CN109488265A - A kind of extracting device of oil and method of double layer oil pipe control formation pressure - Google Patents
A kind of extracting device of oil and method of double layer oil pipe control formation pressure Download PDFInfo
- Publication number
- CN109488265A CN109488265A CN201811074907.7A CN201811074907A CN109488265A CN 109488265 A CN109488265 A CN 109488265A CN 201811074907 A CN201811074907 A CN 201811074907A CN 109488265 A CN109488265 A CN 109488265A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- oil
- screen casing
- screwed connection
- casing
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
Abstract
The present invention relates to technical field of oil production engineering, belong to the extracting device of oil and method of a kind of double layer oil pipe control formation pressure, it solves the problems, such as the pressure disturbances between large span oil reservoir (300 ~ 850m).It is made of casing (1), sucker rod (2), oil pipe one (3), oil pipe variable buckle (4), screen casing one (5), oil pipe two (3 '), slip-type packer (6), oil pipe three (3 "), plunger (7), pump barrel (8), screen casing two (5 '), silk plug (9).The present invention forms annular space by casing (1) and oil pipe two (3 '), upper reservoir fluid enters in well via annular space, screen casing one (5), fluid applies certain pressure to upper oil reservoir in annular space, and oil reservoir produces in reasonable pressure limit in guarantee.The present invention has many advantages, such as to adjust pressure disturbances between oil reservoir, shakes out suitable for upper layer, the oil well of the big volume production gas of lower layer.
Description
Technical field
The present invention relates to technical field of oil production engineering, belong to extracting device of oil and the side of a kind of double layer oil pipe control formation pressure
Method.
Background technique
It is big (300~850m) for the oil well oil reservoir span in some oil fields, if can only be met using single-string multi-zone production method
The pressure requirements of one oil reservoir, it may be assumed that if met upper formation pressure, the lower oil reservoir pressure difference (pressure of formation pressure and fluid column to oil reservoir
Difference) it is small, may cause lower reservoir withdrawal it is small or not go out liquid；Such as meet lower formation pressure, oiling, it is poor excessive to be laminated, and may cause
Upper Crude Oil largely deaerates, and generates gas coning, influences Liquid output.Some oil production by layer method investments scene uses in recent years, but
Oil reservoir span is only applicable in 300m oil mining below, for this purpose, developing a kind of adopting for double layer oil pipe control formation pressure
Oily device and method carries out pressure control to large span oil reservoir, it is ensured that each oil reservoir produces under reasonable pressure, gives full play to oil
Layer production capacity, realizes oil production by layer, improves individual well Liquid output.
Summary of the invention
The purpose of the present invention is to provide for eliminating the pressure disturbances between large span oil reservoir (300~850m), realizing
The extracting device of oil and method of a kind of double layer oil pipe control formation pressure of oil production by layer.
Particular technique content of the invention is as follows: a kind of extracting device of oil of double layer oil pipe control formation pressure by casing, take out
Beam hanger, oil pipe one, oil pipe variable buckle, screen casing one, oil pipe two, slip-type packer, oil pipe three, plunger, pump barrel, screen casing two, silk plug
Composition；Oil pipe variable buckle upper end and one screwed connection of oil pipe in its middle sleeve, oil pipe variable buckle lower end and one screwed connection of screen casing, sieve
The successively screwed connection of Guan Yiyu oil pipe two, slip-type packer, oil pipe three and pump barrel, screen casing two, silk plug successively screwed connection, column
Plug and sucker rod screwed connection.
Using a kind of oil production method of the extracting device of oil of double layer oil pipe control formation pressure, include the following steps:
A, firstly, by slip-type packer, the oil pipe two of predetermined length and screen casing one successively screwed connection tripping in casing；
B, secondly, by oil pipe three successively with pump barrel, screen casing two, silk plug screwed connection, by one inside tripping in of screen casing；
C, in well head by oil pipe three and screen casing one respectively with the lower end screwed connection of oil pipe variable buckle, oil pipe one is upper with oil pipe variable buckle
Hold screwed connection；
D, slip-type packer is set in the lower part upper oil reservoir Di Jie；
E, by plunger and sucker rod screwed connection, by one tripping in pump barrel of oil pipe；
F, upper and lower reservoir fluid is lifted to ground by the pumping in pump barrel by plunger.
The present invention has the advantage that compared with prior art
1), the present invention can reduce the pressure disturbances between large span oil reservoir, guarantee upper and lower oil reservoir in reasonable pressure limit
Production gives full play to reservoir productivity, realizes oil production by layer, improves individual well Liquid output.
2), the present invention is more suitable for the oil well that upper layer shakes out, lower layer's gas production is big, can directly enroll lower layer by liquid level test
Submergence.
3), the present invention effectively improves the force-bearing situation of oil pipe, improves system operation reliability.
Detailed description of the invention: Fig. 1 is present invention process tubing string schematic diagram.
Specific embodiment: the present invention will be further explained below with reference to the attached drawings: a kind of double layer oil pipe control oil reservoir pressure
The extracting device of oil of power by casing 1, sucker rod 2, oil pipe 1, oil pipe variable buckle 4, screen casing 1, oil pipe 23 ', slip-type packer 6,
Oil pipe 33 ", plunger 7, pump barrel 8, screen casing 25 ', silk plug 9 form；4 upper end of oil pipe variable buckle in its middle sleeve 1 with one 3, oil pipe
Button connection, 4 lower end of oil pipe variable buckle and one 5 screwed connection of screen casing, screen casing 1 and oil pipe 23 ', the successively screw thread of slip-type packer 6
Connection, oil pipe 33 " with pump barrel 8, screen casing 25 ', the successively screwed connection of silk plug 9, plunger 7 and 2 screwed connection of sucker rod.
Using a kind of oil production method of the extracting device of oil of double layer oil pipe control formation pressure, include the following steps:
A, firstly, by slip-type packer 6, the oil pipe 23 ' of predetermined length and screen casing 1 successively screwed connection tripping in casing 1
It is interior；
B, secondly, by oil pipe 33 " successively with pump barrel 8, screen casing 25 ', 9 screwed connection of silk plug, by one 5 inside tripping in of screen casing；
C, in well head by oil pipe 33 " and screen casing 1 becomes with the lower end screwed connection of oil pipe variable buckle 4, oil pipe 1 and oil pipe respectively
The upper end screwed connection of button 4；
D, slip-type packer 6 is set in the lower part upper oil reservoir Di Jie；
E, by plunger 7 and 2 screwed connection of sucker rod, by one 3 tripping in pump barrel 8 of oil pipe；
F, upper and lower reservoir fluid is lifted to ground by the pumping in pump barrel 8 by plunger 7.
Claims (2)
1. the extracting device of oil of kind of double layer oil pipe control formation pressure, it is characterised in that: it is by casing (1), sucker rod (2), oil pipe
One (3), oil pipe variable buckle (4), screen casing one (5), oil pipe two (3 '), slip-type packer (6), oil pipe three (3 "), plunger (7), pump
Cylinder (8), screen casing two (5 '), silk plug (9) composition；Oil pipe variable buckle (4) upper end and oil pipe one (3) screw thread in its middle sleeve (1) connect
Connect, oil pipe variable buckle (4) lower end and screen casing one (5) screwed connection, screen casing one (5) and oil pipe two (3 '), slip-type packer (6) according to
Secondary screwed connection, oil pipe three (3 ") and pump barrel (8), screen casing two (5 '), silk plug (9) successively screwed connection, plunger (7) and sucker rod
(2) screwed connection.
2. the oil production method of the extracting device of oil using a kind of double layer oil pipe control formation pressure, it is characterised in that: including walking as follows
It is rapid:
A, firstly, by slip-type packer (6), the oil pipe two (3 ') of predetermined length and screen casing one (5) successively screwed connection tripping in
In casing (1)；
B, interior by screen casing one (5) secondly, by oil pipe three (3 ") successively with pump barrel (8), screen casing two (5 '), silk plug (9) screwed connection
Subordinate enters；
C, in well head by oil pipe three (3 ") and screen casing one (5) the lower end screwed connection with oil pipe variable buckle (4) respectively, oil pipe one (3)
With the upper end screwed connection of oil pipe variable buckle (4)；
D, slip-type packer (6) is set in the lower part upper oil reservoir Di Jie；
E, by plunger (7) and sucker rod (2) screwed connection, by oil pipe one (3) tripping in pump barrel (8)；
F, by plunger (7) pumping in pump barrel (8), upper and lower reservoir fluid is lifted to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074907.7A CN109488265B (en) | 2018-09-14 | 2018-09-14 | Oil extraction device and method for controlling oil layer pressure by double-layer oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074907.7A CN109488265B (en) | 2018-09-14 | 2018-09-14 | Oil extraction device and method for controlling oil layer pressure by double-layer oil pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109488265A true CN109488265A (en) | 2019-03-19 |
| CN109488265B CN109488265B (en) | 2021-03-09 |
Family
ID=65690480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811074907.7A Active CN109488265B (en) | 2018-09-14 | 2018-09-14 | Oil extraction device and method for controlling oil layer pressure by double-layer oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488265B (en) |
Citations (11)
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|---|---|---|---|---|
| WO1998025005A1 (en) * | 1996-12-02 | 1998-06-11 | Kelley & Sons Group International, Inc. | Method and apparatus for increasing fluid recovery from a subterranean formation |
| CN1510249A (en) * | 2002-12-23 | 2004-07-07 | 北京海能海特石油科技发展有限公司 | Completion system of oil and gas wells with regulatably controlling flows of formation fluid or filled fluid in divided sections |
| CN1564902A (en) * | 2001-09-07 | 2005-01-12 | 国际壳牌研究有限公司 | Adjustable well screen assembly |
| CN2718257Y (en) * | 2004-04-10 | 2005-08-17 | 辽河石油勘探局 | Inforced double-runner oil producing device by layer |
| US20120199362A1 (en) * | 2011-02-03 | 2012-08-09 | Halliburton Energy Services, Inc. | Methods of maintaining sufficient hydrostatic pressure in multiple intervals of a wellbore in a soft formation |
| CN103573230A (en) * | 2012-07-24 | 2014-02-12 | 思达斯易能源技术(集团)有限公司 | Selective mining process and equipment thereof |
| CN203452758U (en) * | 2013-07-19 | 2014-02-26 | 中国石油天然气股份有限公司 | ASP flooding multi-layered double-layered tube eccentric separate injection device for separate injection well |
| CN203685148U (en) * | 2014-02-14 | 2014-07-02 | 朱立影 | Layered oil production pipe |
| CN204457683U (en) * | 2014-12-15 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of pumpingh well cross-layer divides device for picking |
| CN205117312U (en) * | 2015-11-10 | 2016-03-30 | 中国石油化工股份有限公司 | CO2 drives gas -tight technology tubular column |
| CN206309359U (en) * | 2016-11-18 | 2017-07-07 | 中国石油天然气股份有限公司 | Small interlayer water plugging string |
-
2018
- 2018-09-14 CN CN201811074907.7A patent/CN109488265B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998025005A1 (en) * | 1996-12-02 | 1998-06-11 | Kelley & Sons Group International, Inc. | Method and apparatus for increasing fluid recovery from a subterranean formation |
| CN1564902A (en) * | 2001-09-07 | 2005-01-12 | 国际壳牌研究有限公司 | Adjustable well screen assembly |
| CN1510249A (en) * | 2002-12-23 | 2004-07-07 | 北京海能海特石油科技发展有限公司 | Completion system of oil and gas wells with regulatably controlling flows of formation fluid or filled fluid in divided sections |
| CN2718257Y (en) * | 2004-04-10 | 2005-08-17 | 辽河石油勘探局 | Inforced double-runner oil producing device by layer |
| US20120199362A1 (en) * | 2011-02-03 | 2012-08-09 | Halliburton Energy Services, Inc. | Methods of maintaining sufficient hydrostatic pressure in multiple intervals of a wellbore in a soft formation |
| CN103573230A (en) * | 2012-07-24 | 2014-02-12 | 思达斯易能源技术(集团)有限公司 | Selective mining process and equipment thereof |
| CN203452758U (en) * | 2013-07-19 | 2014-02-26 | 中国石油天然气股份有限公司 | ASP flooding multi-layered double-layered tube eccentric separate injection device for separate injection well |
| CN203685148U (en) * | 2014-02-14 | 2014-07-02 | 朱立影 | Layered oil production pipe |
| CN204457683U (en) * | 2014-12-15 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of pumpingh well cross-layer divides device for picking |
| CN205117312U (en) * | 2015-11-10 | 2016-03-30 | 中国石油化工股份有限公司 | CO2 drives gas -tight technology tubular column |
| CN206309359U (en) * | 2016-11-18 | 2017-07-07 | 中国石油天然气股份有限公司 | Small interlayer water plugging string |
Non-Patent Citations (2)
| Title |
|---|
| 王庆莲等: "大跨距油层单泵分采工艺技术", 《油气田地面工程》 * |
| 罗先强: "分层合采管柱的研制及现场应用", 《内蒙古石油化工》 * |
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| Publication number | Publication date |
|---|---|
| CN109488265B (en) | 2021-03-09 |
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