CN105089622A - Horizontal well rod conveying logging process rod pipe column - Google Patents
Horizontal well rod conveying logging process rod pipe column Download PDFInfo
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- CN105089622A CN105089622A CN201510226845.7A CN201510226845A CN105089622A CN 105089622 A CN105089622 A CN 105089622A CN 201510226845 A CN201510226845 A CN 201510226845A CN 105089622 A CN105089622 A CN 105089622A
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- 238000000034 method Methods 0.000 title claims abstract description 113
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 210000002445 nipple Anatomy 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000009671 shengli Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
A horizontal well rod conveying logging process rod pipe column belongs to the field of oil field horizontal well logging. The first horizontal well rod conveying well logging process pipe column consists of an oil pipe, an oil pipe centralizer, a sieve pipe and a guide cone, wherein the upper part of the guide cone is connected with the sieve pipe, the upper part of the sieve pipe is connected with the oil pipe, the oil pipe is directly connected to a well head, and the oil pipe of a test well section is connected with the oil pipe centralizer; a horizontal well rod conveying well logging process rod column mainly comprises a cable head, a tappet, a flexible short section, a downhole instrument and a downhole instrument centralizer, wherein the upper part of the downhole 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 downhole instrument are connected with the downhole instrument centralizer; the cable is connected with the cable head. The invention has the beneficial effects that: the horizontal well rod is adopted to convey the well logging process rod pipe column, the horizontal well logging is carried out, the cable tripping is realized, the cost is low, meanwhile, the tappet rod is good in rigidity and toughness, high-pressure and high-temperature resistant, the built-in cable is used for realizing the signal transmission of the instrument, the structure is simple, and the use is convenient.
Description
Technical field
The present invention relates to horizontal well bar conveying well measuring technique rod tube post, belong to oilfield horizontal well well logging field.
Background technology
At present, domestic and international horizontal wellbore logging generally adopts three kinds of modes such as oil pipe (coiled tubing) conveying, tractor conveying, Hydraulic transportation.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.
Domesticly find the documents of ground in the conveying of horizontal well tester such as Shandong, Jilin, Heilungkiang, Sichuan, Hubei.Wherein, the horizontal well logging conveying device of Shandong Rongxing Petroleum Engineering Co., Ltd.'s development, primarily of water injection pipe, oil pipe, sleeve pipe, well logging apparatus, water pump, screen casing, outlet pipe composition, oil well internal fixtion has sleeve pipe, oil pipe is placed in sleeve pipe, the top of oil pipe is connected with screen casing, and well logging apparatus is connected with cable, is positioned in oil pipe; The ground segment of oil pipe is sealing, and is provided with water injection pipe, and water injection pipe is connected with water pump, and sleeve pipe is provided with outlet pipe near ground place; The top closure of screen casing, pipe has some sieve apertures.The mechanical protector of logging instrument for horizontal well of Drilling Tech. Inst., Shengli Petroleum Administration's invention, can send logger into down-hole with rigidity tubing strings such as drill strings, effectively realize the well logging of horizontal well.This device is made up of protection of instrumentation cover (comprising two pipe nipples and box cupling), guide shoe, elastic locking device and rigid centralizer etc.Its feature is that this device can arrive detected part top with under drill string lower going-into-well in advance, logger entirety is then allowed to enter this device through the inner hydrophthalmia of drill string and lock, carry logger advance by removing of drilling rod or exit, to enroll well-log information.Oil production technology academy of Jilin Oil Field company Sun Aijun, according to the feature of Horizontal Well body structure and logging technique, adopts coiled tubing transmission technology, downhole instrument is delivered to measuring well section, reach the object of horizontal well being carried out to intake profile test.
Find the documents of ground in the conveying of horizontal well tester such as the U.S., Russia, Canada abroad.Wherein, Canadian NUTHDAVID have developed a kind of use coiled rod in pit shaft, carry instrument equipment and method.Russia OOOKUB have developed a kind of horizontal well tester conveying device, comprises the cylinder that embedded in support and boost motor.The carrying method of the horizontal well downhole tool that U.S. SCHLUMBERGERTECHNOLOGYCORP develops, comprise the mounted arc-shaped surface of a pair key, by skew, the curved surface of circular arc can both with borehole wall seamless link, meanwhile, the transmission device of work also can be connected with arc surface.Method geophysics tester being delivered to net horizontal section of Russia GAKTSIONERNAJANPROIZV exploitation.Geology detecting equipment is put into well, and it is mechanically connected to the top of first oil pipe, and end is connected to a cable.
Summary of the invention
The object of the invention is: a kind of horizontal well bar conveying well measuring technique rod tube post and logging method are provided, realize horizontal well bar conveying well measuring.
The technical solution used in the present invention is:
A kind of horizontal well bar conveying well measuring technique rod tube post, is made up of the first horizontal well bar conveying well measuring process pipe string I, horizontal well bar conveying well measuring technique roofbolt;
First horizontal well bar conveying well measuring process pipe string I, be made up of oil pipe, tubing centrilizer, screen casing, starting taper, starting taper top connects screen casing, and screen casing top connects oil pipe, and oil pipe receives well head always, and the oil pipe of testing well section is connected to tubing centrilizer; Above-mentioned structure is placed in sleeve pipe;
Horizontal well bar conveying well measuring technique roofbolt, primarily of cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizer composition, downhole instrument top connects flexible nipple, tappet, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer; Cable stube cable head.
A kind of horizontal well bar conveying well measuring technique rod tube post, is made up of the second horizontal well bar conveying well measuring process pipe string II, horizontal well bar conveying well measuring technique roofbolt;
Second horizontal well bar conveying well measuring process pipe string II, be made up of oil pipe, horn mouth, horn mouth top connects oil pipe, and oil pipe receives well head always; Above-mentioned structure is placed in sleeve pipe;
Horizontal well bar conveying well measuring technique roofbolt, primarily of cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizer composition, downhole instrument top connects flexible nipple, tappet, and go up a root elevator bar most and connect cable, downhole instrument two ends are connected to downhole instrument centralizer; Cable stube cable head.
A kind of horizontal well bar conveying well measuring technique rod tube post, is made up of horizontal well bar conveying well measuring technique roofbolt;
Horizontal well bar conveying well measuring technique roofbolt, primarily of cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizer composition, downhole instrument top connects flexible nipple, tappet, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer.
Tappet is primarily of upper connector, cable plug assembly, pressure cap, cable, body, cable socket assembly, lower connector, 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 holding screw, insulation sleeve, public plug conducting ring, public plug stop pin, public plug main body; Public plug main body adds 2 conducting rings and 1 intermediate insulation cover, accurately locates the frame mode be fixedly connected with; After each assembling parts of public plug assembly, inside fills sealing compound solidification;
The cable socket assembly of described horizontal wellbore logging tappet is made up of female stop pin, female conducting ring, dead ring, female main body, sealing and dustproof circle, female pressure cap; Female body interior is adopted to inlay two flexible conducting rings, intermediate insulation ring fixed connection structure form; Component inside fills sealing compound solidification.
The logging method of horizontal well bar conveying well measuring technique rod tube post, containing following steps; First, former well casing post is tripped out, well-flushing, drifting;
Secondly, will enter in sleeve pipe under horizontal well bar conveying well measuring process pipe string: under enter oil pipe, be with oil pipe horn mouth or screen casing and oil pipe starting taper under oil pipe; Under in oil pipe, enter tappet, under tappet, be with logger, go up most and a root elevator bar connects cable head and is connected with cable;
Then, test is transferred with cable;
Finally, cable, tappet, logger is tripped out.
According to a further aspect in the invention, provide a kind of horizontal well bar conveying well measuring technique rod tube post, be arranged in horizontal well, horizontal well has sleeve pipe, horizontal well bar conveying well measuring technique rod tube post comprises: horizontal well bar conveying well measuring technique roofbolt, is arranged in sleeve pipe, and horizontal well bar conveying well measuring technique roofbolt comprises downhole instrument and cable head, downhole instrument is electrically connected with cable head, and cable head is used for being connected with the cable of horizontal well outside.
Further, horizontal well bar conveying well measuring technique roofbolt also comprises: tappet, cable head is electrically connected with downhole instrument by tappet.
Further, tappet comprises: body, has centre bore; For the cable plug assembly be electrically connected with cable head, be arranged on one end near horizontal well well head on body; For the cable socket assembly be electrically connected with downhole instrument, be arranged on one end near downhole instrument on body, cable plug assembly is connected by cable with cable socket assembly.
Further, tappet also comprises: upper connector, and be connected with one end of body, upper connector has centre bore, and cable plug assembly is arranged in the centre bore of connector; Lower connector, is connected with the other end of body, and lower connector has centre bore, and cable socket assembly is arranged in the centre bore of lower connector.
Further, cable plug assembly comprises: public plug main body, is arranged in connector; Public plug conducting ring, is set in public plug main body.
Further, cable socket assembly comprises: female main body, has centre bore, and female main body is arranged in lower connector; Female conducting ring, is arranged in the centre bore of female main body.
Further, horizontal well bar conveying well measuring technique roofbolt also comprises: flexible nipple, one end of flexible nipple is connected with tappet, and the other end of flexible nipple is connected with downhole instrument.
Further, horizontal well bar conveying well measuring technique roofbolt also comprises: for the downhole instrument centralizer of downhole instrument placed in the middle, the two ends of downhole instrument are provided with downhole instrument centralizer.
Further, horizontal well bar conveying well measuring technique rod tube post also comprises: the first horizontal well bar conveying well measuring process pipe string, is arranged in sleeve pipe, and horizontal well bar conveying well measuring technique roofbolt is arranged in the first horizontal well bar conveying well measuring process pipe string.
Further, the first horizontal well bar conveying well measuring process pipe string comprises: oil pipe, is arranged in sleeve pipe, and horizontal well bar conveying well measuring technique roofbolt is arranged in oil pipe.
Further, the first horizontal well bar conveying well measuring process pipe string also comprises: starting taper, is arranged on one end away from horizontal well well head on oil pipe.
Further, the first horizontal well bar conveying well measuring process pipe string also comprises: for the tubing centrilizer of firm oil pipe, be arranged between oil pipe and sleeve pipe.
Further, horizontal well bar conveying well measuring technique rod tube post also comprises: the second horizontal well bar conveying well measuring process pipe string, is arranged in sleeve pipe, and horizontal well bar conveying well measuring technique roofbolt is arranged in sleeve pipe through the second horizontal well bar conveying well measuring process pipe string.
Further, the second horizontal well bar conveying well measuring process pipe string comprises: oil pipe, is arranged in sleeve pipe, and horizontal well bar conveying well measuring technique roofbolt is arranged in sleeve pipe through oil pipe.
Further, oil pipe is horn mouth away from one end of horizontal well well head.
Consulting Fig. 1, when carrying out logging operation, first entering down the first horizontal well bar conveying well measuring process pipe string I, then lower going-into-well bar conveying well measuring technique roofbolt, cable is connected with cable head, adopts cable to remove and tests.
Consulting Fig. 2, when carrying out logging operation, first entering down the second horizontal well bar conveying well measuring process pipe string II, then lower going-into-well bar conveying well measuring technique roofbolt, cable is connected with cable head, adopts cable to remove and tests.
Consult Fig. 3, when carrying out logging operation, lower going-into-well bar conveying well measuring technique roofbolt, cable is connected with cable head, adopts cable to remove and tests.
Beneficial effect of the present invention: adopt horizontal well bar conveying well measuring technique rod tube post, carry out horizontal wellbore logging, realize cable and remove, cost is low, meanwhile, 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 structural representation of the present invention;
Fig. 3 is structural representation of the present invention;
Fig. 4 is tappet structural representation of the present invention;
Fig. 5 is tappet cable plug assembly structure schematic diagram of the present invention;
Fig. 6 is tappet cable socket assembly structure schematic diagram of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
Detailed description of the invention
Obviously, the many modifications and variations that those skilled in the art do based on aim of the present invention belong to protection scope of the present invention.
Embodiment 1: as shown in Figure 1, a kind of horizontal well bar conveying well measuring technique rod tube post, is made up of the first horizontal well bar conveying well measuring process pipe string I, horizontal well bar conveying well measuring technique roofbolt;
First horizontal well bar conveying well measuring process pipe string I, primarily of compositions such as oil pipe 11, tubing centrilizer 3, screen casing 2, starting tapers 1, starting taper 1 top connects screen casing 2, and screen casing 2 top connects oil pipe 11, oil pipe 11 receives well head always, and the oil pipe 11 of testing well section is connected to tubing centrilizer 3;
Horizontal well bar conveying well measuring technique roofbolt, primarily of compositions such as cable head 8, tappet 7, flexible nipple 6, downhole instrument centralizers 5, downhole instrument 4 top connects flexible nipple 6, tappet 7, and go up a root elevator bar 7 most and connect cable head 8, downhole instrument 4 two ends are connected to downhole instrument centralizer 5; Cable 9 stube cable head 8, above-mentioned structure is placed in sleeve pipe 12.
When carrying out logging operation, first enter down the first horizontal well bar conveying well measuring process pipe string I, then under enter horizontal well bar conveying well measuring technique roofbolt, adopt cable 9 to remove and tests.
Embodiment 2: as shown in Figure 2, horizontal well bar conveying well measuring technique rod tube post, is made up of the second horizontal well bar conveying well measuring process pipe string II, horizontal well bar conveying well measuring technique roofbolt;
Second horizontal well bar conveying well measuring process duct II, form primarily of oil pipe 11, horn mouth 10, horn mouth 10 top connects oil pipe 11, and oil pipe 11 receives well head always;
Horizontal well bar conveying well measuring technique roofbolt, primarily of compositions such as cable head 8, tappet 7, flexible nipple 6, downhole instrument centralizers 5, downhole instrument 4 top connects flexible nipple 6, tappet 7, and go up a root elevator bar 7 most and connect cable head 8, downhole instrument 4 two ends are connected to downhole instrument centralizer 5; Cable 9 stube cable head 8, above-mentioned structure is placed in sleeve pipe 12.
When carrying out logging operation, first enter down the second horizontal well bar conveying well measuring process pipe string II, then under enter horizontal well bar conveying well measuring technique roofbolt, adopt cable 9 to remove and tests.
Embodiment 3: as shown in Figure 3, horizontal well bar conveying well measuring technique rod tube post, is made up of horizontal well bar conveying well measuring technique roofbolt;
Horizontal well bar conveying well measuring technique roofbolt, primarily of compositions such as cable head 8, tappet 7, flexible nipple 6, downhole instrument centralizers 5, downhole instrument 4 top connects flexible nipple 6, tappet 7, and go up a root elevator bar 7 most and connect cable head 8, downhole instrument 4 two ends are connected to downhole instrument centralizer 5;
When carrying out logging operation, under enter horizontal well bar conveying well measuring technique roofbolt, cable 9 is connected with cable head 8, adopts and pulls cable 9 to remove to test.
Embodiment 4:
As shown in Figure 4, 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
1/
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
1/
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 5, 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 6, 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.
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 (15)
1. a horizontal well bar conveying well measuring technique rod tube post, is characterized in that:
Be made up of the first horizontal well bar conveying well measuring process pipe string, horizontal well bar conveying well measuring technique roofbolt;
First horizontal well bar conveying well measuring process pipe string, be made up of oil pipe, tubing centrilizer, screen casing, starting taper, starting taper top connects screen casing, and screen casing top connects oil pipe, and oil pipe receives well head always, and the oil pipe of testing well section is connected to tubing centrilizer; Above-mentioned structure is placed in sleeve pipe;
Horizontal well bar conveying well measuring technique roofbolt, primarily of cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizer composition, downhole instrument top connects flexible nipple, tappet, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer; Cable stube cable head.
2. a horizontal well bar conveying well measuring technique rod tube post, is characterized in that:
Be made up of the second horizontal well bar conveying well measuring process pipe string, horizontal well bar conveying well measuring technique roofbolt;
Second horizontal well bar conveying well measuring process pipe string, be made up of oil pipe, horn mouth, horn mouth top connects oil pipe, and oil pipe receives well head always; Above-mentioned structure is placed in sleeve pipe;
Horizontal well bar conveying well measuring technique roofbolt, primarily of cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizer composition, downhole instrument top connects flexible nipple, tappet, and go up a root elevator bar most and connect cable, downhole instrument two ends are connected to downhole instrument centralizer; Cable stube cable head.
3. a horizontal well bar conveying well measuring technique rod tube post, is characterized in that:
Be made up of horizontal well bar conveying well measuring technique roofbolt;
Horizontal well bar conveying well measuring technique roofbolt, primarily of cable head, tappet, flexible nipple, downhole instrument, downhole instrument centralizer composition, downhole instrument top connects flexible nipple, tappet, and go up a root elevator bar most and connect cable head, downhole instrument two ends are connected to downhole instrument centralizer.
4. a kind of horizontal well bar conveying well measuring technique rod tube post according to claim 1,2 or 3, it is characterized in that: tappet is primarily of upper connector, cable plug assembly, pressure cap, cable, body, cable socket assembly, lower connector, 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 holding screw, insulation sleeve, public plug conducting ring, public plug stop pin, public plug main body; Public plug main body adds 2 conducting rings and 1 intermediate insulation cover, accurately locates the frame mode be fixedly connected with; After each assembling parts of public plug assembly, inside fills sealing compound solidification;
The cable socket assembly of described horizontal wellbore logging tappet is made up of female stop pin, female conducting ring, dead ring, female main body, sealing and dustproof circle, female pressure cap; Female body interior is adopted to inlay two flexible conducting rings, intermediate insulation ring fixed connection structure form; Component inside fills sealing compound solidification.
5. use the logging method of the horizontal well bar conveying well measuring technique rod tube post of claim 1 to 4 any one, it is characterized in that containing following steps:
First, former well casing post is tripped out, well-flushing, drifting;
Secondly, will enter in sleeve pipe under horizontal well bar conveying well measuring process pipe string: under enter oil pipe, be with oil pipe horn mouth or screen casing and oil pipe starting taper under oil pipe; Under in oil pipe, enter tappet, under tappet, be with logger, go up most and a root elevator bar connects cable head and is connected with cable;
Then, test is transferred with cable;
Finally, cable, tappet, logger is tripped out.
6. a horizontal well bar conveying well measuring technique rod tube post, is arranged in horizontal well, and described horizontal well has sleeve pipe (12), it is characterized in that, described horizontal well bar conveying well measuring technique rod tube post comprises:
Horizontal well bar conveying well measuring technique roofbolt, be arranged in described sleeve pipe (12), described horizontal well bar conveying well measuring technique roofbolt comprises downhole instrument (4) and cable head (8), described downhole instrument (4) is electrically connected with described cable head (8), and described cable head (8) is for being connected with the cable of described horizontal well outside.
7. horizontal well bar conveying well measuring technique rod tube post according to claim 6, is characterized in that, described horizontal well bar conveying well measuring technique roofbolt also comprises:
Tappet (7), described cable head (8) is electrically connected with described downhole instrument (4) by described tappet (7).
8. horizontal well bar conveying well measuring technique rod tube post according to claim 7, it is characterized in that, described tappet (7) comprising:
Body (406), has centre bore;
For the cable plug assembly (403) be electrically connected with described cable head (8), be arranged on the upper one end near described horizontal well well head of described body (406);
For the cable socket assembly (407) be electrically connected with described downhole instrument (4), be arranged on the upper one end near described downhole instrument (4) of described body (406), described cable plug assembly (403) is connected by cable (405) with described cable socket assembly (407).
9. horizontal well bar conveying well measuring technique rod tube post according to claim 8, it is characterized in that, described tappet (7) also comprises:
Upper connector (402), be connected with one end of described body (406), described upper connector (402) has centre bore, and described cable plug assembly (403) is arranged in the centre bore of described upper connector (402);
Lower connector (408), be connected with the other end of described body (406), described lower connector (408) has centre bore, and described cable socket assembly (407) is arranged in the centre bore of described lower connector (408).
10. horizontal well bar conveying well measuring technique rod tube post according to claim 9, it is characterized in that, described cable plug assembly (403) comprising:
Public plug main body (40305), is arranged in described upper connector (402);
Public plug conducting ring (40303), is set on described public plug main body (40305).
11. horizontal well bar conveying well measuring technique rod tube posts according to claim 9, it is characterized in that, described cable socket assembly (407) comprising:
Female main body (40704), has centre bore, and described female main body (40704) is arranged in described lower connector (408);
Female conducting ring (40702), is arranged in the centre bore of described female main body (40704).
12. horizontal well bar conveying well measuring technique rod tube posts according to claim 7, it is characterized in that, described horizontal well bar conveying well measuring technique roofbolt also comprises:
Flexible nipple (6), one end of described flexible nipple (6) is connected with described tappet (7), and the other end of described flexible nipple (6) is connected with described downhole instrument (4).
13. horizontal well bar conveying well measuring technique rod tube posts according to claim 6, it is characterized in that, described horizontal well bar conveying well measuring technique roofbolt also comprises:
For the downhole instrument centralizer (5) of described downhole instrument (4) placed in the middle, the two ends of described downhole instrument (4) are provided with described downhole instrument centralizer (5).
14. horizontal well bar conveying well measuring technique rod tube posts according to any one of claim 6 to 13, it is characterized in that, described horizontal well bar conveying well measuring technique rod tube post also comprises:
First horizontal well bar conveying well measuring process pipe string, is arranged in described sleeve pipe (12), and described horizontal well bar conveying well measuring technique roofbolt is arranged in described first horizontal well bar conveying well measuring process pipe string.
15. horizontal well bar conveying well measuring technique rod tube posts according to claim 14, it is characterized in that, described first horizontal well bar conveying well measuring process pipe string comprises:
Oil pipe (11), is arranged in described sleeve pipe (12), and described horizontal well bar conveying well measuring technique roofbolt is arranged in described oil pipe (11).
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| CN105089622B (en) | 2018-05-04 |
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