CN109424343A - It is a kind of with note well head and well head with injecting method - Google Patents
It is a kind of with note well head and well head with injecting method Download PDFInfo
- Publication number
- CN109424343A CN109424343A CN201710776658.5A CN201710776658A CN109424343A CN 109424343 A CN109424343 A CN 109424343A CN 201710776658 A CN201710776658 A CN 201710776658A CN 109424343 A CN109424343 A CN 109424343A
- Authority
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- China
- Prior art keywords
- steam injection
- polished rod
- pump
- well head
- seal
- Prior art date
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- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 163
- 239000007787 solid Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 239000011148 porous material Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 4
- 239000003129 oil well Substances 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 28
- 238000005516 engineering process Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 210000002445 nipple Anatomy 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 235000004507 Abies alba Nutrition 0.000 description 1
- 241000191291 Abies alba Species 0.000 description 1
- 208000035874 Excoriation Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000009671 shengli Substances 0.000 description 1
- 239000000725 suspension 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
- 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
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
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)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention discloses a kind of with note well head and well head with injecting method, it include steam injection four-way with note well head, hollow rod, solid polished rod, steam injection four-way is mounted on well head, it further include steam injection canned pump pump barrel, steam injection seals pump plunger, the steam injection sealing pump plunger is mounted in steam injection canned pump pump barrel, wherein, steam injection canned pump upper end connects solid polished rod, steam injection seals pump plunger lower end and connects hollow rod, the steam injection sealing pump plunger opens up radial steam injection sieve pore, the steam injection canned pump pump barrel upper end connects steam injection four-way, in the steam injection canned pump pump barrel lower end insertion oil pipe, the oil pipe is located in casing.The present invention is applied to thick oil well mouth steam injection, can also be applied to high-solidifiability oil well well head steam injection, realizes and injects to the steam of pit shaft, improves pit shaft production fluid temperature.
Description
Technical field
The present invention relates to oil exploitation technology, specifically a kind of companion's note well head and well head are with injecting method.
Background technique
Shengli Oil Field heavy oil reserves are abundant, and due to viscosity of crude height, exploitation difficulty is big, mostly use more round steam soaks greatly
Mode is produced.The existing production wellhead with steam injection technology is mostly hollow polished rod sealing technology, and underground matching with hollow is taken out
Beam hanger technique；Ground steam injection technology is had additional when implementing, i.e. injection steam first passes through ground steam injection pipeline, then by hollow
Polished rod and hollow rod are realized to recover the oil with note；The steam injection pipeline connecting with hollow polished rod, which needs to set up, is fixed on certain altitude,
It moves up and down with hollow polished rod at work, and the security risk of abrasion pipeline leaked steam will be present.
It is disclosed by keywords, application number 201120533977.1, publication date 2012-09-19 such as retrieval steam injection, oil recoveries
A kind of steam injection oil recovery multipurpose well head device, including bottom flange, tubing head four-way assembly, variable buckle pipe nipple, combined sealing component, suspension
Device and christmas-tree assembly；Bottom flange is connect with the lower end of tubing head four-way assembly, the upper end of tubing head four-way assembly and production tree
Assembly connection；Variable buckle pipe nipple is located at the inner cavity of tubing head four-way assembly, and hanger lower end passes through the upper end of screw thread and variable buckle pipe nipple
Connection, is sealed between hanger and the cavity wall of tubing head four-way assembly using combined sealing component.
Although technology disclosed above is to have a bar oil recovery, whole technical solution, the technical issues of solving, beneficial effect etc.
It is all different, any technical inspiration is also not present.
Summary of the invention
The purpose of the present invention is to provide a kind of with note well head and well head with injecting method, and well head is using solid polished rod, soft or hard
Combination sealing realizes dynamic sealing to provide independent steam injection channel, independent adopt liquid channel.Applied to thick oil well mouth steam injection,
It can also be applied to high-solidifiability oil well well head steam injection, realize and the steam of pit shaft is injected, improve pit shaft production fluid temperature.
In order to achieve the above objectives, a kind of with note well head present invention employs following technical solution, including steam injection four-way,
Hollow rod, solid polished rod, steam injection four-way are mounted on well head, further include steam injection canned pump pump barrel, steam injection sealing pump plunger,
The steam injection sealing pump plunger is mounted in steam injection canned pump pump barrel, wherein and steam injection canned pump upper end connects solid polished rod,
Steam injection seals pump plunger lower end and connects hollow rod, and the steam injection sealing pump plunger opens up radial steam injection sieve pore, the note
Steam packing pumps pump barrel upper end and connects steam injection four-way, and the steam injection canned pump pump barrel lower end is inserted into oil pipe, and the oil pipe is located at set
In pipe.
Seal is opened up at the top of the well head, steam injection four-way side opens up steam injection mouth respectively, produces liquid mouth, sleeve connector port,
The seal passes through solid polished rod, and the steam injection mouth is sequentially communicated steam injection sieve pore, the inner cavity of steam injection sealing pump plunger, hollow pumping
The inner cavity of beam hanger, the production liquid mouth are connected to oil pipe, and described sleeve pipe connector is connected to casing.
Composite seal device is set at the seal, and steam injection gate is arranged in the steam injection mouth, and the production liquid mouth setting produces
Sleeve gate is arranged in liquid gate out, described sleeve pipe connector.
The composite seal device include the polished rod set gradually from bottom to top seal firmly, polished rod soft seal, solid polished rod
Polished rod is threaded through to seal firmly, in polished rod soft seal.
Solid polished rod is encircled in the polished rod soft seal, by squeezing, compressing solid polished rod realization to the level-one of solid polished rod
Sealing；Polished rod seals firmly realizes hard sealing by clearance fit with solid polished rod；Steam injection canned pump pump barrel and steam injection seal pump plunger shaft
Plug realizes combination sealing by clearance fit.
In order to reach above-mentioned another object, present invention employs following technical solution, a kind of companion's injecting method with note well head,
Including steam injection process and out liquid process, wherein steam injection process step are as follows: when solid polished rod moves up and down, polished rod soft seal and polished rod
Hard seal combination realizes the compound seal to solid polished rod, while steam injection canned pump pump barrel and steam injection canned pump plunger combination are realized
Hard sealing；Pump plunger, hollow oil pumping are sealed by steam injection gate, steam injection canned pump pump barrel, polished rod soft seal, steam injection sieve pore, steam injection
Bar forms steam injection channel；When steam injection, steam injection gate is opened, injection steam sequentially enters steam injection canned pump pump barrel, steam injection sieve pore, note
Steam packing pump plunger, hollow rod, to complete the Method In Steam Injection Process from well head to pit shaft.
The liquid process steps out are as follows: solid polished rod uplink, polished rod soft seal and the hard seal combination of polished rod are realized to solid
The compound seal of polished rod, while steam injection canned pump pump barrel and steam injection canned pump plunger combination realize hard sealing；By production fluid gate,
Oil pipe composition produces liquid channel；Production fluid is promoted by oil pipe and hollow rod annular space to oil pipe and steam injection canned pump pump barrel
Annular space opens production fluid gate, and production fluid enters surface gathering and transferring pipeline, then completes pit shaft production fluid from well head and go out liquid mistake
Journey.
Compared with the prior art, the present invention has the following beneficial effects:
1, well head realizes dynamic sealing using hollow rod, soft or hard combination sealing using solid polished rod, underground.
2, conventional well head adds dedicated steam injection four-way, and hangs inside steam injection canned pump separates well mouth oil pipe inner space,
It forms individual steam injection channel and individually adopts liquid channel, and steam injection channel is built in oil pipe.
Detailed description of the invention
Fig. 1, Fig. 2 are a kind of structural schematic diagram with note well head in the sustainable steam injection of well head of the present invention.
Fig. 2 is a kind of structural schematic diagram with note well head when well head goes out liquid of the present invention.
In figure: steam injection gate 1, production fluid gate 2, sleeve gate 3, solid polished rod 4, polished rod soft seal 5, polished rod seal firmly
6, steam injection sieve pore 7, casing 8, oil pipe 9, steam injection canned pump pump barrel 10, steam injection seal pump plunger 11, hollow rod 12.
Specific embodiment
Detailed description for the present invention and technology contents, cooperation Detailed description of the invention is as follows, however attached drawing is only to refer to and say
It is bright to be used, it is not intended to limit the present invention.
It is a kind of with note well head, including steam injection four-way, hollow rod 12, solid polished rod 4, note if attached drawing 1 is to shown in Fig. 2
Vapour four-way is mounted on well head, further includes steam injection canned pump pump barrel 10, steam injection sealing pump plunger 11, and the steam injection seals pump plunger
It is mounted in steam injection canned pump pump barrel, wherein steam injection seals 11 upper end of pump plunger and connects solid polished rod 4, and steam injection seals pump plunger
Lower end connects hollow rod 12, and the steam injection sealing pump plunger opens up radial steam injection sieve pore 7, the steam injection canned pump pump barrel
Upper end connects steam injection four-way, and 10 lower end of steam injection canned pump pump barrel is inserted into oil pipe 9, and the oil pipe is located in casing 8.
Seal is opened up at the top of the well head, steam injection four-way side opens up steam injection mouth respectively, produces liquid mouth, sleeve connector port,
The seal passes through solid polished rod, and the steam injection mouth is sequentially communicated the inner cavity, hollow of steam injection sieve pore 7, steam injection sealing pump plunger
The inner cavity of sucker rod, the production liquid mouth are connected to oil pipe 9, and described sleeve pipe connector is connected to casing 8.It is arranged at the seal compound
Steam injection gate 1 is arranged in sealing device, the steam injection mouth, and production fluid gate 2, the setting of described sleeve pipe connector is arranged in the production liquid mouth
Sleeve gate 3.
The composite seal device includes that the polished rod set gradually from bottom to top seals 6, polished rod soft seal 5, solid light firmly
Bar 4 is threaded through polished rod and seals firmly, in polished rod soft seal.
Solid polished rod is encircled in the polished rod soft seal, by squeezing, compressing solid polished rod realization to the level-one of solid polished rod
Sealing；Polished rod seals firmly realizes hard sealing by clearance fit with solid polished rod；Steam injection canned pump pump barrel and steam injection seal pump plunger shaft
Plug realizes combination sealing by clearance fit.
If attached drawing 1 is to shown in Fig. 2, all gates of this example are set as symmetric double flap turnstile door, and steam injection gate 1 is mounted on steam injection four
A spare steam injection gate is installed on the right side of steam injection four-way to guarantee safety continuous steam injection in logical left side；Production fluid gate 2 is in well head
Installation on the left of oil pipe four-way, it is spare that a production fluid gate is installed on right side；Sleeve gate 3 is installed on the left of wellhead casing pipe four-way,
It is spare that a sleeve gate is installed on right side.
As shown in Fig. 1, there are casing 8, oil pipe 9, steam injection canned pump pump barrel 10, steam injection sealing pump plunger in this example pit shaft
11, hollow rod 12 forms.
Steam injection process, when solid polished rod 4 moves up and down, polished rod soft seal 5 and polished rod seal 6 combinations firmly and realize to solid light
The compound seal of bar 4, while hard sealing is realized in steam injection canned pump pump barrel 10 and the steam injection sealing combination of pump plunger 11；By steam injection gate
1, steam injection canned pump pump barrel 10, solid polished rod 4, polished rod soft seal 5, polished rod seal 6, steam injection sieve pore 7, steam injection sealing pump plunger firmly
11, hollow rod 12 forms steam injection channel；When steam injection, steam injection gate 1 is opened, injection steam sequentially enters steam injection canned pump pump
Cylinder 10, steam injection sieve pore 7, steam injection seal pump plunger 11, hollow rod 12, so that the steam completed from well head to pit shaft injected
Journey.
Liquid process out, solid 4 uplink of polished rod, polished rod soft seal 5 and polished rod seal 6 combinations firmly and realize to solid polished rod 4
Compound seal, while hard sealing is realized in steam injection canned pump pump barrel 10 and the steam injection sealing combination of pump plunger 11；By production fluid gate 2,
Oil pipe 9, steam injection canned pump pump barrel 10, steam injection sealing pump plunger 11, the composition of hollow rod 12 produce liquid channel；Production fluid is by oil pipe
9 promote the annular space to oil pipe 9 and steam injection canned pump pump barrel 10 with 12 annular space of hollow rod, open production fluid gate
2, production fluid enters surface gathering and transferring pipeline, then completes pit shaft production fluid from well head and go out liquid process.
When it is implemented, casing 8 is hung in four-way junction of casing, oil pipe 9 is hung in oil pipe four-way, steam injection canned pump pump barrel
10 hang in steam injection four-way.Solid polished rod 4 is encircled in polished rod soft seal 5, and solid polished rod 4 is built in polished rod and seals in 6 firmly, solid
4 lower end of polished rod is connected with steam injection sealing pump plunger 11, steam injection sealing pump plunger 11 is built in steam injection canned pump pump barrel 10, steam injection
Sealing 11 lower end of pump plunger connection hollow rod 12, hollow rod 12 is built in oil pipe 9, oil pipe 9 is built in casing 8.
The foregoing is merely presently preferred embodiments of the present invention, non-to limit the scope of the patents of the invention, other are with this
The equivalence changes of patent of invention spirit should all belong to the scope of the patents of the invention.
Claims (7)
1. a kind of be mounted on well head with note well head, including steam injection four-way, hollow rod, solid polished rod, steam injection four-way, special
Sign is, further includes steam injection canned pump pump barrel, steam injection sealing pump plunger, and the steam injection sealing pump plunger is mounted on steam injection canned pump
In pump barrel, wherein steam injection canned pump upper end connects solid polished rod, and steam injection seals pump plunger lower end and connects hollow rod,
The steam injection sealing pump plunger opens up radial steam injection sieve pore, and the steam injection canned pump pump barrel upper end connects steam injection four-way, described
Steam injection canned pump pump barrel lower end is inserted into oil pipe, and the oil pipe is located in casing.
2. according to claim 1 a kind of with note well head, which is characterized in that open up seal, steam injection at the top of the well head
Four-way side open up respectively steam injection mouth, produce liquid mouth, sleeve connector port, the seal pass through solid polished rod, the steam injection mouth according to
Secondary connection steam injection sieve pore, steam injection seal the inner cavity of the inner cavity of pump plunger, hollow rod, and the production liquid mouth is connected to oil pipe, described
Sleeve connector port is connected to casing.
3. according to claim 2 a kind of with note well head, which is characterized in that compound seal is arranged at the seal and fills
It sets, steam injection gate is arranged in the steam injection mouth, and production fluid gate, described sleeve pipe connector setting set pipe closer is arranged in the production liquid mouth
Door.
4. according to claim 3 a kind of with note well head, which is characterized in that the composite seal device includes from bottom to top
The polished rod set gradually seals firmly, polished rod soft seal, and solid polished rod is threaded through polished rod and seals firmly, in polished rod soft seal.
5. according to claim 4 a kind of with note well head, which is characterized in that solid polished rod is encircled in the polished rod soft seal,
By squeezing, compressing solid polished rod realization to the primary seal of solid polished rod；Polished rod seals firmly is matched with solid polished rod by gap
It closes and realizes hard sealing；Steam injection canned pump pump barrel and steam injection seal pump plunger and realize combination sealing by clearance fit.
6. a kind of companion's injecting method with note well head, which is characterized in that including steam injection process and out liquid process, wherein steam injection process step
Suddenly are as follows: when solid polished rod moves up and down, polished rod soft seal and the hard seal combination of polished rod realize the compound seal to solid polished rod, together
When steam injection canned pump pump barrel and steam injection canned pump plunger combination realize hard sealing；By steam injection gate, steam injection canned pump pump barrel, polished rod
Soft seal, steam injection sieve pore, steam injection sealing pump plunger, hollow rod form steam injection channel；When steam injection, steam injection gate, note are opened
Enter steam and sequentially enter steam injection canned pump pump barrel, steam injection sieve pore, steam injection sealing pump plunger, hollow rod, to complete from well
Mouth arrives the Method In Steam Injection Process of pit shaft.
7. a kind of companion's injecting method with note well head according to claim 6, which is characterized in that the liquid process steps out
Are as follows: solid polished rod uplink, polished rod soft seal and the hard seal combination of polished rod realize the compound seal to solid polished rod, while steam injection is close
Envelope pump pump barrel and steam injection canned pump plunger combination realize hard sealing；It is made of production fluid gate, oil pipe and produces liquid channel；Production fluid by
Oil pipe and hollow rod annular space promote the annular space to oil pipe and steam injection canned pump pump barrel, open production fluid gate,
Production fluid enters surface gathering and transferring pipeline, then completes pit shaft production fluid from well head and go out liquid process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776658.5A CN109424343B (en) | 2017-08-31 | 2017-08-31 | Wellhead and wellhead injection-accompanying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776658.5A CN109424343B (en) | 2017-08-31 | 2017-08-31 | Wellhead and wellhead injection-accompanying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109424343A true CN109424343A (en) | 2019-03-05 |
| CN109424343B CN109424343B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710776658.5A Active CN109424343B (en) | 2017-08-31 | 2017-08-31 | Wellhead and wellhead injection-accompanying method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677484A (en) * | 2020-07-22 | 2020-09-18 | 吕学民 | Intelligent ultra-long stroke oil production system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111677484A (en) * | 2020-07-22 | 2020-09-18 | 吕学民 | Intelligent ultra-long stroke oil production system |
| CN111677484B (en) * | 2020-07-22 | 2023-08-18 | 梅河口市弘业无缝钢管有限公司 | Intelligent ultra-long stroke oil extraction production system |
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