CN101294485A - Oil production method and apparatus for horizontal oil well - Google Patents
Oil production method and apparatus for horizontal oil well Download PDFInfo
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- CN101294485A CN101294485A CNA2008100167998A CN200810016799A CN101294485A CN 101294485 A CN101294485 A CN 101294485A CN A2008100167998 A CNA2008100167998 A CN A2008100167998A CN 200810016799 A CN200810016799 A CN 200810016799A CN 101294485 A CN101294485 A CN 101294485A
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Abstract
The invention relates to an oil production method and the device for horizontal oil wells in the oil industry. The technical scheme of the oil production method of the invention is as follows: a concentric dual oil pipe is connected with the lower part of the wellhead assembly; a pump barrel, a hydraulic jet pump inside the pump barrel and a tow-tailed pipe are connected with the lower end of an inner oil pipe; a valve is arranged under the hydraulic jet pump; the two-tailed pipe is horizontally arranged under the pump barrel, the inner tailed pipe is a pipe with small diameter to increase the liquid flow rate, the outer tailed pipe is connected with the outer oil pipe, and a sieve tube is arranged at the middle part of the outer tailed pipe. Power fluid flows into a hydraulic jet pump core which communicates with the inner oil pipe and is arranged in the pump barrel from the under-well inner oil pipe to start the hydraulic jet pump which sucks the formation fluid into the pump through the inner tailed pipe connected with the lower part of the hydraulic jet pump; the formation fluid is mixed with the power liquid and reaches the ground. The beneficial effects are as follows: increasing production press drop; largely improving the oil yield; solving the problems of eccentric wear of single well, inclined shaft of platform well and horizontal well; in addition, solving the problem of packer invalidation in inclined shafts and horizontal wells.
Description
One, technical field:
The present invention relates to the horizontal well that a kind of petroleum industry uses and shake out, the content of wax and heavy crude reservoir crude oil production, horizontal well oil production method and device that particularly a kind of improved crude oil extraction is used.
Two, background technology:
In the oil extraction process, because the influence of factors such as oil reservoir structure, crude oil property, formation water composition, extracting device of oil must adapt to the requirement of various oil reservoirs such as shaking out, the content of wax, aqueous corrosion, oil are thick.And along with the progress of drilling technology, the exploitation of platform (comprising offshore platform) well group and the exploitation of inclined shaft and horizontal well production technology, at present, adopt the production effect of sucker rod pump and rodless pump all undesirable, wherein sucker rod pump can only move production about the kickoff point (KOP) of down-hole, and that the electric submersible pump in the rodless pump requires crude oil is too tight, as contains sand, viscous crude and all can not produce.In addition, the standing valve in the hydraulic jet pump can not be lowered to kickoff point (KOP) following (or net horizontal section), and oil pipe advances power fluid, and band packer under the pump, make the oil jacket annular space fuel-displaced, tail pipe adopts the oil pipe of diameter 73mm, and there are the following problems: 1, admission data difficulty, 2, packer easily lost efficacy, 3, the tail pipe flow area can not be adjusted, and it is unfavorable that sand well is produced, and 4, the big grains of sand and trouble of lost tool in hole in the oil reservoir of down-hole easily enter the hydraulic jet pump pump housing, cause pump to lose efficacy cisco unity malfunction.
Three, summary of the invention:
Purpose of the present invention is exactly the above-mentioned defective that exists at prior art, and a kind of horizontal well oil production method and device that hydraulic jet pump is installed to the horizontal segment of horizontal well is provided, and has increased producing pressure differential, can increase substantially oil well output.
Its technical scheme is: horizontal well oil production method of the present invention is: by connect in the bottom of wellhead assembly by inner oil tube and outside the concentric double tube formed of oil pipe, the inner oil tube lower end connects hydraulic jet pump and the two tail pipe in pump barrel, the pump barrel, hydraulic jet pump is installed the horizontal fixed valve down, pump barrel is installed two tail pipes down, interior tail pipe is a narrow tube, increase flow rate of liquid, the outer tail pipe middle part that links to each other with outer oil pipe connects screen casing; With power fluid from the down-hole inner oil tube to the hydraulic jet pump pump core that is attached thereto in the logical pump barrel, make the jetting pump work, the interior tail pipe that hydraulic jet pump links to each other by its underpart is in the formation fluid suction pump, it is with after power fluid mixes, on reach to ground.
Horizontal well extracting device of oil of the present invention: comprise hydraulic jet pump and tail pipe in throw in catcher, wellhead assembly, oil pipe, pump barrel, the pump barrel, described wellhead assembly top links to each other with throw in catcher, the wellhead assembly bottom connects double tube, the inner oil tube lower end is provided with hydraulic jet pump and the tail pipe in pump barrel, the pump barrel, hydraulic jet pump is installed in the described pump barrel, hydraulic jet pump is installed the horizontal fixed valve down, and pump barrel is installed two tail pipes down, envelope device in the concentric inner oil tube and the lower end of outer oil pipe are installed.
Wherein, above-mentioned two tail pipes are made up of interior tail pipe and outer tail pipe, and interior tail pipe is installed in the lower end of pump barrel, the tail pipe outside in outer tail pipe is enclosed within, and sandpipe is leaked in the installation of outer tail pipe middle part.
In addition, the Lou lower end of sandpipe is crossed in the lower end of interior tail pipe, and the upper end of interior tail pipe is connected with the lower end of outer oil pipe.
Wherein, above-mentioned horizontal fixed valve mainly is made up of body, track, valve seat, valve and magnet steel, chamber body is equipped with track, dress valve in the track, valve is the dress valve seat down, dress magnet steel in the valve seat, and described valve moves along track cross level, when resetting, by the magnetic force and the sealing of fluid power and magnet steel.
The track inner chamber is provided with a plurality of orbital planes and a plurality of flow channel for liquids, and orbital plane supports the valve orbital motion.
Fluid in the oil reservoir (crude oil, water, all, a little particle) arrives interior tail pipe to hydraulic jet pump through outer tail pipe, after high voltage power liquid is from the inner oil tube to the hydraulic jet pump, form negative pressuren zone in the hydraulic jet pump, fluid is with after power fluid mixes, arrive inside and outside oil pipe annular space, and the ground that arrives.
The beneficial effect that the method that the present invention adopts compared with prior art has is as follows: adopt oil production method of the present invention and horizontal fixed valve, two tail pipe devices etc. hydraulic jet pump can be installed to net horizontal section below the kickoff point (KOP) of horizontal well, increased producing pressure differential, increase substantially oil well output, solved (contain offshore platform) from the individual well eccentric wear to the platform at present inclined shaft of well, the difficult problem of horizontal well; In addition, adopt concentric double tube tubing string, solved the packer Problem of Failure in inclined shaft, the horizontal well, and be easier to enroll the data of casing pressure and producing fluid level.
Four, description of drawings:
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is structural representations of horizontal fixed valve of the present invention;
Accompanying drawing 3 is A-A sectional views of horizontal fixed valve of the present invention;
Among the figure: 1, throw in catcher; 2, wellhead assembly; 3, well head four-way; 4, inner oil tube; 5, outer oil pipe; 6, sleeve pipe; 7, pump barrel; 8, horizontal fixed valve; 9, interior tail pipe; 10, leak sandpipe; 11, outer tail pipe; 12, tail is stifled; 13, hydraulic jet pump; 14, interior envelope device; 15, oil reservoir; 16, artificial bottom of a well, 8.1, body; 8.2, track; 8.3, valve seat; 8.4, valve and 8.5, magnet steel; 8.6, orbital plane; 8.7, a plurality of flow channel for liquids.
Five, the specific embodiment:
The horizontal well production method that the present invention adopts is: by the bottom at wellhead assembly connect by inner oil tube and outside the concentric double tube formed of oil pipe, the inner oil tube lower end connects hydraulic jet pump and the two tail pipe in pump barrel, the pump barrel, hydraulic jet pump is installed the horizontal fixed valve down, pump barrel is installed two tail pipes down, interior tail pipe is a narrow tube, increase flow rate of liquid, the outer tail pipe middle part that links to each other with outer oil pipe connects screen casing; With power fluid from the down-hole inner oil tube to the hydraulic jet pump pump core that is attached thereto in the logical pump barrel, make the jetting pump work, the interior tail pipe that hydraulic jet pump links to each other by its underpart is in the formation fluid suction pump, it is with after power fluid mixes, on reach to ground.
In conjunction with the accompanying drawings 1, extracting device of oil of the present invention mainly comprises throw in catcher 1, wellhead assembly 2, sleeve pipe 6, oil pipe, pump barrel 7, hydraulic jet pump and tail pipe in the pump barrel, described wellhead assembly top links to each other with throw in catcher, the wellhead assembly bottom connects concentric double tube by well head four-way 3, wherein, the inner oil tube lower end is provided with pump barrel 7, hydraulic jet pump and tail pipe and artificial bottom of a well 16 in the pump barrel, in the described pump barrel 7 hydraulic jet pump 13 is installed, hydraulic jet pump is installed horizontal fixed valve 8 13 times, pump barrel is installed two tail pipes for 7 times, envelope device 14 in the lower end of inner oil tube 4 and outer oil pipe 5 is installed.Wherein, above-mentioned two tail pipes are made up of interior tail pipe 9 and outer tail pipe 11, and interior tail pipe is installed in the lower end of pump barrel 7, the tail pipe outside in outer tail pipe 11 is enclosed within, and outer tail pipe 11 middle parts are installed and are leaked sandpipe 10, and its installation position is in the middle and lower part of oil reservoir 15, and the bottom is by stifled 12 sealings of tail.The upper end is connected with outer oil pipe, and Lou sandpipe lower end is crossed in the lower end of the down interior tail pipe of pump, and the upper end of interior tail pipe is connected with the lower end of outer oil pipe, seals with interior envelope device 14 between inner oil tube and the outer oil pipe.
Wherein, with reference to accompanying drawing 2 and 3, above-mentioned horizontal fixed valve 8 mainly is made up of body 8.1, track 8.2, valve seat 8.3, valve 8.4 and magnet steel 8.5, body 8.1 inner chambers are equipped with track 8.2, dress valve 8.4 in the track, and valve is dress valve seat 8.3 down, dress magnet steel 8.5 in the valve seat 8.3, described valve moves along track cross level, when resetting, by the magnetic force and the sealing of fluid power and magnet steel 8.5.Track 8.2 inner chambers are provided with a plurality of orbital planes 8.6 and a plurality of flow channel for liquids 8.7, and orbital plane supports valve 8.4 orbital motions.When down-hole pump aspirated, valve left valve seat, but can only move in the track of rule.When valve resets, under the double acting of fluid power and magnetic force, reset and seal along track.
Its operating principle is that fluid in the oil reservoir (crude oil, water, all, a little particle) arrives interior tail pipe to the pump core through outer tail pipe, i.e. hydraulic jet pump, when high voltage power liquid from inner oil tube behind the pump core, the pump in-core forms negative pressuren zone, fluid arrives inside and outside oil pipe annular space with after power fluid mixes, and the ground that arrives.
Specifically be described below in conjunction with wellhead assembly:
When following pump or production, open valve F, A, C and E on the wellhead assembly, valve-off D and B, power fluid flows out by valve F-A-down-hole-C-E.
When playing pump, open valve liquid and flow to successively: F-D-down-hole-B-E, valve-off A and C.
Of the present invention pair of tail pipe compared with single tail pipe of prior art: the outer tail pipe in two tail pipes is provided with leakage sandpipe, stops Bulky grain sand and trouble of lost tool in hole in the oil reservoir of down-hole enter little tail such as the cotton of bringing the down-hole in the oil well operation process into, yarn etc. Pipe when avoiding above-mentioned foreign material to reach hydraulic jet pump, blocks the pump housing and causes the oil well operation maintenance, has affected crude output.
The advantage of concentric double tube: easy construction, safety; Can be used for the offshore platform oil well; Be difficult for causing down-hole accident.
The area of interior tail pipe is adjustable, according to oil well the yield by estimation output, adjusts the flow area of little tail pipe, is conducive to sand production in oil The time, do not affect ordinary production.
Claims (8)
1, a kind of horizontal well oil production method, it is characterized in that adopting following method: by connect in the bottom of wellhead assembly by inner oil tube and outside the concentric double tube formed of oil pipe, the inner oil tube lower end connects hydraulic jet pump and the two tail pipe in pump barrel, the pump barrel, hydraulic jet pump is installed the horizontal fixed valve down, pump barrel is installed two tail pipes down, interior tail pipe is a narrow tube, increases flow rate of liquid, and the outer tail pipe middle part that links to each other with outer oil pipe connects screen casing; With power fluid from the down-hole inner oil tube to pump barrel that inner oil tube is connected in hydraulic jet pump pump core, make the jetting pump work, the interior tail pipe that hydraulic jet pump links to each other by its underpart is in the formation fluid suction pump, and formation fluid is with after power fluid mixes, on reach to ground.
2, horizontal well oil production method according to claim 1, it is characterized in that: described pair of tail pipe is made up of interior tail pipe (9) and outer tail pipe (11), interior tail pipe is installed in the lower end of pump barrel (7), the tail pipe outside in outer tail pipe (11) is enclosed within, and leakage sandpipe (10) is installed at outer tail pipe (11) middle part.
3, horizontal well oil production method according to claim 1, it is characterized in that: described horizontal fixed valve (8) mainly is made up of body (8.1), track (8.2), valve seat (8.3), valve (8.4) and magnet steel (8.5), body (8.1) inner chamber is equipped with track (8.2), dress valve (8.4) in the track, valve is dress valve seat (8.3) down, dress magnet steel (8.5) in the valve seat (8.3), described valve moves along track cross level, when resetting, by the magnetic force and the sealing of fluid power and magnet steel (8.5).
4, a kind of horizontal well extracting device of oil, it is characterized in that: comprise throw in catcher (1), wellhead assembly (2), oil pipe, pump barrel (7), hydraulic jet pump and tail pipe in the pump barrel, described wellhead assembly top links to each other with throw in catcher, the wellhead assembly bottom connects double tube, the inner oil tube lower end is provided with pump barrel (7), hydraulic jet pump and tail pipe in the pump barrel, it is characterized in that: hydraulic jet pump (13) is installed in the described pump barrel (7), hydraulic jet pump (13) is installed horizontal fixed valve (8) down, pump barrel (7) is installed two tail pipes down, envelope device (14) in the lower end of concentric inner oil tube (4) and outer oil pipe (5) is installed.
5, horizontal well extracting device of oil according to claim 4, it is characterized in that: described pair of tail pipe is made up of interior tail pipe (9) and outer tail pipe (11), interior tail pipe is installed in the lower end of pump barrel (7), the tail pipe outside in outer tail pipe (11) is enclosed within, and leakage sandpipe (10) is installed at outer tail pipe (11) middle part.
6, horizontal well extracting device of oil according to claim 5 is characterized in that: the Lou lower end of sandpipe (10) is crossed in the lower end of tail pipe (9) in described, and the upper end of interior tail pipe (9) is connected with the lower end of outer oil pipe.
7, horizontal well extracting device of oil according to claim 4, it is characterized in that: described horizontal fixed valve (8) mainly is made up of body (8.1), track (8.2), valve seat (8.3), valve (8.4) and magnet steel (8.5), body (8.1) inner chamber is equipped with track (8.2), dress valve (8.4) in the track, valve is dress valve seat (8.3) down, dress magnet steel (8.5) in the valve seat (8.3), described valve moves along track cross level, when resetting, by the magnetic force and the sealing of fluid power and magnet steel (8.5).
8, horizontal well extracting device of oil according to claim 7 is characterized in that: described track (8.2) inner chamber is provided with a plurality of orbital planes and a plurality of flow channel for liquids, and orbital plane supports valve (8.4) orbital motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100167998A CN101294485A (en) | 2008-06-18 | 2008-06-18 | Oil production method and apparatus for horizontal oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100167998A CN101294485A (en) | 2008-06-18 | 2008-06-18 | Oil production method and apparatus for horizontal oil well |
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| CN101294485A true CN101294485A (en) | 2008-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100167998A Pending CN101294485A (en) | 2008-06-18 | 2008-06-18 | Oil production method and apparatus for horizontal oil well |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769271B (en) * | 2010-01-14 | 2012-11-21 | 韩克楚 | Deep-well oil-extraction external flow-channel direct and reverse circulation freely-throwing jet injector oil production method and device |
| CN103998783A (en) * | 2011-12-15 | 2014-08-20 | 雷兹生产有限公司 | Horizontal and vertical well fluid pumping system |
| CN106194118A (en) * | 2015-04-30 | 2016-12-07 | 中国石油天然气股份有限公司 | The oil production method of sidetracked hole and extracting device of oil |
| CN106401519A (en) * | 2016-10-21 | 2017-02-15 | 承德市开发区富泉石油机械有限公司 | Device and method for taking out broken cable in well under pressure |
| CN106988731A (en) * | 2017-06-02 | 2017-07-28 | 韩克楚 | Horizontal oil-water well concentric tube column underground dynamic checkout unit and method |
| CN106988693A (en) * | 2017-06-02 | 2017-07-28 | 韩克楚 | Concentric tube double-jet aeration negative pressure sand pumping device and method |
| CN112282709A (en) * | 2020-10-26 | 2021-01-29 | 中海油田服务股份有限公司 | Capturing device and capturing method for pump core of jet pump |
-
2008
- 2008-06-18 CN CNA2008100167998A patent/CN101294485A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769271B (en) * | 2010-01-14 | 2012-11-21 | 韩克楚 | Deep-well oil-extraction external flow-channel direct and reverse circulation freely-throwing jet injector oil production method and device |
| CN103998783A (en) * | 2011-12-15 | 2014-08-20 | 雷兹生产有限公司 | Horizontal and vertical well fluid pumping system |
| CN106194118A (en) * | 2015-04-30 | 2016-12-07 | 中国石油天然气股份有限公司 | The oil production method of sidetracked hole and extracting device of oil |
| CN106401519A (en) * | 2016-10-21 | 2017-02-15 | 承德市开发区富泉石油机械有限公司 | Device and method for taking out broken cable in well under pressure |
| CN106401519B (en) * | 2016-10-21 | 2019-01-22 | 承德市开发区富泉石油机械有限公司 | A kind of device and method with pressure taking out fracture cable in well |
| CN106988731A (en) * | 2017-06-02 | 2017-07-28 | 韩克楚 | Horizontal oil-water well concentric tube column underground dynamic checkout unit and method |
| CN106988693A (en) * | 2017-06-02 | 2017-07-28 | 韩克楚 | Concentric tube double-jet aeration negative pressure sand pumping device and method |
| CN106988731B (en) * | 2017-06-02 | 2023-07-21 | 韩克楚 | Underground dynamic testing device and method for concentric pipe columns of horizontal oil-water well |
| CN112282709A (en) * | 2020-10-26 | 2021-01-29 | 中海油田服务股份有限公司 | Capturing device and capturing method for pump core of jet pump |
| CN112282709B (en) * | 2020-10-26 | 2023-03-14 | 中海油田服务股份有限公司 | Capturing device and capturing method for pump core of jet pump |
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Open date: 20081029 |