CN107100595B - A kind of expandable sand control screen pipe - Google Patents
A kind of expandable sand control screen pipe Download PDFInfo
- Publication number
- CN107100595B CN107100595B CN201710412434.6A CN201710412434A CN107100595B CN 107100595 B CN107100595 B CN 107100595B CN 201710412434 A CN201710412434 A CN 201710412434A CN 107100595 B CN107100595 B CN 107100595B
- Authority
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- China
- Prior art keywords
- thread
- inflatable
- expandable
- screen
- expandable seal
- 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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- 239000004576 sand Substances 0.000 title claims abstract description 54
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 2
- 210000000664 rectum Anatomy 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/10—Setting of casings, screens, liners or the like in wells
- E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
- E21B43/108—Expandable screens or perforated liners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Liquid Developers In Electrophotography (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a kind of expandable sand control screen pipe, including expandable seal female thread, expandable screen main body and expandable seal pin thread, expandable seal female thread and expandable seal pin thread are welded by insertion and are connected to expandable screen main body upper and lower ends；Wherein expandable seal female thread is divided into " Z " type expansion box thread component and inflatable female threaded seat；Expandable screen pipe main body is made of inflatable base tube, wound form precision sand preventing sieve, inflatable outer protective shell；Expandable seal pin thread is divided into " Z " type expansion male thread component and inflatable male thread seat.Make high-performance expandable screen pipe that radial dilatation deformation occur using mechanical force by expanding swollen cone when work, latus rectum increases in screen body while radial deformation, area of passage increases, and metal-clad sealing is established after inflatable threaded expander, ensure that sand control capability and bonding strength.
Description
Technical field
The present invention relates to a kind of sand control screen, especially a kind of expandable sand control screen pipe is mainly used in straight well, orientation
The sand control completion operation of the various well type such as well, horizontal well.
Background technique
Domestic common sand control screen has wire-wrapped screen, cutting seam sieve tube and composite screen pipe at present, they respectively have feature, wrapping wire
Screen casing is made of perforated base pipe and overcurrent dielectric layer, cross flow medium be controllable width wedge wire be wrapped on reinforcing rib and
At the screen casing overcurrent medium thickness of this structure influences latus rectum in screen casing, is unfavorable for subsequent job, and in tripping in and production
It is easy to appear sleave situation in the process, influences sand block precision；Cutting seam sieve tube is the single layer knot that controllable width seam is cut out on casing
Structure screen casing, latus rectum is big in screen casing, but the bad control of slot width width causes this kind of screen sand control precision low and close by slot
Degree influences, and the conveyance capacity of this kind of screen casing is low；Composite screen pipe is made of perforated base pipe, accurate overcurrent dielectric layer and outer guarantor's shell
Three-decker screen casing, for this kind of screen casing due to the accurate overcurrent dielectric layer being made of sieve or sieve cotton, sand control precision is normal at present
With highest in screen casing, but the problem of equally equally exist this overcurrent medium thickness with wire-wrapped screen, influence interior latus rectum.Separately
Outside, at present there is common problem: the annular space as the production time elapses, between screen casing and the borehole wall in all types of common screen casings
It will appear layer of sand accumulation, increase producing pressure differential, influence also accelerate bottom water coning while yield.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of expandable sand control screen pipe, pass through expanding swollen cone when work
Make expandable screen pipe that radial dilatation deformation occur using mechanical force, latus rectum increases in screen body while radial deformation, overcurrent
Area increases, and guarantees sand control capability and bonding strength.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: a kind of expandable sand control screen pipe, including can
Expansion sealing female thread, expandable screen main body and expandable seal pin thread, expandable seal female thread pass through with expandable seal pin thread
Insertion welding is connected to expandable screen main body upper and lower ends；
Expandable seal female thread includes that the annular being made of multiple " Z " type components may expand box thread and inflatable box thread
Seat, " Z " type component section is "Z"-shaped, and completely inflatable box thread by multiple groups " Z " type component, arrange in the same direction clockwise by splicing
Composition, inflatable box thread are connect by being embedded in welding with inflatable female threaded seat, may expand female threaded seat with staggered
Cutting seam, guarantee to allow that radial expanding deformation oil occurs while axial strength, when radial deformation occurs, inflatable box thread
" Z " type component be mutually unfolded, the splicing gap between each component is extruded and fits closely, and dilatating and deformable while is realized
Sealing；
Expandable seal pin thread includes that the annular being made of multiple " Z " type components may expand male thread and inflatable male thread
Seat, " Z " type component section is "Z"-shaped, and completely inflatable male thread by multiple groups " Z " type component, arrange in the same direction clockwise by splicing
Composition, inflatable male thread are connect by being embedded in welding with inflatable male thread seat, may expand male thread seat with staggered
Cutting seam, guarantee to allow that radial expanding deformation oil occurs while axial strength, when radial deformation occurs, inflatable male thread
" Z " type component be mutually unfolded, the splicing gap between each component is extruded and fits closely, and dilatating and deformable while is realized
Sealing；
Expandable screen main body includes wound form precision sand preventing sieve, inflatable base tube, may expand outer protective shell, may expand base
Staggered cutting is provided on pipe and inflatable outer protective shell to stitch, and allows to occur radial expansion while guaranteeing axial strength
Deformation is opened, wound form precision sand preventing screen wound is on inflatable base tube, then is inserted in the inflatable outer protective shell of protection screen cloth, twines
Wound precision sand preventing sieve plays sand block, and wound form precision sand preventing sieve extends out easypro during screen casing generation radial deformation
Exhibition, the sand control capability of the screen casing after guaranteeing expansion.
The screw thread of expandable seal female thread and expandable seal pin thread uses non-contour saw-tooth thread, is guaranteeing screw pitch
Under the premise of consistent, the tooth height of pin thread screw thread leading portion is lower, and the tooth height of thread root is higher；The tooth bottom depth of female thread is higher than public spiral shell
Line tooth is high.
The beneficial effects of the present invention are:
(1) compact-sized, using inflatable design, latus rectum is big after screen casing expansion, can meet construction in later period requirement；
(2) after expanding, the overcurrent on screen casing stitches expansion, is added significantly to the area of passage of screen casing；
(3) flow medium is crossed as the sand control of screen casing using precision sand preventing sieve, sand block precision is high；
(4) after expanding, the annular clearance between the borehole wall is small, and producing pressure differential is low, helps to improve production capacity, prevents bottom water cone
Into.
(5) it is widely used, high-performance expandable sand control screen pipe can be used in the casing of all types of wells and the complete well of open hole sand control.
Detailed description of the invention
Fig. 1 is the structure chart of expandable sand control screen pipe of the invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the D-D sectional view of Fig. 1.
Fig. 5 is that (section D-D is inflatable screw thread for the inflatable thread variations state diagram of expandable sand control screen pipe of the invention
Original state after connection, section D '-D ' are the state after inflatable screw thread is radially expanded)
Fig. 6 is that (a is that may expand box thread, b be inflatable for the inflatable form of thread figure of expandable sand control screen pipe of the present invention
Male thread).
Fig. 7 is that (c is shape before precision sand preventing sieve is expanded to expandable sand control screen pipe precision sand preventing mesh structure figure of the present invention
State, c ' are state after the expansion of precision sand preventing sieve).
Fig. 8 be expandable sand control screen pipe of the present invention inflatable base tube structure chart (d be state before inflatable base tube is expanded,
D ' is state after inflatable base tube expansion).
Fig. 9 is that (e is that state, e ' are before outer protective shell is expanded for the outer protective shell structure chart of expandable sand control screen pipe of the present invention
State after outer protective shell expansion).
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description:
As shown in figs 1-9, expandable sand control screen pipe of the invention, including expandable seal female thread 1, expandable screen main body 2
With expandable seal pin thread 3, expandable seal female thread 1 is separately connected by way of insertion welding with expandable seal pin thread 3
In 2 upper and lower ends of expandable screen main body；
Expandable seal female thread 1 includes that the annular being made of multiple " Z " type components may expand box thread 1-1 and inflatable mother
Threaded block 1-2, " Z " type component section is "Z"-shaped, and completely inflatable box thread 1-1 is same clockwise by multiple groups " Z " type component
To splicing arrangement composition, inflatable box thread 1-1 is connect by being embedded in welding with inflatable female threaded seat 1-2, may expand mother's spiral shell
Line seat 1-2 is stitched with staggered cutting, guarantees to allow that radial expanding deformation oil occurs while axial strength, radial in generation
When deformation, " Z " type component of inflatable box thread 1-1 is mutually unfolded, and the splicing gap between each component is extruded simultaneously close
Sealing is realized in fitting while dilatating and deformable；
Expandable seal pin thread 3 includes that the annular being made of multiple " Z " type components may expand male thread 3-2 and inflatable public affairs
Threaded block 3-1, " Z " type component section is "Z"-shaped, and completely inflatable male thread 3-2 is same clockwise by multiple groups " Z " type component
To splicing arrangement composition, inflatable male thread 3-2 is connect by being embedded in welding with inflatable male thread seat 3-1, may expand public affairs spiral shell
Line seat 3-1 is stitched with staggered cutting, guarantees to allow that radial expanding deformation oil occurs while axial strength, radial in generation
When deformation, " Z " type component of inflatable male thread 3-2 is mutually unfolded, and the splicing gap between each component is extruded simultaneously close
Sealing is realized in fitting while dilatating and deformable；
Expandable screen main body 2 includes wound form precision sand preventing sieve 2-1, inflatable base tube 2-2, may expand outer protective shell 2-
It is provided with staggered cutting seam on 3, inflatable base tube 2-2 and inflatable outer protective shell 2-3, is guaranteeing the same of axial strength
When allow occur radial expanding deformation oil, wound form precision sand preventing sieve 2-1 is wrapped on inflatable base tube 2-2, then is inserted in protection
The inflatable outer protective shell 2-3 of sieve, wound form precision sand preventing sieve 2-1 play sand block, and the mistake of radial deformation occurs for screen casing
Wound form precision sand preventing sieve 2-1, which is extended out, in journey unfolds, the sand control capability of the screen casing after guaranteeing expansion.
The screw thread of expandable seal female thread 1 and expandable seal pin thread 3 uses non-contour saw-tooth thread, is guaranteeing spiral shell
Under the premise of consistent, the tooth height of pin thread screw thread leading portion is lower, and the tooth height of thread root is higher；The tooth bottom depth of female thread is higher than public affairs
Height of thread.
Expandable sand control screen pipe of the invention belongs to contraction state during tripping in, uses afterwards in place under screen casing expanding swollen
Cone makes screen casing radial dilatation by mechanical force, and after expandable screen expansion, interior latus rectum increase meets later period job requirements, the mistake of screen casing
Flow medium uses high-precision sand control sieve, it is ensured that screen casing has enough sand block precision, while the flowing hole of screen casing is in radial expansion
It can increase simultaneously during and further increase area of passage.Expandable sand control screen pipe expands the ring between ethmoid canal,posterior and the borehole wall
Empty gap is compressed to minimum, and producing pressure differential is effectively reduced, and increases oil well output, and producing pressure differential reduction also effectively prevent bottom water cone
Into.
In conclusion the contents of the present invention are not limited in the above embodiments, the knowledgeable people in same area can
Can propose other embodiments easily within technological guidance's thought of the invention, but this embodiment is included in this hair
Within the scope of bright.
Claims (2)
1. a kind of expandable sand control screen pipe, which is characterized in that including expandable seal female thread (1), expandable screen main body (2) and can
Expansion sealing pin thread (3), expandable seal female thread (1) are connected to expandable seal pin thread (3) by insertion welding swollen
Swollen screen body (2) upper and lower ends；
Expandable seal female thread (1) includes that the annular being made of multiple " Z " type components may expand box thread (1-1) and inflatable mother
Threaded block (1-2), " Z " type component section is "Z"-shaped, completely may expand box thread (1-1) by multiple groups " Z " type component up time
Needle splices arrangement composition in the same direction, and inflatable box thread (1-1) is connect by being embedded in welding with inflatable female threaded seat (1-2), can
It expands female threaded seat (1-2) to stitch with staggered cutting, guarantees to allow that radial expanding deformation oil occurs while axial strength,
When radial deformation occurs, " Z " the type component of inflatable box thread (1-1) is mutually unfolded, the splicing gap between each component
It is extruded and fits closely, sealing is realized while dilatating and deformable；
Expandable seal pin thread (3) includes that the annular being made of multiple " Z " type components may expand male thread (3-2) and inflatable public affairs
Threaded block (3-1), " Z " type component section is "Z"-shaped, completely may expand male thread (3-2) by multiple groups " Z " type component up time
Needle splices arrangement composition in the same direction, and inflatable male thread (3-2) is connect by being embedded in welding with inflatable male thread seat (3-1), can
It expands male thread seat (3-1) to stitch with staggered cutting, guarantees to allow that radial expanding deformation oil occurs while axial strength,
When radial deformation occurs, " Z " the type component of inflatable male thread (3-2) is mutually unfolded, the splicing gap between each component
It is extruded and fits closely, sealing is realized while dilatating and deformable；
Expandable screen main body (2) includes wound form precision sand preventing sieve (2-1), inflatable base tube (2-2), may expand outer protective shell
Staggered cutting is provided on (2-3), inflatable base tube (2-2) and inflatable outer protective shell (2-3) to stitch, it is axial in guarantee
Allow that radial expanding deformation oil occurs while intensity, wound form precision sand preventing sieve (2-1) is wrapped in inflatable base tube (2-2)
On, then it is inserted in the inflatable outer protective shell (2-3) of protection screen cloth, wound form precision sand preventing sieve (2-1) plays sand block, screen casing
Wound form precision sand preventing sieve (2-1), which extends out, during generation radial deformation unfolds, the anti-grittiness of the screen casing after guaranteeing expansion
Energy.
2. expandable sand control screen pipe according to claim 1, which is characterized in that expandable seal female thread (1) with may expand it is close
The screw thread for sealing pin thread (3) uses non-contour saw-tooth thread, under the premise of guaranteeing that screw pitch is consistent, the tooth of pin thread screw thread leading portion
High lower, the tooth height of thread root is higher；It is high that the tooth bottom depth of female thread is higher than male thread tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412434.6A CN107100595B (en) | 2017-06-01 | 2017-06-01 | A kind of expandable sand control screen pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412434.6A CN107100595B (en) | 2017-06-01 | 2017-06-01 | A kind of expandable sand control screen pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107100595A CN107100595A (en) | 2017-08-29 |
| CN107100595B true CN107100595B (en) | 2018-12-25 |
Family
ID=59660077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710412434.6A Active CN107100595B (en) | 2017-06-01 | 2017-06-01 | A kind of expandable sand control screen pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN107100595B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177572B (en) * | 2019-07-03 | 2023-02-03 | 中国石油化工股份有限公司 | Annular self-filling sand control screen pipe |
| CN110295868B (en) * | 2019-07-16 | 2021-12-14 | 邓福成 | Combined expansion screen |
| CN110259409A (en) * | 2019-07-17 | 2019-09-20 | 中石化石油工程技术服务有限公司 | Packer slip sand control device |
| CN115318637B (en) * | 2022-09-14 | 2023-05-30 | 宁波艾克姆新材料股份有限公司 | Horizontal airflow screen |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2410268A (en) * | 2002-10-15 | 2005-07-27 | Schlumberger Holdings | Expandable sand screen with expandable base pipe and a liner between overlapping filter sheets |
| CN201162500Y (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 | Screw connection structure of non-node hoop expansion screen casing |
| CN201162499Y (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 | Thread connector of expansion sand-prevention screening tube |
| CN201202412Y (en) * | 2008-11-13 | 2009-03-04 | 中国石化集团胜利石油管理局钻井工艺研究院 | Expansion screwed joint for expansion screen tube |
| CN202731860U (en) * | 2012-06-12 | 2013-02-13 | 天津市金甲石油工程技术服务有限公司 | Sand control screen |
| CN103967456A (en) * | 2014-05-23 | 2014-08-06 | 天津前云东方能源科技有限公司 | Expansion screen pipe |
| EP2947260A1 (en) * | 2014-05-23 | 2015-11-25 | Tianjin Top Cloud East Energy Technology Co., Ltd. | Expandable sand screen |
| CN205189844U (en) * | 2015-11-11 | 2016-04-27 | 刘欣 | Expansion sieve tube |
-
2017
- 2017-06-01 CN CN201710412434.6A patent/CN107100595B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2410268A (en) * | 2002-10-15 | 2005-07-27 | Schlumberger Holdings | Expandable sand screen with expandable base pipe and a liner between overlapping filter sheets |
| CN201162500Y (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 | Screw connection structure of non-node hoop expansion screen casing |
| CN201162499Y (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 | Thread connector of expansion sand-prevention screening tube |
| CN201202412Y (en) * | 2008-11-13 | 2009-03-04 | 中国石化集团胜利石油管理局钻井工艺研究院 | Expansion screwed joint for expansion screen tube |
| CN202731860U (en) * | 2012-06-12 | 2013-02-13 | 天津市金甲石油工程技术服务有限公司 | Sand control screen |
| CN103967456A (en) * | 2014-05-23 | 2014-08-06 | 天津前云东方能源科技有限公司 | Expansion screen pipe |
| EP2947260A1 (en) * | 2014-05-23 | 2015-11-25 | Tianjin Top Cloud East Energy Technology Co., Ltd. | Expandable sand screen |
| CN205189844U (en) * | 2015-11-11 | 2016-04-27 | 刘欣 | Expansion sieve tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107100595A (en) | 2017-08-29 |
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Effective date of registration: 20210219 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: China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd., No. 83, Second Street, economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |