CN107130938B - Anti-flushing well bleeder - Google Patents
Anti-flushing well bleeder Download PDFInfo
- Publication number
- CN107130938B CN107130938B CN201710566457.2A CN201710566457A CN107130938B CN 107130938 B CN107130938 B CN 107130938B CN 201710566457 A CN201710566457 A CN 201710566457A CN 107130938 B CN107130938 B CN 107130938B
- Authority
- CN
- China
- Prior art keywords
- cylinder sleeve
- central tube
- sleeve
- lower cylinder
- piston
- Prior art date
- 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.)
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 11
- 239000003921 oil Substances 0.000 description 28
- 238000007789 sealing Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
Landscapes
- 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)
- Actuator (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention provides a kind of anti-flushing well bleeder, including central tube and top connection, top connection, upper cylinder sleeve, lower cylinder sleeve and lower cylinder sleeve limit sleeve are sequentially installed in central tube outer circle from top to bottom；Boss is additionally provided in the central tube outer circle；Boss, upper cylinder sleeve, lower cylinder sleeve and central tube outer circle surround the first space, are equipped with piston in the first space；Piston upper end is equipped with circlip, and circlip is limited by the circlip fixing sleeve for being mounted on piston upper end；Boss, lower cylinder sleeve and central tube outer circle surround second space；It is threaded with shear pin fixing sleeve in the outer circle of lower cylinder sleeve lower end, shear pin is installed on shear pin fixing sleeve；Shear pin passes through the circular hole on lower cylinder sleeve, and protrudes into the shear pin blind hole in central tube outer circle.Anti-flushing well bleeder of the present invention can avoid the excessively high the problem of making bleeder open and can not normally produce of the oil pressure caused by unexpected factors.
Description
Technical field
The invention belongs to oil production equipment fields, more particularly, to a kind of anti-flushing well bleeder.
Background technique
During Production Wells, underground work is the means of most conventional maintenance oil well.In rod-pumped well inspection pump etc.
When playing pipe operation, in order not to make crude oil, sewage in oil pipe etc. take ground pollution environment to, construction speed is influenced, and cause wave
Take, bleeder is usually mounted on pump or more in advance in lower flow string, to make in oil pipe during inspection pumps up pipe
Grease is let out in oil jacket annulus.
Currently, the bleeder being commonly used in the prior art is baffle bleeder, well known baffle bleeder is using pressure of spraining
Method rupture baffle and draining, so-called platen press of spraining is exactly that tubing pressure is made to be greater than casing pressure, and then is made in bleeder
Baffle ruptures and draining.
In the implementation of the present invention, the inventors discovered that in the prior art the prior art has at least the following problems: existing baffle
Bleeder during production operations, has easily occurred in lower tubular column, treatment process etc. and has occurred operation error or oil pressure in the process
It is excessively high that existing baffle draining is caused to be opened, it causes operation to do over again, seriously affects the normal production of oil well.
Summary of the invention
In view of this, the present invention is directed to propose a kind of anti-flushing well bleeder, to overcome the deficiencies of existing technologies, can avoid because
The problem of oil pressure caused by unexpected factors is excessively high to make bleeder open and can not normally produce.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
Anti-flushing well bleeder, including central tube and top connection, be sequentially installed in central tube outer circle from top to bottom top connection,
Upper cylinder sleeve, lower cylinder sleeve and lower cylinder sleeve limit sleeve；Boss is additionally provided in the central tube outer circle；Boss, upper cylinder sleeve, lower cylinder sleeve and in
Heart pipe outer circle surrounds the first space, is equipped with piston in the first space；Piston upper end is equipped with circlip, and circlip is by being mounted on piston
The circlip fixing sleeve of upper end limits；Boss, lower cylinder sleeve and central tube outer circle surround second space；Screw thread in the outer circle of lower cylinder sleeve lower end
It is connected with shear pin fixing sleeve, shear pin is installed on shear pin fixing sleeve；Shear pin passes through the circular hole on lower cylinder sleeve, and protrudes into outside central tube
In shear pin blind hole on circle.Shear pin, lower cylinder sleeve and central tube three cooperate limit.
Further, the top connection, upper cylinder sleeve, lower cylinder sleeve and lower cylinder sleeve limit sleeve, it is adjacent between the two there are
Away from.
Further, the central tube is equipped with pressurizing port, oil leak hole and crosses liquid bath；Pressurizing port is located at below boss, lets out
Oilhole is located above boss, crosses liquid bath and is located above oil leak hole；Oil leak hole position is corresponded to each other with piston position；Card
Spring is mounted in the screw thread cutter groove of piston upper end, and circlip fixing sleeve is connect with piston internal screw thread.
Further, the oil leak hole and liquid bath excessively are corresponded to each other with the first space position, pressurizing port and the second sky
Between position correspond to each other.
Further, the central tube is equipped with jump-ring slot；Jump-ring slot is located at the top of oil leak hole.
Further, the center tube outer surface is upper is equipped with external screw thread, the external screw thread at the position of jump-ring slot upper end
It is connect with the screw-internal thread fit on circlip fixing sleeve；The piston is limited by boss and upper cylinder sleeve.
Further, shear pin blind hole is located at below pressurizing port；Shear pin is limited by shear pin fixing sleeve.
Further, the position that the center tube outer surface is located at shear pin blind hole lower end is equipped with external screw thread, the external screw thread
It is connect with the screw-internal thread fit on lower cylinder sleeve limit sleeve.
Further, the lower cylinder sleeve is limited by boss and lower cylinder sleeve limit sleeve.
Further, the piston and center tube outer surface are by the first rubber sealing；Piston and upper inner surface of cylinder liner are by the
Two rubber sealings；Piston and lower inner surface of cylinder liner are by third rubber sealing；Boss and lower inner surface of cylinder liner by the 4th rubber sealing,
Central tube and lower inner surface of cylinder liner are by the 5th rubber sealing.
Compared with the existing technology, anti-flushing well bleeder of the present invention has the advantage that
Anti-flushing well bleeder of the present invention, can avoid the oil pressure caused by unexpected factors it is excessively high make bleeder open due to
The problem of can not normally producing.Specifically it is exactly that, when oil pressure is excessively high, shear pin can be cut, but since oil pressure is higher than casing pressure,
Oil leak hole is still blocked up by piston, can not be formed drain path, be may continue to production operation, and draining can just be made by needing to carry out anti-flushing well
It opens in hole.Anti-flushing well bleeder of the present invention, it is simple, convenient, can property degree it is high, at low cost, effect is ideal.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of anti-flushing well bleeder described in the embodiment of the present invention；
Fig. 2 is that anti-flushing well bleeder described in the embodiment of the present invention is just suppressing rear structural schematic diagram；
Fig. 3, which is that anti-flushing well bleeder is counter described in the embodiment of the present invention, suppresses rear structural schematic diagram.
Description of symbols:
1- top connection；2- central tube；The upper cylinder sleeve of 3-；4- circlip fixing sleeve；5- circlip；6- piston；Cylinder sleeve under 7-；8- shear pin
Fixing sleeve；9- shear pin；Cylinder sleeve limit sleeve under 10-；11- boss；12- pressurizing port；13- oil leak hole；14- crosses liquid bath；15- circlip
Slot；16- shear pin blind hole；The first cushion rubber of 17-；The second cushion rubber of 18-；19- third cushion rubber；The 4th cushion rubber of 20-；The 5th cushion rubber of 21-；
The first space 22-；23- second space.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, anti-flushing well bleeder, including central tube 2 and top connection 1, in 2 outer circle of central tube from top to bottom successively
Top connection 1, upper cylinder sleeve 3, lower cylinder sleeve 7 and lower cylinder sleeve limit sleeve 10 are installed；Boss 11 is additionally provided in 2 outer circle of central tube；
Boss 11, upper cylinder sleeve 3, lower cylinder sleeve 7 and 2 outer circle of central tube surround the first space 22, are equipped with piston 6 in the first space 22；It is living
It fills in 6 upper ends and circlip 5 is installed, circlip 5 is limited by the circlip fixing sleeve 4 for being mounted on 6 upper end of piston；Boss 11, lower cylinder sleeve 7 and in
2 outer circle of heart pipe surrounds second space 23；Shear pin fixing sleeve 8 is threaded in lower 7 lower end outer circle of cylinder sleeve, on shear pin fixing sleeve 8
Shear pin 9 is installed；Shear pin 9 passes through the circular hole on lower cylinder sleeve 7, and protrudes into the shear pin blind hole 16 in 2 outer circle of central tube.
Above-mentioned top connection 1, upper cylinder sleeve 3, lower cylinder sleeve 7 and lower cylinder sleeve limit sleeve 10, adjacent there are spacing between the two.
Above-mentioned central tube 2 is equipped with pressurizing port 12, oil leak hole 13 and crosses liquid bath 14；Pressurizing port 12 is located at 11 lower section of boss,
Oil leak hole 13 is located at 11 top of boss, crosses liquid bath 14 and is located at 13 top of oil leak hole；13 position of oil leak hole and 6 institute of piston are in place
Set reciprocal correspondence；Circlip 5 is mounted in the screw thread cutter groove of 6 upper end of piston, and circlip fixing sleeve 4 is connect with 6 internal screw thread of piston.
Above-mentioned oil leak hole 13 and liquid bath 14 excessively are corresponded to each other with 22 position of the first space, pressurizing port 12 and second space
23 positions correspond to each other.
Above-mentioned central tube 2 is equipped with jump-ring slot 15；Jump-ring slot 15 is located at the top of oil leak hole 13.
External screw thread, the external screw thread and circlip are equipped on above-mentioned 2 outer surface of central tube at the position of 15 upper end of jump-ring slot
Screw-internal thread fit connection on fixing sleeve 4；The piston 6 is limited by boss 11 and upper cylinder sleeve 3.
Shear pin blind hole 16 is located at 12 lower section of pressurizing port；Shear pin 9 is limited by shear pin fixing sleeve 8.
The position that above-mentioned 2 outer surface of central tube is located at 16 lower end of shear pin blind hole is equipped with external screw thread, the external screw thread and lower cylinder
Cover the screw-internal thread fit connection on limit sleeve 10.
Above-mentioned lower cylinder sleeve 7 is limited by boss 11 and lower cylinder sleeve limit sleeve 10.
Above-mentioned piston 6 is sealed with 2 outer surface of central tube by the first cushion rubber 17；Piston 6 and upper 3 inner surface of cylinder sleeve are by the second glue
18 sealing of circle；Piston 6 is sealed with lower 7 inner surface of cylinder sleeve by third cushion rubber 19；Boss 11 and lower 7 inner surface of cylinder sleeve are by the 4th cushion rubber
20 sealings, central tube 2 are sealed with lower 7 inner surface of cylinder sleeve by the 5th cushion rubber 21.
The working process of this embodiment is as follows:
As shown in Fig. 2, anti-flushing well bleeder is by suppressing, shear pin 9 is cut, and lower cylinder sleeve 7 moves down, and lower cylinder sleeve 7 is logical
The limit of cylinder sleeve limit sleeve 10 is crossed down, makes central tube 2 and lower cylinder sleeve 7 still in sealing state, it is inside and outside not to be connected to；Lower cylinder sleeve 7 is downwards
Mobile, piston 6 is separated with lower cylinder sleeve 7, but makes to connect inside piston 6 and space in upper 3 cavity of cylinder sleeve and central tube 2 because crossing liquid bath 14
Logical, piston 6 is kept in contact 6 lower end surface of piston with 11 upper surface of boss with upper 3 cavity internal pressure of cylinder sleeve, piston 6 and upper cylinder sleeve 3
Sealing is still formed with central tube 2, oil jacket is not connected to still, can normally be produced.
As shown in figure 3, the anti-flushing well bleeder draining course of work: first carrying out oil pipe and suppress, cut shear pin 9, lower cylinder
Set 7 moves down, and piston 6 is separated with lower cylinder sleeve 7.Then anti-flushing well is carried out again, and casing pressure is greater than oil pressure, and (central tube external pressure is big
In internal pressure), it pushes piston 6 to move up, while separate oil leak hole 13 with piston 6, forms drain path；Shipper pole on piston 6
Dynamic circlip fixing sleeve 4, circlip 5 move up, and circlip 5 is shunk, and circlip 5 enters in jump-ring slot 15, move down piston 6 will not, make center
Pipe 2 is inside and outside to be constantly in connected state (oil jacket connection) by oil leak hole 13.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. anti-flushing well bleeder, including central tube (2) and top connection (1), it is characterised in that: in central tube (2) outer circle from up to
Under be sequentially installed with top connection (1), upper cylinder sleeve (3), lower cylinder sleeve (7) and lower cylinder sleeve limit sleeve (10)；Central tube (2) outer circle
On be additionally provided with boss (11)；Boss (11), upper cylinder sleeve (3), lower cylinder sleeve (7) and central tube (2) outer circle surround the first space (22),
Piston (6) are installed in first space (22)；Piston (6) upper end is equipped with circlip (5), and circlip (5) is by being mounted on piston (6)
The circlip fixing sleeve (4) at end limits；Boss (11), lower cylinder sleeve (7) and central tube (2) outer circle surround second space (23)；Lower cylinder
It is threaded with shear pin fixing sleeve (8) in set (7) lower end outer circle, shear pin (9) is installed on shear pin fixing sleeve (8)；Shear pin (9) is worn
The circular hole on cylinder sleeve (7) is crossed down, and is protruded into the shear pin blind hole (16) in central tube (2) outer circle；The central tube (2) is equipped with
Pressurizing port (12), oil leak hole (13) and mistake liquid bath (14)；Pressurizing port (12) is located at below boss (11), and oil leak hole (13) is located at convex
Above platform (11), crosses liquid bath (14) and be located above oil leak hole (13)；Oil leak hole (13) position and piston (6) position phase
It is mutually corresponding；Circlip (5) is mounted in the screw thread cutter groove of piston (6) upper end, and circlip fixing sleeve (4) is connect with piston (6) internal screw thread.
2. anti-flushing well bleeder according to claim 1, it is characterised in that: the top connection (1), upper cylinder sleeve (3), lower cylinder
(7) and lower cylinder sleeve limit sleeve (10) are covered, adjacent there are spacing between the two.
3. anti-flushing well bleeder according to claim 1, it is characterised in that: the oil leak hole (13) and cross liquid bath (14) with
First space (22) position corresponds to each other, and pressurizing port (12) is corresponded to each other with second space (23) position.
4. anti-flushing well bleeder according to claim 1, it is characterised in that: the central tube (2) is equipped with jump-ring slot
(15)；Jump-ring slot (15) is located at the top of oil leak hole (13).
5. anti-flushing well bleeder according to claim 4, it is characterised in that: be located at card on central tube (2) outer surface
External screw thread is equipped at the position of spring slot (15) upper end, which connect with the screw-internal thread fit on circlip fixing sleeve (4)；It is described
Piston (6) is limited by boss (11) and upper cylinder sleeve (3).
6. anti-flushing well bleeder according to claim 1, it is characterised in that: shear pin blind hole (16) is located under pressurizing port (12)
Side；Shear pin (9) is limited by shear pin fixing sleeve (8).
7. anti-flushing well bleeder according to claim 1, it is characterised in that: central tube (2) outer surface is located at shear pin
The position of blind hole (16) lower end is equipped with external screw thread, which connect with the screw-internal thread fit on lower cylinder sleeve limit sleeve (10).
8. anti-flushing well bleeder according to claim 1, it is characterised in that: the lower cylinder sleeve (7) by boss (11) and under
Cylinder sleeve limit sleeve (10) limit.
9. anti-flushing well bleeder according to claim 1, it is characterised in that: the piston (6) and central tube (2) outer surface
It is sealed by the first cushion rubber (17)；Piston (6) and upper cylinder sleeve (3) inner surface are sealed by the second cushion rubber (18)；Piston (6) and lower cylinder sleeve
(7) inner surface is sealed by third cushion rubber (19)；Boss (11) and lower cylinder sleeve (7) inner surface are sealed by the 4th cushion rubber (20), center
Pipe (2) and lower cylinder sleeve (7) inner surface are sealed by the 5th cushion rubber (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566457.2A CN107130938B (en) | 2017-07-12 | 2017-07-12 | Anti-flushing well bleeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566457.2A CN107130938B (en) | 2017-07-12 | 2017-07-12 | Anti-flushing well bleeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107130938A CN107130938A (en) | 2017-09-05 |
| CN107130938B true CN107130938B (en) | 2019-05-21 |
Family
ID=59737407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710566457.2A Active CN107130938B (en) | 2017-07-12 | 2017-07-12 | Anti-flushing well bleeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107130938B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984910A (en) * | 2019-11-27 | 2020-04-10 | 淮安市井神钻采机具有限公司 | Energy-saving environment-friendly integral spraying anti-corrosion oil drain device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1704383A (en) * | 1926-07-19 | 1929-03-05 | Erd V Crowell | Tubing bleeder |
| US2270952A (en) * | 1940-11-02 | 1942-01-27 | Lee Hartley Burton | Tubing bleeder for oil well pumps |
| CN2402801Y (en) * | 1999-05-31 | 2000-10-25 | 阜新市石油工具厂 | Oil drain oil pipe anchor |
| CN201144794Y (en) * | 2007-12-14 | 2008-11-05 | 季惠军 | Sliding-casing type oil discharging apparatus |
| CN201412128Y (en) * | 2009-05-27 | 2010-02-24 | 中国石油天然气股份有限公司 | Multifunctional oil drain device |
| CN201416399Y (en) * | 2009-06-04 | 2010-03-03 | 中国石化集团胜利石油管理局井下作业公司 | Oil well immovable pipe column reversed well-flushing device |
-
2017
- 2017-07-12 CN CN201710566457.2A patent/CN107130938B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1704383A (en) * | 1926-07-19 | 1929-03-05 | Erd V Crowell | Tubing bleeder |
| US2270952A (en) * | 1940-11-02 | 1942-01-27 | Lee Hartley Burton | Tubing bleeder for oil well pumps |
| CN2402801Y (en) * | 1999-05-31 | 2000-10-25 | 阜新市石油工具厂 | Oil drain oil pipe anchor |
| CN201144794Y (en) * | 2007-12-14 | 2008-11-05 | 季惠军 | Sliding-casing type oil discharging apparatus |
| CN201412128Y (en) * | 2009-05-27 | 2010-02-24 | 中国石油天然气股份有限公司 | Multifunctional oil drain device |
| CN201416399Y (en) * | 2009-06-04 | 2010-03-03 | 中国石化集团胜利石油管理局井下作业公司 | Oil well immovable pipe column reversed well-flushing device |
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| Publication number | Publication date |
|---|---|
| CN107130938A (en) | 2017-09-05 |
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Effective date of registration: 20201118 Address after: 300000 No. three, Dagang Oilfield, Binhai New Area, Tianjin Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300000 No. three, Dagang Oilfield, Binhai New Area, Tianjin Patentee before: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Patentee before: DAGANG OILFIELD GROUP Co.,Ltd. |
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