CN1740567A - Hydraulic oil pumping device for inclined shaft - Google Patents
Hydraulic oil pumping device for inclined shaft Download PDFInfo
- Publication number
- CN1740567A CN1740567A CN 200410057314 CN200410057314A CN1740567A CN 1740567 A CN1740567 A CN 1740567A CN 200410057314 CN200410057314 CN 200410057314 CN 200410057314 A CN200410057314 A CN 200410057314A CN 1740567 A CN1740567 A CN 1740567A
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- Prior art keywords
- pipeline
- hydraulic
- oil
- valve
- electro
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- 238000005086 pumping Methods 0.000 title claims abstract description 13
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims description 8
- 239000002828 fuel tank Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 239000003129 oil well Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000605 extraction Methods 0.000 abstract 1
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
A hydraulic oil pumping device for an inclined shaft relates to a hydraulic power device for oil exploitation. The hydraulic automatic compensation system is characterized in that a power pump is connected with an inlet of an electro-hydraulic reversing valve, an outlet A of the electro-hydraulic reversing valve is connected with an energy converter to form a hydraulic power system, the energy converter is connected with a well head and a small oil pipe to form a hydraulic drive conversion pipeline, a proximity switch is respectively connected with a pressure relay and the electro-hydraulic reversing valve through leads to form a pressure control automatic reversing device, and a liquid supplementing valve is connected with an oil-water separator and forms a power liquid automatic compensation system together with an energy accumulator and a voltage stabilizer. The device can protect the oil pipe from being damaged, prolongs the pump checking period, reduces the operating cost of the oil well, improves the production efficiency of the oil well, has low operating cost, saves electric energy, can automatically compensate the power fluid loss in a hydraulic system, and ensures the normal work of the oil pipe. The present invention is especially suitable for oil extraction in oil well with great well inclination.
Description
Technical field
The present invention relates to a kind of petroleum production hydraulic power unit.
Background technique
The device of oil field underground mining oil is mainly based on rod pump at present, and this rod pump device drives the underwell pump to-and-fro motion by the ground beam pumping unit by sucker rod, and the production fluid in the stratum is given rise to ground.This oil pumping mode is used in vertical pit shaft, and the eccentric wear phenomenon between sucker rod and the oil pipe is also not obvious, if use in the pit shaft that tilts, the eccentric wear phenomenon between sucker rod and the oil pipe increases the weight of with regard to the gradient increase of returning with folding.According to statistics, the rod parting accident that causes because of its eccentric wear has reached more than 30% of oil well pump detection and workover amount.Sucker rod partial wear in this inclined shaft, one side have strengthened the workload of operation inspection pump, the expense of pump detection and workover is strengthened, and the life-span of oil pipe and sucker rod is reduced greatly, change oil pipe and sucker rod cost of production is strengthened.Carry out pump detection and workover continually, the production timeliness of oil well is reduced greatly, directly have influence on the manufacturing efficiency of oil well.Though in the oil field some hydraulic piston pumps are arranged also, its efficient is low, the highest have only 25%, because of technical and have many problems economically, seldom uses at present.
Summary of the invention
The purpose of this invention is to provide a kind of inclined shaft hydraulic oil pumping device, utilize liquid as dynamic medium, drive the hydraulic well pump of down-hole, fundamentally solve in the inclined shaft oil recovery because the problem of the eccentric wear that to-and-fro motion took place of sucker rod in oil pipe, can increase work efficiency, reduce investment cost and cost of production.
Technical solution of the present invention is to realize like this, a kind of inclined shaft hydraulic oil pumping device, by motor connect mutually with kinetic pump, kinetic pump is connected to form by pipeline and well head, its special way is: (1) kinetic pump 2 is connected by the import P of pipeline and electro-hydraulic reversing valve 8, its outlet A is connected with enegrgy converter 19,18 respectively by pipeline 12,14, the import B of electro-hydraulic reversing valve 8 is connected with enegrgy converter 19,18 respectively by pipeline 13,15, the outlet T of electro-hydraulic reversing valve 8 is connected by pipeline 4 and fuel tank 1, constitutes hydraulic power system.(2) enegrgy converter 18 is connected by the joint of pipeline 33 with well head 34, and enegrgy converter 19 is connected by the upper end of pipeline 32 with little oil pipe 36, forms liquid and drives the conversion pipeline.(3) make-up valve 22 is connected with pipeline 15,33,32,12 respectively by pipeline 9,20,21,31.(4) on pipeline 12,13, be connected with pressure relay 11,10 respectively.(5) be installed in the upper end of enegrgy converter 18,19 respectively near switch 16,17, be connected with pressure relay 11,10 and electric liquid changing valve 8 respectively, constitute the pressure control automatic reversing apparatus by lead.(6) make-up valve 22 is connected with oil and water seperator 24 by pipeline 23, by pipeline voltage stabilizer 28 is installed between pipeline 23 and the pipeline 29, and they constitute the power fluid self compensating system jointly.
The invention has the beneficial effects as follows; (1) this hydraulic oil pumping device and the supporting composition hydraulic oil pumping system of hydraulic well pump that is installed in the down-hole; drive oil well pump work by power fluid, avoided the mechanical to-and-fro motion in pit shaft fully, therefore in the pit shaft of any gradient; can not produce friction to oil pipe; can protect oil pipe not to be damaged, prolong pump detection period, reduce the number of times and the time of the pump detection and workover of oil well; reduce the operating cost of oil well, improve the manufacturing efficiency of oil well.(2) because the piece volumes that is adopted in this device is less, and structure is simpler, can reduce investment cost, investment cost can save 70% approximately.(3) and hydraulic pump system compare, use this hydraulic oil pumping device, power fluid is lossless, need not power fluid dehydration and matches, operating cost is low, can economize on electricity about 30%.(4) because this hydraulic oil pumping device has the pressure control automatic reversing apparatus, can make its automatic reverse according to the job requirement of underwell pump.(5) this hydraulic oil pumping device also has the power fluid self compensating system, can compensate the power fluid loss in the hydraulic system automatically, guarantees its proper functioning.
Description of drawings
Accompanying drawing is the schematic representation that each parts of the present invention are connected with pipeline also and oil well links together.
Embodiment
Kinetic pump 2 is selected manual volume adjustable hydraulic pump for use, connects mutually with motor 3 by coupling.Kinetic pump 2 is communicated with by pipeline, valve and heat exchanger and fuel tank 1, and the outlet of kinetic pump 2 is connected by the import P of pipeline 6 and electro-hydraulic reversing valve 8, on pipeline 6 one-way valve is installed.Enegrgy converter 18,19 adopts the ZL01278477 patented technology.The outlet A of electro-hydraulic reversing valve 8 is connected by the lower interface of pipeline 12 with enegrgy converter 19, and is connected by the last interface of pipeline 14 and enegrgy converter 18.The import B of electro-hydraulic reversing valve 8 is connected by the last interface of pipeline 13 and enegrgy converter 19, and is connected by the lower interface of pipeline 15 with enegrgy converter 18.On pipeline 12,13, be separately installed with pressure relay 11,10.The outlet T of electro-hydraulic reversing valve 8 is communicated with by pipeline 4 and fuel tank 1, and setting pressure table, one-way valve and radiator on pipeline 4 are installed voltage stabilizer 5 by pipeline between pipeline 4,6.On pipeline 6, accumulator 7 also is installed by flow controller, valve.The following end interface of enegrgy converter 18 is connected by the joint of pipeline 33 with well head 34, and the following end interface of enegrgy converter 19 is connected by the upper end of pipeline 32 with little oil pipe 36.Be installed in the upper end of enegrgy converter 18,19 respectively near switch 16,17, be connected with pressure relay 11,10 and electric liquid changing valve 8 respectively by lead near switch 16,17, constitute the pressure control automatic reversing apparatus, can control the to-and-fro motion of underwell pump 38 effectively.The left end interface of make-up valve 22 is connected with pipeline 15 by pipeline 9, the right-hand member interface is connected with pipeline 12 by pipeline 31, make-up valve 22 upper left interfaces are connected with pipeline 33 by pipeline 20, upper right interface is connected with pipeline 32 by pipeline 21, its lower interface is connected by the bottom right interface of pipeline 23 and oil and water seperator 24, and valve and one-way valve are installed on pipeline 23.The upper right interface of oil and water seperator 24 is connected with pipeline 29, on pipeline 29 pressure maintaining valve is installed.Between pipeline 23 and pipeline 29, be connected with pipeline, accumulator 27, pressure maintaining valve 28 and pressure gauge are installed on this pipeline.Make-up valve 22, oil and water seperator 24 and pressure maintaining valve 28 constitute the automatic liquid supply system, under the effect of the power of surging, guiding valve in the make-up valve 22 is opened or closed, provide the loss and the leakage of compensating liquid well dynamic liquid by oil and water seperator 24, but make underwell pump 38 full stroke work.One end of pipeline 25 is connected with the fuse of oil and water seperator 24, and the other end is connected with heat exchanger 26 in being installed in fuel tank 1, and the other end of heat exchanger 26 is connected by the interface of pipeline 30 with sleeve pipe 47.Above-mentioned fuel tank 1, kinetic pump 2, motor 3, electro-hydraulic reversing valve 8, enegrgy converter 18,19 and make-up valve 22, oil and water seperator 24 etc. link together by pipeline, are installed in the ground hydraulic station.Packet 41 is installed in wellbore casing 37, and by being threaded togather, underwell pump 38 adopts the ZL01275433 patented technology in proper order for standing valve 40, liquid discharging valve 39 and underwell pump 38.Little oil pipe 36 is sleeved in the Big Inch 35, forms annular space between them, and their lower end is connected with the upper end of underwell pump 38.
When oil well is produced, motor 3 drives kinetic pump 2 power fluid is provided, by enegrgy converter 18,19, with water the medium liquid that is used as power, by pipeline 32,33 enter respectively in the little oil pipe 36 with big, in the annular space between the little oil pipe, the piston that drives in the underwell pump 38 pumps, underwell pump 38 inner plunger are under the driving of piston, up by closing after standing valve 40 imbibitions, descending discharge opeing enters sleeve pipe 37 annular spaces by liquid discharging valve 39, and because of packet 41 is installed in wellbore casing 37, discharge opeing can not turn back to the suction port place of underwell pump 38, can only drain into ground by casing annulus, realize the purpose of recovering the oil.The present invention is specially adapted in the bigger well recovery of well bore gradient.
Claims (1)
1. an inclined shaft hydraulic oil pumping device is connect with kinetic pump (2) mutually by motor (3), and kinetic pump (2) is connected to form by pipeline and well head, it is characterized in that:
1. kinetic pump (2) is connected by the import P of pipeline (6) with electro-hydraulic reversing valve (8), its outlet A is connected with enegrgy converter (19,18) respectively by pipeline (12,14), the import B of electro-hydraulic reversing valve (8) is connected with enegrgy converter (19,18) respectively by pipeline (13,15), the outlet T of electro-hydraulic reversing valve (8) is connected with fuel tank (1) by pipeline, constitutes hydraulic power system;
2. enegrgy converter (18) is connected by the joint of pipeline (33) with well head (34), and enegrgy converter (19) is connected by the upper end of pipeline (32) with little oil pipe (36), forms liquid and drives the conversion pipeline;
3. make-up valve (22) is connected with pipeline (15,33,32,12) respectively by pipeline (9,20,21,31);
4. on pipeline (12,13), be connected with pressure relay (11,10) respectively;
5. be installed in the upper end of enegrgy converter (18,19) near switch (16,17) respectively, be connected with pressure relay (11,10) and electric liquid changing valve (8) respectively, constitute the pressure control automatic reversing apparatus by lead;
6. make-up valve (22) is connected with oil and water seperator (24) by pipeline (23), by pipeline voltage stabilizer (28) is installed between pipeline (23) and the pipeline (29), and they constitute the power fluid self compensating system jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100573141A CN100356062C (en) | 2004-08-27 | 2004-08-27 | Hydraulic oil pumping device for inclined shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100573141A CN100356062C (en) | 2004-08-27 | 2004-08-27 | Hydraulic oil pumping device for inclined shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1740567A true CN1740567A (en) | 2006-03-01 |
| CN100356062C CN100356062C (en) | 2007-12-19 |
Family
ID=36093061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100573141A Expired - Fee Related CN100356062C (en) | 2004-08-27 | 2004-08-27 | Hydraulic oil pumping device for inclined shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100356062C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364042A (en) * | 2011-11-07 | 2012-02-29 | 中国石油化工股份有限公司 | Hydraulically driven oil extraction device for high-inclination well |
| CN103104433A (en) * | 2013-02-14 | 2013-05-15 | 天津市仕杰达能源技术开发有限公司 | Large-discharge built-in automatic reversing hydraulic plunger pump |
| CN103306954A (en) * | 2013-07-09 | 2013-09-18 | 孙家谦 | Underground hydrodynamic oil pumping system |
| CN108505984A (en) * | 2018-05-29 | 2018-09-07 | 南京聚源隆能源科技有限公司 | A kind of well liquid drive pressure charging system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2287672Y (en) * | 1997-04-02 | 1998-08-12 | 浙江大学 | Power recovery hydraulic well pumping unit for offshore oil production |
| US6808693B2 (en) * | 2001-06-12 | 2004-10-26 | Hydrotreat, Inc. | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive |
| CN2528962Y (en) * | 2001-12-17 | 2003-01-01 | 中国石油天然气股份有限公司 | Piston type oil-water energy converter |
| CN2549176Y (en) * | 2002-06-10 | 2003-05-07 | 赵怀文 | Signal-feedback pumping unit |
| CN2599230Y (en) * | 2002-12-09 | 2004-01-14 | 宋逸飞 | Hydraulic self-control beam-pumping unit |
-
2004
- 2004-08-27 CN CNB2004100573141A patent/CN100356062C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364042A (en) * | 2011-11-07 | 2012-02-29 | 中国石油化工股份有限公司 | Hydraulically driven oil extraction device for high-inclination well |
| CN103104433A (en) * | 2013-02-14 | 2013-05-15 | 天津市仕杰达能源技术开发有限公司 | Large-discharge built-in automatic reversing hydraulic plunger pump |
| CN103104433B (en) * | 2013-02-14 | 2015-04-29 | 天津市仕杰达能源技术开发有限公司 | Large-discharge built-in automatic reversing hydraulic plunger pump |
| CN103306954A (en) * | 2013-07-09 | 2013-09-18 | 孙家谦 | Underground hydrodynamic oil pumping system |
| CN108505984A (en) * | 2018-05-29 | 2018-09-07 | 南京聚源隆能源科技有限公司 | A kind of well liquid drive pressure charging system |
| CN108505984B (en) * | 2018-05-29 | 2024-03-08 | 南京聚源隆能源科技有限公司 | Oil well liquid drives pressure boost system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100356062C (en) | 2007-12-19 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 |