CN107313755A - A kind of injection well downhole flow regulator external seal instrument and its application method - Google Patents
A kind of injection well downhole flow regulator external seal instrument and its application method Download PDFInfo
- Publication number
- CN107313755A CN107313755A CN201710782980.9A CN201710782980A CN107313755A CN 107313755 A CN107313755 A CN 107313755A CN 201710782980 A CN201710782980 A CN 201710782980A CN 107313755 A CN107313755 A CN 107313755A
- Authority
- CN
- China
- Prior art keywords
- flow regulator
- injection well
- downhole flow
- well downhole
- self
- 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.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
- E21B33/1265—Packers; Plugs with fluid-pressure-operated elastic cup or skirt with mechanical slips
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
- E21B33/1293—Packers; Plugs with mechanical slips for hooking into the casing with means for anchoring against downward and upward movement
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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)
- Gasket Seals (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of injection well downhole flow regulator external seal instrument and its application method, the injection well downhole flow regulator external seal instrument includes seal casinghousing, self-sealing rubber core and anti-channeling slips, it is a cavity inside the seal casinghousing, both ends open, it is socketed on outside injection well downhole flow regulator, and seal casinghousing can be slided up and down relative to injection well downhole flow regulator, at least two self-sealing rubber cores are internally provided with the seal casinghousing, two self-sealing rubber cores are spaced apart, seal casinghousing passes through self-sealing rubber core and the wall contacts of injection well downhole flow regulator, seal casinghousing constitutes sealing cavity with self-sealing rubber core, sealed effect can be played, and anti-channeling slips is set between seal casinghousing and injection well downhole flow regulator outer wall.The present invention is sealed using self-sealing rubber core to the hydrophthalmia upper and lower side that goes out of injection well downhole flow regulator, supported the use when using with wellheadpressure apparatus for work, injection well downhole flow regulator external seal tool cover is delivered in operation device under pressure on oil pipe during lift pipe string, so as to reach the purpose of work with pressure.
Description
Technical field
The present invention relates to technical field of petroleum extraction, specifically a kind of injection well downhole flow regulator external seal instrument and its user
Method.
Background technology
Injection well downhole flow regulator is the instrument being equipped with needed on the packer with water-filling function, for the moisture injected in oil pipe to be matched somebody with somebody
Each waterflood path on into packer, injection well downhole flow regulator is arranged in the central tube on packer, and several different water fillings are installed thereon
Mouth, is respectively used to the water filling of the upper and lower layer of packing element and water is distributed in the oil pipe that packer bottom is connected, under
The water filling of one packer lower floor.
During Operating Pressure, how to ensure that injection well downhole flow regulator goes out well head without with pressure of leakage and is one and very crucial ask
Topic.In the prior art, it will usually consider to blanking plug under injection well downhole flow regulator central tube, due to corrosion of incrustation scale and downhole tool etc. because
Element, it is difficult to produce a desired effect.
The content of the invention
It is an object of the invention to provide a kind of injection well downhole flow regulator external seal instrument and its application method, using external seal mode to
Hydrophone is sealed, and can act well head by injection well downhole flow regulator always, so as to realize the purpose of Operating Pressure.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
Inside a kind of injection well downhole flow regulator external seal instrument, including seal casinghousing, self-sealing rubber core and anti-channeling slips, the seal casinghousing
For a cavity, both ends open is socketed on outside injection well downhole flow regulator, and seal casinghousing can be slided up and down relative to injection well downhole flow regulator, described close
Envelope enclosure interior is provided with least two self-sealing rubber cores, i.e. the first self-sealing rubber core and the second packing unit, the first self-sealing rubber core and
Second packing unit is spaced apart, and seal casinghousing passes through the first self-sealing rubber core and the outer wall of the second packing unit and injection well downhole flow regulator
Contact, seal casinghousing constitutes sealing cavity with self-sealing rubber core, can play sealed effect, and outside seal casinghousing and injection well downhole flow regulator
Anti-channeling slips is set between wall.
The self-sealing rubber core, for sealed water injection allocator.The seal casinghousing is used for carrying the portions such as self-sealing rubber core, anti-channeling slips
Part.The anti-channeling slips,, can be by external seal work if pressure is larger when self-sealing rubber core plays sealing function to injection well downhole flow regulator
Tool is firmly locked on injection well downhole flow regulator, it is to avoid play.Its material of the self-sealing rubber core is nitrile rubber, and nitrile rubber has preferably close
Sealing property.
The operation principle of the present invention is as follows：
The hydrophthalmia upper and lower side that goes out of injection well downhole flow regulator is sealed using self-sealing rubber core, is shipped in Operating Pressure, so as to reach
The purpose of work with pressure.
Its application method is as follows：The injection well downhole flow regulator external seal instrument and wellheadpressure apparatus for work are supported the use, lift pipe string
When by injection well downhole flow regulator external seal tool cover on oil pipe, deliver in operation device under pressure, box cupling can be passed freely through, do not influence normal
Oil pipe is played, when playing injection well downhole flow regulator, external seal instrument upper end step is stuck on injection well downhole flow regulator, injection well downhole flow regulator outer end hydrophthalmia is carried out close
Envelope.
The beneficial effects of the present invention are：
The present invention is sealed using self-sealing rubber core to the hydrophthalmia upper and lower side that goes out of injection well downhole flow regulator, is shipped in Operating Pressure, from
And reach the purpose of work with pressure.Supported the use when using with wellheadpressure apparatus for work, by injection well downhole flow regulator external seal during lift pipe string
Tool cover is delivered in operation device under pressure on oil pipe, and box cupling can be passed freely through, and is not influenceed normally to play oil pipe, is matched somebody with somebody when playing
During hydrophone, external seal instrument upper end step is stuck on injection well downhole flow regulator, and injection well downhole flow regulator outer end hydrophthalmia is sealed.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the structural representation of the embodiment of the present invention two.
In figure：1-injection well downhole flow regulator；11-go out hydrophthalmia；2-- injection well downhole flow regulator external seal instruments；21-the first self-sealing rubber core；22-close
Capsule body；23-the second self-sealing rubber core；24-anti-channeling slips.
Embodiment
Embodiment one, as shown in figure 1, being provided with out hydrophthalmia 11 on injection well downhole flow regulator 1, goes out the upper half that hydrophthalmia 11 is located at injection well downhole flow regulator
Section, injection well downhole flow regulator external seal instrument 2 includes seal casinghousing 22, self-sealing rubber core and anti-channeling slips 24, and the inside of seal casinghousing 22 is
One cavity, both ends open is socketed on outside injection well downhole flow regulator 1, and seal casinghousing 22 can be slided up and down relative to injection well downhole flow regulator 1, described
Seal casinghousing 22 is internally provided with least two self-sealing rubber cores, i.e., the first self-sealing rubber core 21 as shown in Figure 1 and the second fluid sealant
Core 23, the first self-sealing rubber core 21 and the second packing unit 23 are spaced apart, and seal casinghousing 22 passes through the first self-sealing rubber core 21
With the wall contacts of the second packing unit 23 and injection well downhole flow regulator 1, seal casinghousing 22 constitutes sealing cavity with self-sealing rubber core, can played
Sealedly effect, and anti-channeling slips 24 is set between seal casinghousing 22 and the outer wall of injection well downhole flow regulator 1, the anti-channeling slips 24 is located at close
The lower end of capsule body 22, the anti-channeling slips 24 is located at the same side of the first self-sealing rubber core 21 and the second packing unit 23, that is, prevents
Slips 24 is altered outside the sealing cavity that seal casinghousing 22 is constituted with self-sealing rubber core.
The self-sealing rubber core, for sealed water injection allocator.
The seal casinghousing 22 is used for carrying the parts such as self-sealing rubber core, anti-channeling slips 24.
The anti-channeling slips 24,, can will be outer if pressure is larger when self-sealing rubber core plays sealing function to injection well downhole flow regulator
Sealing tool is firmly locked on injection well downhole flow regulator, it is to avoid play.
Its material of the self-sealing rubber core is nitrile rubber, and nitrile rubber has preferable sealing property.
The operation principle of the present invention is as follows：
The hydrophthalmia upper and lower side that goes out of injection well downhole flow regulator is sealed using self-sealing rubber core, is shipped in Operating Pressure, so as to reach
The purpose of work with pressure.
Embodiment two, as shown in Fig. 2 being provided with out hydrophthalmia 11 on injection well downhole flow regulator 1, goes out the lower half that hydrophthalmia 11 is located at injection well downhole flow regulator
Section, injection well downhole flow regulator external seal instrument 2 includes seal casinghousing 22, self-sealing rubber core and anti-channeling slips 24, and the inside of seal casinghousing 22 is
One cavity, both ends open is socketed on outside injection well downhole flow regulator 1, and seal casinghousing 22 can be slided up and down relative to injection well downhole flow regulator 1, described
Seal casinghousing 22 is internally provided with least two self-sealing rubber cores, i.e., the first self-sealing rubber core 21 as shown in Figure 1 and the second fluid sealant
Core 23, the first self-sealing rubber core 21 and the second packing unit 23 are spaced apart, and seal casinghousing 22 passes through the first self-sealing rubber core 21
With the wall contacts of the second packing unit 23 and injection well downhole flow regulator 1, seal casinghousing 22 constitutes sealing cavity with self-sealing rubber core, can played
Sealedly effect, and anti-channeling slips 24 is set between seal casinghousing 22 and the outer wall of injection well downhole flow regulator 1, the anti-channeling slips 24 is located at close
The middle part of capsule body 22, the anti-channeling slips 24 is located between the first self-sealing rubber core 21 and the second packing unit 23, i.e. Anti-leap
Watts 24 are located inside the sealing cavity that seal casinghousing 22 is constituted with self-sealing rubber core.
The course of work of the present invention is as follows：
Supported the use with wellheadpressure apparatus for work, injection well downhole flow regulator external seal instrument 2 is enclosed on oil pipe during lift pipe string, delivered to
In operation device under pressure, box cupling can be passed freely through, and not influence normally to play oil pipe, when playing injection well downhole flow regulator, on external seal instrument
End stand rank is stuck on injection well downhole flow regulator, and injection well downhole flow regulator outer end hydrophthalmia is sealed.
Disclosed above is only specific implementation of the patent example, but this patent is not limited to this, for the general of this area
For logical technical staff, under the premise without departing from the principles of the invention, the deformation made should be regarded as belonging to the scope of the present invention.
Claims (5)
1. a kind of injection well downhole flow regulator external seal instrument, it is characterised in that：Including seal casinghousing (22), self-sealing rubber core and anti-channeling slips
(24) it is, a cavity inside the seal casinghousing (22), both ends open is socketed on injection well downhole flow regulator (1) outside, and seal casinghousing (22)
It can be slided up and down relative to injection well downhole flow regulator (1), at least two self-sealing rubber cores, i.e., first are internally provided with the seal casinghousing (22)
Self-sealing rubber core (21) and the second packing unit (23), the first self-sealing rubber core (21) and the second packing unit (23) are spaced a spacing
From, seal casinghousing (22) by the first self-sealing rubber core (21) and the wall contacts of the second packing unit (23) and injection well downhole flow regulator (1),
Anti-channeling slips (24) is set between seal casinghousing (22) and injection well downhole flow regulator (1) outer wall.
2. injection well downhole flow regulator external seal instrument according to claim 1, it is characterised in that：The anti-channeling slips (24) is located at first
The same side of self-sealing rubber core (21) and the second packing unit (23), i.e. anti-channeling slips (24) be located at seal casinghousing (22) with from sealing
Outside the sealing cavity of core composition.
3. injection well downhole flow regulator external seal instrument according to claim 1, it is characterised in that：The anti-channeling slips (24) is located at first
Between self-sealing rubber core (21) and the second packing unit (23), i.e., anti-channeling slips (24) is located at seal casinghousing (22) and self-sealing rubber core group
Into sealing cavity inside.
4. the injection well downhole flow regulator external seal instrument according to Claims 2 or 3, it is characterised in that：Its material of the self-sealing rubber core is
Nitrile rubber.
5. the application method of injection well downhole flow regulator external seal instrument as claimed in claim 1, it is characterised in that：The injection well downhole flow regulator external seal work
Tool (2) and wellheadpressure apparatus for work are supported the use, and injection well downhole flow regulator external seal instrument (2) is enclosed on oil pipe during lift pipe string, delivered to
In operation device under pressure, box cupling can be passed freely through, and not influence normally to play oil pipe, when playing injection well downhole flow regulator, on external seal instrument
End stand rank is stuck on injection well downhole flow regulator, and injection well downhole flow regulator outer end hydrophthalmia is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782980.9A CN107313755B (en) | 2017-09-03 | 2017-09-03 | Water distributor external sealing tool and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782980.9A CN107313755B (en) | 2017-09-03 | 2017-09-03 | Water distributor external sealing tool and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313755A true CN107313755A (en) | 2017-11-03 |
| CN107313755B CN107313755B (en) | 2023-07-21 |
Family
ID=60176306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710782980.9A Active CN107313755B (en) | 2017-09-03 | 2017-09-03 | Water distributor external sealing tool and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313755B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2551765Y (en) * | 2002-06-14 | 2003-05-21 | 河北华北石油荣盛机械制造有限公司 | Pressure operator for water injection well |
| CN2698974Y (en) * | 2004-05-27 | 2005-05-11 | 中国石化胜利油田有限公司采油工艺研究院 | Setting control type water distributing device |
| CN200961477Y (en) * | 2006-10-18 | 2007-10-17 | 杨朝杰 | Anti-blowby eccentric water distributor for checking seal , adjusting and measuring |
| CN202165065U (en) * | 2011-08-10 | 2012-03-14 | 北京托普威尔石油技术服务有限公司 | Pipe column blanking plug |
| CN102678080A (en) * | 2011-03-16 | 2012-09-19 | 胜利方兰德石油装备股份有限公司 | Double-stage lifting oil-water well snubbing operation device |
| CN102828731A (en) * | 2012-09-20 | 2012-12-19 | 长春大吉油田工程技术有限公司 | Oil field water injection well dual-pressure cavity anti-blowout operation technology |
| CN104500004A (en) * | 2014-10-31 | 2015-04-08 | 中国石油化工股份有限公司 | Oil-water well perforating gun pulling device operating under pressure |
| CN206091926U (en) * | 2016-09-30 | 2017-04-12 | 中国石油天然气股份有限公司 | Device is proclaimed oneself to oil well operation pole pipe an organic whole |
| CN207245687U (en) * | 2017-09-03 | 2018-04-17 | 盐城市金巨石油机械制造有限公司 | A kind of injection well downhole flow regulator external seal instrument |
-
2017
- 2017-09-03 CN CN201710782980.9A patent/CN107313755B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2551765Y (en) * | 2002-06-14 | 2003-05-21 | 河北华北石油荣盛机械制造有限公司 | Pressure operator for water injection well |
| CN2698974Y (en) * | 2004-05-27 | 2005-05-11 | 中国石化胜利油田有限公司采油工艺研究院 | Setting control type water distributing device |
| CN200961477Y (en) * | 2006-10-18 | 2007-10-17 | 杨朝杰 | Anti-blowby eccentric water distributor for checking seal , adjusting and measuring |
| CN102678080A (en) * | 2011-03-16 | 2012-09-19 | 胜利方兰德石油装备股份有限公司 | Double-stage lifting oil-water well snubbing operation device |
| CN202165065U (en) * | 2011-08-10 | 2012-03-14 | 北京托普威尔石油技术服务有限公司 | Pipe column blanking plug |
| CN102828731A (en) * | 2012-09-20 | 2012-12-19 | 长春大吉油田工程技术有限公司 | Oil field water injection well dual-pressure cavity anti-blowout operation technology |
| CN104500004A (en) * | 2014-10-31 | 2015-04-08 | 中国石油化工股份有限公司 | Oil-water well perforating gun pulling device operating under pressure |
| CN206091926U (en) * | 2016-09-30 | 2017-04-12 | 中国石油天然气股份有限公司 | Device is proclaimed oneself to oil well operation pole pipe an organic whole |
| CN207245687U (en) * | 2017-09-03 | 2018-04-17 | 盐城市金巨石油机械制造有限公司 | A kind of injection well downhole flow regulator external seal instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107313755B (en) | 2023-07-21 |
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