CN105089630A - Horizontal well rod conveying dynamic well logging process rod and pipe column - Google Patents
Horizontal well rod conveying dynamic well logging process rod and pipe column Download PDFInfo
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- CN105089630A CN105089630A CN201510228244.XA CN201510228244A CN105089630A CN 105089630 A CN105089630 A CN 105089630A CN 201510228244 A CN201510228244 A CN 201510228244A CN 105089630 A CN105089630 A CN 105089630A
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Abstract
The invention provides a horizontal well rod conveying dynamic well logging process rod and pipe column, and belongs to the field of well logging of a horizontal well in an oil field. From bottom to top, a pipe column of a horizontal well rod conveying dynamic well logging process pipe column is structurally characterized in that a horn mouth is connected with an oil pipe; the other end of the oil pipe is connected with a horizontal well test hollow pump; the other end of the horizontal well test hollow pump is connected with a packer; the other end of the packer is connected with an anti-jacking device; the other end of the anti-jacking device is connected with an oil pipe disconnector; the other end of the oil pipe disconnector is connected with the oil pipe; and the oil pipe is connected to a wellhead. A horizontal well rod conveying dynamic well logging process rod column mainly consists of a cable head, tappets, a flexible short section and an underground instrument corrector, wherein the upper part of the underground instrument is connected with the flexible short section and the tappet; the uppermost tappet is connected with the cable head; and the two ends of the underground instrument are connected with the underground instrument corrector. The horizontal well rod conveying dynamic well logging process rod and pipe column has the advantages that the dynamic well logging is realized; the cable pulling-out is used; the cost is low; meanwhile, the tappets have high rigidity and toughness, and realize high-pressure resistance and high-temperature resistance; a built-in cable realizes instrument signal transmission; the structure is simple; and the use is convenient.
Description
Technical field
The present invention relates to horizontal well bar conveying dynamic logging technique rod tube post, belong to oilfield horizontal well well logging field.
Background technology
Horizontal wellbore logging generally adopts three kinds of modes such as the conveying of oil pipe coiled tubing, tractor conveying, Hydraulic transportation both at home and abroad at present.Existing oil pipe conveying and Hydraulic transportation, pumping liquid, liquid enters stratum, directly affects test result, and tractor conveying and coiled tubing carry input cost higher.In the urgent need to finding a kind of testing method as straight well is logged well.
Chinese patent literature " continuous tube horizontal borehole process and device " publication number: CN101382069A, publication date: on March 11st, 2009, adopt continuous-tube as the means of delivery of downhole logging instrument, but horizontal well is adopted for numerous machine, also cannot carry out producing profile testing under normal production status at present.
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: 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
The object of the invention is: provide a kind of horizontal well bar to carry dynamic logging technique rod tube post and logging method, adopt the lifting of horizontal well test hollow pump to produce, the conveying of pump instrument crossed by tappet, realizes horizontal well bar conveying dynamic logging.
The technical solution used in the present invention is: a kind of horizontal well bar conveying dynamic logging technique rod tube post,
Horizontal well bar conveying dynamic logging technique rod tube post, is tested dynamic lifting device formed by horizontal well bar conveying dynamic logging process pipe string, horizontal well bar conveying dynamic logging technique roofbolt, horizontal well,
Horizontal well bar conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, tubular column structure is from bottom to top: oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, disjointed device are connected successively with oil pipe, and oil pipe receives well head always;
Horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, tappet, flexible nipple, downhole instrument centralizers, downhole instrument top connects flexible nipple, tappet, the length of needs received by tappet always, go up most a root elevator bar and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer;
Horizontal well tests dynamic lifting device, and be made up of production rig, self-sealing blowout preventer, oil pipe, on-off connector, connecting rod, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, oil pipe, through self-sealing blowout preventer, passes through 2 with on-off connector
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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;
Tappet is by upper connector, pressure cap, cable plug assembly, cable, body, lower connector, cable socket assembly, back-up ring, and the thread protector used in accumulating, helmet composition;
Body upper end is welded with upper connector lower end, and lower end is welded with lower connector upper end, makes connector, body become to be integrated with lower connector; The middle part of upper connector is provided with internal thread, and the lower end of lower connector is provided with outside nut, is realized the connection of upper connector and lower connector by screw thread; Upper connector upper end inwall is sealing surface, is provided with the seal groove of dress O shape circle, is realized the sealing of upper connector and lower connector by O shape circle in the middle part of lower connector;
The middle and lower part of upper connector is provided with circular hole, and hole inwall has axial location groove, and cable plug assembly is contained in circular hole, and cable plug assembly is provided with pin, and prevent cable plug assembly from rotating in circular hole, there is internal thread circular hole upper end, and pressure cap is just contained in internal thread;
The middle and lower part of lower connector is provided with circular hole, and hole inwall has axial location groove, and cable socket assembly is contained in circular hole, and cable socket assembly is provided with pin, and prevent cable socket assembly from rotating in circular hole, circular hole lower end has cannelure, and back-up ring is just contained in cannelure;
Cable plug assembly lower end is connected with cable socket assembly upper end cable;
Upper connector outer wall is provided with annular groove;
Cable plug assembly is made up of public plug main body, conducting ring, dead ring, guiding insulation sleeve, stop pin, holding screw, clamp nut; Main body adds 2 conducting rings and 1 intermediate insulation ring, accurately locates the frame mode be fixedly connected with; After each assembling parts of public plug, inside fills high-temperature insulation adhesive curing;
Cable socket assembly is made up of female main body, front dead ring, damascene conductive ring dead ring, insulation sleeve, damascene conductive ring pressure cap, stop pin, dust-proof cushion rubber; Body interior is adopted to inlay two elastic conduction rings, intermediate insulation ring fixed connection structure form; Component assemble, and inside fills sealing compound solidification;
Horizontal well bar conveying dynamic logging method,
First, former well casing post is tripped out, drifting, well-flushing;
Secondly, to enter in sleeve pipe under horizontal well bar conveying dynamic logging process pipe string: be: the test of oil pipe horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, disjointed device, oil pipe from bottom to top, oil pipe connects successively receives well head always, the anti-apical organ of base sealed packer grappling, tubing string is thrown off from on-off connector, pumping discharge opeing;
3rd, under enter horizontal well bar conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, tappet, and the length of needs received by tappet always, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer;
Then, cable is connected with cable head, adopts cable to remove and tests;
Finally, cable, tappet, logger is tripped out.
Operating principle of the present invention and the course of work: consult Fig. 1.When carrying out logging operation, first enter down horizontal well bar conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, pumping discharge opeing, enter down horizontal well bar conveying dynamic logging technique roofbolt again, cable is connected with cable head, adopts cable to remove and tests.
Beneficial effect of the present invention: adopt horizontal well bar conveying dynamic logging rod tube post, carry out horizontal wellbore logging, realize dynamic logging, adopt cable to remove, cost is low, meanwhile, and tappet rigidity, good toughness, high pressure resistant high temperature, built-in cable realizes instrument signal transmission, and structure is simple, easy to use.
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, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is structural representation of the present invention;
Fig. 2 is tappet structural representation of the present invention;
Fig. 3 is tappet cable plug assembly schematic diagram of the present invention;
Fig. 4 is tappet cable socket assembly schematic diagram of the present invention;
Fig. 5 is that horizontal well of the present invention tests dynamic lifting device schematic diagram.
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:
Consult Fig. 1.Horizontal well bar conveying dynamic logging technique rod tube post, carries dynamic logging process pipe string, horizontal well bar to carry dynamic logging technique roofbolt to form by horizontal well bar,
Horizontal well bar conveying dynamic logging process pipe string, form primarily of oil pipe 8, disjointed device 12, anti-apical organ 11, packer 10, horizontal well test hollow pump 9, horn mouth 7, tubular column structure is from bottom to top: 2
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8in oil pipe horn mouth 7,2
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8the test of in oil pipe 8, horizontal well hollow pump 9, Y211-114 packer 10, anti-apical organ 11, disjointed device 12,2
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8in oil pipe 8 connects successively, and 2
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8in oil pipe 8 receives well head always;
Horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head 5, tappet 4, flexible nipple 3, downhole instrument centralizers 1,17, downhole instrument 2 top connects flexible nipple 3, tappet 4, the length of needs received by tappet 4 always, go up most a root elevator bar and connect cable head 5, downhole instrument 2 two ends are connected to downhole instrument centralizer 1,17;
The first downhole instrument centralizer 1 connecting downhole instrument 2 in sleeve pipe 13, the other end of downhole instrument 2 connects the second downhole instrument centralizer 17, the other end of the second downhole instrument centralizer 17 connects flexible nipple 3, the other end of flexible nipple 3 connects tappet 4, the other end stube cable head 5 of tappet 4, the other end stube cable 6 of cable head 5, the other end of cable 6 connects horn mouth 7, the other end connected pipes 8 of horn mouth 7, the other end of oil pipe 8 connects horizontal well test hollow pump 9, the other end of horizontal well test hollow pump 9 connects packer 10, the other end of packer 10 connects anti-apical organ 11, the other end connected pipes on-off connector 12 of anti-apical organ 11, the other end of oil manifold uncoupling machine 12 connects well head, sleeve pipe 13 connects well head,
Consult Fig. 1.When carrying out logging operation, first enter down horizontal well bar conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, pumping discharge opeing:
Set: upper lifting pipe post height 1.3m, slowly transfer tubing string, be pressurized to 6 ~ 8t, base sealed packer.Continue slowly to transfer tubing string, be pressurized to 10t, the anti-apical organ of grappling;
Disconnect: slowly upper lifting pipe post, controls suspending weight 15.5 ~ 16t, reversion oil pipe 20 ~ 24 encloses, and tubing string is thrown off from on-off connector;
Pumping discharge opeing: control pumping stroke≤4.5m, jig frequency 2 ~ 3min
-1, pumping liquid millpond reclaims, and starts test after lifting rate meets the demands.
Enter down horizontal well bar conveying dynamic logging technique roofbolt again, cable is connected with cable head, adopts cable to remove and tests.
Embodiment 2: as shown in Figure 2,
Horizontal well bar well logging tappet, forms primarily of the thread protector 401 used in the body of rod, cable plug assembly 403, pressure cap 404, cable 405, cable socket assembly 407, back-up ring 409 and accumulating and helmet 410;
The body of rod is by tubular body 406 external diameter 38 millimeters, internal diameter 25 millimeters, length 8000 millimeters, body 406 welds together with tubular lower connector 408 with tubular upper connector 402, body 406, and the center line of body 406, upper connector 402 and lower connector 408 is on same straight line;
Upper connector 402 has centre bore, and upper connector 402 centre bore is stepped central hole, and upper connector 402 upper end center hole has 1
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16sucker rod internal thread, is fixed with the thread protector 401 used in accumulating at the threaded upper ends of upper connector 402; A cable plug assembly 403 is had in the centre bore of upper connector 402 mid diameter 15 millimeters; Center, middle part hole wall has wide 2 millimeters of axial grooves, and plug stop pin 40304 one end of cable plug assembly 403 is in axial groove; Have internal thread in the upper end of the middle centre bore of upper connector 402, pressure cap 404 external screw thread of annular is fixed on the middle centre bore upper end of connector 402, and cable plug assembly 403 is fixed in the middle centre bore of upper connector 40402 by pressure cap 404; Cable plug assembly 403, through upper connector 402 lower center hole, body 406 centre bore and lower connector 408 centre bore, is connected with cable socket assembly 407 by cable 405;
Lower connector 408 has centre bore, and lower connector 408 centre bore is stepped central hole, has a cable socket assembly 407 in the centre bore of lower connector 408 lower end diameter 15 millimeters; Lower connector 408 lower center hole wall has wide 2 millimeters of axial grooves, and socket stop pin 40701 one end of cable socket assembly 407 is in axial groove; Lower connector 408 lower center hole inwall has cannelure, and the back-up ring 409 of annular is stuck in the inwall cannelure of lower connector 408 lower center hole, and cable socket assembly 407 is fixed in lower connector 408 lower center hole by back-up ring 409; 1 is had in lower connector 408 lower end
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16sucker rod external screw thread, helmet 410 screw thread used in accumulating is fixed on the lower end of lower connector 408;
The wall of lower connector 408 external thread section there is seal groove, in seal groove, has O sealing ring; The wall of upper connector 402 internal thread segment there is sealing surface; Between horizontal wellbore logging tappet and when being connected between tappet with instrument tool, realize upper connector 402 and lower connector 408 by screw thread and O sealing ring and to be connected with link and to seal;
The outer wall of upper connector 402 there is the annular groove of diameter 28 millimeters, when removing well operations as tappet scene, the use of the bayonet socket of the rod elevator of lifting tappet;
Cable plug assembly 403 lower end is connected with cable socket assembly 407 upper end cable 405.
As shown in Figure 3, the cable plug assembly 403 of described horizontal well bar well logging tappet is made up of holding screw 40301, insulation sleeve 40302, public plug conducting ring 40303, public plug stop pin 40304, public plug main body 40305; Public plug main body 40305 connects 2 public plug conducting rings 40303 and 1 and is positioned at insulation sleeve 40302 in the middle of public plug conducting ring 40303, is accurately located through public plug stop pin 40304, frame mode that holding screw 40301 is fixedly connected with; After each assembling parts of cable plug assembly 403, inside fills high-temperature insulation adhesive curing;
As shown in Figure 4, the cable socket assembly 407 of described horizontal wellbore logging tappet is made up of female stop pin 40701, female conducting ring 40702, dead ring 40703, female main body 40704, sealing and dustproof circle 40705, female pressure cap 40706;
Two flexible female conducting rings 40702 and the dead ring 40703 fixed connection structure form between two flexible female conducting rings 40702 are inlayed in cable socket assembly 407 inside, sealing and dustproof circle 40705 is had in female pressure cap 40706 inner circle, female stop pin 40701 connects female main body 40704, and female main body 40704 connects female pressure cap 40706, female conducting ring 40702 and dead ring 40703; The component of cable socket assembly 407 assemble, and inside fills high-temperature insulating glue, solidification; Overall high temperature resistance, shock resistance.
Embodiment 3:
Consult Fig. 5, horizontal well dynamic logging lifting device of the present invention, forms primarily of production rig 19, self-sealing blowout preventer 18, oil pipe 8, SCT-62 type on-off connector 12, connecting rod 20, the anti-apical organ 11 of SCF-62 type, Y211-114 type packer 10, SCB-40 type horizontal well test hollow pump 9, horn mouth 7; Production rig 19 connects self-sealing blowout preventer 18, and oil pipe 8, through self-sealing blowout preventer 18, passes through 2 with SCT-62 type on-off connector 12
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8heavy wall tubing is threaded; SCT-62 type on-off connector 12 is by 2
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8heavy wall tubing screw thread is connected with the anti-apical organ 11 of SCF-62 type; The anti-apical organ 11 of SCF-62 type is by 2
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8heavy wall tubing screw thread is connected with Y211-114 type packer 10; Y211-114 type packer 10 is by 2
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8heavy wall tubing screw thread is tested hollow pump 9 with SCB-40 type horizontal well and is connected; SCB-40 type horizontal well test hollow pump 9 is by 2
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8heavy wall tubing screw thread is connected with oil pipe horn mouth 7; The length of connecting rod 20 is 9.5m, external diameter 48.3mm, internal diameter 40mm, and its two ends are respectively with the pin thread of M48 × 2.5, and the hollow plunger testing hollow pump 9 respectively with the male of SCT-62 type on-off connector 12 and SCB-40 type horizontal well is connected.
Embodiment 4: a kind of logging technique rod tube post of horizontal well bar conveying dynamic logging, horizontal well bar conveying dynamic logging technique rod tube post, tested dynamic lifting device formed by horizontal well bar conveying dynamic logging process pipe string, horizontal well bar conveying dynamic logging technique roofbolt, horizontal well
Horizontal well bar conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, tubular column structure is from bottom to top: oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, disjointed device, oil pipe connect successively, and oil pipe receives well head always;
Horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, tappet, flexible nipple, downhole instrument centralizers, downhole instrument top connects flexible nipple, tappet, the length of needs received by tappet always, go up most a root elevator bar and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer;
Operating principle of the present invention and the course of work: consult Fig. 1.When carrying out logging operation, first enter down horizontal well bar conveying dynamic logging process pipe string, base sealed packer, the anti-apical organ of grappling, tubing string is thrown off from on-off connector, pumping discharge opeing, enter down horizontal well bar conveying dynamic logging technique roofbolt again, cable is connected with cable head, adopts cable to remove and tests.
Tappet is by upper connector, pressure cap, cable plug assembly, cable, body, lower connector, cable socket assembly, back-up ring, and the thread protector used in accumulating, helmet composition;
Body upper end is welded with upper connector lower end, and lower end is welded with lower connector upper end, makes connector, body become to be integrated with lower connector; The middle part of upper connector is provided with internal thread, and the lower end of lower connector is provided with outside nut, is realized the connection of upper connector and lower connector by screw thread; Upper connector upper end inwall is sealing surface, is provided with the seal groove of dress O shape circle, is realized the sealing of upper connector and lower connector by O shape circle in the middle part of lower connector;
The middle and lower part of upper connector is provided with circular hole, and hole inwall has axial location groove, and cable plug assembly is contained in circular hole, and cable plug assembly is provided with pin, and prevent cable plug assembly from rotating in circular hole, there is internal thread circular hole upper end, and pressure cap is just contained in internal thread;
The middle and lower part of lower connector is provided with circular hole, and hole inwall has axial location groove, and cable socket assembly is contained in circular hole, and cable socket assembly is provided with pin, and prevent cable socket assembly from rotating in circular hole, circular hole lower end has cannelure, and back-up ring is just contained in cannelure;
Cable plug assembly lower end is connected with cable socket assembly upper end cable;
Upper connector outer wall is provided with annular groove;
The cable plug assembly of described horizontal well bar well logging tappet is made up of public plug main body, conducting ring, dead ring, guiding insulation sleeve, stop pin, holding screw, clamp nut; Main body adds 2 conducting rings and 1 intermediate insulation ring, accurately locates the frame mode be fixedly connected with; After each assembling parts of public plug, inside fills high-temperature insulation adhesive curing;
The cable socket assembly of described horizontal wellbore logging tappet is made up of female main body, front dead ring, damascene conductive ring dead ring, insulation sleeve, damascene conductive ring pressure cap, stop pin, dust-proof cushion rubber; Body interior is adopted to inlay two elastic conduction rings, intermediate insulation ring fixed connection structure form; Component assemble, and inside fills high-temperature insulating glue, solidification; Overall high temperature resistance, shock resistance.
The operating principle of tappet and the course of work: consult Fig. 1.When carrying out logging operation, under horizontal wellbore logging tappet, connector connects logger, and upper connector connects this device, needs many capable of being combined according to well logging, goes up a upper connector most and is connected with cable head, adopt cable to remove and test.
The beneficial effect of tappet: adopt tappet conveying to carry out horizontal wellbore logging cost low, by hollow pump, realize cable and remove, meanwhile, tappet rigidity, good toughness, high pressure resistant high temperature, built-in cable realizes instrument signal transmission, and structure is simple, easy to use.
Horizontal well tests dynamic lifting device, and be made up of production rig, self-sealing blowout preventer, oil pipe, on-off connector, connecting rod, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, oil pipe, through self-sealing blowout preventer, passes through 2 with on-off connector
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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;
Horizontal well tests operating principle and the course of work of dynamic lifting device: in horizontal well test lifting, enter down oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ on request successively, under enter connecting rod and be connected with the plunger that horizontal well tests hollow pump, connecting rod is connected with oil manifold uncoupling machine male through oil manifold uncoupling machine female, then oil manifold uncoupling machine male is connected with mistake oil manifold uncoupling machine female.Oil manifold uncoupling machine male top connected pipes, until well head; At well head place, self-sealing blowout preventer is installed.
Enter after below horizontal well producing fluid level under horizontal well test hollow pump, set packer, transfer tubing string pressurization, the anti-apical organ of grappling, reversion oil pipe, oil manifold uncoupling machine male is separated with oil manifold uncoupling machine female, and ground working rig handling oil pipe can drive the plunger reciprocates of oil manifold uncoupling machine male and connecting rod and horizontal well test hollow pump, and the down-hole liquid of lifting discharges well head by oil sets annular space.Hollow plunger in oil pipe, connecting rod, horizontal well test hollow pump provides test channel for tester.
Horizontal well tests the beneficial effect of dynamic lifting device: lifting discharge opeing is reliable and stable, and test channel is smooth and easy.
Embodiment 5: for the lifting device of a horizontal well dynamic logging, the present invention is described in further detail.
This real invention horizontal well dynamic logging lifting device is primarily of production rig, self-sealing blowout preventer, oil pipe, SCT-62 type oil manifold uncoupling machine, connecting rod, the anti-apical organ of SCF-62 type oil pipe, Y211-114 type packer, the hollow test pump of SCB-40 type horizontal well, horn mouth composition; Oil pipe, through self-sealing blowout preventer, passes through 2 with SCT-62 type oil manifold uncoupling machine
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8heavy wall tubing is threaded; SCT-62 type oil manifold uncoupling machine is by 2
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8heavy wall tubing screw thread is connected with the anti-apical organ of SCF-62 type oil pipe; The central passage of the anti-apical organ of SCF-62 type oil pipe is 62 millimeters; The anti-apical organ of SCF-62 type oil pipe is by 2
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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
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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
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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 6: horizontal well dynamic logging lifting method embodiment.
1) go into the well: connected pipes horn mouth, oil pipe, SCB-40 type horizontal well hollow test pump, Y211-114 type packer, the anti-apical organ of SCF-62 type oil pipe, SCT-62 type oil manifold uncoupling machine combine process pipe string, under lower going-into-well successively.
3) well head is installed: install self-sealing blowout preventer at well head, because self-sealing blowout preventer can select Multiple Type, and the method is routine techniques for underground work art, is not described in detail in this.
2) set.After entering lower 200 meters ~ 500 meters of producing fluid level under SCB-40 type horizontal well hollow test pump, upper lifting pipe post height 1.3 meters, slowly transfers tubing string, is pressurized to 6 ~ 8 tons, setting Y211-114 type packer; Continue slowly to transfer tubing string, be pressurized to 10 tons, the anti-apical organ of grappling SCF-62 type oil pipe.
3) disconnect: slowly upper lifting pipe post, controlling suspending weight is the above tubing weight of Y211-114 type packer, and reversion oil pipe 12 ~ 14 encloses, and tubing string is thrown off from SCT-62 type oil manifold uncoupling machine.
4) lifting: control pumping stroke 3 meters ~ 5 meters, jig frequency 2 ~ 3min
-1.Pumping liquid millpond reclaims.
5) trip out: slowly transfer tubing string and pressurize 0.5 ton, rotate forward oil pipe 16 and enclose, slow upper lifting pipe post.Confirm that docking completes and after Y211-114 type removing seal for packer, trips out the various instrument in down-hole successively.
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 (3)
1. a horizontal well bar conveying dynamic logging technique rod tube post, it is characterized in that: horizontal well bar conveying dynamic logging technique rod tube post, tested dynamic lifting device formed by horizontal well bar conveying dynamic logging process pipe string, horizontal well bar conveying dynamic logging technique roofbolt, horizontal well
Horizontal well bar conveying dynamic logging process pipe string, primarily of oil pipe, disjointed device, anti-apical organ, packer, horizontal well test hollow pump, horn mouth composition, tubular column structure is from bottom to top: oil pipe horn mouth, oil pipe, horizontal well test hollow pump, packer, anti-apical organ, disjointed device are connected successively with oil pipe, and oil pipe receives well head always;
Horizontal well bar conveying dynamic logging technique roofbolt, primarily of compositions such as cable head, tappet, flexible nipple, downhole instrument centralizers, downhole instrument top connects flexible nipple, tappet, the length of needs received by tappet always, go up most a root elevator bar and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer;
Horizontal well tests dynamic lifting device, and be made up of production rig, self-sealing blowout preventer, oil pipe, on-off connector, connecting rod, anti-apical organ, packer, horizontal well test hollow pump, horn mouth, oil pipe, through self-sealing blowout preventer, passes through 2 with on-off connector
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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.
2. horizontal well bar conveying dynamic process rod tube post according to claim 1, it is characterized in that: tappet is by upper connector, pressure cap, cable plug assembly, cable, body, lower connector, cable socket assembly, back-up ring, and the thread protector used in accumulating, helmet composition;
Body upper end is welded with upper connector lower end, and lower end is welded with lower connector upper end, makes connector, body become to be integrated with lower connector; The middle part of upper connector is provided with internal thread, and the lower end of lower connector is provided with outside nut, is realized the connection of upper connector and lower connector by screw thread; Upper connector upper end inwall is sealing surface, is provided with the seal groove of dress O shape circle, is realized the sealing of upper connector and lower connector by O shape circle in the middle part of lower connector;
The middle and lower part of upper connector is provided with circular hole, and hole inwall has axial location groove, and cable plug assembly is contained in circular hole, and cable plug assembly is provided with pin, and prevent cable plug assembly from rotating in circular hole, there is internal thread circular hole upper end, and pressure cap is just contained in internal thread;
The middle and lower part of lower connector is provided with circular hole, and hole inwall has axial location groove, and cable socket assembly is contained in circular hole, and cable socket assembly is provided with pin, and prevent cable socket assembly from rotating in circular hole, circular hole lower end has cannelure, and back-up ring is just contained in cannelure;
Cable plug assembly lower end is connected with cable socket assembly upper end cable;
Upper connector outer wall is provided with annular groove;
Cable plug assembly is made up of public plug main body, conducting ring, dead ring, guiding insulation sleeve, stop pin, holding screw, clamp nut; Main body adds 2 conducting rings and 1 intermediate insulation ring, accurately locates the frame mode be fixedly connected with; After each assembling parts of public plug, inside fills high-temperature insulation adhesive curing;
Cable socket assembly is made up of female main body, front dead ring, damascene conductive ring dead ring, insulation sleeve, damascene conductive ring pressure cap, stop pin, dust-proof cushion rubber; Body interior is adopted to inlay two elastic conduction rings, intermediate insulation ring fixed connection structure form; Component assemble, and inside fills sealing compound solidification.
3. use the logging method of the horizontal well bar conveying dynamic process rod tube post of claim 1 to 2 any one, 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 bar conveying dynamic logging process pipe string: be: the test of oil pipe horn mouth, oil pipe, horizontal well hollow pump, packer, anti-apical organ, disjointed device, oil pipe from bottom to top, oil pipe receives well head always, the anti-apical organ of base sealed packer grappling, tubing string is thrown off from on-off connector, pumping discharge opeing;
3rd, under enter horizontal well bar conveying dynamic logging technique roofbolt: downhole instrument top connects flexible nipple, tappet, and the length of needs received by tappet always, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer;
Then, cable is connected with cable head, adopts cable to remove and tests;
Finally, cable, tappet, logger is tripped out.
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| CN201510228244.XA CN105089630B (en) | 2014-05-14 | 2015-05-06 | Horizontal well bar conveys dynamic logging technique rod tube column and application method |
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| CN105089630B (en) | 2018-09-04 |
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