CN106121594A - A kind of reducing sand control screen - Google Patents
A kind of reducing sand control screen Download PDFInfo
- Publication number
- CN106121594A CN106121594A CN201610755016.2A CN201610755016A CN106121594A CN 106121594 A CN106121594 A CN 106121594A CN 201610755016 A CN201610755016 A CN 201610755016A CN 106121594 A CN106121594 A CN 106121594A
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- China
- Prior art keywords
- sand
- jurisdiction
- steel plate
- screen section
- block steel
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of reducing sand control screen, mandrel including connected pipes, the upper connection being respectively fitted over the upper and lower two ends of mandrel for fastening means and lower connector, the multi-disc sand screen section of jurisdiction of split-type and the sand block steel plate between two panels sand screen section of jurisdiction, the multi-disc sand screen section of jurisdiction of split-type and multi-disc sand block steel plate just constitute the profile in a full circle week, and multi-disc sand screen section of jurisdiction and multi-disc sand block steel plate are connected in upper connection and lower connector by linkage respectively；Having certain space between naturalness, adjacent two panels sand screen section of jurisdiction, sand block steel plate is positioned at the inboard gear the inside in space of adjacent two panels sand screen section of jurisdiction；In reducing state, linkage expands outwardly, and supports split-type sand screen section of jurisdiction and is radially expanded with sand block steel plate simultaneously, makes the multi-disc sand screen section of jurisdiction of split-type and multi-disc sand block steel plate just constitute the profile that a full circle is all.Solve sand and the blocking of test string runner is buried problem with packer sand.
Description
Technical field
The present invention relates to a kind of sand control screen, especially a kind of reducing sand control screen.
Background technology
Sand production is loose sand Reservoir Development and the medium-term and long-term difficult problem faced of tubing string job execution.Oil testing is made
For the one of oil well pipe job execution, stratum production capacity under dynamic condition, fluidity data can be obtained.Existing construction technology, tubing string
Generally require and stay the time that two weeks is the most longer in down-hole.In the process, due to strata pressure recovery and release and
The flowing of wellbore fluid in Oil testing, often causes formation sand production, and on the one hand formation sand production can cause test string to block,
So that Oil testing can not take entirely takes quasi-record；On the other hand output sand in stratum can be piled up above packer, draws
Play packer cannot normally unseal, whole testing tool string sand can be caused time serious to bury shaft bottom, work progress is caused greatly
Difficulty, especially in multilamellar zonal testing, tool string is longer in the time of underground work, the probability of this situation occurs more
High.Therefore, for the formation sand production problem occurred during solving oil and gas well testing, it is proposed that a kind of by applying well dynamic
Realize sand control screen reducing so that it is be close to the borehole wall, it is ensured that particulate sand can only be had to enter well by screen casing, it is achieved oil well is actively
Sand control.
Summary of the invention
The technical problem to be solved is to provide a kind of reducing sand control screen, and simple in construction, by ground letter
Single operation can realize the expansion of sand control screen, solves sand and with packer sand, the blocking of test string runner is buried problem.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of reducing sand control screen, including even
Connect the mandrel of oil pipe, for the upper connection being respectively fitted over the upper and lower two ends of mandrel of fastening means and lower connector, split-type
Multi-disc sand screen section of jurisdiction and the sand block steel plate between two panels sand screen section of jurisdiction, the multi-disc sand screen section of jurisdiction of split-type and multi-disc
Sand block steel plate just constitutes the profile in a full circle week, and multi-disc sand screen section of jurisdiction and multi-disc sand block steel plate pass through linkage respectively
It is connected on upper connection and lower connector；Between naturalness, adjacent two panels sand screen section of jurisdiction, there is certain space, gear
Sand steel plate is positioned at the inboard gear the inside in space of adjacent two panels sand screen section of jurisdiction；In reducing state, linkage expands outwardly,
Support split-type sand screen section of jurisdiction to be radially expanded with sand block steel plate simultaneously, make multi-disc sand screen section of jurisdiction and the multi-disc gear of split-type
Sand steel plate just constitutes the profile in a full circle week.
Described linkage includes connecting upper connection and every sand screen section of jurisdiction, upper connection and every sand block steel plate
Multiple upper hinge mechanisms and connect lower connector and every sand screen section of jurisdiction, lower connector and every sand block steel plate multiple under
Portion's linkage, each linkage includes two hinge heads and is connected to the connecting rod between two hinge heads by bearing pin,
Connecting two hinge heads of the upper hinge mechanism of upper connection and sand screen section of jurisdiction, one is fixed on sand screen section of jurisdiction inwall,
Another is fixed in upper connection, two hinge heads of the upper hinge mechanism of connection upper connection and sand block steel plate, one
Being fixed on sand block steel plate inwall, another is fixed in upper connection, connects lower connector and the underneath hinges of sand screen section of jurisdiction
Two hinge heads of mechanism, one is fixed on sand screen section of jurisdiction inwall, and another is fixed on lower connector, connects lower connector
With two hinge heads of the underneath hinges mechanism of sand block steel plate, one is fixed on sand block steel plate inwall, and another is fixed on bottom
On joint.
Described sand screen section of jurisdiction is 3.
Described sand screen section of jurisdiction is 3 of decile.
The invention has the beneficial effects as follows: prevent the possibility that test string is blocked by sand, it is achieved gained test data are more
Truly；Screen casing fits with the borehole wall, and Oil testing layer position annular space is taken in advance by screen casing, there is not sand heap in annular space
Long-pending possibility, solves packer sand and buries problem, reduce the potential risk during Oil testing；Reusable；Reduce
Multilamellar Oil testing technology potential risk, provides effective technical support for the formation testing that becomes more meticulous.
Accompanying drawing explanation
Fig. 1 is reducing sand control screen reducing pre-structure schematic diagram of the present invention.
Fig. 2 is structural representation after reducing sand control screen reducing of the present invention.
Fig. 3 is C-C profile in Fig. 1.
Fig. 4 is schematic diagram before reducing sand control screen reducing of the present invention.
Fig. 5 is schematic diagram after reducing sand control screen reducing of the present invention.
In figure, 1-upper connection；2-split-type sand screen section of jurisdiction；3-hinge head；4-bearing pin；5-connecting rod；6-mandrel；7-
Lower contact；8-sand block steel plate.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As Figure 1-3, the reducing sand control screen of the present invention, including the mandrel 6 of connected pipes, for fastening means
It is respectively fitted over upper connection 1 and lower connector 7, the multi-disc sand screen section of jurisdiction 2 of split-type at mandrel about 6 two ends and is positioned at two panels
Sand block steel plate 8 between sand screen section of jurisdiction 2, the multi-disc sand screen section of jurisdiction 2 of split-type and multi-disc sand block steel plate 8 just constitute one
The profile in full circle week, multi-disc sand screen section of jurisdiction 2 and multi-disc sand block steel plate 8 are connected to upper connection 1 He by linkage respectively
On lower connector 7；Having certain space between naturalness, adjacent two panels sand screen section of jurisdiction 2, sand block steel plate 8 is positioned at phase
The inboard gear of adjacent two panels sand screen section of jurisdiction 2 is in the inside in space；In reducing state, linkage expands outwardly, and supports split-type
Sand screen section of jurisdiction is radially expanded with sand block steel plate simultaneously, just makes the multi-disc sand screen section of jurisdiction 2 of split-type and multi-disc sand block steel plate 8
Constitute well the profile in a full circle week.
Described linkage includes connecting upper connection 1 and every sand screen section of jurisdiction 2, upper connection 1 and every sand block steel
Multiple upper hinge mechanisms of plate 8 and connect lower connector 7 and every sand screen section of jurisdiction 7, lower connector 7 and every sand block steel plate
Multiple underneath hinges mechanisms of 8, each linkage include two hinge heads 4 and by bearing pin 4 be connected to two hinge heads 4 it
Between connecting rod 5, connect two hinge heads 4 of the upper hinge mechanism of upper connection 1 and sand screen section of jurisdiction 2, one is fixed on
Sand screen section of jurisdiction 2 inwall, another is fixed in upper connection 1, connects upper connection 1 and the upper hinge machine of sand block steel plate 8
Two hinge heads 4 of structure, one is fixed on sand block steel plate 8 inwall, and another is fixed in upper connection 1, connects lower connector 7
With two hinge heads 4 of the underneath hinges mechanism of sand screen section of jurisdiction 2, one is fixed on sand screen section of jurisdiction 2 inwall, and another is fixed
On lower connector 7, connecting two hinge heads 4 of the underneath hinges mechanism of lower connector 7 and sand block steel plate 8, one is fixed on
Sand block steel plate 8 inwall, another is fixed on lower connector 7.
Preferably, described sand screen section of jurisdiction 2 is 3.Described sand screen section of jurisdiction 2 is 3 of decile.
The use process of the present invention is: after entering precalculated position under tubing string, when applying axially upwardly displacement to lower connector, profit
With the transformation of hinge movement, the connecting rod of linkage expands outwardly, and supports split-type sand control screen with sand block steel plate simultaneously
It is radially expanded, it is achieved actively sand control；After construction completes, pull lower connector, apply downward displacement to lower connector, logical
The motion crossing linkage realizes the withdrawal of sand control screen, enables whole tubing string to propose from well smoothly.
Specifically, before Oil testing instrument is gone into the well, calculate position and the length of payzone, select and test zone phase
The length of the sand control screen joined is connected in the middle of tool string prepare into well.
This device during entering well, sand control screen diameter and testing tool similar diameters (see Fig. 4), it is ensured that whole pipe string
Can be smoothly at the bottom of lower going-into-well.After test string is lowered into precalculated position, apply axially upwardly displacement to lower connector 7, drive
Hinge head 3 on lower connector moves upward, and because the distance between two hinge heads is horizontal fixed, connecting rod 5 rotates along hinge head 3,
Cause connecting rod 5 radially apart from elongated, drive split-type sand control screen 2 and sand block steel plate 8 outward expansion, be finally close to the borehole wall
(see Fig. 5).On the one hand this form of construction work is possible to prevent recovery and the release of strata pressure, causes the bulk that sandstone formation occurs
Sand enters well, on the other hand prevents the gone out sand in stratum from piling up in bore hole annulus.
After construction completes, apply downward displacement to lower connector 7, drive hinge head 3 to do contrary to the above with connecting rod 5
Action, make actively sand control screen radially regain, realize tubing string smoothly and propose from well.
In sum, present disclosure is not limited in the above embodiments, and the knowledgeable people in same area can
Can propose other embodiment within technological guidance's thought of the present invention easily, but this embodiment is included in this
Within the scope of bright.
Claims (4)
1. a reducing sand control screen, it is characterised in that include the mandrel (6) of connected pipes, the difference for fastening means
It is enclosed within upper connection (1) and lower connector (7), the multi-disc sand screen section of jurisdiction (2) of split-type at mandrel (6) two ends up and down and is positioned at
Sand block steel plate (8) between two panels sand screen section of jurisdiction (2), the multi-disc sand screen section of jurisdiction (2) of split-type and multi-disc sand block steel plate (8)
Just constituting the profile in a full circle week, multi-disc sand screen section of jurisdiction (2) and multi-disc sand block steel plate (8) are respectively by linkage even
It is connected on upper connection (1) and lower connector (7)；In naturalness, have certain between adjacent two panels sand screen section of jurisdiction (2)
Space, sand block steel plate (8) is positioned at the inboard gear the inside in space of adjacent two panels sand screen section of jurisdiction (2)；At reducing state, hinge
Mechanism expands outwardly, and supports split-type sand screen section of jurisdiction and is radially expanded with sand block steel plate simultaneously, makes the multi-disc sand control of split-type
Screen casing sheet (2) and multi-disc sand block steel plate (8) just constitute the profile in a full circle week.
Reducing sand control screen the most according to claim 1, it is characterised in that described linkage includes that connecting top connects
Head (1) and every sand screen section of jurisdiction (2), upper connection (1) and multiple upper hinge mechanisms of every sand block steel plate (8) and connection
Lower connector (7) and every sand screen section of jurisdiction (7), lower connector (7) and multiple underneath hinges machines of every sand block steel plate (8)
Structure, each linkage includes two hinge heads (4) and is connected to the connecting rod between two hinge heads (4) by bearing pin (4)
(5), connecting two hinge heads (4) of the upper hinge mechanism of upper connection (1) and sand screen section of jurisdiction (2), one is fixed on anti-
Sand sieve section of jurisdiction (2) inwall, another is fixed in upper connection (1), connects upper connection (1) and the top of sand block steel plate (8)
Two hinge heads (4) of linkage, one is fixed on sand block steel plate (8) inwall, and another is fixed in upper connection (1),
Connecting two hinge heads (4) of the underneath hinges mechanism of lower connector (7) and sand screen section of jurisdiction (2), one is fixed on sand screen
Section of jurisdiction (2) inwall, another is fixed on lower connector (7), connects lower connector (7) and the underneath hinges of sand block steel plate (8)
Two hinge heads (4) of mechanism, one is fixed on sand block steel plate (8) inwall, and another is fixed on lower connector (7).
Reducing sand control screen the most according to claim 1, it is characterised in that described sand screen section of jurisdiction (2) is 3.
Reducing sand control screen the most according to claim 3, it is characterised in that described sand screen section of jurisdiction (2) is the 3 of decile
Sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755016.2A CN106121594B (en) | 2016-08-29 | 2016-08-29 | A kind of reducing sand control screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755016.2A CN106121594B (en) | 2016-08-29 | 2016-08-29 | A kind of reducing sand control screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121594A true CN106121594A (en) | 2016-11-16 |
| CN106121594B CN106121594B (en) | 2018-09-07 |
Family
ID=57272916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610755016.2A Active CN106121594B (en) | 2016-08-29 | 2016-08-29 | A kind of reducing sand control screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106121594B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138933A (en) * | 2018-07-27 | 2019-01-04 | 中国石油天然气股份有限公司 | Elastic screen and sand control pipe |
| CN113341321A (en) * | 2021-05-21 | 2021-09-03 | 国网黑龙江省电力有限公司电力科学研究院 | Battery low temperature detection reducing mechanism |
| CN114233249A (en) * | 2022-02-22 | 2022-03-25 | 山东兆鑫石油工具有限公司 | Pressure-resistant sieve tube for high-temperature oil well operation |
| CN115354985A (en) * | 2022-06-29 | 2022-11-18 | 中国地质大学（武汉） | Thermal-sensitive casing protection method and device for thermal injection well |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003102364A1 (en) * | 2002-05-29 | 2003-12-11 | Weatherford/Lamb, Inc. | Method of expanding a sand screen |
| GB2420576A (en) * | 2002-10-15 | 2006-05-31 | Schlumberger Holdings | Expandable sandscreens |
| CN201162528Y (en) * | 2008-03-13 | 2008-12-10 | 中国石化集团胜利石油管理局钻井工艺研究院 | Expansible sand-prevention screening tube |
| CN201193513Y (en) * | 2008-03-13 | 2009-02-11 | 中国石化集团胜利石油管理局钻井工艺研究院 | Filter screen for inflatable sieve tube |
| CN202914053U (en) * | 2012-10-10 | 2013-05-01 | 中国石油天然气股份有限公司 | Sand control screen pipe |
| CN205955710U (en) * | 2016-08-29 | 2017-02-15 | 中国石油集团渤海钻探工程有限公司 | But reducing sand control screen |
-
2016
- 2016-08-29 CN CN201610755016.2A patent/CN106121594B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003102364A1 (en) * | 2002-05-29 | 2003-12-11 | Weatherford/Lamb, Inc. | Method of expanding a sand screen |
| GB2420576A (en) * | 2002-10-15 | 2006-05-31 | Schlumberger Holdings | Expandable sandscreens |
| CN201162528Y (en) * | 2008-03-13 | 2008-12-10 | 中国石化集团胜利石油管理局钻井工艺研究院 | Expansible sand-prevention screening tube |
| CN201193513Y (en) * | 2008-03-13 | 2009-02-11 | 中国石化集团胜利石油管理局钻井工艺研究院 | Filter screen for inflatable sieve tube |
| CN202914053U (en) * | 2012-10-10 | 2013-05-01 | 中国石油天然气股份有限公司 | Sand control screen pipe |
| CN205955710U (en) * | 2016-08-29 | 2017-02-15 | 中国石油集团渤海钻探工程有限公司 | But reducing sand control screen |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138933A (en) * | 2018-07-27 | 2019-01-04 | 中国石油天然气股份有限公司 | Elastic screen and sand control pipe |
| CN109138933B (en) * | 2018-07-27 | 2020-11-06 | 中国石油天然气股份有限公司 | Elastic screen pipe and sand control pipe column |
| CN113341321A (en) * | 2021-05-21 | 2021-09-03 | 国网黑龙江省电力有限公司电力科学研究院 | Battery low temperature detection reducing mechanism |
| CN114233249A (en) * | 2022-02-22 | 2022-03-25 | 山东兆鑫石油工具有限公司 | Pressure-resistant sieve tube for high-temperature oil well operation |
| CN114233249B (en) * | 2022-02-22 | 2022-04-29 | 山东兆鑫石油工具有限公司 | Pressure-resistant sieve tube for high-temperature oil well operation |
| CN115354985A (en) * | 2022-06-29 | 2022-11-18 | 中国地质大学（武汉） | Thermal-sensitive casing protection method and device for thermal injection well |
| CN115354985B (en) * | 2022-06-29 | 2023-12-29 | 中国地质大学（武汉） | Thermal injection well thermosensitive casing protection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106121594B (en) | 2018-09-07 |
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Effective date of registration: 20210902 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Huanghai Road 106, Bohai Drilling Engineering Co., Ltd. science and Technology Development Office Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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