CN107676063A - Working fluid injection device based on oil pumper - Google Patents
Working fluid injection device based on oil pumper Download PDFInfo
- Publication number
- CN107676063A CN107676063A CN201711138655.5A CN201711138655A CN107676063A CN 107676063 A CN107676063 A CN 107676063A CN 201711138655 A CN201711138655 A CN 201711138655A CN 107676063 A CN107676063 A CN 107676063A
- Authority
- CN
- China
- Prior art keywords
- pipe
- working fluid
- oil
- pump
- ascending pipe
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 68
- 238000002347 injection Methods 0.000 title claims abstract description 39
- 239000007924 injection Substances 0.000 title claims abstract description 39
- 230000001174 ascending effect Effects 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000010779 crude oil Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 210000002445 nipple Anatomy 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 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
-
- 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
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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention discloses a kind of working fluid injection device based on oil pumper, including oil pumper, sleeve pipe, oil pipe, circular passage is formed between the oil pipe and sleeve pipe, the first tubing pump is provided with the oil pipe, the upper end of the oil pipe is detachably provided with ascending pipe, the second tubing pump or simple pump are provided with the ascending pipe, and first tubing pump, the second tubing pump or simple pump are connected by sucker rod with oil pumper, working fluid ascending pipe is also associated with the ascending pipe, the working fluid ascending pipe extends to working fluid connecting tube along circular passage.Working fluid is injected stratum by this injection device using oil pumper self power system, when can substitute working fluid injection, the application of a whole set of job that requires special skills vehicle or equipment, greatly reduce operation consumption and operating expenses, but also can realize that injection discharge capacity is identical with production liquid speed degree, meet the requirement that small displacement is selectively administered, whole set process can meet a variety of demands, it is workable, it is applied widely.
Description
Technical field
The present invention relates to a kind of oil extraction in oil field measure technology, and in particular to a kind of working fluid injection dress based on oil pumper
Put.
Background technology
In the long-term recovery process in oil field, many problem of being unfavorable for crude oil production occur in oil-water well, especially develop
Into the middle and later periods, oil-water well measure is frequent, such as profile control, water blockoff, handles up, it is necessary to be safeguarded in time to oil-water well, measure is made
Industry.Conventional profile control, water blockoff, note the measure needs such as gather, handled up the liquid pumping on ground to stratum.But injection treatment fluid
Speed is fast, is easily caused operation pressure height, pollutes the problems such as non-object layer, so as to influence oil well output.Therefore, small displacement, gentle
Formula injection mode is formation protection, an important technology for increasing oil well stimulation production.
At present, downhole pumping installation is general as shown in figure 3, including the oil pumper on ground, the set in stratum
The oil pipe managed, be sheathed in sleeve pipe, bottom is provided with screen casing and plug in the oil pipe, in the oil pipe and positioned at the upper of screen casing
Side is provided with a tubing pump, and the tubing pump is connected by sucker rod with oil pumper, and it is logical that annular is formed between the oil pipe and sleeve pipe
Road, one end of the circular passage are provided with working fluid connecting tube, and the working fluid connecting tube often connects Special work vehicle (cement
Car or fracturing unit truck), high-pressure plunger pump (such as profile control pump) power is provided, working fluid is injected pit shaft and stratum.Both are provided
The method of power respectively has advantage and disadvantage：First, Special work vehicle is operated by diesel engine powers transfer tube, discharge capacity is larger, typically
In 18m3/ more than h, it is only suitable for short time injection operation, it is impossible to long-term operation；Second, high-pressure plunger pump is provided by power system
Power, pump work is driven, controllable discharge capacity is in 5~12m3/ d is, it is necessary to high-power transformer, cable, and larger smooth hard well site,
Constructed for a long time in being adapted to.But both approaches have that energy consumption is big, costly, workload is big, mobility is not strong, to well
The conditions such as field, road, weather require the problems such as high；Simultaneously relative to most of stripper wells (daily fluid production rate only has several sides), note
It is substantially bigger than normal to enter discharge capacity, easy polluted reservoir, particularly chemical profile control or water blockoff, because discharge capacity is big, easily causes to block oil reservoir etc.
Accident occurs.
The content of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of working fluid injection device based on oil pumper, this note
Enter device and working fluid is injected into stratum using oil pumper self power system, carry out some well maintenances and measures to reform, can be with
The application of a whole set of job that requires special skills vehicle or equipment is substituted, greatly reduces operation consumption and operating expenses, but also can realize
It is identical with production liquid speed degree to inject discharge capacity, meets the requirement that small displacement is selectively administered, whole set process can meet a variety of demands, construction
It is more safe and simple, economical, efficient, it is workable, it is applied widely.
In order to achieve the above object, the technical scheme that the present invention takes：
Working fluid injection device based on oil pumper, including oil pumper, sleeve pipe, the oil pipe in sleeve pipe, the oil pipe
Interior bottom is sequentially provided with plug and screen casing, forms circular passage between the oil pipe and sleeve pipe, the oil pipe upper end it is another
Side, which is provided with, adopts liquid outlet pipe, and one end of the circular passage is provided with working fluid connecting tube, and the oil pipe is interior and is located at the top of screen casing
Provided with the first tubing pump, the upper end of the oil pipe is removably connected with a working fluid injection part, the working fluid injection part
Ascending pipe including being detachably located at the oil pipe upper end, the side of the ascending pipe upper end communicate with circular passage, the note
Enter and a seal is provided between pipe and the oil pipe, the second tubing pump or simple pump, and described first are provided with the ascending pipe
Tubing pump, the second tubing pump or simple pump are connected by sucker rod with oil pumper, and working fluid is also associated with the ascending pipe
Ascending pipe, the working fluid ascending pipe extend to working fluid connecting tube along circular passage.
As optimal technical scheme, in order to prevent the end capacity compression of working fluid ascending pipe or hit damage, working fluid is improved
The crashworthiness hit intensity of ascending pipe, ensures being normally carried out for working fluid injection, and the end of the working fluid ascending pipe connects an anticollision
Hit joint or connector protection device.
As optimal technical scheme, in order to ensure fit sealing between ascending pipe and oil pipe, prevent working fluid from ascending pipe
Into oil pipe, influence working fluid and normally inject, reduce injection efficiency, while ensure easy installation and removal, the seal is set
For the pipe nipple of intermediate seal.
Compared with prior art, the device have the advantages that：
1st, working fluid is injected stratum by this injection device using oil pumper self power system, carry out some well maintenances and
Measures to reform, when can substitute working fluid injection, the application of a whole set of job that requires special skills vehicle or equipment, greatly reduce operation consumption
And operating expenses, but also can realize that injection discharge capacity is identical with production liquid speed degree, and meet the requirement that small displacement is selectively administered, it is whole
Set technique can meet a variety of demands, and construction is more safe and simple, economical, efficient, workable, applied widely.
2nd, the end of working fluid ascending pipe connects an anticollision joint or connector protection device, effectively prevents working fluid from injecting
The end capacity compression of pipe hits damage, improves the crashworthiness hit intensity of working fluid ascending pipe, ensures being normally carried out for working fluid injection.
3rd, seal is arranged to the pipe nipple of intermediate seal, ensures fit sealing between ascending pipe and oil pipe, prevents working fluid
Enter bottom oil pipe from ascending pipe, ensure that working fluid normally injects, improve injection efficiency, while ensure easy installation and removal.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is a kind of structural representation of the present invention；
Fig. 3 is the structural representation of existing working fluid injection device；
Drawing reference numeral：1st, oil pumper, 2, sleeve pipe, 3, oil pipe, 4, screen casing, 5, plug, 6, circular passage, 7, working fluid connection
Pipe, the 8, first tubing pump, 9, ascending pipe, 10, seal, the 11, second tubing pump, 12, simple pump, 13, sucker rod, 14, enter well
Liquid ascending pipe, 15, anticollision joint, 16, Hydraulic anchor, 17, pressure-resistant blowout prevention box, 18, Special work vehicle, 19, high-pressure plunger pump,
20th, working fluid tank.
Embodiment
A kind of specific embodiment of the proposition present invention as shown in Figure 1, the working fluid injection device based on oil pumper, including located at
Oil pumper 1 on ground, the sleeve pipe 2 in stratum, the oil pipe 3 being sheathed in sleeve pipe 2, the both sides of the oil pipe 3 pass through liquid
Oil pipe 3 is fixed in sleeve pipe 2 by power anchor 16, and the bottom in the oil pipe 3 is sequentially provided with plug 5 and screen casing 4, the oil pipe 3 with
Circular passage 6 is formed between sleeve pipe 2, is controlled using gate, one end of the circular passage 6 is provided with working fluid connecting tube 7, described
The first tubing pump 8 is provided with oil pipe 3 and positioned at the top of screen casing 4, the upper end of the oil pipe 3 is removably connected with a working fluid
Injection part, the working fluid injection part are included detachably on the ascending pipe 9 of the upper end of oil pipe 3, the ascending pipe 9
The side at end communicates with the circular passage 6, and the opposite side of the upper end of ascending pipe 9, which is provided with, adopts liquid outlet pipe, described to adopt liquid outlet pipe
It is connected with next production procedure, a seal 10 is provided between the ascending pipe 9 and the oil pipe 3, the seal 10 is used
In preventing the working fluid for injecting ascending pipe 9 from entering in oil pipe 3, the second tubing pump 11 or simple pump 12 are provided with the ascending pipe 9,
And first tubing pump 8, the second tubing pump 11 or simple pump 12 are connected by sucker rod 13 with oil pumper 1, the first tubular type
Pump 8 is original production pump, and normal recover the oil uses, and the second tubing pump 11 or simple pump 12 are this injection device, during its work, original production
Pump is stopped, and is additionally provided with working fluid ascending pipe 14 on the ascending pipe 9, and the working fluid ascending pipe 14 is along circular passage 6
Working fluid connecting tube 7 is extended to, the difference of this injection device and original tubing string figure is to remove crude oil in the upper end of crude oil pipe
The upper end of pipe 3 and sucker rod 13, this working fluid injection part is connected, then the top of the ascending pipe 9 is provided with as crude oil pipe
One pressure-resistant blowout prevention box 17, and the side of the ascending pipe 9 is additionally provided with a pipeline for entering other production procedures.
The present embodiment simple pump 12 has simply lacked bottom as shown in Fig. 2 simple pump 12 is identical with the structure of tubing pump
Standing valve, its operation principle is as tubing pump, upstroke：Piston stroking upward, the travelling valve on top is closed, under pump cylinder pressure
Drop, liquid enters in pump from tank along hollow pipe, while the liquid of pump upper part enters mesh along and into oil jacket annular space from sleeve pipe
Layer；Or enter offset well and carry out profile control, water blockoff；Down stroke：Descent of piston, the rise of pump cylinder pressure, the travelling valve on top are opened,
Liquid is discharged to out of pump in oil pipe more than piston, while the liquid volume that pump upper part discharge polished rod enters.Using simple
Not only cost is low for pump, can also utilize because of the bad pump of pump bottom standing valve sealing problem, reduce production cost.
The end of the working fluid ascending pipe 14 connects an anticollision joint 15 or connector protection device, effectively prevents into well
The end capacity compression of liquid ascending pipe 14 hits damage, improves the crashworthiness hit intensity of working fluid ascending pipe 14, ensures working fluid injection
Be normally carried out.
The seal 10 is arranged to the pipe nipple of intermediate seal, ensures fit sealing between ascending pipe 9 and oil pipe 3, effectively
Prevent working fluid from entering bottom oil pipe from ascending pipe, ensure that working fluid normally injects into well, it is ensured that injection efficiency, be also beneficial to extensive
Demutation is produced.
When the present invention uses：First oil-producing is stopped, such as Fig. 3 injection device, the upper end of oil pipe 3 and sucker rod 13 torn open
Remove, connect the working fluid injection part of the present invention, balancing, open and take out again, pressure testing, tank liquid is connected into working fluid ascending pipe 14
Interior, working fluid is injected into circular passage 6 by the second tubing pump 11 or simple pump 12 under the drive of oil pumper 1, and then is entered
Purpose oil reservoir, after the appropriate working fluid of injection to be done, working fluid injection part is removed, recovers original pipeline, you can open again
Well produces.
Certainly, simply the preferred embodiments of the disclosure is described in detail with reference to accompanying drawing above, not with this
The practical range of the present invention is limited, the equivalence changes that all principle, construction and structure under this invention are made, this all should be covered by
In the protection domain of invention.
Claims (3)
1. the working fluid injection device based on oil pumper, including oil pumper (1), sleeve pipe (2), the oil pipe being sheathed in sleeve pipe (2)
(3), the bottom in the oil pipe (3) is sequentially provided with plug (5) and screen casing (4), is formed between the oil pipe (3) and sleeve pipe (2)
Circular passage (6), one end of the circular passage (6) are provided with working fluid connecting tube (7), and the oil pipe (3) is interior and is located at screen casing
(4) top is provided with the first tubing pump (8), it is characterised in that：The upper end of the oil pipe (3) is removably connected with working fluid note
Enter part, the working fluid injection part includes the ascending pipe (9) for being detachably located at the oil pipe (3) upper end, the ascending pipe
(9) side of upper end is communicated with the circular passage (6), and a seal is provided between the ascending pipe (9) and the oil pipe (3)
(10) the second tubing pump (11) or simple pump (12), and first tubing pump (8), the second pipe, are provided with the ascending pipe (9)
Formula pump (11) or simple pump (12) are connected by sucker rod (13) with oil pumper (1), be also associated with the ascending pipe (9) into
Well liquid ascending pipe (14), the working fluid ascending pipe (14) extend to working fluid connecting tube (7) along circular passage.
2. the working fluid injection device according to claim 1 based on oil pumper, it is characterised in that：The working fluid injection
The end for managing (14) connects an anticollision joint (15).
3. the working fluid injection device according to claim 1 or 2 based on oil pumper, it is characterised in that：The seal
(10) it is arranged to the short circuit of intermediate seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138655.5A CN107676063A (en) | 2017-11-16 | 2017-11-16 | Working fluid injection device based on oil pumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138655.5A CN107676063A (en) | 2017-11-16 | 2017-11-16 | Working fluid injection device based on oil pumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107676063A true CN107676063A (en) | 2018-02-09 |
Family
ID=61150297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711138655.5A Pending CN107676063A (en) | 2017-11-16 | 2017-11-16 | Working fluid injection device based on oil pumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676063A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458386A (en) * | 2003-06-04 | 2003-11-26 | 中国海洋石油总公司 | Deepening liquid injection system for pipeline of liquid production well |
| RU84460U1 (en) * | 2009-02-06 | 2009-07-10 | Анатолий Андреевич Исаев | Borehole Pumping Unit |
| CN101839125A (en) * | 2010-02-25 | 2010-09-22 | 黄健 | Pressurized water injection device |
| CN103032056A (en) * | 2012-12-13 | 2013-04-10 | 中国石油化工股份有限公司 | Method and device for reducing viscosity of shaft applicable to extremely-viscous oil recovery |
| CN104806204A (en) * | 2015-05-11 | 2015-07-29 | 马军伟 | Single-bar oil extraction device and application method |
| CN105221114A (en) * | 2015-10-20 | 2016-01-06 | 高树娟 | Based on automatic filling and the aspirator of oil pumper |
| CN105863592A (en) * | 2016-05-27 | 2016-08-17 | 中国石油天然气股份有限公司 | Oil extracting method and device capable of reducing underground gas-oil ratio and improving pump efficiency |
| CN205778746U (en) * | 2016-05-25 | 2016-12-07 | 中国石油天然气股份有限公司 | Well head medicine-adding system and oil extraction system |
| CN106555579A (en) * | 2017-01-01 | 2017-04-05 | 陕西海山能源发展有限公司 | A kind of oil-water well fixed tubular column acidification technique system |
| CN207437034U (en) * | 2017-11-16 | 2018-06-01 | 钦州学院 | Working fluid injection device based on pumping unit |
-
2017
- 2017-11-16 CN CN201711138655.5A patent/CN107676063A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458386A (en) * | 2003-06-04 | 2003-11-26 | 中国海洋石油总公司 | Deepening liquid injection system for pipeline of liquid production well |
| RU84460U1 (en) * | 2009-02-06 | 2009-07-10 | Анатолий Андреевич Исаев | Borehole Pumping Unit |
| CN101839125A (en) * | 2010-02-25 | 2010-09-22 | 黄健 | Pressurized water injection device |
| CN103032056A (en) * | 2012-12-13 | 2013-04-10 | 中国石油化工股份有限公司 | Method and device for reducing viscosity of shaft applicable to extremely-viscous oil recovery |
| CN104806204A (en) * | 2015-05-11 | 2015-07-29 | 马军伟 | Single-bar oil extraction device and application method |
| CN105221114A (en) * | 2015-10-20 | 2016-01-06 | 高树娟 | Based on automatic filling and the aspirator of oil pumper |
| CN205778746U (en) * | 2016-05-25 | 2016-12-07 | 中国石油天然气股份有限公司 | Well head medicine-adding system and oil extraction system |
| CN105863592A (en) * | 2016-05-27 | 2016-08-17 | 中国石油天然气股份有限公司 | Oil extracting method and device capable of reducing underground gas-oil ratio and improving pump efficiency |
| CN106555579A (en) * | 2017-01-01 | 2017-04-05 | 陕西海山能源发展有限公司 | A kind of oil-water well fixed tubular column acidification technique system |
| CN207437034U (en) * | 2017-11-16 | 2018-06-01 | 钦州学院 | Working fluid injection device based on pumping unit |
Non-Patent Citations (2)
| Title |
|---|
| 曲占庆等主编: "采油工程", 中国石油大学出版社, pages: 65 - 68 * |
| 石油钻采地质生产实习指导书: "石油钻采地质生产实习指导书", 30 September 2001, 中国石油大学出版社, pages: 84 - 89 * |
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