB-40 type horizontal well test hollow pump 7, horn mouth 5; Oil pipe 6, through self-sealing blowout preventer 14, passes through 2 with SCT-62 type on-off connector 10
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8heavy wall tubing is threaded; SCT-62 type on-off connector 10 is by 2
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8heavy wall tubing screw thread is connected with the anti-apical organ 9 of SCF-62 type; The anti-apical organ 9 of SCF-62 type is by 2
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8heavy wall tubing screw thread is connected with Y211-114 type packer 8; Y211-114 type packer 8 is by 2
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8heavy wall tubing screw thread is tested hollow pump 7 with SCB-40 type horizontal well and is connected; SCB-40 type horizontal well test hollow pump 7 is by 2
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8heavy wall tubing screw thread is connected with oil pipe horn mouth 5; 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 7 respectively with the male of SCT-62 type on-off connector 10 and SCB-40 type horizontal well is connected.
Embodiment 3: consult
fig. 2.A kind of horizontal well coiled tubing 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 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 SCT-62 type on-off connector and SCB-40 type horizontal well is connected.
Embodiment 4: for a coiled tubing well head guiding device, the present invention is described in further detail.
Consult
fig. 3.Coiled tubing well head 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 1303 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 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 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 hole the upper end of two leading block gripper shoes 1310 respectively, a leading block axle 1308 is had in the pin 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 hole at the middle part of two leading block gripper shoes 1310, the pin hole at the middle part of leading block gripper shoe 1310 to leading block gripper shoe 1310 upper end pin hole between distance be 450mm.Pivot pin 1309 is had in pin hole in the middle part of two leading block gripper shoes 1310, pivot pin 1309 is through the pin hole of the pin 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 5:
A technique rod tube post for horizontal well coiled tubing conveying dynamic logging,
Horizontal well coiled tubing conveying dynamic logging technique rod tube post, is tested dynamic lifting device formed by horizontal well coiled tubing conveying dynamic logging process pipe string, horizontal well coiled tubing conveying dynamic logging technique roofbolt, horizontal well,
Horizontal well coiled tubing conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, syndeton is from bottom to top: 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 coiled tubing conveying dynamic logging technique roofbolt, primarily of compositions such as coiled tubing, cable head, flexible nipple, downhole instrument centralizers, downhole instrument top connects flexible nipple, cable head, coiled tubing, 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 coiled tubing conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, installs well head guiding device, then under enter horizontal well coiled tubing conveying dynamic logging technique roofbolt, discharge opeing, adopts coiled tubing to remove and tests.
Coiled tubing 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 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 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 hole the upper end of two leading block gripper shoes 1310 respectively, a leading block axle 1308 is had in the pin 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 hole is had at the middle part of two leading block gripper shoes 1310, pivot pin 1309 is had in pin hole in the middle part of two leading block gripper shoes 1310, pivot pin 1309 is through the pin hole of the pin 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 coiled tubing well head guiding device and the course of work: consult
fig. 3.Before lower coiled tubing 1302, first casing coupling 1301 is enclosed within the tubing coupling of well head.Then coiled tubing 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 coiled tubing 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 coiled tubing 1302 and working rig travelling block, coiled tubing 1302 can be transferred.When the lower coiled tubing 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 coiled tubing 1302 leaves above well head at the draught line of leading block 1307.After under operation, coiled tubing 1302 starts, coiled tubing 1302 can be avoided working rig travelling block and avoid coiled tubing 1302 and the friction of working rig travelling block, prevents coiled tubing 1302 from wearing and tearing.Then, coiled tubing 1302 enters in well head through the guiding of fixed pulley 1304 placed in the middle, make coiled tubing 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 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 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 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, 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 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, 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.
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 (8)
1. a logging technique rod tube post for horizontal well coiled tubing conveying dynamic logging, is characterized in that:
This logging technique rod tube post carries dynamic logging process pipe string, horizontal well coiled tubing conveying dynamic logging technique roofbolt by horizontal well coiled tubing, horizontal well is tested dynamic lifting device and formed,
Horizontal well coiled tubing conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, syndeton is from bottom to top: 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 coiled tubing conveying dynamic logging technique roofbolt, primarily of compositions such as coiled tubing, cable head, flexible nipple, downhole instrument centralizers, downhole instrument top connects flexible nipple, cable head, coiled tubing, 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 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. logging technique rod tube post according to claim 1, it is characterized in that, coiled tubing 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;
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.
3. logging technique rod tube post according to claim 1 and 2 carries out horizontal well coiled tubing conveying dynamic logging method, it 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 coiled tubing conveying dynamic logging process pipe string: be: the test of 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, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector;
3rd, well head guiding device is installed;
4th, under enter horizontal well coiled tubing conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, cable head, coiled tubing, and downhole instrument two ends are connected to downhole instrument centralizer;
5th, discharge opeing;
6th, adopt coiled tubing to remove and test;
Finally, coiled tubing, logger is tripped out.
4. horizontal well coiled tubing conveying dynamic logging method according to claim 3, it is characterized in that, well head guiding device uses and comprises the following steps:
The leading block of coiled tubing well head guiding device is unloaded, the hole slot that coiled tubing 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 coiled tubing and working rig travelling block, coiled tubing can be transferred; When the lower coiled tubing 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 coiled tubing leaves above well head at the draught line of leading block; After under operation, coiled tubing starts, coiled tubing can avoid the friction that working rig travelling block avoids coiled tubing and working rig travelling block, prevents coiled tubing from wearing and tearing; Then, coiled tubing enters in well head through the guiding of fixed pulley placed in the middle, make coiled tubing can not with wellhead casing pipe or oil pipe friction, decrease the wearing and tearing of cable.
5. the logging technique rod tube post of a horizontal well coiled tubing conveying dynamic logging, it is characterized in that, described horizontal well coiled tubing conveying dynamic logging technique rod tube post comprises horizontal well coiled tubing conveying dynamic logging process pipe string, horizontal well coiled tubing carries dynamic logging technique roofbolt, horizontal well tests dynamic lifting device; Described horizontal well coiled tubing conveying dynamic logging process duct comprises the horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, the disjointed device that connect successively from bottom to top and becomes with oil pipe, and described oil pipe extends to well head always; Described horizontal well coiled tubing conveying dynamic logging technique roofbolt comprises the coiled tubing, cable head, flexible nipple, the first downhole instrument centralizer, downhole instrument and the second downhole instrument centralizer that connect setting successively; Described horizontal well is tested dynamic lifting device and is comprised production rig, be arranged at the self-sealing blowout preventer at the top of described oil pipe, and the horizontal well test hollow pump, packer, anti-apical organ, connecting rod and the on-off connector that are set in turn in from lower to upper on described oil pipe, oil pipe is through self-sealing blowout preventer.
6. logging technique rod tube post according to claim 5, it is characterized in that, between described on-off connector and described oil pipe, between described on-off connector and described anti-apical organ, between described anti-apical organ and described packer, described packer and described horizontal well is tested between hollow pump, described horizontal well is tested between hollow pump and described horn mouth and is all threaded connection; The length of described connecting rod is 9.5m, external diameter 48.3mm, internal diameter 40mm, and the two ends of described connecting rod are connected with the hollow plunger that the male of described on-off connector and described horizontal well test hollow pump by the pin thread of M48 × 2.5.
7. logging technique rod tube post according to claim 5, it is characterized in that, the well head of described coiled tubing is provided with guiding device, and described guiding device comprises 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 placed in the middle; The outer wall of described casing coupling is welded with two parallel fixed pulley gripper shoes rectangular described placed in the middle, the centerline parallel of described fixed pulley gripper shoe placed in the middle and described casing coupling; Be connected with a described fixed pulley placed in the middle in the upper end of two described fixed pulley gripper shoes placed in the middle by described fixed pulley axis placed in the middle, described fixed pulley placed in the middle is in the centre of two described fixed pulley gripper shoes placed in the middle; Have a screw mandrel joint in the bottom of two described fixed pulley gripper shoes placed in the middle by described pinned connection, have pin hole in one end of described screw mandrel joint and in the bottom of two described fixed pulley gripper shoes placed in the middle, described bearing pin is through described pin-and-hole; Have center screw at the other end of described screw mandrel joint, described screw mandrel joint other end center screw internal fixtion has described screw mandrel, and the center line of the joint of described screw mandrel and the center line of described screw mandrel are on same straight line; Described screw mandrel is provided with described nut; Cover has a sliding sleeve in the bottom of described nut and on described screw mandrel, ships and resell on another market hole in the bottom of two described leading block gripper shoes, and is provided with in hole of shipping and reselling on another market and ships and resell on another market; In the pin hole of two described leading block gripper shoe upper ends, there is a described leading block axle, in the middle of two described leading block gripper shoes, be provided with described leading block; Have pivot pin in pin hole in the middle part of two described leading block gripper shoes, described pivot pin is through the pin hole of the pin hole in the middle part of two described leading block gripper shoes and described junction plate one end; Be installed with bearing pin in the pin shaft hole of described fixed pulley gripper shoe placed in the middle, the other end of described junction plate is connected to the two ends of described bearing pin.
8. logging technique rod tube post according to claim 7, it is characterized in that, described screw mandrel comprises main body and joint, and the cross section of described main body is circular, and the cross section of described joint is square, and two described leading block gripper shoes are rectangular flat board.
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| CN201510226927.1A CN105089624A (en) | 2014-05-14 | 2015-05-06 | Horizontal well coiled tubing conveying dynamic logging method |
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| CN201410203780X | 2014-05-14 | ||
| CN201410203780 | 2014-05-14 | ||
| CN201510226927.1A CN105089624A (en) | 2014-05-14 | 2015-05-06 | Horizontal well coiled tubing conveying dynamic logging method |
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| CN109899056A (en) * | 2017-12-07 | 2019-06-18 | 中国石油天然气股份有限公司 | Method and device for determining parameters of oil pumping unit and computer readable storage medium |
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Application publication date: 20151125 |