CN117588199A - Tension headstall for well logging - Google Patents
Tension headstall for well logging Download PDFInfo
- Publication number
- CN117588199A CN117588199A CN202410070060.4A CN202410070060A CN117588199A CN 117588199 A CN117588199 A CN 117588199A CN 202410070060 A CN202410070060 A CN 202410070060A CN 117588199 A CN117588199 A CN 117588199A
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- annular
- ring
- sliding grooves
- tension
- shrinkage
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- 230000008093 supporting effect Effects 0.000 claims description 31
- 238000007790 scraping Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Abstract
The invention is suitable for the technical field of petroleum well logging, and provides a tension headstock for well logging, which comprises a main body, wherein a torpedo connector is arranged at the top of the main body, a lower connector is arranged at the bottom of the main body, a lower protective cap is fixedly arranged at the bottom of the lower connector, the interior of the lower connector is hollow, a breaking ring is arranged in the lower connector, an annular groove is formed in the outer surface of the lower connector and communicated with the interior of the lower connector, the outer ring of the breaking ring extends out of the outer side of the lower connector through the annular groove and slides in the annular groove, and the friction layer is arranged outside the breaking ring.
Description
Technical Field
The invention relates to the technical field of petroleum logging, in particular to a tension headstall for logging.
Background
The tension headstall is applied to the equipment for carrying out parameter measurement by matching with other logging instruments in logging engineering, and the existing tension headstall mainly comprises a torpedo connector, a fishing head, a sealing connector, a safety, a tension rod and a tension detection component.
At present, when the tension headstock stretches into the petroleum well, the condition that the tension headstock is blocked in the well can not appear, when the tension headstock is blocked in the well, the mechanical pulling force that the test winch provided is generally utilized to make the logging cable break at the card awl department, realize the separation of logging cable and logging cable tension headstock, reuse slips overshot is with the tension headstock lift out that blocks, the mode needs more step of spending to lift out the tension headstock in the well after the tension headstock blocks, the efficiency and the speed of tension headstock when detecting the petroleum well have been reduced, simultaneously because the separation of logging cable and logging cable tension headstock is needed after blocking, the problem that the damage can appear in the tension detection part of the tension headstock can not be avoided like this, thereby can influence the use of later stage tension headstock.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a rotary breaking ring which can break a barrier in a well, so that the problem that a logging cable is pulled to be broken when the instrument is pulled upwards is avoided as much as possible.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a tension headstock for logging, includes the main part, the torpedo connector is installed at the top of main part, and the lower clutch is installed to the bottom of main part, and the bottom fixed mounting of lower clutch has lower protective cap, the inside cavity that is of lower clutch is equipped with in the lower clutch and breaks the ring, and the ring channel has been seted up to the surface of lower clutch to the ring channel is linked together with the lower clutch is inside, breaks the outer lane that the ring extends the outside of lower clutch through the ring channel to slide in the ring channel, the outer lane of lower clutch is equipped with the friction layer, breaks the inner circle of ring and installs and be annular internal tooth, and the diapire of lower clutch rotates and is connected with the connecting axle, and the fixed cover of surface of connecting axle is equipped with control gear, and control gear is connected with the internal tooth meshing in the broken ring.
The invention is further provided with: the bottom wall fixed mounting of lower clutch has servo motor, and the fixed cover is equipped with first belt pulley on the connecting axle, fixedly connected with second belt pulley on servo motor's the output shaft, and the transmission is connected with drive belt between first belt pulley and the second belt pulley.
The invention is further provided with: a plurality of fixing rods are fixedly arranged between the inner walls of the upper side and the lower side of the lower joint.
The invention is further provided with: annular sliding grooves are formed in the inner walls of the upper side and the lower side of the annular groove, annular sliding blocks are fixedly connected to the surfaces of the upper side and the lower side of the breaking ring, the other side of each annular sliding block extends into each annular sliding groove and slides in each annular sliding groove, and sealing rubber rings are fixedly sleeved on the outer surfaces of the annular sliding blocks.
The invention is further provided with: the annular sliding block is provided with a plurality of supporting rods on one side opposite to the breaking ring, the other ends of the supporting rods are fixedly connected with U-shaped frames, pulleys are rotatably connected between two vertical plates of the U-shaped frames, and the other sides of the pulleys are in contact with the inner wall of the annular sliding groove and slide along the inner wall of the annular sliding groove.
The invention is further provided with: the outer surface of the breaking ring is provided with a plurality of shrinkage sliding grooves, the number of the shrinkage sliding grooves is the same as that of the supporting rods, the shrinkage sliding grooves and the supporting rods are in the same horizontal position, an extension scraping plate is arranged in each shrinkage sliding groove, and the extension scraping plate is matched with the inside of each shrinkage sliding groove and slides in the corresponding shrinkage sliding groove.
The invention is further provided with: the lower extreme of bracing piece runs through in the shrink spout, and the lower extreme fixed mounting of bracing piece has first articulated seat, and the extension scraper blade is towards one side surface fixed mounting of bracing piece has the articulated seat of second, rotates between first articulated seat and the articulated seat of second and is connected with the rotation push pedal, bracing piece and annular slider and break the intra-annular wall slip.
The invention is further provided with: the annular chute is kept away from a plurality of arc-shaped protruding blocks fixedly mounted on the inner wall of one side of the annular chute, and the pulleys are contacted with the arc-shaped faces of the arc-shaped protruding blocks and slide on the arc-shaped faces of the arc-shaped protruding blocks.
The invention is further provided with: and a supporting spring is fixedly arranged between the U-shaped frame and the annular sliding block, and the supporting spring is movably sleeved on the outer surface of the supporting rod.
The invention has the advantages that:
(1) The tension headstall for well logging only needs to be started by the servo motor, the second belt pulley can be synchronously driven to rotate, the second belt pulley can drive the first belt pulley to rotate through the transmission belt, and therefore the control connecting shaft is controlled to rotate, the control gear can synchronously engage with the transmission to break the ring to rotate, meanwhile, the break ring slides in the annular groove, and the friction layer is arranged outside the break ring, so that the rotary break ring can break the barrier in the well, the problem that a well logging cable is pulled to be broken when the instrument is pulled upwards is avoided as much as possible, when the instrument is clamped underground by adopting the method, a slip socket is not needed, the operation step of the instrument in the test is reduced, and the use effect of the instrument is further improved.
(2) The tension headstall for well logging has the advantages that the annular sliding block can form a limiting effect on the broken ring, the problem of deviation in broken ring rotation can be avoided as much as possible, meanwhile, the sealing rubber ring increases the sealing performance between the annular sliding block and the annular sliding groove, the situation that sediment in a well enters the lower connector when the instrument falls down is avoided as much as possible, and the overall sealing performance of the lower connector is guaranteed.
(3) The tension headstall for well logging has the advantages that the pulley can form a supporting effect on the broken ring, the friction force generated when the annular sliding block slides in the annular sliding groove can be reduced, and the stability and fluency of the sliding of the annular sliding block are further guaranteed.
(4) This tension headstock for logging when breaking the ring at rotatory in-process, the pulley can slide in annular spout in step, when the pulley slides to the arc lug on, the bracing piece receives the arc lug extrusion for the bracing piece can form thrust to the rotation push pedal in to shrink spout displacement, rotate the push pedal like this and can form thrust to the extension scraper blade, thereby release the extension scraper blade shrink spout, adopt this kind of mode to make when breaking the ring at rotatory, the extension scraper blade can break the lug that blocks this instrument fast, further improved the efficiency when this tension headstock breaks and blocks the state.
Drawings
FIG. 1 is a schematic diagram of a tension bridle for well logging according to the present invention;
FIG. 2 is a schematic cross-sectional view of a lower joint of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a partial side plan view of the tamper ring of the present invention;
fig. 5 is a schematic cross-sectional top view of the lower joint of the present invention.
In the figure: 1. a main body; 2. a torpedo connector; 3. a lower joint; 4. a lower protective cap; 5. breaking the ring; 6. an annular groove; 7. a fixed rod; 8. internal tooth teeth; 9. a connecting shaft; 10. a control gear; 11. a first pulley; 12. a servo motor; 13. a second pulley; 14. a drive belt; 15. an annular slide block; 16. an annular chute; 17. a support rod; 18. a U-shaped frame; 19. a pulley; 20. a support spring; 21. contracting the chute; 22. an extension scraper; 23. a first hinge base; 24. the second hinge seat; 25. rotating the push plate; 26. arc-shaped protruding blocks.
Detailed Description
It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present invention, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.
Example 1: referring to fig. 1-2, the present invention provides the following technical solutions:
the utility model particularly relates to a tension headstall for logging, including main part 1, torpedo connector 2 is installed at the top of main part 1, be used for the cable to connect the first link that torpedo and instrument are connected in the pit soon, there are parts such as anti-rotation keyway on torpedo connector 2, screw thread, shell, guarantee the sealed insulation of torpedo inner chamber after the connection, lower clutch 3 is installed to the bottom of main part 1, lower clutch 3's bottom fixed mounting has lower protection cap 4, be used for forming effectual protection effect to its bottom to this tension headstall whereabouts in-process, avoided the problem that damage appears in the striking to the tension headstall bottom as far as possible.
Specifically, the lower joint 3 is hollow, a breaking ring 5 is arranged in the lower joint 3, an annular groove 6 is formed on the outer surface of the lower joint 3 and is communicated with the interior of the lower joint 3, the outer ring of the breaking ring 5 extends out of the lower joint 3 through the annular groove 6 and slides in the annular groove 6, a friction layer is arranged on the outer ring of the lower joint 3, annular inner teeth 8 are arranged on the inner ring of the breaking ring 5, a connecting shaft 9 is rotatably connected to the bottom wall of the lower joint 3, a control gear 10 is fixedly sleeved on the outer surface of the connecting shaft 9, the control gear 10 is meshed with the inner teeth 8 in the breaking ring 5, a servo motor 12 is fixedly arranged on the bottom wall of the lower joint 3, a first belt pulley 11 is fixedly sleeved on the connecting shaft 9, a second belt pulley 13 is fixedly connected to the output shaft of the servo motor 12, a transmission belt 14 is connected between the first belt pulley 11 and the second belt pulley 13, because the structure is arranged in the lower joint 3 at the bottom, when the tension headstock is clamped in the falling test process in a well, the lower joint 3 at the bottom is firstly contacted with a blocking object in the well, only the servo motor 12 is needed to start the tension headstock, the second belt pulley 13 can be synchronously driven to rotate, the second belt pulley 13 can drive the first belt pulley 11 to rotate through the transmission belt 14, thus the rotation of the control connecting shaft 9 is achieved, the control gear 10 can synchronously engage and drive the breaking ring 5 to rotate, meanwhile, the breaking ring 5 slides in the annular groove 6, the friction layer is arranged outside the breaking ring 5, the blocking object in the well can be broken by the rotating breaking ring 5, the problem that a logging cable is pulled to break when the instrument is pulled upwards is avoided as much as possible, the slip overshot or the two-ball overshot is not needed, the operation steps of the instrument during testing are reduced, and the using effect of the instrument is further improved.
Specifically, a plurality of fixing rods 7 are fixedly arranged between the inner walls of the upper side and the lower side of the lower connector 3 and used for fixing the integral strength of the lower connector 3, so that the problem that the upper side and the lower side of the lower connector 3 are separated due to the fact that the annular groove 6 is formed in the lower connector 3 is avoided as much as possible.
Example 2: referring to fig. 2-3, in the second embodiment, the inner walls of the upper and lower sides of the annular groove 6 are provided with annular sliding grooves 16, the surfaces of the upper and lower sides of the breaking ring 5 are fixedly connected with annular sliding blocks 15, the other side of the annular sliding blocks 15 extends into the annular sliding grooves 16 and slides in the annular sliding grooves 16, and sealing rubber rings are fixedly sleeved on the outer surfaces of the annular sliding blocks 15, so that when the breaking ring 5 slides in the annular groove 6, the annular sliding blocks 15 synchronously slide in the annular sliding grooves 16, a limiting effect is formed on the breaking ring 5 by the annular sliding blocks 15, the problem of deviation when the breaking ring 5 rotates can be avoided as much as possible, and meanwhile, the sealing rubber rings increase the tightness between the annular sliding blocks 15 and the annular sliding grooves 16, so that sediment in a well enters into the lower connector 3 when the instrument falls down can be avoided as much as possible, and the overall tightness of the lower connector 3 is ensured.
Specifically, one side of annular sliding block 15 facing away from ring 5 is equipped with a plurality of bracing pieces 17, and the other end fixedly connected with U type frame 18 of bracing piece 17 rotates between two risers of U type frame 18 to be connected with pulley 19, and pulley 19's opposite side and the contact of annular spout 16 inner wall to slide along annular spout 16 inner wall, can form the supporting effect to ring 5 by pulley 19 like this, can reduce the frictional force that annular sliding block 15 produced when annular sliding block 16 slides in, stability and smoothness when further ensured annular sliding block 15 to slide.
Example 3: referring to fig. 3-5, the third embodiment is a corresponding improvement on the basis of the first embodiment and the second embodiment, specifically, a plurality of shrinkage sliding grooves 21 are formed on the outer surface of the breaking ring 5, the number of shrinkage sliding grooves 21 is the same as that of the supporting rods 17, and the shrinkage sliding grooves 21 are positioned at the same horizontal position as that of the supporting rods 17, extension scraping plates 22 are arranged in the shrinkage sliding grooves 21, the extension scraping plates 22 are matched with the shrinkage sliding grooves 21 and slide in the shrinkage sliding grooves 21, the lower ends of the supporting rods 17 slide through the shrinkage sliding grooves 21, a first hinge seat 23 is fixedly arranged at the lower ends of the supporting rods 17, a second hinge seat 24 is fixedly arranged on the surface of one side of the extension scraping plates 22 facing the supporting rods 17, a rotary pushing plate 25 is rotatably connected between the first hinge seat 23 and the second hinge seat 24, a supporting spring 20 is fixedly arranged between the U-shaped frame 18 and the annular sliding block 15, the supporting spring 20 is movably sleeved on the outer surface of the supporting rod 17, when the supporting spring 20 is not affected by pressure, the supporting spring 20 can form thrust to the U-shaped frame 18, so that the initial position of the U-shaped frame 18 is one side far away from the annular sliding block 15, meanwhile, the pulley 19 is contacted with the inner wall of the annular sliding groove 16, a plurality of arc-shaped protruding blocks 26 are fixedly arranged on the inner wall of one side of the annular sliding groove 16 far away from the annular sliding block 15, the number of the arc-shaped protruding blocks 26 is not limited in number according to practical conditions, the pulley 19 is contacted with the arc-shaped surface of the arc-shaped protruding blocks 26 and slides on the arc-shaped surface of the arc-shaped protruding blocks 26, when the breaking ring 5 rotates, the pulley 19 can synchronously slide in the annular sliding groove 16, when the pulley 19 slides onto the arc-shaped protruding blocks 26, the supporting rod 17 is extruded by the arc-shaped protruding blocks 26, so that the supporting rod 17 moves towards the shrinkage sliding groove 21, and simultaneously forms thrust to the rotating pushing plate 25, thus, the push plate 25 can be rotated to form a pushing force on the extension scraper 22, so that the extension scraper 22 is pushed out of the shrinkage chute 21, and in this way, when the breaking ring 5 rotates, the extension scraper 22 can quickly break the bump which is used for clamping the instrument, and the efficiency of the tension bridle in breaking the clamping state is further improved.
The working principle of the tension headstall for well logging provided by the invention is as follows: the first step, when the tension headstall is blocked in the falling test process in the well, the lower joint 3 at the bottom of the tension headstall is firstly contacted with a barrier in the well, at the moment, only the servo motor 12 is needed to start, the second belt pulley 13 can be synchronously driven to rotate, the second belt pulley 13 can drive the first belt pulley 11 to rotate through the driving belt 14, thus the rotation of the connecting shaft 9 is controlled, the control gear 10 can synchronously engage and drive the breaking ring 5 to rotate, meanwhile, the breaking ring 5 slides in the annular groove 6, and the friction layer is arranged outside the breaking ring 5, so that the rotating breaking ring 5 can break the barrier in the well;
in the second step, when the breaking ring 5 rotates, the pulley 19 can synchronously slide in the annular chute 16, and when the pulley 19 slides onto the arc-shaped protruding block 26, the supporting rod 17 is extruded by the arc-shaped protruding block 26, so that the supporting rod 17 moves towards the inside of the shrinkage chute 21, and meanwhile, a pushing force is formed on the rotating pushing plate 25, so that the rotating pushing plate 25 can form a pushing force on the extension scraping plate 22, and the extension scraping plate 22 is pushed out of the shrinkage chute 21, and meanwhile, the supporting spring 20 is stressed to shrink, so that the pushed extension scraping plate 22 can quickly break the part of the tension headstock.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a tension headstall for logging, includes main part (1), torpedo connector (2) are installed at the top of main part (1), and lower connector (3) are installed to the bottom of main part (1), and lower protection cap (4), its characterized in that are installed to the bottom fixed mounting of lower connector (3): the inside of the lower joint (3) is hollow, a breaking ring (5) is arranged in the lower joint (3), an annular groove (6) is formed in the outer surface of the lower joint (3), the annular groove (6) is communicated with the inside of the lower joint (3), the outer ring of the breaking ring (5) extends out of the outer side of the lower joint (3) through the annular groove (6) and slides in the annular groove (6), a friction layer is arranged on the outer ring of the lower joint (3), an annular inner tooth (8) is arranged on the inner ring of the breaking ring (5), a connecting shaft (9) is rotatably connected to the bottom wall of the lower joint (3), a control gear (10) is fixedly sleeved on the outer surface of the connecting shaft (9), and the control gear (10) is in meshed connection with the inner tooth (8) in the breaking ring (5);
annular sliding grooves (16) are formed in the inner walls of the upper side and the lower side of the annular groove (6), annular sliding blocks (15) are fixedly connected to the surfaces of the upper side and the lower side of the breaking ring (5), the other side of the annular sliding blocks (15) extends into the annular sliding grooves (16) and slides in the annular sliding grooves (16), sealing rubber rings are fixedly sleeved on the outer surfaces of the annular sliding blocks (15), a plurality of supporting rods (17) are arranged on one side, opposite to the breaking ring (5), of the annular sliding blocks (15), U-shaped frames (18) are fixedly connected to the other ends of the supporting rods (17), pulleys (19) are rotatably connected between two vertical plates of the U-shaped frames (18), the other side of each pulley (19) is in contact with the inner wall of the annular sliding groove (16) and slides along the inner wall of the annular sliding groove (16), a plurality of shrinkage sliding grooves (21) are formed in the outer surfaces of the breaking ring (5), the number of the shrinkage sliding grooves (21) is identical to that of the supporting rods (17) and is located at the same horizontal position as the supporting rods (17), extension scraping plates (22) are arranged in the shrinkage sliding grooves (21), the extension scraping plates (22) are matched with the shrinkage sliding grooves (21) and extend into the shrinkage sliding grooves (21), the shrinkage scraping plates (21) and penetrate through the lower ends of the shrinkage sliding grooves (21) and penetrate through the first hinge joint ends (23), one side surface fixed mounting that extension scraper blade (22) faced bracing piece (17) has second articulated seat (24), it is connected with rotation push pedal (25) to rotate between first articulated seat (23) and the second articulated seat (24), bracing piece (17) and annular slider (15) and break ring (5) inner wall slip, fixed mounting has a plurality of arc lug (26) on one side inner wall that annular slider (15) were kept away from to annular spout (16), pulley (19) and arc lug (26) arcwall face contact to slip on arc lug (26) arcwall face.
2. A tension bridle for well logging according to claim 1, wherein: the bottom wall fixed mounting of lower clutch (3) has servo motor (12), and fixed cover is equipped with first belt pulley (11) on connecting axle (9), and fixedly connected with second belt pulley (13) on the output shaft of servo motor (12), transmission between first belt pulley (11) and second belt pulley (13) is connected with driving belt (14).
3. A tension bridle for well logging according to claim 1, wherein: a plurality of fixing rods (7) are fixedly arranged between the inner walls of the upper side and the lower side of the lower joint (3).
4. A tension bridle for well logging according to claim 1, wherein: a supporting spring (20) is fixedly arranged between the U-shaped frame (18) and the annular sliding block (15), and the supporting spring (20) is movably sleeved on the outer surface of the supporting rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410070060.4A CN117588199B (en) | 2024-01-18 | 2024-01-18 | Tension headstall for well logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410070060.4A CN117588199B (en) | 2024-01-18 | 2024-01-18 | Tension headstall for well logging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117588199A true CN117588199A (en) | 2024-02-23 |
| CN117588199B CN117588199B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410070060.4A Active CN117588199B (en) | 2024-01-18 | 2024-01-18 | Tension headstall for well logging |
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| Country | Link |
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| CN (1) | CN117588199B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697641A (en) * | 1985-04-15 | 1987-10-06 | Halliburton Company | Sinker bar assembly |
| SU1730441A1 (en) * | 1988-04-21 | 1992-04-30 | Западно-Сибирский научно-исследовательский и проектно-конструкторский институт технологии глубокого разведочного бурения | Well logging tool |
| US6257339B1 (en) * | 1999-10-02 | 2001-07-10 | Weatherford/Lamb, Inc | Packer system |
| CN2663654Y (en) * | 2003-12-20 | 2004-12-15 | 辽河油田裕隆实业总公司 | Dual fail-safe bridle of insulation and pulling apart |
| WO2012161854A2 (en) * | 2011-05-23 | 2012-11-29 | Exxonmobil Upstream Research Company | Safety system for autonomous downhole tool |
| CN202767972U (en) * | 2012-09-27 | 2013-03-06 | 宋胜利 | Novel well-logging bridle directly connected with torpedo |
| CN203271721U (en) * | 2013-06-04 | 2013-11-06 | 刘刚 | Multi-function logging bridle device universal for cable and electrode |
| US20190376381A1 (en) * | 2018-06-06 | 2019-12-12 | Schlumberger Technology Corporation | Logging while drilling (lwd) mechanical calipers |
-
2024
- 2024-01-18 CN CN202410070060.4A patent/CN117588199B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697641A (en) * | 1985-04-15 | 1987-10-06 | Halliburton Company | Sinker bar assembly |
| SU1730441A1 (en) * | 1988-04-21 | 1992-04-30 | Западно-Сибирский научно-исследовательский и проектно-конструкторский институт технологии глубокого разведочного бурения | Well logging tool |
| US6257339B1 (en) * | 1999-10-02 | 2001-07-10 | Weatherford/Lamb, Inc | Packer system |
| CN2663654Y (en) * | 2003-12-20 | 2004-12-15 | 辽河油田裕隆实业总公司 | Dual fail-safe bridle of insulation and pulling apart |
| WO2012161854A2 (en) * | 2011-05-23 | 2012-11-29 | Exxonmobil Upstream Research Company | Safety system for autonomous downhole tool |
| CN202767972U (en) * | 2012-09-27 | 2013-03-06 | 宋胜利 | Novel well-logging bridle directly connected with torpedo |
| CN203271721U (en) * | 2013-06-04 | 2013-11-06 | 刘刚 | Multi-function logging bridle device universal for cable and electrode |
| US20190376381A1 (en) * | 2018-06-06 | 2019-12-12 | Schlumberger Technology Corporation | Logging while drilling (lwd) mechanical calipers |
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| Publication number | Publication date |
|---|---|
| CN117588199B (en) | 2024-03-15 |
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