CN201567978U - Injection head of coiled tubing - Google Patents
Injection head of coiled tubing Download PDFInfo
- Publication number
- CN201567978U CN201567978U CN2009202776100U CN200920277610U CN201567978U CN 201567978 U CN201567978 U CN 201567978U CN 2009202776100 U CN2009202776100 U CN 2009202776100U CN 200920277610 U CN200920277610 U CN 200920277610U CN 201567978 U CN201567978 U CN 201567978U
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- driven
- fluid cylinder
- drive sprocket
- lower box
- coiled tubing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 30
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 21
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
An injection head of a coiled tubing is applicable to operation construction of coiled tubing used in oil drilling, well repairing or well logging. Output shafts of two hydraulic motors are connected with two drive sprocket shafts through a spline or a flat key and mounted on the two sides of an upper box body; two driven sprockets are positioned below a lower box body; a tension mechanism comprises a tensioning hydraulic cylinder and a hand-operated adjusting screw rod; a chain comprises left and right rows of roller chains including a chain plate, rollers and pin shafts and a grip block with a roller wheel in the middle of the back part; and a clamping device is mainly composed of a clamped beam, a clamping hydraulic cylinder and a clamping shaft. The injection head has the effects of achieving the following functions: descending the well, lifting the coiled tubing and a down-hole tool; controlling the descending and lifting speed of the coiled tubing; bearing the weight of the hung coiled tubing and the down-hole tool; and performing the centering control of the chain.
Description
Technical field
The utility model relates to oil drilling, well workover or logging technique field, manages the land equipment of operation in particularly drilling well, well workover or the well logging construction continuously, is a kind of continuous pipe operation injection head.
Background technology
At present, in recent years, along with oil is managed operation technique developing rapidly at home continuously, the improvement of Work machine equipment is more and more paid attention to managing continuously in each oil field.
Continuous tube injection head is continuously the power nucleus equipment of pipe equipment.It mainly contains following three functions: the one, be the going into the well and tripping out of continuously pipe and downhole tool, and injection force and upper lifting force are provided, overcome gravity, borehole pressure and pit shaft frictional force; The 2nd, control continuous pipe and be lowered to and upward strain speed, reach the rate request under the different work operating mode; The 3rd, the weight of bearing continuous pipe of whole suspension and downhole tool.
The utility model content
The purpose of this utility model provides a kind of continuous tube injection head, by two hydraulic motors, two drive sprockets, two driven sprockets, chain, clamp mechanism, strainer and device for measuring force structures, make the continuous tube injection head dependable performance, convenient for installation and maintenance, improve continuously that pipe injects and on to put forward ability strong.
The technical solution adopted in the utility model is: continuous tube injection head, mainly form by two hydraulic motors, two drive sprockets, two driven sprockets, chain, clamp mechanism, strainer, device for measuring force, casing, framework and bases.Casing is formed by connecting with bolt by upper box and lower box.It is characterized in that:
Two hydraulic motors can both the rotating bi-directional drive.Two hydraulic motor output shaft link to each other with two drive sprocket axles by spline or flat key, two identical drive sprockets and synchromesh gear are connected on two drive sprocket axles by key, and two chain wheel location centerings, two synchromesh gear engagements reach mechanical synchronization.The drive sprocket assembly is fixed on the upper box biside plate by small bearing bracket and big bearing support at the drive sprocket axle two ends, drive sprocket and synchromesh gear are positioned at upper box.Two hydraulic motors are installed in the both sides of upper box respectively.
Be positioned at the below of lower box with corresponding two driven sprockets of two above-mentioned drive sprockets, driven sprocket is installed on the driven chain wheel shaft by bearing, two pairs of adjusting nuts are female with the back of the body about the both sides of driven sprocket are provided with, by adjusting nut and the female fixedly driven sprocket of the back of the body, the centering of realization driven sprocket is regulated and is fixing.
Strainer is made up of tensioning fluid cylinder and manual adjustments screw rod.Strainer is positioned at the two ends of driven chain wheel shaft, and the cylinder body lower end of tensioning fluid cylinder is provided with a semicircle piece that cooperates with the driven chain wheel shaft, cooperates with the driven chain wheel shaft by the semicircle piece to contact, and the piston rod of tensioning fluid cylinder is fixed on the lower box by contiguous block.The manual adjustments screw rod passes the lower box side plate and the driven chain wheel shaft is threaded with the semicircle piece of tensioning fluid cylinder, and a hold-down nut is installed in the lower end of adjusting screw(rod).Can regulate relative position between driven sprocket and the drive sprocket by the tensioning fluid cylinder or by the manual adjustments screw rod, make chain tension.
Drive sprocket is by the chain drive driven sprocket.Chain by carrier bar, roller and bearing pin form about two row roller chains and centre position, the back grip block that has a roller form.The surface configuration of grip block is semicircle, the semicircle of with groove or " V " shape of with groove.Having certain surface configuration on the grip block, is to design according to managing diameter and wall thickness continuously, and two grip blocks can tighten pipe outer wall continuously relatively, and the surface configuration that those of ordinary skill can be finished grip block designs.
Clamp mechanism mainly is made up of clamped beam, clamping fluid cylinder and clamp shaft.The clamped beam that floats is installed on the clamp shaft by axle sleeve, clamps the two ends that fluid cylinder is positioned at clamp shaft.During clamping, clamp fluid cylinder and drive clamp shaft, drive the unsteady loading beam on the clamp shaft, left and right sides loading beam is contacted with the roller at grip block back, promote grip block and clamp pipe continuously.
Force measuring machine is made up of last LOAD CELLS, following LOAD CELLS, crossbeam, lower box and base.Lower box, force measuring machine, base and continuous pipe constitute a dynamometry lever, are measured the injection force and the upper lifting force of continuous pipe respectively by last LOAD CELLS and following LOAD CELLS.Last LOAD CELLS and following LOAD CELLS are positioned at the following rear of injection head.
The positive and negative rotation of hydraulic motor drives the positive and negative rotation of drive sprocket, and the grip block on drive sprocket chain drive-belt and the chain moves up and down, and the continuous pipe that drives clamped condition moves up and down, thereby reaches the purpose of injecting and promoting continuous pipe.Measure the size of pipe injection continuously and upper lifting force by leverage by last LOAD CELLS and following LOAD CELLS.
The continuous tube injection head operating principle:
Inject when managing continuously, start two hydraulic motors 1 and inwardly rotate simultaneously, drive two drive sprockets 2 of drive sprocket axle 22 drives and inwardly rotate, and keep two drive sprockets 2 synchronous by the synchromesh gear 21 that is installed on the drive sprocket axle 22; By chain 4, two driven sprockets 3 that drive sprocket 2 drives the bottom rotate; Adjusting tensioning fluid cylinder 15 or manual adjustments screw rod 16 by in the strainer 6 make chain 4 reach suitable tensile force; Clamp fluid cylinder 14 by regulating, make the grip block 23 on the clamped beam 13 promotion chains 4 clamp pipe continuously,, can reach suitable clamping force by regulating the hydraulic coupling that clamps fluid cylinder 14 according to different well depths and continuous pipe diameter, reaching grip preferably, and reduce damage to continuous pipe; The drive sprocket 2 that inwardly rotates synchronously drives chain 4 and moves downward, and grip block 23 clampings on the chain 4 are managed and driven continuous pipe continuously and together move downward, and realize the injection of continuous pipe; The leverage that last LOAD CELLS 11 on the device for measuring force 7 is formed by lower box 29, crossbeam 34 and base 10 accurately measures the size of injection force.
On when carrying continuous pipe, primer fluid pressure motor 1 drives two drive sprocket axles 22 and drives drive sprockets 2 and outwards rotate simultaneously, keeps two drive sprockets 2 synchronous by the synchromesh gear 21 that is installed on the drive sprocket axle 22; Driven sprocket 3, the operating principle of strainer 6, clamp mechanism 5 are identical when injecting; The drive sprocket 2 that rotates synchronously outwards drives chains 4 and moves upward, and the grip block 23 on the chain 4 clamps to be managed and drive continuous pipe continuously and together move upward, realize continuous pipe on carry; The leverage that following LOAD CELLS 12 on the device for measuring force 7 is formed by lower box 29, crossbeam 34 and base 10 accurately measures the size of upper lifting force.
When strainer 6 is regulated, can carry out relative position between driven sprocket 3 and the drive sprocket 2 by hydraulic system by tensioning fluid cylinder 15, also can be by manual, rotation manual adjusting screw(rod) 16 is regulated, thereby reaches the purpose of tension chain.When mounted, by rotating the left and right adjusting nut 17 on the driven chain wheel shaft 20, regulate the axial location of driven sprocket 3, make the chain 4 that is used for the continuous pipe of clamping between drive sprocket 2 and the driven sprocket 3 keep vertical up and down, to reduce additional load and to the injury of continuous pipe, after adjusting, the back of the body female 18 is fixing about using, and prevents change in the operation.
The beneficial effects of the utility model: the utility model continuous tube injection head, can realize down three functions of continuous pipe: go into the well and trip out continuous pipe and downhole tool; Controlling continuous pipe is lowered to and upward strain speed; Bear the weight that hangs continuously pipe and downhole tool.Have in addition:
Two hydraulic motors of positive and negative rotation are realized synchronously by hydraulic system, utilize to be fixed on two synchromesh gear engagement realization mechanical synchronization on the parallel drive sprocket axle.
Can regulate automatically and manual adjustments screw rod manual adjustments strainer by fluid cylinder.
The leverage of forming by lower box, crossbeam, base and two LOAD CELLSs up and down can accurately be measured injection force and upper lifting force.
Can carry out the centering of chain regulates.
Description of drawings
Fig. 1 a is the utility model continuous tube injection head assembly structure schematic diagram.Fig. 1 b is the left view of Fig. 1 a.
Assembling schematic diagram in Fig. 2 a injection head; Fig. 2 b is the left view of Fig. 2 a.
Fig. 3 is the syndeton schematic diagram of driven sprocket 3 assemblies and strainer 6.
Fig. 4 a is chain 4 structural representations; Fig. 4 b is the reverse side schematic diagram of Fig. 4 a.
Fig. 5 is drive sprocket 2 assembly structure schematic diagrames.
Wherein, 1. hydraulic motor, 2. drive sprocket, 3. driven sprocket, 4. chain, 5. clamp mechanism, 6. strainer, 7. device for measuring force, 8. casing, 9. framework, 10. base, LOAD CELLS on 11., 12. following LOAD CELLS, 13. clamped beams, 14. clamp fluid cylinder, 15. tensioning fluid cylinders, 16. the manual adjustments screw rod, 17. adjusting nuts, 18. back ofs the body are female, 19. bearings, 20. the driven chain wheel shaft, 21. synchromesh gears, 22. drive sprocket axles, 23. grip block, 24. carrier bars, 25. rollers, 26. bearing pin, 27. rollers, 28. upper boxes, 29. lower box, 30. small bearing brackets, 31. big bearing supports, 32. contiguous block, 33. clamp shafts, 34. crossbeams.
The specific embodiment
Embodiment 1: with a continuous tube injection head is example, and utility model is elaborated.
The utility model continuous tube injection head mainly is made up of two hydraulic motors 1, two drive sprockets 2, two driven sprockets 3, chain 4, clamp mechanism 5, strainer 6, device for measuring force 7, casing 8, framework 9 and bases 10.Casing 8 is formed by connecting by upper box 28 and lower box 29 usefulness bolts.
Consult Fig. 5.Two hydraulic motors 1 can both the rotating bi-directional drive.The output shaft of two hydraulic motors 1 links to each other with two drive sprocket axles 22 by spline or flat key, two identical drive sprockets 2 and synchromesh gear 21 are connected on two drive sprocket axles 22 by key, and two chain wheel location centerings, two synchromesh gear 21 engagements reach mechanical synchronization.The drive sprocket assembly is fixed on upper box 28 biside plates by small bearing bracket 30 and big bearing support 31 at the drive sprocket axle two ends, drive sprocket 2 and synchromesh gear 21 are positioned at upper box 28.Two hydraulic motors 1 are installed in the both sides of upper box 28 respectively,
Consult Fig. 2 a and Fig. 2 b.Be positioned at the below of lower box 29 with above-mentioned two drive sprockets, 2 corresponding two driven sprockets 3.Consult Fig. 3.Driven sprocket 3 is installed on the driven chain wheel shaft 20 by bearing 19, and the two pairs of adjusting nuts 17 and the back of the body are female 18 about the both sides of driven sprocket 3 are provided with, and is female 18 by adjusting nut 17 and the back of the body, and the centering of realizing driven sprocket 3 is regulated and be fixing.
Drive sprocket 2 drives driven sprocket 3 by chain 4.Consult Fig. 4 a and Fig. 4 b.Chain 4 is by carrier bar 24, roller 25, bearing pin 26 form about two row roller chains and centre position, the back grip block 23 that has a roller 27 form.The surface configuration of grip block 23 is semicircle, the semicircle of with groove or " V " shape of with groove.Having certain surface configuration on the grip block 23, is to design according to managing diameter and wall thickness continuously, and two grip blocks 23 can tighten pipe outer wall continuously relatively, and the surface configuration that those of ordinary skill can be finished grip block 23 designs.
Consult Fig. 2 a.Clamp mechanism 5 mainly is made up of clamped beam 13, clamping fluid cylinder 14 and clamp shaft 33.The clamped beam 13 that floats is installed on the clamp shaft 33 by axle sleeve, clamps the two ends that fluid cylinder 14 is positioned at clamp shaft 33.During clamping, clamp fluid cylinder 14 and drive clamp shaft 33, drive the unsteady loading beam 13 on the clamp shaft 33, left and right sides loading beam 13 is contacted with the roller 27 at grip block 23 backs, promote grip block 23 and clamp pipe continuously.
Consult Fig. 1 b.Force measuring machine 7 is by last LOAD CELLS 11, following LOAD CELLS 12, crossbeam 34, and lower box 29 and base 10 are formed.Lower box 29, force measuring machine 7, base 10 and continuous pipe constitute a dynamometry lever, are measured the injection force and the upper lifting force of continuous pipe respectively by last LOAD CELLS 11 and following LOAD CELLS 12.Last LOAD CELLS 11 and following LOAD CELLS 12 are positioned at the following rear of injection head.
The s main working parameters of this continuous tube injection head is:
Clamping pipe size range: 11/4 "～11/2 "
Maximum injection force: 60kN
Maximum upper lifting force: 120kN
System pressure: 21MPa
Claims (1)
1. continuous tube injection head, mainly form by two hydraulic motors (1), two drive sprockets (2), two driven sprockets (3), chain (4), clamp mechanism (5), strainer (6), device for measuring force (7), casing (8), framework (9) and base (10), casing (8) is formed by connecting with bolt by upper box (28) and lower box (29), it is characterized in that:
The output shaft of two hydraulic motors (1) links to each other with two drive sprocket axles (22) by spline or flat key, two identical drive sprockets (2) and synchromesh gear (21) are connected on two drive sprocket axles (22) by key, and two chain wheel location centerings, two synchromesh gears (21) engagement; The drive sprocket assembly is fixed on upper box (28) biside plate by small bearing bracket (30) and big bearing support (31) at the drive sprocket axle two ends, drive sprocket (2) and synchromesh gear (21) are positioned at upper box (28), and two hydraulic motors (1) are installed in the both sides of upper box (28) respectively;
Be positioned at the below of lower box (29) with above-mentioned corresponding two driven sprockets of two drive sprockets (2) (3), driven sprocket (3) is installed on the driven chain wheel shaft (20) by bearing (19), the two pairs of adjusting nuts (17) and the back of the body female (18) about the both sides of driven sprocket (3) are provided with are by the fixing driven sprocket (3) of adjusting nut (17) and back of the body mother (18);
Strainer (6) is made up of tensioning fluid cylinder (15) and manual adjustments screw rod (16), strainer (6) is positioned at the two ends of driven chain wheel shaft (20), the cylinder body lower end of tensioning fluid cylinder (15) is provided with a semicircle piece that cooperates with driven chain wheel shaft (20), contact with driven chain wheel shaft (20) cooperation by the semicircle piece, the piston rod of tensioning fluid cylinder (15) is fixed on the lower box (29) by contiguous block (32), manual adjustments screw rod (16) passes lower box (29) side plate and driven chain wheel shaft (20) is threaded with the semicircle piece of tensioning fluid cylinder, and a hold-down nut is installed in the lower end of adjusting screw(rod);
The grip block (23) that two row roller chains and centre position, back had roller (27) about chain (4) was made up of carrier bar (24), roller (25) and bearing pin (26) is formed, and the surface configuration of grip block (23) is semicircle, the semicircle of with groove or " V " shape of with groove;
Clamp mechanism (5) mainly is made up of clamped beam (13), clamping fluid cylinder (14) and clamp shaft (33), and the clamped beam (13) that floats is installed on the clamp shaft (33) by axle sleeve, clamps the two ends that fluid cylinder (14) is positioned at clamp shaft (33);
Force measuring machine (7) is made up of last LOAD CELLS (11), following LOAD CELLS (12), crossbeam (34), lower box (29) and base (10), lower box (29), force measuring machine (7), base (10) and continuous pipe constitute a dynamometry lever, and last LOAD CELLS (11) and following LOAD CELLS (12) are positioned at the following rear of injection head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202776100U CN201567978U (en) | 2009-11-25 | 2009-11-25 | Injection head of coiled tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202776100U CN201567978U (en) | 2009-11-25 | 2009-11-25 | Injection head of coiled tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201567978U true CN201567978U (en) | 2010-09-01 |
Family
ID=42660265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202776100U Expired - Lifetime CN201567978U (en) | 2009-11-25 | 2009-11-25 | Injection head of coiled tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201567978U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052399A (en) * | 2010-12-22 | 2011-05-11 | 中国石油天然气集团公司 | Roller bearing used on injection head |
| CN102155172A (en) * | 2011-03-18 | 2011-08-17 | 烟台杰瑞石油服务集团股份有限公司 | Floating clamping device for injection head of continuous oil pipe |
| CN102996083A (en) * | 2011-09-08 | 2013-03-27 | 四川宏华石油设备有限公司 | Continuous tube injection head |
| CN103339342A (en) * | 2010-09-24 | 2013-10-02 | 美国国民油井华高公司 | Coiled tubular body syringe with anti-skid chain |
| CN103510891A (en) * | 2012-06-19 | 2014-01-15 | 中国石油天然气集团公司 | Injection head driving device for coiled tubing |
| CN104100218A (en) * | 2014-07-28 | 2014-10-15 | 泸州长江石油工程机械有限公司 | Injection head for coiled oil tube |
| CN109826616A (en) * | 2019-03-08 | 2019-05-31 | 新疆华隆油田科技股份有限公司 | Horizontal well drive injection device |
| CN111379519A (en) * | 2018-12-27 | 2020-07-07 | 上海交通大学 | Coiled Tubing Rig Systems for Subsea Environments |
| CN113062698A (en) * | 2021-05-07 | 2021-07-02 | 苗芷芃 | Coiled tubing drilling orientation mechanism for drilling operation and orientation method thereof |
| CN113834655A (en) * | 2020-06-09 | 2021-12-24 | 中国石油天然气集团有限公司 | Device and method for testing service life of roller bearing of coiled tubing injection head |
| CN114484076A (en) * | 2022-01-11 | 2022-05-13 | 深圳海油工程水下技术有限公司 | Tension device |
| CN114812675A (en) * | 2022-04-07 | 2022-07-29 | 三一石油智能装备有限公司 | Injection head monitoring method and system and coiled tubing operation equipment |
-
2009
- 2009-11-25 CN CN2009202776100U patent/CN201567978U/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103339342A (en) * | 2010-09-24 | 2013-10-02 | 美国国民油井华高公司 | Coiled tubular body syringe with anti-skid chain |
| US9458682B2 (en) | 2010-09-24 | 2016-10-04 | National Oilwell Varco, L.P. | Coiled tubing injector with limited slip chains |
| CN103339342B (en) * | 2010-09-24 | 2016-08-17 | 美国国民油井华高公司 | Tubular bodies syringe with the coiling of nonskid chain |
| CN102052399A (en) * | 2010-12-22 | 2011-05-11 | 中国石油天然气集团公司 | Roller bearing used on injection head |
| CN102155172A (en) * | 2011-03-18 | 2011-08-17 | 烟台杰瑞石油服务集团股份有限公司 | Floating clamping device for injection head of continuous oil pipe |
| CN102155172B (en) * | 2011-03-18 | 2013-12-04 | 烟台杰瑞石油服务集团股份有限公司 | Floating clamping device for injection head of continuous oil pipe |
| CN102996083A (en) * | 2011-09-08 | 2013-03-27 | 四川宏华石油设备有限公司 | Continuous tube injection head |
| CN102996083B (en) * | 2011-09-08 | 2014-11-12 | 四川宏华石油设备有限公司 | Continuous tube injection head |
| CN103510891A (en) * | 2012-06-19 | 2014-01-15 | 中国石油天然气集团公司 | Injection head driving device for coiled tubing |
| CN103510891B (en) * | 2012-06-19 | 2016-06-08 | 中国石油天然气集团公司 | A kind of connecting pipes injection head driving device |
| CN104100218B (en) * | 2014-07-28 | 2016-09-07 | 泸州长江石油工程机械有限公司 | Injection head for coiled tubing |
| CN104100218A (en) * | 2014-07-28 | 2014-10-15 | 泸州长江石油工程机械有限公司 | Injection head for coiled oil tube |
| CN111379519A (en) * | 2018-12-27 | 2020-07-07 | 上海交通大学 | Coiled Tubing Rig Systems for Subsea Environments |
| CN109826616A (en) * | 2019-03-08 | 2019-05-31 | 新疆华隆油田科技股份有限公司 | Horizontal well drive injection device |
| CN113834655A (en) * | 2020-06-09 | 2021-12-24 | 中国石油天然气集团有限公司 | Device and method for testing service life of roller bearing of coiled tubing injection head |
| CN113834655B (en) * | 2020-06-09 | 2024-05-28 | 中国石油天然气集团有限公司 | Device and method for testing life of roller bearing of continuous pipe injection head |
| CN113062698A (en) * | 2021-05-07 | 2021-07-02 | 苗芷芃 | Coiled tubing drilling orientation mechanism for drilling operation and orientation method thereof |
| CN114484076A (en) * | 2022-01-11 | 2022-05-13 | 深圳海油工程水下技术有限公司 | Tension device |
| CN114812675A (en) * | 2022-04-07 | 2022-07-29 | 三一石油智能装备有限公司 | Injection head monitoring method and system and coiled tubing operation equipment |
| CN114812675B (en) * | 2022-04-07 | 2024-06-11 | 三一石油智能装备有限公司 | Injection head monitoring method and system and coiled tubing operation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |