CN111155964A - A exempt from to bore stopper cementing ware for oil development - Google Patents
A exempt from to bore stopper cementing ware for oil development Download PDFInfo
- Publication number
- CN111155964A CN111155964A CN202010160803.9A CN202010160803A CN111155964A CN 111155964 A CN111155964 A CN 111155964A CN 202010160803 A CN202010160803 A CN 202010160803A CN 111155964 A CN111155964 A CN 111155964A
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- Prior art keywords
- rubber plug
- connecting ring
- conduit
- ring
- pipe
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- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims 1
- 239000004568 cement Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/134—Bridging plugs
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oil exploitation, and discloses a drilling-plug-free cementing device for oil exploitation, which comprises a first conduit and a second conduit connected to the bottom of the first conduit, wherein an opening is further formed in the outer side of the first conduit, a fastening assembly is connected between the first conduit and the second conduit, a mounting sleeve is sleeved on the top end of the first conduit in a threaded manner, and a moving assembly is further arranged inside the first conduit and the second conduit. The first guide pipe and the second guide pipe can be conveniently and rapidly spliced and used by a user through the fastening assembly, the staged cementing operation can be easily finished by the user after splicing, the working efficiency is greatly improved, the fastening assembly is convenient to disassemble and assemble and easy to maintain and overhaul, the first rubber plug, the second rubber plug, the guide block and the rubber plug seat can be driven to move downwards through the moving assembly, so that the first rubber plug, the second rubber plug, the guide block and the rubber plug seat are quickly pushed to the well bottom, and the falling mode stability and the reliability of the staged hoop are higher compared with the traditional drilling-free mode.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to a drilling-plug-free cementing device for oil exploitation.
Background
Well cementation is important operation in the well drilling and completion process, along with the gradual development of oil fields, the underground stratum condition is more and more complex, the stratum is very easy to leak under high pressure, great difficulty and challenge are brought to well cementation operation, the conventional grading well cementation process at present has many defects, drilling-free grading well cementation is a well cementation process technology which can solve the difficulty at the leading edge, the drilling and plugging process after cement injection is omitted, the engineering period is shortened, the construction cost is reduced, meanwhile, the technology prolongs the exploitation life of an oil well, and the effect of improving the comprehensive exploitation value is obvious.
But current cementing ware is in the use, is difficult to make the plug fall the shaft bottom smoothly on the one hand, is difficult to accomplish the concatenation fast between two sets of pipes simultaneously, not only can influence actual dismouting, still can influence stage cementing, influences in-service use. Accordingly, one skilled in the art has provided a drill-plug free cementing apparatus for oil production to solve the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a drilling-plug-free cementing device for oil exploitation, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a exempt from to bore stopper cementing ware for oil development, includes first pipe and connects the second pipe in first pipe bottom, the opening has still been seted up in the outside of first pipe, be connected with fastening component between first pipe and the second pipe, the top screw thread of first pipe has cup jointed the installation sleeve, the inside of first pipe and second pipe still is provided with the removal subassembly.
As a still further scheme of the invention: the movable assembly comprises a stainless steel rod body, a threaded rod, a movable plate, a fixed seat, a first rubber plug, a third spring, a second rubber plug, a guide block and a rubber plug seat, the top end of the threaded rod is fixedly connected with the stainless steel rod body perpendicular to the threaded rod, the bottom end of the threaded rod is connected with the fixed seat, the movable plate is fixedly connected to two sides of the fixed seat along the longitudinal position of the fixed seat, the bottom end of the fixed seat is fixedly connected with the first rubber plug along the transverse position of the fixed seat, the second rubber plug is arranged below the first rubber plug, three groups of third springs are connected between the first rubber plug and the second rubber plug at equal intervals, the guide block is fixedly connected to the center of the lower surface of the second rubber plug, and the rubber plug seat is connected to the bottom of the guide.
As a still further scheme of the invention: the movable plates are symmetrically arranged by taking the central point of the fixed seat as a reference, are of a semicircular structure, are rubber components and are fixed with the fixed seat through screws.
As a still further scheme of the invention: the bottom of threaded rod runs through the installation sleeve and extends to the inside of first pipe and second pipe, and passes through welded fastening between threaded rod and the stainless steel rod body, pass through threaded connection between threaded rod and the installation sleeve, the slip casting hole has still been seted up to the telescopic upper surface of installation.
As a still further scheme of the invention: the bottom of guide block is circular-arcly, the stopper seat of gluing is the symmetry setting with the central point of guide block as the benchmark, two the spacing groove with guide block bottom circular arc looks adaptation is all seted up to the inboard of stopper seat of gluing.
As a still further scheme of the invention: fastening components includes first connecting ring, first spring, first tight loop, first spout, second tight loop, second spring and second go-between, the internal connection of first connecting ring has first spring, and the bottom of first connecting ring is connected with the second go-between, the inner wall of first connecting ring has the joint pole and has seted up first spout along the circumferencial direction rigid coupling in proper order, the bottom laminating of first spring has first tight loop, the inner wall of second go-between has the joint piece and has seted up the second spout along the circumferencial direction in proper order rigid coupling, and the inside of second go-between still is connected with the second spring, the top laminating of second spring has the second tight loop.
As a still further scheme of the invention: the first fastening ring and the second fastening ring are fixedly sleeved outside the first guide pipe and the second guide pipe respectively, the first fastening ring and the second fastening ring are of circular ring structures, limiting blocks are fixedly connected to the outside of the first fastening ring and the outside of the second fastening ring in the circumferential direction and slide with the first sliding groove and the second sliding groove respectively.
As a still further scheme of the invention: the bottom center department of joint piece still seted up the joint groove, the inside in joint groove is pegged graft to the bottom of joint pole, the quantity of joint piece and joint pole is two.
As a still further scheme of the invention: the first connecting ring and the second connecting ring are movably sleeved outside the first guide pipe and the second guide pipe respectively, the diameters of the first connecting ring and the second connecting ring are larger than the diameters of the first fastening ring and the second fastening ring respectively, the first connecting ring and the second connecting ring are equal in size, and the inner portions of the first connecting ring and the second connecting ring are hollow.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the fastening assembly can be used for facilitating a user to quickly splice and use the first guide pipe and the second guide pipe, and after splicing, the user can easily complete the grading cementing operation, so that the working efficiency is greatly improved, and the fastening assembly is convenient to disassemble and assemble and is easy for routine maintenance and overhaul;
2. can drive first plug, second plug, guide block and plug seat through the removal subassembly and move down to push it to the shaft bottom rapidly, it is stronger than the whereabouts mode stability and the reliability of traditional exempting from to bore mode grade hoop.
Drawings
FIG. 1 is a schematic diagram of a drill-plug free cementing apparatus for oil production;
FIG. 2 is a schematic diagram of the internal structure of a drill-free cementing device for oil production;
FIG. 3 is a schematic view of the mounting structure of a second runner and a clamping block in a drill-plug-free cementing device for oil extraction;
fig. 4 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a stainless steel rod body; 2. installing a sleeve; 3. a first conduit; 4. a fastening assembly; 5. a second conduit; 6. an opening; 7. a threaded rod; 8. a moving assembly; 9. a movable plate; 10. a fixed seat; 11. a first rubber plug; 12. a third spring; 13. a second rubber plug; 14. a guide block; 15. a rubber plug seat; 16. a first connecting ring; 17. a first spring; 18. a first fastening ring; 19. a first chute; 20. a second chute; 21. a second fastening ring; 22. a second spring; 23. a second connection ring; 24. a clamping block; 25. a clamping and connecting rod; 26. a clamping groove.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a drilling-plug-free cementing device for oil production includes a first conduit 3 and a second conduit 5 connected to a bottom of the first conduit 3, an opening 6 is further formed on an outer side of the first conduit 3, a fastening assembly 4 is connected between the first conduit 3 and the second conduit 5, the fastening assembly 4 includes a first connecting ring 16, a first spring 17, a first fastening ring 18, a first sliding groove 19, a second sliding groove 20, a second fastening ring 21, a second spring 22 and a second connecting ring 23, the first spring 17 is connected to an inner portion of the first connecting ring 16, the bottom of the first connecting ring 16 is connected to the second connecting ring 23, a clamping rod 25 and a first sliding groove 19 are sequentially fixed to an inner wall of the first connecting ring 16 along a circumferential direction, the first fastening ring 18 is attached to a bottom end of the first spring 17, the second connecting ring 23 has a clamping block 24 and a second sliding groove 20 sequentially fixed to an inner wall of the second connecting ring 23 along the circumferential direction, the second spring 22 is connected to the inside of the second connecting ring 23, the top end of the second spring 22 is attached to the second fastening ring 21, the first fastening ring 18 and the second fastening ring 21 are fixedly connected to the outside of the first guide tube 3 and the second guide tube 5 respectively, the first fastening ring 18 and the second fastening ring 21 are both in a circular ring structure, the outside of the first fastening ring 18 and the outside of the second fastening ring 21 are fixedly connected with limit blocks along the circumferential direction, the limit blocks are respectively located inside the first sliding groove 19 and the second sliding groove 20 and slide with the first sliding groove and the second sliding groove, the center of the bottom of the clamping block 24 is further provided with a clamping groove 26, the bottom end of the clamping rod 25 is inserted into the clamping groove 26, the number of the clamping blocks 24 and the number of the clamping rods 25 are two, the first connecting ring 16 and the second connecting ring 23 are movably sleeved on the outside of the first guide tube 3 and the second guide tube 5 respectively, and the diameters of the first connecting ring 16 and the second connecting ring 23 are larger than the diameters of the first fastening ring 18 and the second fastening, the size of first go-between 16 and second go-between 23 equals, and the inside of first go-between 16 and second go-between 23 is hollow form, can be convenient for the user through fastening component 4 and splice fast and use first pipe 3 and second pipe 5, can easily the user accomplish hierarchical cementing operation after the concatenation, improved work efficiency greatly, this fastening component 4 easy dismounting, easy routine maintenance and maintenance moreover.
In fig. 1 and 2: the top end of the first conduit 3 is in threaded sleeve joint with the mounting sleeve 2, the first conduit 3 and the second conduit 5 are also internally provided with a moving component 8, the moving component 8 comprises a stainless steel rod body 1, a threaded rod 7, a movable plate 9, a fixed seat 10, a first rubber plug 11, a third spring 12, a second rubber plug 13, a guide block 14 and a rubber plug seat 15, the top end of the threaded rod 7 is fixedly connected with the stainless steel rod body 1 which is mutually vertical to the threaded rod 7, the bottom end of the threaded rod 7 is connected with the fixed seat 10, the movable plate 9 is fixedly connected on two sides of the fixed seat 10 along the longitudinal position of the fixed seat, the bottom end of the fixed seat 10 along the transverse position of the fixed seat is fixedly connected with the first rubber plug 11, the second rubber plug 13 is arranged below the first rubber plug 11, three groups of the third springs 12 are equidistantly connected between the first rubber plug 11 and the second rubber plug 13, the center of the lower surface, the bottom of the guide block 14 is connected with a rubber plug seat 15, the movable plate 9 is symmetrically arranged by taking the central point of the fixed seat 10 as a reference, the movable plate 9 is of a semicircular structure, the movable plate 9 is a component made of rubber, the movable plate 9 and the fixed seat 10 are fixed through screws, the bottom end of the threaded rod 7 penetrates through the installation sleeve 2 and extends into the first guide pipe 3 and the second guide pipe 5, the threaded rod 7 and the stainless steel rod body 1 are fixed through welding, the threaded rod 7 and the installation sleeve 2 are connected through threads, the upper surface of the installation sleeve 2 is further provided with a grouting hole, the bottom of the guide block 14 is arc-shaped, the rubber plug seats 15 are symmetrically arranged by taking the central point of the guide block 14 as a reference, the inner sides of the two rubber plug seats 15 are respectively provided with a limiting groove matched with the arc at the bottom of the guide block 14, the rubber plug seat 15 is a component made of eva material, the second rubber plug 13, the guide block 14 and the rubber plug seat 15 move downwards so as to be quickly pushed to the bottom of the well, and the falling mode of the grading hoop is higher in stability and reliability compared with the traditional drilling-free mode.
The working principle of the invention is as follows: firstly, a user respectively sleeves the first connecting ring 16 and the second connecting ring 23 on the first fastening ring 18 and the second fastening ring 21, in the sleeve process, the user firstly slides the limit blocks on the first fastening ring 18 and the second fastening ring 21 along the first sliding groove 19 and the second sliding groove 20, then the user transversely and oppositely rotates the first connecting ring 16 and the second connecting ring 23 and buckles the bottom end of the clamping rod 25 in the clamping groove 26, at the moment, the bottom of the first spring 17 is jointed on the first fastening ring 18, the top of the second spring 22 is jointed on the second fastening ring 21, so as to finish the splicing between the first conduit 3 and the second conduit 5, and similarly, the user firstly carries out the longitudinal relative movement of the first connecting ring 16 and the second connecting ring 23 and moves the bottom end of the clamping rod 25 out of the inside of the clamping groove 26, and then carries out the transverse opposite rotation of the first connecting ring 16 and the second connecting ring 23, the disassembly of the first guide pipe 3 and the second guide pipe 5 can be completed at the moment, the fastening component 4 can be convenient for a user to splice and use the first guide pipe 3 and the second guide pipe 5 quickly, after splicing, the user can complete grading cementing operation easily, the working efficiency is greatly improved, the fastening component 4 is convenient to disassemble and assemble, the daily maintenance and overhaul are easy, then the first guide pipe 3 and the second guide pipe 5 are inserted into an oil well through external machinery, under the action of a third spring 12, the first rubber plug 11 and the second rubber plug 13 can be driven to move upwards, the opening 6 is blocked through the movable plate 9, the cement attached to the opening 6 can be cleared through the movable plate 9 moving upwards, the blockage is prevented, when the cement is required to be poured, the user holds the stainless steel rod body 1 by hand and rotates clockwise, the threaded rod 7 is driven to rotate forwards, the first rubber plug 11 and the second rubber plug 13 can be driven to move downwards, at this moment, cement is poured into the first guide pipe 3 and the second guide pipe 5 through a grouting hole in the mounting sleeve 2, at this moment, the cement flows out through the opening 6, thereby completing the corresponding cement pouring operation, and because the temperature of the well depth position where the cementing device is located in the well cementing operation is generally more than 100 ℃, therefore, the plug seat 15 made of eva material is changed into liquid state from solid state, and then the user can rotate the stainless steel rod body 1 clockwise, and then drive the first plug 11, the second plug 13 and the plug seat 15 move down, so that the first plug 11 can be driven through the moving assembly 8, the second plug 13, the guide block 14 and the plug seat 15 move down, thereby the well bottom is rapidly pushed, and the falling mode stability and the reliability of the grading hoop compared with the traditional drilling-free mode are stronger.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (9)
1. The utility model provides a exempt from to bore stopper cementing ware for oil development, includes first pipe (3) and connects second pipe (5) in first pipe (3) bottom, opening (6) have still been seted up in the outside of first pipe (3), its characterized in that, be connected with fastening components (4) between first pipe (3) and second pipe (5), the top screw thread of first pipe (3) has cup jointed installation sleeve (2), the inside of first pipe (3) and second pipe (5) still is provided with removal subassembly (8).
2. The drilling-free cementing device for petroleum exploitation according to claim 1, wherein the moving assembly (8) comprises a stainless steel rod body (1), a threaded rod (7), a movable plate (9), a fixed seat (10), a first rubber plug (11), a third spring (12), a second rubber plug (13), a guide block (14) and a rubber plug seat (15), the top end of the threaded rod (7) is fixedly connected with the stainless steel rod body (1) which is perpendicular to the threaded rod (7), the bottom end of the threaded rod (7) is connected with the fixed seat (10), the movable plate (9) is fixedly connected to both sides of the fixed seat (10) along the longitudinal position of the fixed seat, the bottom end of the fixed seat (10) is fixedly connected with the first rubber plug (11) along the transverse position of the fixed seat, the second rubber plug (13) is arranged below the first rubber plug (11), and three sets of third springs (12) are equidistantly connected between the first rubber plug (11) and the second rubber plug (13), the lower surface center department rigid coupling of second plug (13) has guide block (14), the bottom of guide block (14) is connected with plug seat (15).
3. The drilling-free cementing device for oil production according to the claim 2, wherein the movable plate (9) is symmetrically arranged with the center point of the fixed seat (10) as the reference, the movable plate (9) is a semicircular structure, the movable plate (9) is a rubber member, and the movable plate (9) and the fixed seat (10) are fixed by screws.
4. The drilling-free cementing device for the oil exploitation according to the claim 2, wherein the bottom end of the threaded rod (7) penetrates through the mounting sleeve (2) and extends to the inside of the first guide pipe (3) and the second guide pipe (5), the threaded rod (7) and the stainless steel rod body (1) are fixed by welding, the threaded rod (7) and the mounting sleeve (2) are connected by screw threads, and the upper surface of the mounting sleeve (2) is further provided with a grouting hole.
5. The drilling-free cementing device for the oil exploitation according to claim 2, wherein the bottom of the guide block (14) is arc-shaped, the rubber plug seats (15) are symmetrically arranged by taking a central point of the guide block (14) as a reference, and the inner sides of the two rubber plug seats (15) are respectively provided with a limiting groove matched with the arc-shaped bottom of the guide block (14).
6. The drilling-plug-free cementing device for oil production according to claim 1, wherein the fastening assembly (4) comprises a first connecting ring (16), a first spring (17), a first fastening ring (18), a first sliding groove (19), a second sliding groove (20), a second fastening ring (21), a second spring (22) and a second connecting ring (23), the first spring (17) is connected inside the first connecting ring (16), the second connecting ring (23) is connected at the bottom of the first connecting ring (16), a clamping rod (25) and a first sliding groove (19) are sequentially and fixedly connected to the inner wall of the first connecting ring (16) along the circumferential direction, the first fastening ring (18) is attached to the bottom end of the first spring (17), a clamping block (24) and a second sliding groove (20) are sequentially and fixedly connected to the inner wall of the second connecting ring (23) along the circumferential direction, and a second spring (22) is connected to the inside of the second connecting ring (23), and a second fastening ring (21) is attached to the top end of the second spring (22).
7. The drilling-plug-free cementing device for oil exploitation according to claim 6, wherein the first fastening ring (18) and the second fastening ring (21) are respectively fixedly sleeved outside the first conduit (3) and the second conduit (5), the first fastening ring (18) and the second fastening ring (21) are both in a circular ring structure, the outside of the first fastening ring (18) and the second fastening ring (21) are fixedly connected with limiting blocks along the circumferential direction, and the limiting blocks are respectively located inside the first sliding groove (19) and the second sliding groove (20) and slide with the first sliding groove and the second sliding groove.
8. The drilling-free cementing device for oil exploitation as claimed in claim 6, wherein a clamping groove (26) is further formed in the center of the bottom of the clamping block (24), the bottom end of the clamping rod (25) is inserted into the clamping groove (26), and the number of the clamping blocks (24) and the number of the clamping rods (25) are two.
9. The drilling-plug-free cementing device for oil production according to the claim 6, characterized in that the first connecting ring (16) and the second connecting ring (23) are movably sleeved outside the first conduit (3) and the second conduit (5) respectively, the diameter of the first connecting ring (16) and the diameter of the second connecting ring (23) are larger than the diameter of the first fastening ring (18) and the diameter of the second fastening ring (21), the first connecting ring (16) and the second connecting ring (23) are equal in size, and the inside of the first connecting ring (16) and the inside of the second connecting ring (23) are hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160803.9A CN111155964A (en) | 2020-03-10 | 2020-03-10 | A exempt from to bore stopper cementing ware for oil development |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160803.9A CN111155964A (en) | 2020-03-10 | 2020-03-10 | A exempt from to bore stopper cementing ware for oil development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111155964A true CN111155964A (en) | 2020-05-15 |
Family
ID=70567277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010160803.9A Pending CN111155964A (en) | 2020-03-10 | 2020-03-10 | A exempt from to bore stopper cementing ware for oil development |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111155964A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5957197A (en) * | 1997-04-10 | 1999-09-28 | Liaohe Petroleum Exploration Bureau Of Xinglongtai | Downhole cut-off valve used for cementing |
| US20050051333A1 (en) * | 2003-09-04 | 2005-03-10 | Weber James L. | Wiper plug with packer |
| CN2783062Y (en) * | 2004-12-29 | 2006-05-24 | 贵阳铝镁设计研究院 | Quick open valve |
| CN201144665Y (en) * | 2007-12-16 | 2008-11-05 | 山东赛瓦石油工具服务有限公司 | High-pressure pipe joint union backing pin type cement head |
| CN201292815Y (en) * | 2008-11-03 | 2009-08-19 | 中国石油集团长城钻探工程有限公司 | Floating shoes for cementing oil well |
| CN201588597U (en) * | 2009-12-07 | 2010-09-22 | 成都一一淼机电设备有限公司 | Ground control type cementing tool |
| CN102011562A (en) * | 2010-11-05 | 2011-04-13 | 四川中圣科技有限公司 | Construction process for ground mechanical control type well cementing tool |
| CN203296748U (en) * | 2013-06-21 | 2013-11-20 | 西安航威石化设备有限公司 | Novel float collar float shoe for horizontal well |
| CN203742544U (en) * | 2014-04-02 | 2014-07-30 | 成都杜特威石油科技有限公司 | Well cementing device for ultrasonically processing downhole hydraulic pulse coupled concrete slurry |
| CN203978377U (en) * | 2014-06-13 | 2014-12-03 | 中国石油化工集团公司 | The mud grouting float collar float plug that a kind of oil well cementing is used |
| CN105179400A (en) * | 2015-10-09 | 2015-12-23 | 周兆弟 | Sleeve type connecting piece |
| CN106090409A (en) * | 2016-08-15 | 2016-11-09 | 无锡惠山泵业有限公司 | The valve that a kind of suitability is strong |
| CN106224569A (en) * | 2016-08-29 | 2016-12-14 | 约翰斯顿流体科技（无锡）有限公司 | A kind of valve easy to use |
| US20180016763A1 (en) * | 2015-12-25 | 2018-01-18 | Oak Co., Ltd | Piling Construction Management Method |
| CN108662209A (en) * | 2018-07-09 | 2018-10-16 | 约翰斯顿流体科技（无锡）有限公司 | It is a kind of to use the valve for stablizing and facilitating adjusting |
| CN109519593A (en) * | 2018-12-29 | 2019-03-26 | 贵州大学 | A kind of valve with quick blocking effect |
| CN209385070U (en) * | 2018-12-21 | 2019-09-13 | 山西大地民基生态环境股份有限公司 | A kind of bastard coal clitter body drilling rod fluid injection fire-fighting device |
-
2020
- 2020-03-10 CN CN202010160803.9A patent/CN111155964A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5957197A (en) * | 1997-04-10 | 1999-09-28 | Liaohe Petroleum Exploration Bureau Of Xinglongtai | Downhole cut-off valve used for cementing |
| US20050051333A1 (en) * | 2003-09-04 | 2005-03-10 | Weber James L. | Wiper plug with packer |
| CN2783062Y (en) * | 2004-12-29 | 2006-05-24 | 贵阳铝镁设计研究院 | Quick open valve |
| CN201144665Y (en) * | 2007-12-16 | 2008-11-05 | 山东赛瓦石油工具服务有限公司 | High-pressure pipe joint union backing pin type cement head |
| CN201292815Y (en) * | 2008-11-03 | 2009-08-19 | 中国石油集团长城钻探工程有限公司 | Floating shoes for cementing oil well |
| CN201588597U (en) * | 2009-12-07 | 2010-09-22 | 成都一一淼机电设备有限公司 | Ground control type cementing tool |
| CN102011562A (en) * | 2010-11-05 | 2011-04-13 | 四川中圣科技有限公司 | Construction process for ground mechanical control type well cementing tool |
| CN203296748U (en) * | 2013-06-21 | 2013-11-20 | 西安航威石化设备有限公司 | Novel float collar float shoe for horizontal well |
| CN203742544U (en) * | 2014-04-02 | 2014-07-30 | 成都杜特威石油科技有限公司 | Well cementing device for ultrasonically processing downhole hydraulic pulse coupled concrete slurry |
| CN203978377U (en) * | 2014-06-13 | 2014-12-03 | 中国石油化工集团公司 | The mud grouting float collar float plug that a kind of oil well cementing is used |
| CN105179400A (en) * | 2015-10-09 | 2015-12-23 | 周兆弟 | Sleeve type connecting piece |
| US20180016763A1 (en) * | 2015-12-25 | 2018-01-18 | Oak Co., Ltd | Piling Construction Management Method |
| CN106090409A (en) * | 2016-08-15 | 2016-11-09 | 无锡惠山泵业有限公司 | The valve that a kind of suitability is strong |
| CN106224569A (en) * | 2016-08-29 | 2016-12-14 | 约翰斯顿流体科技（无锡）有限公司 | A kind of valve easy to use |
| CN108662209A (en) * | 2018-07-09 | 2018-10-16 | 约翰斯顿流体科技（无锡）有限公司 | It is a kind of to use the valve for stablizing and facilitating adjusting |
| CN209385070U (en) * | 2018-12-21 | 2019-09-13 | 山西大地民基生态环境股份有限公司 | A kind of bastard coal clitter body drilling rod fluid injection fire-fighting device |
| CN109519593A (en) * | 2018-12-29 | 2019-03-26 | 贵州大学 | A kind of valve with quick blocking effect |
Non-Patent Citations (1)
| Title |
|---|
| 陶维健: "《矿井运输与提升设备》", 31 December 2014 * |
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