CN110145281A - A kind of NEW TYPE OF COMPOSITE sand control structure - Google Patents
A kind of NEW TYPE OF COMPOSITE sand control structure Download PDFInfo
- Publication number
- CN110145281A CN110145281A CN201910583189.4A CN201910583189A CN110145281A CN 110145281 A CN110145281 A CN 110145281A CN 201910583189 A CN201910583189 A CN 201910583189A CN 110145281 A CN110145281 A CN 110145281A
- Authority
- CN
- China
- Prior art keywords
- casing
- gravel
- new type
- sand control
- control structure
- 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.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 66
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000012856 packing Methods 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000006262 metallic foam Substances 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005465 channeling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009466 transformation Effects 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
- E21B43/04—Gravelling of wells
-
- 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
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted 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)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to the technical fields of exploitation sand control auxiliary equipment can effectively solve the problem that sand plug problem in gravel-packing process more particularly to a kind of NEW TYPE OF COMPOSITE sand control structure, improves pack effectiveness, guarantees filling effect；Including base tube screen casing and casing, gravel packing zone is provided on the outside of base tube screen casing, several bypass pipes are evenly arranged on the outside of gravel packing zone, and the gap location of several bypass pipes is provided with sand block medium, casing is sheathed on the outside of several bypass pipes, and forms gravel between casing and several bypass pipes and fill channel.
Description
Technical field
The present invention relates to the technical fields of exploitation sand control auxiliary equipment, more particularly to a kind of NEW TYPE OF COMPOSITE sand control structure.
Background technique
It is well known that the use for bypassing Manifold technology is relatively broad, and screen casing is in oil/gas well in traditional petroleum industry
Sand control in also belong to matured product.But at present in the exploration and development of gas hydrates, due to the particularity of reservoir, cause
Technology, experience in many oil and gas industries can be not applied directly in the exploitation of hydrate, and need to carry out skill to it
Innovation and transformation in art.
In gas hydrates reservoir argillaceous siltstoue, with the decomposition of solid-state hydrate, gas will form inside reservoir
Liquid consolidates the state of three-phase migration, and during being somebody's turn to do, liquid can carry formation particles and enter production pipeline, carry out if not to it appropriate
Prevention and control, with the extension of mining time, the flow channel between production pipeline and stratum can be blocked by these particles, and then be caused
A series of production problem.
The thicker reservoir sand of a part of particle is exactly blocked on the outside of production pipeline by the effect of sand control, while permission again
The thinner reservoir sand of grain is collected using lifting device in well head by sand control structure, plays the role of anti-blocking and stable yields.
It is verified by a large amount of laboratory experiments, one layer of gravel layer is filled outside screen casing, can effectively extend what screen casing was blocked
Time, while guaranteeing the effective permeability of the gravel layer and screen construction, in no screen casing external gravel layer, formation particles are straight
It connects and acts on screen casing surface and inside, then can form mudcake in short-term, therefore gravel filling+screen casing sand control method is suitable for
In the exploitation of muddy siltstone reservoir.
And easily there is the risk of sand bridge or sand fallout in the gravel-packing process of horizontal well, it cannot ensure the gravel of high quality
Stone filling effect, when there is sand bridge or sand fallout, if it is possible to get around the sand plug section, make gravel filling be able to continue into
Row, then integral construction quality will be substantially improved.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, can effectively solve the problem that sand plug problem in gravel-packing process,
Pack effectiveness is improved, guarantees the NEW TYPE OF COMPOSITE sand control structure of filling effect.
A kind of NEW TYPE OF COMPOSITE sand control structure of the invention, including base tube screen casing and casing are set on the outside of the base tube screen casing
It is equipped with gravel packing zone, several bypass pipes are evenly arranged on the outside of the gravel packing zone, and in the gap of several bypass pipes
Place is provided with sand block medium, and casing is sheathed on the outside of several bypass pipes, and forms gravel between casing and several bypass pipes
Fill channel.
A kind of NEW TYPE OF COMPOSITE sand control structure of the invention, the sand block medium be prefilled with structure, can also for metal around
Silk structure, novel metal foam, one of can remember dilatancy material at metal wool.
A kind of NEW TYPE OF COMPOSITE sand control structure of the invention, the section of the bypass pipe can for the rectangle of bending, ellipse,
Round, diamond shape and rectangular.
The quantity of a kind of NEW TYPE OF COMPOSITE sand control structure of the invention, the bypass pipe is more than or equal to 1 group.
A kind of NEW TYPE OF COMPOSITE sand control structure of the invention, the base tube screen casing are cutting seam sieve tube, wire-wrapped screen or perforated pipe.
Compared with prior art the invention has the benefit that in normal SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL, in the work of load fluid
Under, pack gravel, from end to toe, by the effect of α wave and β wave, is completed to this along the annular space between screen casing and casing
The packing job of annular space, in shale sandy silt soil stratum, cementing properties is poor between particle, and after casing perforating, annular space and stratum are produced
Raw communication passage, on this basis, especially under liquid infiltration, it is easy to sand fallout occur and cause sand plug, conventional fill is caused to be led to
Road is blocked, and subsequent stowing operation is forced to interrupt.At this point, the logical of gravel filling will be undertaken by the bypass pipe being arranged on screen casing
Road effect, under pump-in pressure and load fluid effect, pack gravel is entered by being arranged in the bypass pipe pack hole on the outside of screen casing
Bypass pipe, the exit for being arranged at bypass pipe on the outside of screen casing reenter annular space between screen casing and casing, continue to fill
Construction is filled out, to avoid sand plug section, effectively increases filling effect.Three layers of sand control structure are used for the first time, and outermost layer is bypass
Pipe+sand block medium, middle layer are gravel packing zone, and innermost layer is then base tube screen casing, enter production in effective prevention and control formation particles
While pipeline, it is able to maintain that the permeability of screen casing to meet production requirement, and can effectively solve the problem that sand in gravel-packing process
Stifled problem, improves pack completeness, guarantees filling effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Structural schematic diagram when Fig. 2 is conventional filling of the invention；
Fig. 3 is structural schematic diagram when gravel filling of the present invention channel forms sand bridge；
It is attached marked in the figure: 1, base tube screen casing；2, casing；3, gravel packing zone；4, bypass pipe；5, sand block medium；6, gravel
Fill channel.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figure 1 to Figure 3, a kind of NEW TYPE OF COMPOSITE sand control structure of the invention, including base tube screen casing 1 and casing 2, base tube
The outside of screen casing 1 is provided with gravel packing zone 3, and the outside of gravel packing zone 3 is evenly arranged with several bypass pipes 4, and several
The gap location of bypass pipe 4 is provided with sand block medium 5, and casing 2 is sheathed on the outside of several bypass pipes 4, and in casing 2 and several sides
Gravel is formed between siphunculus 4 fills channel 6；In normal SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL, under the action of load fluid, pack gravel
Along the annular space between screen casing and casing from from end to toe, by the effect of α wave and β wave, the filling to the annular space is completed
Operation, in shale sandy silt soil stratum, cementing properties is poor between particle, and after casing perforating, annular space and stratum generate communication passage,
On this basis, especially under liquid infiltration, it is easy to there is sand fallout and cause sand plug, leads to conventional filling channel jam, after
Continuous stowing operation is forced to interrupt, at this point, the bypass pipe being arranged on screen casing will undertake the channeling of gravel filling, is being pumped into pressure
Under power and load fluid effect, pack gravel enters bypass pipe by being arranged in the bypass pipe pack hole on the outside of screen casing, is arranged at
The annular space that the exit of bypass pipe reenters between screen casing and casing on the outside of screen casing continues to fill, to avoid sand plug
Section, effectively increases filling effect.Three layers of sand control structure are used for the first time, and outermost layer is bypass pipe+sand block medium, and middle layer is gravel
Stone filling layer, innermost layer are then base tube screen casing, while effective prevention and control formation particles enter production pipeline, are able to maintain that screen casing
Permeability to meet production requirement, and can effectively solve the problem that sand plug problem in gravel-packing process, improve pack completeness, guarantee to fill
Fill out effect.
A kind of NEW TYPE OF COMPOSITE sand control structure of the invention, sand block medium 5 are to be prefilled with structure, can also be metal wrapping wire knot
Structure, novel metal foam, one of can remember dilatancy material at metal wool；Sand block medium can also for other types or
The sand block structure of person's material.
A kind of NEW TYPE OF COMPOSITE sand control structure of the invention, the section of bypass pipe 4 can be rectangle, ellipse, the circle of bending
Shape, diamond shape and rectangular；The shape of bypass pipe is depending on specific design scheme.
The quantity of a kind of NEW TYPE OF COMPOSITE sand control structure of the invention, bypass pipe 4 is more than or equal to 1 group.
A kind of NEW TYPE OF COMPOSITE sand control structure of the invention, base tube screen casing 1 are cutting seam sieve tube, wire-wrapped screen or perforated pipe.
A kind of NEW TYPE OF COMPOSITE sand control structure of the invention in normal SIMULATION STUDY OF GRAVEL PACKING IN HORIZONTAL WELL, is being taken at work
Under the action of sand liquid, pack gravel along the annular space between screen casing and casing from end to toe, by the effect of α wave and β wave,
Complete the packing job to the annular space.In shale sandy silt soil stratum, cementing properties is poor between particle, after casing perforating, annular space
Communication passage is generated with stratum, on this basis, especially under liquid infiltration, it is easy to sand fallout occur and cause sand plug, cause often
Rule filling channel jam, subsequent stowing operation are forced to interrupt.At this point, gravel will be undertaken by the bypass pipe being arranged on screen casing
The channeling of filling, under pump-in pressure and load fluid effect, pack gravel is filled by being arranged in the bypass pipe on the outside of screen casing
Filling perforation enters bypass pipe, and the exit for being arranged at bypass pipe on the outside of screen casing reenters annular space between screen casing and casing, after
It is continuous to carry out filling construction, to avoid sand plug section, effectively increase filling effect.Three layers of sand control structure are used for the first time, it is outermost
Layer is bypass pipe+sand block medium, and middle layer is gravel packing zone, and innermost layer is then base tube screen casing, in effective prevention and control formation particles
While into production pipeline, it is able to maintain that the permeability of screen casing to meet production requirement, and can effectively solve the problem that gravel fills
Sand plug problem in the process improves pack completeness, guarantees filling effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of NEW TYPE OF COMPOSITE sand control structure, which is characterized in that including base tube screen casing (1) and casing (2), the base tube screen casing
(1) it is provided on the outside of gravel packing zone (3), is evenly arranged with several bypass pipes (4) on the outside of the gravel packing zone (3),
And be provided with sand block medium (5) in the gap location of several bypass pipes (4), casing (2) is sheathed on the outside of several bypass pipes (4),
And gravel filling channel (6) is formed between casing (2) and several bypass pipes (4).
2. a kind of NEW TYPE OF COMPOSITE sand control structure as described in claim 1, which is characterized in that the sand block medium (5) is preliminary filling
Fill out structure, can also for metal winding structure, metal wool, novel metal foam, one of dilatancy material can be remembered.
3. a kind of NEW TYPE OF COMPOSITE sand control structure as claimed in claim 2, which is characterized in that the section of the bypass pipe (4) can
Think the rectangle of bending, ellipse, circle, diamond shape and rectangular.
4. a kind of NEW TYPE OF COMPOSITE sand control structure as claimed in claim 3, which is characterized in that the quantity of the bypass pipe (4) is big
In equal to 1 group.
5. a kind of NEW TYPE OF COMPOSITE sand control structure as claimed in claim 4, which is characterized in that the base tube screen casing (1) is slot
Screen casing, wire-wrapped screen or perforated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910583189.4A CN110145281A (en) | 2019-07-01 | 2019-07-01 | A kind of NEW TYPE OF COMPOSITE sand control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910583189.4A CN110145281A (en) | 2019-07-01 | 2019-07-01 | A kind of NEW TYPE OF COMPOSITE sand control structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110145281A true CN110145281A (en) | 2019-08-20 |
Family
ID=67597038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910583189.4A Pending CN110145281A (en) | 2019-07-01 | 2019-07-01 | A kind of NEW TYPE OF COMPOSITE sand control structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145281A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593825A (en) * | 2019-10-19 | 2019-12-20 | 海塔石油科技有限公司 | Erosion-resistant filling bypass sieve tube for oilfield exploitation |
| WO2021092978A1 (en) * | 2019-11-14 | 2021-05-20 | 中国科学院广州能源研究所 | Mining method and mining device for marine natural gas hydrate |
| CN113047819A (en) * | 2021-03-09 | 2021-06-29 | 中国石油天然气集团公司 | Sand control screen pipe and application thereof |
| CN113107437A (en) * | 2021-04-19 | 2021-07-13 | 天津大学 | Multistage sand prevention method for exploiting argillaceous silt natural gas hydrate reservoir |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4945991A (en) * | 1989-08-23 | 1990-08-07 | Mobile Oil Corporation | Method for gravel packing wells |
| US20030221828A1 (en) * | 2002-05-31 | 2003-12-04 | Mcgregor Ronald W. | Apparatus and method for gravel packing an interval of a wellbore |
| CN200978659Y (en) * | 2006-10-23 | 2007-11-21 | 大港油田集团有限责任公司 | Sulfur-separating sand filter |
| CN201318156Y (en) * | 2008-12-26 | 2009-09-30 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | By-pass sand control screen pipe |
| CN102913211A (en) * | 2012-10-30 | 2013-02-06 | 陕西高新能源发展有限公司 | Sand control sieve tube |
| CN104755697A (en) * | 2012-10-26 | 2015-07-01 | 埃克森美孚上游研究公司 | Wellbore apparatus and method for sand control using gravel reserve |
| CN205908286U (en) * | 2016-01-19 | 2017-01-25 | 邓金根 | A components of a whole that can function independently is packing sand control pipe in advance for oil gas field sand control |
| CN206091943U (en) * | 2016-10-18 | 2017-04-12 | 盘锦中远波纹管有限公司 | Oil recovery sand control ware |
| CN107461176A (en) * | 2017-08-30 | 2017-12-12 | 四川科技职业学院 | It is a kind of that there is the high efficiency composition sand control screen for depositing sand function |
| CN108533235A (en) * | 2018-03-05 | 2018-09-14 | 中国石油大学(华东) | A kind of open hole well outer wrapping expansion filling anti-sand method |
| CN210264644U (en) * | 2019-07-01 | 2020-04-07 | 广州海洋地质调查局 | Novel composite sand prevention structure |
-
2019
- 2019-07-01 CN CN201910583189.4A patent/CN110145281A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4945991A (en) * | 1989-08-23 | 1990-08-07 | Mobile Oil Corporation | Method for gravel packing wells |
| US20030221828A1 (en) * | 2002-05-31 | 2003-12-04 | Mcgregor Ronald W. | Apparatus and method for gravel packing an interval of a wellbore |
| CN200978659Y (en) * | 2006-10-23 | 2007-11-21 | 大港油田集团有限责任公司 | Sulfur-separating sand filter |
| CN201318156Y (en) * | 2008-12-26 | 2009-09-30 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | By-pass sand control screen pipe |
| CN104755697A (en) * | 2012-10-26 | 2015-07-01 | 埃克森美孚上游研究公司 | Wellbore apparatus and method for sand control using gravel reserve |
| CN102913211A (en) * | 2012-10-30 | 2013-02-06 | 陕西高新能源发展有限公司 | Sand control sieve tube |
| CN205908286U (en) * | 2016-01-19 | 2017-01-25 | 邓金根 | A components of a whole that can function independently is packing sand control pipe in advance for oil gas field sand control |
| CN206091943U (en) * | 2016-10-18 | 2017-04-12 | 盘锦中远波纹管有限公司 | Oil recovery sand control ware |
| CN107461176A (en) * | 2017-08-30 | 2017-12-12 | 四川科技职业学院 | It is a kind of that there is the high efficiency composition sand control screen for depositing sand function |
| CN108533235A (en) * | 2018-03-05 | 2018-09-14 | 中国石油大学(华东) | A kind of open hole well outer wrapping expansion filling anti-sand method |
| CN210264644U (en) * | 2019-07-01 | 2020-04-07 | 广州海洋地质调查局 | Novel composite sand prevention structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593825A (en) * | 2019-10-19 | 2019-12-20 | 海塔石油科技有限公司 | Erosion-resistant filling bypass sieve tube for oilfield exploitation |
| WO2021092978A1 (en) * | 2019-11-14 | 2021-05-20 | 中国科学院广州能源研究所 | Mining method and mining device for marine natural gas hydrate |
| CN113047819A (en) * | 2021-03-09 | 2021-06-29 | 中国石油天然气集团公司 | Sand control screen pipe and application thereof |
| CN113107437A (en) * | 2021-04-19 | 2021-07-13 | 天津大学 | Multistage sand prevention method for exploiting argillaceous silt natural gas hydrate reservoir |
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| PB01 | Publication | ||
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Application publication date: 20190820 |