CN202946064U - Running and releasing tool - Google Patents
Running and releasing tool Download PDFInfo
- Publication number
- CN202946064U CN202946064U CN 201220665112 CN201220665112U CN202946064U CN 202946064 U CN202946064 U CN 202946064U CN 201220665112 CN201220665112 CN 201220665112 CN 201220665112 U CN201220665112 U CN 201220665112U CN 202946064 U CN202946064 U CN 202946064U
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- Prior art keywords
- connecting cylinder
- axle
- block
- lower contact
- locking stop
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of releasing tools in oil and gas field exploration and development, in particular to a running and releasing tool which comprises an upper joint, a connecting cylinder, a lower joint, a piston mandrel and at least one locking device, wherein a connecting cylinder cavity is arranged in the connecting cylinder; the lower part of the upper joint is fixedly mounted at the upper part of the connecting cylinder cavity; the piston mandrel is fixedly mounted in the connecting cylinder cavity through a shearing-type positioning device; the inner cavity of the upper joint is communicated with the inner cavity of the piston mandrel; a back taper surface, which can bear and receive thrown balls, is arranged on the wall of the inner cavity of the piston mandrel, and has the structure that the upper part is larger but the lower part is smaller; and the lower part of the connecting cylinder is mounted in the lower joint in a sleeving manner and is fixedly connected together with the lower joint through the locking device which is unlocked by the piston mandrel moving downwards. The tool is reasonable and compact in structure, convenient to use, and reliable and safe, and achieves the smooth releasing of well completion pipe strings through pressing on the ground, which ensures the effective implementation of down-hole operation, and avoids the serious underground accidents.
Description
Technical field
The utility model relates to releasing tool technical field in the oilfield prospecting developing operation, is a kind of releasing tool of sending into.
Background technology
In boring Completion Operations, sending into releasing tool is an indispensable instrument of completion practice, by sending into releasing tool, the completion tubular string is sent in well, then realizes giving up by machinery or hydraulic way, thereby has guaranteed carrying out smoothly of follow-up underground construction.Yet, present use send into releasing tool, mostly have the difficulty of giving up, make well completion work to carry out smoothly, even owing to giving up smoothly, will cause the generation of great down-hole accident.
Summary of the invention
The utility model provides a kind of releasing tool of sending into, and has overcome the deficiency of above-mentioned prior art, and it can effectively solve the releasing tool of sending into that uses at present and have the hard problem of giving up.
the technical solution of the utility model realizes by following measures: a kind of releasing tool of sending into, comprise top connection, connecting cylinder, lower contact, piston axle and be no less than the locking device of, there is the connecting cylinder chamber connecting cylinder inside, the top connection bottom is fixedly mounted on top, connecting cylinder chamber, inside, connecting cylinder chamber is installed with the piston axle by shearing positioner, the intracavity inter-connection of the inner chamber of top connection and piston axle, the up big and down small inverted cone surface that can accept pitching is arranged on the internal chamber wall of piston axle, the connecting cylinder bottom is sleeved on lower contact inside and is fixed together by locking device and the lower contact that can be unlocked by the piston axle after moving down.
The below is the further optimization and/or improvements to above-mentioned utility model technical scheme:
above-mentioned locking device can comprise locking stop, the connecting cylinder axle journal is arranged at the bottom of connecting cylinder, the connecting cylinder neck bush is contained in the inner chamber top of lower contact, the connecting cylinder of connecting cylinder axle journal top forms the connecting cylinder shaft shoulder, the lower end of the connecting cylinder shaft shoulder is sitting on the upper surface of lower contact, there is block through hole is installed and locking stop is installed on the connecting cylinder axle journal, the upper surface of locking stop is the conical surface on up-small and down-big block, the lower surface of locking stop is the conical surface under up big and down small block, on the piston axle lateral surface of corresponding locking stop top and top position, the block pockets is arranged, connect draw-in groove under having on the lower contact inwall of corresponding block installation lead to the hole site, under connect draw-in groove the upper surface for block on the conical surface on the draw-in groove that adapts of the conical surface, under connect draw-in groove the lower surface for block under the conical surface under the draw-in groove that adapts of the conical surface, the inner face of locking stop holds out against on the piston axle lateral surface of block pockets bottom, the outer end of locking stop is sleeved on down and connects in draw-in groove and connecting cylinder axle journal and lower contact are fixed together.
Above-mentioned shearing positioner can comprise shear pin and baffle ring; The upper surface of piston axle is pressed on the lower end of top connection, the upper outside of piston axle has axle pressed on ring platform, piston axle top is sleeved in the connecting cylinder chamber and can moves up and down by axle pressed on ring platform, ring platform in connecting cylinder is arranged on the lower inner wall in connecting cylinder chamber, and piston axle bottom is sleeved in connecting cylinder in the ring platform and can moves up and down; In corresponding connecting cylinder, the piston axle outside of ring platform upper end position is fixed with baffle ring by shear pin, the baffle ring lower end is sitting on the upper surface of ring platform in connecting cylinder, and the distance between baffle ring upper end and axle pressed on ring platform lower surface is greater than the distance between locking stop lower end and block pockets lower surface.
The upper outside of above-mentioned connecting cylinder axle journal can have the anti-rotation projection that is no less than, and it is inner that the lower contact upper end of corresponding anti-rotation bump position has the anti-rotation draw-in groove of opening upwards, anti-rotation projection to be sleeved on the anti-rotation draw-in groove.
The above-mentioned connecting cylinder axle journal outside can be distributed with two groups of blocks from top to bottom through hole is installed, each block is installed in through hole and is separately installed with locking stop, on the piston axle lateral surface of corresponding each locking stop top and top position, the block pockets is arranged respectively, connect draw-in groove under having respectively on the lower contact inwall of corresponding each block installation lead to the hole site, the inner face of each locking stop holds out against on the piston axle lateral surface of corresponding block pockets bottom, connects in draw-in groove and connecting cylinder axle journal and lower contact are fixed together under the outer end of each locking stop is sleeved on accordingly.
The upper joint-shaft neck can be arranged at the bottom of above-mentioned top connection, there is the upper joint-shaft neck thread upper joint-shaft neck outside, the connecting cylinder internal thread that matches with the upper joint-shaft neck thread is arranged on the upper inside wall in connecting cylinder chamber, and the upper joint-shaft neck is fixedly mounted on top, connecting cylinder chamber by upper joint-shaft neck thread and connecting cylinder internal thread.
Connecting cylinder journal packing groove can be arranged and sealing ring is installed on the connecting cylinder axle journal lateral surface of above-mentioned corresponding block installation through hole top position, appear on the stage seal groove and sealing ring is installed of axle can be arranged on the lateral surface of axle pressed on ring platform, upper joint-shaft neck seal groove can be arranged and sealing ring is installed on the upper joint-shaft neck lateral surface of upper joint-shaft neck thread below.
The top connection connecting thread that can be connected with the top tubing string can be arranged at the inner chamber top of above-mentioned top connection, and the lower contact connecting thread that can be connected with the below tubing string can be arranged at the bottom of lower contact.
The utility model reasonable and compact in structure, easy to use, safe and reliable, suppress by ground and realize giving up smoothly of completion tubular string, thereby the generation of great down-hole accident is avoided in effective enforcement of assurance underground work.
Description of drawings
Accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment.
coding in accompanying drawing is respectively: 1 is top connection, 2 is connecting cylinder, 3 are lower contact, 4 is the piston axle, 5 is the connecting cylinder chamber, 6 is inverted cone surface, 7 is locking stop, 8 is the connecting cylinder axle journal, 9 is the connecting cylinder shaft shoulder, 10 are block installation through hole, 11 is the conical surface on block, 12 is the block pockets, 13 connect draw-in groove under being, 14 is shear pin, 15 is baffle ring, 16 is axle pressed on ring platform, 17 is ring platform in connecting cylinder, 18 is the anti-rotation projection, 19 is the anti-rotation draw-in groove, 20 is the upper joint-shaft neck, 21 is the upper joint-shaft neck thread, 22 is connecting cylinder journal packing groove, 23 are the axle seal groove of appearing on the stage, 24 is upper joint-shaft neck seal groove, 25 are the top connection connecting thread, 26 are the lower contact connecting thread.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts is all that the Butut mode according to Figure of description 1 is described, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in Figure 1, this is sent into releasing tool and comprises top connection 1, connecting cylinder 2, lower contact 3, piston axle 4 and be no less than the locking device of, there is connecting cylinder chamber 5 connecting cylinder 2 inside, top connection 1 bottom is fixedly mounted on 5 tops, connecting cylinder chamber, 5 inside, connecting cylinder chamber are installed with piston axle 4 by shearing positioner, the intracavity inter-connection of the inner chamber of top connection 1 and piston axle 4, the up big and down small inverted cone surface 6 that can accept pitching is arranged on the internal chamber wall of piston axle 4, connecting cylinder 2 bottoms are sleeved on lower contact 3 inside and are fixed together by locking device and the lower contact 3 that can be unlocked by the piston axle 4 after moving down.
Can according to actual needs, the above-mentioned releasing tool of sending into be made further optimization and/or improvements:
as shown in Figure 1, locking device comprises locking stop 7, connecting cylinder axle journal 8 is arranged at the bottom of connecting cylinder 2, connecting cylinder axle journal 8 is sleeved on the inner chamber top of lower contact 3, the connecting cylinder 2 of connecting cylinder axle journal 8 tops forms the connecting cylinder shaft shoulder 9, the lower end of the connecting cylinder shaft shoulder 9 is sitting on the upper surface of lower contact 3, there is block through hole 10 is installed and locking stop 7 is installed on connecting cylinder axle journal 8, the upper surface of locking stop 7 is the conical surface 11 on up-small and down-big block, the lower surface of locking stop 7 is the conical surface under up big and down small block, on piston axle 4 lateral surfaces of corresponding locking stop 7 tops and top position, block pockets 12 is arranged, connect draw-in groove 13 under having on lower contact 3 inwalls of corresponding block installation through hole 10 positions, under connect draw-in groove 13 the upper surface for block on the conical surface on the draw-in groove that adapts of the conical surface 11, under connect draw-in groove 13 the lower surface for block under the conical surface under the draw-in groove that adapts of the conical surface, the inner face of locking stop 7 holds out against on piston axle 4 lateral surfaces of block pockets 12 bottoms, the outer end of locking stop 7 is sleeved on down and connects in draw-in groove 13 and connecting cylinder axle journal 8 and lower contact 3 are fixed together.The lower surface that preferably makes block pockets 12 is the up-small and down-big guiding conical surface, and the upper surface of block pockets 12 is the up big and down small guiding conical surface, to guarantee that locking stop 7 enters block pockets 12 smoothly, realizes smoothly release.
As shown in Figure 1, shearing positioner comprises shear pin 14 and baffle ring 15; The upper surface of piston axle 4 is pressed on the lower end of top connection 1, the upper outside of piston axle 4 has axle pressed on ring platform 16, piston axle 4 tops are sleeved in connecting cylinder chamber 5 and can move up and down by axle pressed on ring platform 16, ring platform 17 in connecting cylinder is arranged on the lower inner wall in connecting cylinder chamber 5, and piston axle 4 bottoms are sleeved in connecting cylinder in ring platform 17 and can move up and down; In corresponding connecting cylinder, piston axle 4 outsides of ring platform 17 upper end positions are fixed with baffle ring 15 by shear pin 14, baffle ring 15 lower ends are sitting on the upper surface of ring platform 17 in connecting cylinder, and the distance between baffle ring 15 upper ends and axle pressed on ring platform 16 lower surfaces is greater than the distance between locking stop 7 lower ends and block pockets 12 lower surfaces.By shear pin 14, baffle ring 15 and top connection 1, piston axle 4 is located up and down fully, installation and transportation are more reliable.
As shown in Figure 1, the upper outside of connecting cylinder axle journal 8 has the anti-rotation projection 18 that is no less than, and lower contact 3 upper ends of corresponding anti-rotation projection 18 positions have the anti-rotation draw-in groove 19 of opening upwards, anti-rotation projection 18 to be sleeved on anti-rotation draw-in groove 19 inside.Anti-rotation projection 18 can prevent that with anti-rotation draw-in groove 19 connecting cylinder 2 from rotating relative to lower contact 3.
as shown in Figure 1, connecting cylinder axle journal 8 outsides are distributed with two groups of blocks from top to bottom through hole 10 are installed, each block is installed in through hole 10 and is separately installed with locking stop 7, on piston axle 4 lateral surfaces of corresponding each locking stop 7 tops and top position, block pockets 12 is arranged respectively, corresponding each block connects draw-in groove 13 under installing and having respectively on lower contact 3 inwalls of through hole 10 positions, the inner face of each locking stop 7 holds out against on piston axle 4 lateral surfaces of corresponding block pockets 12 bottoms, connect in draw-in groove 13 under the outer end of each locking stop 7 is sleeved on accordingly and connecting cylinder axle journal 8 and lower contact 3 are fixed together.
As shown in Figure 1, upper joint-shaft neck 20 is arranged at the bottom of top connection 1, there is upper joint-shaft neck thread 21 upper joint-shaft neck 20 outsides, the connecting cylinder internal thread that matches with upper joint-shaft neck thread 21 is arranged on the upper inside wall in connecting cylinder chamber 5, and upper joint-shaft neck 20 is fixedly mounted on 5 tops, connecting cylinder chamber by upper joint-shaft neck thread 21 and connecting cylinder internal thread.
As shown in Figure 1, connecting cylinder journal packing groove 22 is arranged and sealing ring is installed on connecting cylinder axle journal 8 lateral surfaces of corresponding block installation through hole 10 top positions, appear on the stage seal groove 23 and sealing ring is installed of axle is arranged on the lateral surface of axle pressed on ring platform 16, upper joint-shaft neck seal groove 24 is arranged and sealing ring is installed on upper joint-shaft neck 20 lateral surfaces of upper joint-shaft neck thread 21 belows.Can improve the sealing performance of each junction by above-mentioned sealing ring, when guaranteeing to build the pressure, pressure fluid reduces leakage, and piston axle 4 can be cut off shear pin 14 smoothly under pressure fluid promotes.
As shown in Figure 1, the top connection connecting thread 25 that can be connected with the top tubing string is arranged at the inner chamber top of top connection 1, and the lower contact connecting thread 26 that can be connected with the below tubing string is arranged at the bottom of lower contact 3.
Above technical characterictic has consisted of most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, satisfies the demand of different situations.
The use procedure of the utility model most preferred embodiment: at first, upper termination oil pipe or drilling rod with top connection 1, the lower end of lower contact 3 connects the completion tubular string, be connected owing to being connected with the anti-rotation draw-in groove by anti-rotation projection 18 between connecting cylinder axle journal 8 and lower contact 3, in going down process, can manage the rotary operation of string; Secondly, the completion tubular string is sent into the precalculated position, carry out the pitching operation, pitching is fallen and is sitting on inverted cone surface 6; Then, suppress, under the effect of pressure fluid, piston axle 4 moves down and cuts off shear pin 14, piston axle 4 continues descending until the lower surface of axle pressed on ring platform 16 is sitting on the upper surface of baffle ring 15, at this moment the position of its corresponding locking stop 7 of position alignment of block pockets 12; Then, on put on joint 1, top connection 1 is together with moving on connecting cylinder 2 and locking stop 7, on the block of locking stop 7, the conical surface 11 slides and locking stop 7 is promoted to piston axle 4 along the conical surface on draw-in groove, until locking stop 7 enters in block pockets 12, connect draw-in groove 13 under locking stop 7 outer ends break away from, connecting cylinder 2 is separated with lower contact 3; At last, put on joint 1 in continuation, top connection 1, connecting cylinder 2, piston axle 4 and locking stop 7 are suggested, and lower contact 3 and below tubing string fall, and realize successfully giving up.
Claims (10)
1. send into releasing tool for one kind, it is characterized in that comprising top connection, connecting cylinder, lower contact, piston axle and be no less than the locking device of, there is the connecting cylinder chamber connecting cylinder inside, the top connection bottom is fixedly mounted on top, connecting cylinder chamber, inside, connecting cylinder chamber is installed with the piston axle by shearing positioner, the intracavity inter-connection of the inner chamber of top connection and piston axle, the up big and down small inverted cone surface that can accept pitching is arranged on the internal chamber wall of piston axle, the connecting cylinder bottom is sleeved on lower contact inside and is fixed together by locking device and the lower contact that can be unlocked by the piston axle after moving down.
2. the releasing tool of sending into according to claim 1, it is characterized in that locking device comprises locking stop, the connecting cylinder axle journal is arranged at the bottom of connecting cylinder, the connecting cylinder neck bush is contained in the inner chamber top of lower contact, the connecting cylinder of connecting cylinder axle journal top forms the connecting cylinder shaft shoulder, the lower end of the connecting cylinder shaft shoulder is sitting on the upper surface of lower contact, there is block through hole is installed and locking stop is installed on the connecting cylinder axle journal, the upper surface of locking stop is the conical surface on up-small and down-big block, the lower surface of locking stop is the conical surface under up big and down small block, on the piston axle lateral surface of corresponding locking stop top and top position, the block pockets is arranged, connect draw-in groove under having on the lower contact inwall of corresponding block installation lead to the hole site, under connect draw-in groove the upper surface for block on the conical surface on the draw-in groove that adapts of the conical surface, under connect draw-in groove the lower surface for block under the conical surface under the draw-in groove that adapts of the conical surface, the inner face of locking stop holds out against on the piston axle lateral surface of block pockets bottom, the outer end of locking stop is sleeved on down and connects in draw-in groove and connecting cylinder axle journal and lower contact are fixed together.
3. the releasing tool of sending into according to claim 2, is characterized in that shearing positioner comprises shear pin and baffle ring; The upper surface of piston axle is pressed on the lower end of top connection, the upper outside of piston axle has axle pressed on ring platform, piston axle top is sleeved in the connecting cylinder chamber and can moves up and down by axle pressed on ring platform, ring platform in connecting cylinder is arranged on the lower inner wall in connecting cylinder chamber, and piston axle bottom is sleeved in connecting cylinder in the ring platform and can moves up and down; In corresponding connecting cylinder, the piston axle outside of ring platform upper end position is fixed with baffle ring by shear pin, the baffle ring lower end is sitting on the upper surface of ring platform in connecting cylinder, and the distance between baffle ring upper end and axle pressed on ring platform lower surface is greater than the distance between locking stop lower end and block pockets lower surface.
4. according to claim 2 or 3 described releasing tools of sending into, the upper outside that it is characterized in that the connecting cylinder axle journal has the anti-rotation projection that is no less than, there is the anti-rotation draw-in groove of opening upwards the lower contact upper end of corresponding anti-rotation bump position, and it is inner that the anti-rotation projection is sleeved on the anti-rotation draw-in groove.
5. according to claim 2 or 3 described releasing tools of sending into, it is characterized in that being distributed with two groups of blocks installation through holes from top to bottom outside the connecting cylinder axle journal, each block is installed in through hole and is separately installed with locking stop, on the piston axle lateral surface of corresponding each locking stop top and top position, the block pockets is arranged respectively, connect draw-in groove under having respectively on the lower contact inwall of corresponding each block installation lead to the hole site, the inner face of each locking stop holds out against on the piston axle lateral surface of corresponding block pockets bottom, connect in draw-in groove under the outer end of each locking stop is sleeved on accordingly and connecting cylinder axle journal and lower contact are fixed together.
6. the releasing tool of sending into according to claim 4, it is characterized in that being distributed with two groups of blocks installation through holes from top to bottom outside the connecting cylinder axle journal, each block is installed in through hole and is separately installed with locking stop, on the piston axle lateral surface of corresponding each locking stop top and top position, the block pockets is arranged respectively, connect draw-in groove under having respectively on the lower contact inwall of corresponding each block installation lead to the hole site, the inner face of each locking stop holds out against on the piston axle lateral surface of corresponding block pockets bottom, connect in draw-in groove under the outer end of each locking stop is sleeved on accordingly and connecting cylinder axle journal and lower contact are fixed together.
7. the releasing tool of sending into according to claim 6, the upper joint-shaft neck is arranged at the bottom that it is characterized in that top connection, there is the upper joint-shaft neck thread upper joint-shaft neck outside, the connecting cylinder internal thread that matches with the upper joint-shaft neck thread is arranged on the upper inside wall in connecting cylinder chamber, and the upper joint-shaft neck is fixedly mounted on top, connecting cylinder chamber by upper joint-shaft neck thread and connecting cylinder internal thread.
8. the releasing tool of sending into according to claim 7, it is characterized in that corresponding block installs on the connecting cylinder axle journal lateral surface of through hole top position and connecting cylinder journal packing groove is arranged and sealing ring is installed, appear on the stage seal groove and sealing ring is installed of axle is arranged on the lateral surface of axle pressed on ring platform, upper joint-shaft neck seal groove is arranged and sealing ring is installed on the upper joint-shaft neck lateral surface of upper joint-shaft neck thread below.
9. according to claim 1 and 2 or 3 described releasing tools of sending into is characterized in that the top connection connecting thread that can be connected with the top tubing string is arranged at the inner chamber top of top connection, and the lower contact connecting thread that can be connected with the below tubing string is arranged at the bottom of lower contact.
10. the releasing tool of sending into according to claim 8 is characterized in that the top connection connecting thread that can be connected with the top tubing string is arranged at the inner chamber top of top connection, and the lower contact connecting thread that can be connected with the below tubing string is arranged at the bottom of lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665112 CN202946064U (en) | 2012-12-06 | 2012-12-06 | Running and releasing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665112 CN202946064U (en) | 2012-12-06 | 2012-12-06 | Running and releasing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946064U true CN202946064U (en) | 2013-05-22 |
Family
ID=48421771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665112 Expired - Fee Related CN202946064U (en) | 2012-12-06 | 2012-12-06 | Running and releasing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946064U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912229A (en) * | 2014-04-01 | 2014-07-09 | 四机赛瓦石油钻采设备有限公司 | Coiled tubing hydraulic releasing device |
| CN104005712A (en) * | 2014-06-17 | 2014-08-27 | 江苏航天鸿鹏数控机械有限公司 | Differential pressure clutch type tail pipe rotating device |
| CN106869838A (en) * | 2017-03-23 | 2017-06-20 | 中国石油集团西部钻探工程有限公司 | Hydraulic release device |
| CN109592234A (en) * | 2019-01-22 | 2019-04-09 | 太仓中集冷藏物流装备有限公司 | Water outlet device for frozen products insulated container |
| CN110630227A (en) * | 2019-10-22 | 2019-12-31 | 东营市瑞丰石油技术发展有限责任公司 | Running tool, layered oil production pipe column and layered oil production pipe column running method |
-
2012
- 2012-12-06 CN CN 201220665112 patent/CN202946064U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912229A (en) * | 2014-04-01 | 2014-07-09 | 四机赛瓦石油钻采设备有限公司 | Coiled tubing hydraulic releasing device |
| CN104005712A (en) * | 2014-06-17 | 2014-08-27 | 江苏航天鸿鹏数控机械有限公司 | Differential pressure clutch type tail pipe rotating device |
| CN104005712B (en) * | 2014-06-17 | 2016-03-23 | 江苏航天鸿鹏数控机械有限公司 | A kind of pressure reduction clutch type tail pipe whirligig |
| CN106869838A (en) * | 2017-03-23 | 2017-06-20 | 中国石油集团西部钻探工程有限公司 | Hydraulic release device |
| CN109592234A (en) * | 2019-01-22 | 2019-04-09 | 太仓中集冷藏物流装备有限公司 | Water outlet device for frozen products insulated container |
| CN110630227A (en) * | 2019-10-22 | 2019-12-31 | 东营市瑞丰石油技术发展有限责任公司 | Running tool, layered oil production pipe column and layered oil production pipe column running method |
| CN110630227B (en) * | 2019-10-22 | 2024-05-03 | 东营市瑞丰石油技术发展有限责任公司 | Running tool, layered oil production string and layered oil production string running method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20201206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |