CN2307102Y - Underground oil-water-separating water-filling oil-obtaining device - Google Patents
Underground oil-water-separating water-filling oil-obtaining device Download PDFInfo
- Publication number
- CN2307102Y CN2307102Y CN 97220418 CN97220418U CN2307102Y CN 2307102 Y CN2307102 Y CN 2307102Y CN 97220418 CN97220418 CN 97220418 CN 97220418 U CN97220418 U CN 97220418U CN 2307102 Y CN2307102 Y CN 2307102Y
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- level pump
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Abstract
The utility model relates to an underground oil-water-separating water-filling oil-obtaining device, which is composed of a ground motor, an underground I stage pump, a II stage pump, a spiral flow oil-water separator, a flexible shaft, a watering pipeline, etc. The oil-water mixed liquor coming from an oil layer is pumped into the pump through the I stage pump, which causes the liquid flow to enter the hydraulic spiral flow system oil-gas separator after pressurized, and the water separated by the separator enters the other watering layer through the watering pipeline, the separated oil is caused to enter the II stage pump through a specific channel, and the water and the oil are lifted to the ground after pressurized, therefore, the oil extraction energy consumption and the watering energy consumption are reduced, and the oil production cost is reduced.
Description
The utility model relates to a kind of novel underground oil-water separate type water flood recovery device, it belongs to the improvement to the mining equipment in the petroleum works, it mainly is by using the ground surface motor to drive the II level pump and the I level pump of down-hole oil tube, and the spiral-flow type oil water separator is set in the lower end of I level pump, make the water of separation refill the stratum, the oil that separates then is pumped to ground by special petroleum pipeline through the II level, thereby saves a large amount of energy.It mainly is to be made of assemblies such as ground surface motor, II level pump, flexible axle, I level pump and oil water separators.
In the oil exploitation process, the blowing time of oil well only accounts for the sub-fraction of whole recovery process.When can not blowing, just need recover the oil with the method for artificial lift because formation pressure reduces.Along with oil well enters development late stage, strata pressure continues to descend.When strata pressure is not enough to order about fluid and enters pit shaft, just need carry out the displacement of reservoir oil with the method for water filling supercharging.Like this, just make and contained a large amount of water in the liquid of lifting, sometimes unexpectedly up to more than 90%.In order to improve oil well output, the common practice is to adopt the large discharge pump oil pumping on the one hand, also big water gaging contained in the oil is given rise to ground simultaneously; On the other hand in order to safeguard that the required pressure in stratum makes that oil reservoir can continue to be exploited, and need refill oil reservoir to the water that has purified on ground again.Circulation has caused a large amount of energy wastes and so forth, makes cost of winning rise greatly.At Chinese patent (application number 96244432.4) though in relate to a kind of separate type injection-recovery apparatus that in oil pipe, adopts two-stage (two-speed) pump, the motor of its driving is arranged on the centre of two pumps, makes its structure relative complex, makes and also all relative difficulty is installed.
The purpose of this utility model is exactly to avoid the deficiencies in the prior art part and a kind of novel underground oil-water separate type water flood recovery device is provided, it both can be injected into the water in the stratum in the formation at target locations effectively and go, and can send oil back to ground by the cyclonic action of cyclone again.This down-hole pump formula water-oil separating water flood recovery device, mainly form by members such as ground motor, II level pump, I level pump, flexible axle, spiral-flow type oil water separator, filling pipe, oil pipe and beam hangers, its major technology characteristics are that II level pump, flexible axle, I level pump, spiral-flow type oil water separator in series are arranged in the oil pipe successively, the ground surface motor drives II level pump by beam hanger, and II level pump links to each other with I level pump by flexible axle and drives its rotation; The fluid passage of oil water separator upper end then is arranged on I level delivery side of pump place, and the outlet of its water injection pipe is arranged on the lower end of oil pipe, and is connected with sleeve pipe.
Accompanying drawing is a structural representation of the present utility model.
The drawing of accompanying drawing is described as follows: 10-oil reservoir 11-sleeve pipe liquid-through hole 12-oil pipe liquid-through hole 13-oil exit pipe 14-oil pipe 15-sleeve pipe 16-reduction gearing 17-ground, 8-packer 9-fluid passage, 1-beam hanger 2-II level pump 3-flexible axle 4-I level pump 5-oil water separator 6-water injection pipe 7-water filling stratum surface motor
In order to realize above-mentioned purpose of the present utility model better, it not only can be screw pump but also can be centrifugal pump that designer of the present utility model also is designed to I level pump and II level pump.
Describe design feature of the present utility model and operating principle in detail below in conjunction with drawings and Examples.
In actual design with in implementing, the screw pump that the designer adopts one-level pump and two stage pump, and oil pipe 14 and this device are put into the down-hole to exploiting oil reservoir 10 with workover rig.With packer 8 annular space between oil pipe 14 and the production string 15 is sealed, scurried to prevent that liquid from returning.With sucker rod 1 ground installation is connected with the down-hole unit, connects with flexible axle 3 between the I of down-hole unit, the II level screw pump 4,2.Like this, when starting ground motor, slow down the back by sucker rod 1 drive I, 4,2 runnings of II level screw pump, enter the intake of I level screw pump 4 simultaneously from sleeve pipe liquid-through hole 11 on the sleeve pipe 15 and the oil pipe liquid-through hole 12 on the oil pipe 14 from the oil-water mixture of oil reservoir 10, I level screw pump 4 sucks the oil-water mixture body, and supercharging enters spiral-flow type oil water separator 5 after discharge fluid passage 9.The water of separating from eliminator enters another water filling layer 7 through filling pipe 6, is other flushing displacement of reservoir oil.The oil of separating from eliminator (and the water that does not partly separate fully) enters II level screw pump 2 and give rise to ground after supercharging through oil exit pipe 13.Like this, drive I level, the work of II level screw pump by beam hanger behind the ground motor deceleration during work.I level screw pump from intake will oil-water mixture suction pump from oil reservoir in, make and enter the hydraulic cyclone formula gs-oil separator that is positioned at below this pump after the supercharging of liquid stream.The filling pipe of the water that is separated from eliminator below being positioned at eliminator enters the water filling layer; The oil of separating from eliminator (and part do not separate fully water) the then oil exit pipe through being arranged between I, the II level screw pump enters II level screw pump, gives rise to ground after supercharging.To contain 90% water from the down-hole and give rise to the energy on ground and the energy along the journey hydraulic loss of re-injection water with regard to having saved like this, recover the oil and the energy consumption of water filling, reduce cost for oil production thereby greatly reduce.
Claims (3)
1. down-hole pump formula water-oil separating water flood recovery device, it is made of ground motor (17), I level pump (4), II level pump (2), flexible axle (3), spiral-flow type oil water separator (5), filling pipe (6), oil pipe (14) and beam hanger (1), it is characterized in that II level pump (2), flexible axle (3), I level pump (4), spiral-flow type oil water separator (5) in series are arranged in the oil pipe (14) successively, ground surface motor (17) drives II level pump (2) by beam hanger (1), and II level pump (2) links to each other with I level pump (4) by flexible axle (3) and drives its rotation; The upper end of oil water separator (5) then is arranged on the exit of I level pump (2), and the outlet of its water injection pipe (6) is arranged on the lower end of oil pipe (14), and is connected with sleeve pipe (15).
2. down-hole pump formula water-oil separating water flood recovery device according to claim 1 is characterized in that described II level pump (4) and I level pump (2) can be screw pumps.
3. down-hole pump formula water-oil separating water flood recovery device according to claim 1 is characterized in that described II level pump (4) and I level pump (2) can be centrifugal pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97220418 CN2307102Y (en) | 1997-07-04 | 1997-07-04 | Underground oil-water-separating water-filling oil-obtaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97220418 CN2307102Y (en) | 1997-07-04 | 1997-07-04 | Underground oil-water-separating water-filling oil-obtaining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2307102Y true CN2307102Y (en) | 1999-02-10 |
Family
ID=33936103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97220418 Expired - Fee Related CN2307102Y (en) | 1997-07-04 | 1997-07-04 | Underground oil-water-separating water-filling oil-obtaining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2307102Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392629A (en) * | 2011-10-10 | 2012-03-28 | 中国石油大学(华东) | Pressurizing device for ground drive downhole oil-water separation injection-production system in same well |
| CN103104240A (en) * | 2013-01-15 | 2013-05-15 | 中国石油大学(华东) | Downhole oil-water separation device with multistage hydrocyclones in parallel |
| CN103883305A (en) * | 2014-01-20 | 2014-06-25 | 中国石油大学(华东) | Deepwater seabed oil and water separation and reinjection device |
| CN104948141A (en) * | 2015-06-05 | 2015-09-30 | 中国石油天然气股份有限公司 | Same well production and injection device |
| CN105064954A (en) * | 2015-07-24 | 2015-11-18 | 孟兵川 | Long-closed well pitshaft buoyancy oil collecting device |
| CN105408581A (en) * | 2013-06-24 | 2016-03-16 | 沙特***石油公司 | Integrated pump and compressor and method of producing multiphase well fluid downhole and at surface |
| CN107420076A (en) * | 2017-07-07 | 2017-12-01 | 中国石油天然气股份有限公司 | Turbine injection increasing device applied to oil field separate injection well |
| CN107473329A (en) * | 2017-10-12 | 2017-12-15 | 大庆油田有限责任公司 | Underground three swirler separator |
| CN112943171A (en) * | 2021-03-11 | 2021-06-11 | 哈尔滨艾拓普科技有限公司 | Cable-throwing type electric submersible screw pump and implementation method thereof |
-
1997
- 1997-07-04 CN CN 97220418 patent/CN2307102Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392629A (en) * | 2011-10-10 | 2012-03-28 | 中国石油大学(华东) | Pressurizing device for ground drive downhole oil-water separation injection-production system in same well |
| CN103104240B (en) * | 2013-01-15 | 2016-08-03 | 中国石油大学(华东) | A kind of downhole oil-water separation device of band plural parallel stage hydrocyclone |
| CN103104240A (en) * | 2013-01-15 | 2013-05-15 | 中国石油大学(华东) | Downhole oil-water separation device with multistage hydrocyclones in parallel |
| CN105408581B (en) * | 2013-06-24 | 2018-07-24 | 沙特***石油公司 | In the combined pump and compressor and method of underground and surface production multiphase well fluids |
| CN105408581A (en) * | 2013-06-24 | 2016-03-16 | 沙特***石油公司 | Integrated pump and compressor and method of producing multiphase well fluid downhole and at surface |
| CN103883305A (en) * | 2014-01-20 | 2014-06-25 | 中国石油大学(华东) | Deepwater seabed oil and water separation and reinjection device |
| CN104948141A (en) * | 2015-06-05 | 2015-09-30 | 中国石油天然气股份有限公司 | Same well production and injection device |
| CN104948141B (en) * | 2015-06-05 | 2017-12-05 | 中国石油天然气股份有限公司 | Same well production and injection device |
| CN105064954A (en) * | 2015-07-24 | 2015-11-18 | 孟兵川 | Long-closed well pitshaft buoyancy oil collecting device |
| CN107420076A (en) * | 2017-07-07 | 2017-12-01 | 中国石油天然气股份有限公司 | Turbine injection increasing device applied to oil field separate injection well |
| CN107473329A (en) * | 2017-10-12 | 2017-12-15 | 大庆油田有限责任公司 | Underground three swirler separator |
| CN107473329B (en) * | 2017-10-12 | 2020-08-14 | 大庆油田有限责任公司 | Underground three-stage cyclone separation device |
| CN112943171A (en) * | 2021-03-11 | 2021-06-11 | 哈尔滨艾拓普科技有限公司 | Cable-throwing type electric submersible screw pump and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: University of Petroleum (East China) Document name: Notice of termination |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |