CN112302563A - Ultrashort-clamping-distance water injection sand prevention packer and operation method thereof - Google Patents

Ultrashort-clamping-distance water injection sand prevention packer and operation method thereof Download PDF

Info

Publication number
CN112302563A
CN112302563A CN202011280767.6A CN202011280767A CN112302563A CN 112302563 A CN112302563 A CN 112302563A CN 202011280767 A CN202011280767 A CN 202011280767A CN 112302563 A CN112302563 A CN 112302563A
Authority
CN
China
Prior art keywords
sealing
packer
water injection
tool
section
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.)
Granted
Application number
CN202011280767.6A
Other languages
Chinese (zh)
Other versions
CN112302563B (en
Inventor
郝宙正
邢洪宪
李宁
严孟凯
王明杰
李宝龙
李清涛
柴希伟
邓晗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Offshore Oil Corp CNOOC
CNOOC Energy Technology and Services Ltd
Original Assignee
China National Offshore Oil Corp CNOOC
CNOOC Energy Technology and Services Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China National Offshore Oil Corp CNOOC, CNOOC Energy Technology and Services Ltd filed Critical China National Offshore Oil Corp CNOOC
Priority to CN202011280767.6A priority Critical patent/CN112302563B/en
Publication of CN112302563A publication Critical patent/CN112302563A/en
Application granted granted Critical
Publication of CN112302563B publication Critical patent/CN112302563B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/12Packers; Plugs
    • E21B33/126Packers; Plugs with fluid-pressure-operated elastic cup or skirt
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/01Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/08Screens or liners
    • E21B43/086Screens with preformed openings, e.g. slotted liners
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/14Obtaining from a multiple-zone well
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/20Displacing by water

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)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The invention discloses an ultrashort-clamping-distance water injection sand prevention packer which comprises an upper sealing barrel, a packer A section, a double-layer water injection sand prevention screen pipe, a packer B section, a lower sealing barrel, a positioning coupling and a service tool. Compared with the prior art that the completion string is used for stratigraphic layering by utilizing a completion packer matched with an inserted sealing tool, the number of the layering is limited, and the difficulty of subdividing the layer again under the condition of not moving the completion string is higher. The invention relates to an ultrashort-blocking-distance water injection sand prevention packer, the inner diameter of which is 4.25%, the effectiveness of reservoir sealing under the minimum 1.9m blocking distance can be realized, and the sand prevention and water injection operation requirements of a subdivided bed series of a 7' cased hole reservoir section are met.

Description

Ultrashort-clamping-distance water injection sand prevention packer and operation method thereof
Technical Field
The invention belongs to the field, and particularly relates to an ultra-short-throw water injection sand prevention packer and an operation method thereof.
Background
The existing offshore oilfield water injection well zonal injection technology is to perform secondary seal on the basis of a packer after sand control completion, and the number of zonal injection is limited. The well completion packer matched with the inserting sealing tool is utilized to carry out stratum delamination on the basis of the existing well completion string, and if the oil deposit has the requirement of water injection of the subdivision layer, the difficulty of subdividing the stratum again is higher under the condition of not moving the well completion string.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an ultra-short-clamping-distance water injection sand prevention packer and an operation method thereof.
The invention is realized by the following technical scheme:
an ultrashort-clamping-distance water injection sand prevention packer comprises an upper sealing barrel, a packer A section, a double-layer water injection sand prevention sieve tube, a packer B section, a lower sealing barrel, a positioning coupling and a service tool;
the lower end of the upper sealing cylinder is connected with a male thread at the upper part of a section A of the packer through a female thread, the double-layer water injection sand control screen pipe comprises an outer screen pipe and an inner pipe column, an annulus is formed between the outer screen pipe and the inner pipe column, the outer screen pipe is connected with the male thread at the lower part of the section A of the packer through an upper female thread, the upper end of the inner pipe column is connected with the female thread inside the outer screen pipe through a male thread, the lower ends of the outer screen pipe and the inner pipe column are respectively connected with the male thread at the upper part of a section B of the packer through female threads, the upper end of the lower sealing cylinder is connected with the male thread at;
a liquid passing hole is formed in the inner-layer tubular column, a rupture disc is covered on the surface of the liquid passing hole, and a circulating sliding sleeve for opening or closing the liquid passing hole is arranged on the inner wall of the inner-layer tubular column;
the service tool comprises an upper joint, a seat seal short section, a closing tool, a positioning tool, an opening and closing tool, an opening tool and a check valve which are sequentially connected from top to bottom; the sealing device is characterized in that a sealing hole is formed in the sealing short section, a sealing module I is installed on the upper joint, and a sealing module II is installed at the lower end of the closing tool.
In the technical scheme, the A section of the packer comprises a central pipe, a sealing rubber cylinder and vulcanized spiral springs, wherein the sealing rubber cylinder is arranged on the central pipe, and the vulcanized spiral springs are arranged on two sides of the sealing rubber cylinder.
In the technical scheme, the packer B section comprises a central pipe, a sealing rubber cylinder and vulcanized spiral springs, the sealing rubber cylinder is arranged on the central pipe, and the vulcanized spiral springs are arranged on two sides of the sealing rubber cylinder.
In the technical scheme, the packer section A and the packer section B are distributed in a symmetrical structure.
In the technical scheme, the contact surface taper angle of the side rubber cylinder and the middle rubber cylinder is 75 degrees.
In the technical scheme, mechanical claws are respectively formed at the upper end and the lower end of the circulating sliding sleeve, a closing pin matched with the mechanical claw of the circulating sliding sleeve is formed on the outer wall of the closing tool, the sliding sleeve is closed by lifting upwards, and the sliding sleeve is not acted by pressing downwards; a switch pin matched with the circulating sliding sleeve mechanical claw is formed on the outer wall of the switch tool, the sliding sleeve is closed by lifting up, and the sliding sleeve is opened by pressing down; and an opening pin matched with the mechanical claw of the circulating sliding sleeve is formed on the outer wall of the opening tool, so that the opening tool can lift up the circulating sliding sleeve to be ineffective and push down to open the sliding sleeve.
In the technical scheme, the outer wall of the positioning tool is provided with a positioning groove matched with the positioning collar.
In the technical scheme, a plurality of mounting holes matched with the rupture disc are formed in the side wall of the inner tubular column.
In the technical scheme, the distance between the rupture disc and the sand control screen is 100-200 mm.
An operation method of an ultra-short-gauge water injection sand prevention packer comprises the following steps:
firstly, setting: the positioning tool is located at the upper end or the lower end of the positioning coupling, and the positioning tool and the positioning coupling are mechanically matched; a sealing module I on the service tool is matched and sealed with the upper sealing barrel, a sealing module II on the service tool is matched and sealed with the lower sealing barrel, the seat sealing short section is positioned between the upper sealing barrel and the lower sealing barrel, the check valve is closed, the circulating sliding sleeve is closed, liquid is injected into the tubular column, the liquid respectively enters a hydraulic cavity between a central tube and a vulcanization spiral spring on the sections A and B of the packer through a seat sealing hole on the seat sealing short section, the vulcanization spiral spring is pushed to extrude the sealing rubber barrel, and seat sealing is completed;
secondly, seal checking: the positioning tool is located at the upper end or the lower end of the positioning coupling, and the positioning tool and the positioning coupling are mechanically matched; a sealing module I on the service tool is matched and sealed with the upper sealing barrel, a sealing module II on the service tool is matched and sealed with the lower sealing barrel, the seat sealing short section is positioned between the upper sealing barrel and the lower sealing barrel, the check valve is closed, the circulating sliding sleeve is opened, the rupture disc is ruptured, liquid is injected into the pipe column, and the liquid enters the stratum through the seat sealing short section, the inner pipe column liquid passing hole and the outer screen pipe to complete the construction of a seal checking channel;
thirdly, water injection or oil extraction: and lifting the service tool, taking out the service tool, keeping the circulating sliding sleeve open, and executing water injection or oil extraction operation.
The invention has the advantages and positive effects that:
compared with the prior art that the completion string is used for stratigraphic layering by utilizing a completion packer matched with an inserted sealing tool, the number of the layering is limited, and the difficulty of subdividing the layer again under the condition of not moving the completion string is higher. The invention relates to an ultrashort-blocking-distance water injection sand prevention packer, the inner diameter of which is 4.25%, the effectiveness of reservoir sealing under the minimum 1.9m blocking distance can be realized, and the sand prevention and water injection operation requirements of a subdivided bed series of a 7' cased hole reservoir section are met.
Drawings
FIG. 1: the invention discloses a structural schematic diagram of an ultrashort-clamping-distance water injection sand prevention packer;
FIG. 2: the invention is a service tool structure diagram;
FIG. 3: setting a packer flow chart;
FIG. 4: a packer seal checking flow chart;
FIG. 5: the double-layer water injection sand control screen pipe is in an enlarged structural schematic diagram;
FIG. 6: a structural schematic diagram of a seat-sealed circulating sliding sleeve and a rupture disc;
FIG. 7: the structure of the circulation sliding sleeve and the rupture disk in the sealing state is schematically shown.
The attached drawings are marked as follows: 1. an upper sealing cylinder; 2. a packer section A; 3. double-layer water injection sand control screen pipes; 4. a packer B section; 5. a lower sealing cylinder; 6. positioning a coupling; 7. two sides of the rubber cylinder; 8. a coil spring; 9. circulating the sliding sleeve; 10. an upper joint; 11. setting a short section; 12. closing the tool; 13. a positioning tool; 14. a switch tool; 15. opening the tool; 16. a check valve; 17. sealing the hole; 18. a sealing module I; 19. a sealing module I; 20. a middle rubber cylinder; 21. an inner tubular column; 22. a rupture disc; 23. and (7) installing holes.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Examples
As shown in attached figures 1 to 7, the ultra-short-throw water injection sand prevention packer and the construction method thereof have API (American Petroleum institute) standard buckling types at the upper end and the lower end, and comprise an upper sealing barrel, a packer A section, a double-layer water injection sand prevention sieve tube, a packer B section, a lower sealing barrel, a positioning coupling and a service tool assembly.
The inner surface of the upper sealing cylinder is a sealing surface, the upper end of the upper sealing cylinder is a female thread, and the lower end of the upper sealing cylinder is connected with an upper male thread of the section A of the packer through the female thread; and a middle rubber sleeve 20 and two side rubber sleeves 7 at the section A of the packer are sequentially arranged on the central pipe, and spiral springs 8 are vulcanized on two sides of each rubber sleeve.
The double-layer water injection sand control screen pipe is of a double-layer structure and is provided with an annular space, the outer screen pipe is connected with the male thread at the lower part of the section A of the packer through the female thread at the upper end, and the female thread at the lower end of the outer screen pipe is connected with the male thread 1 at the upper part of the section B of the packer. The upper end of the inner pipe column 21 is connected with the female thread inside the outer screen pipe through the male thread, the lower part of the inner pipe column is provided with a circulating sliding sleeve 9,
a plurality of mounting holes 23 matched with the rupture disc 22 are arranged on the side wall of the inner tubular column,
the lower end of the inner-layer pipe column is connected with a male thread 2 on the upper part of a section B of the packer through a female thread.
The middle rubber sleeve 20 and the two side rubber sleeves 7 of the section B of the packer are sequentially arranged on the central pipe, and the two sides of each rubber sleeve are sealed to vulcanize the spiral springs; the inner surface of the lower sealing barrel is a sealing surface, the upper end of the lower sealing barrel is connected with a male thread at the lower part of the section B of the packer through a female thread, and the upper end of the lower sealing barrel is connected with a positioning coupling through a male thread.
The service tool assembly is provided with an upper joint 10, a seat seal short section 11, a closing tool 12, a positioning tool 13, a switching tool 14, an opening tool 15 and a check valve 16 which are sequentially connected from top to bottom, wherein a seat seal hole 17 is formed in the seat seal short section, and a sealing module I18 is installed on the upper joint, and a sealing module II19 is installed at the lower end of the closing tool.
In the setting process of the ultra-short-gauge water injection sand prevention packer, the positioning tool is located at the upper end or the lower end of the positioning coupling and is mechanically matched with the positioning coupling. Sealing module I on the service tool assembly with the sealed section of thick bamboo cooperation in upper portion is sealed, sealing module II on the service tool assembly with the sealed section of thick bamboo cooperation in lower part is sealed, the setting nipple joint is located the sealed section of thick bamboo in upper portion with between the sealed section of thick bamboo in lower part, the circulation sliding sleeve is in the closed condition, constitutes the setting passageway of ultrashort calorie apart from water injection sand control packer in bottom.
In the process of testing the ultra-short-distance water injection sand prevention packer, the positioning tool is located at the upper end or the lower end of the positioning coupling and is mechanically matched with the positioning coupling. Sealing module I on the service tool assembly with the sealed section of thick bamboo cooperation in upper portion is sealed, sealing module II on the service tool assembly with the sealed section of thick bamboo cooperation in lower part is sealed, the setting nipple joint is located the sealed section of thick bamboo in upper portion with between the sealed section of thick bamboo in lower part, the circulation sliding sleeve is in the open mode, the rupture disc is in rupture state, constitutes the inspection of bottom ultrashort calorie apart from water injection sand control packer and seals the passageway.
When in use, the operation is carried out layer by layer from bottom to top.
The positioning tool position 13 on the service tool assembly is firstly operated to be positioned at the lower part or the upper part of the positioning collar 6, so as to realize mechanical positioning. Then the operation is carried out according to the following steps:
setting: and the setting 4 of the packer A section 2 and the packer B section is realized by pressurizing in the drill rod.
And (4) seal checking: and lifting the service tool assembly, opening the circulating sliding sleeve 9, lowering to a setting position, constructing a packer seal checking channel, and then performing seal checking on the packer A section 2 and the packer B section 4 of the bottom operation tubular column section by pressurizing in the drill rod.
The ultrashort-clamping-distance water injection sand prevention packer is divided into an A section and a B section, the A section and the B section of the packer are distributed in a symmetrical structure, and the middle part of the packer is connected with the double-layer water injection sand prevention sieve tube, so that the effectiveness of reservoir sealing under the clamping distance of 1.3m at the minimum is realized, and the requirements of reservoir section sand prevention operation and water injection operation are met.
The outer layer of the double-layer water injection sand control screen pipe is a sand control screen pipe, the inner layer of the double-layer water injection sand control screen pipe is provided with a circulating sliding sleeve and a rupture disc, and the sealing performance of the section A and the section B of the packer is established by the circulating sliding sleeve, the upper sealing barrel and the lower sealing barrel in the setting process.
The circulating sliding sleeve and the rupture disk complement each other, and the rupture disk is used as a pressure-bearing mechanism to enable the packer setting to be more reliable under the condition that the sealing of the circulating sliding sleeve is unreliable.
The closed or open state of the double-layer water injection sand control screen pipe is controllable, and the double-layer water injection sand control screen pipe is different from the prior art that the screen pipe part can only be in an open state, and layered mining or water injection can be realized without running a production pipe column.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.

Claims (10)

1. The utility model provides an ultrashort calorie apart from water injection sand control packer which characterized in that: the packer comprises an upper sealing barrel, a packer A section, a double-layer water injection sand control screen pipe, a packer B section, a lower sealing barrel, a positioning coupling and a service tool;
the lower end of the upper sealing cylinder is connected with a male thread at the upper part of a section A of the packer through a female thread, the double-layer water injection sand control screen pipe comprises an outer screen pipe and an inner pipe column, an annulus is formed between the outer screen pipe and the inner pipe column, the outer screen pipe is connected with the male thread at the lower part of the section A of the packer through an upper female thread, the upper end of the inner pipe column is connected with the female thread inside the outer screen pipe through a male thread, the lower ends of the outer screen pipe and the inner pipe column are respectively connected with the male thread at the upper part of a section B of the packer through female threads, the upper end of the lower sealing cylinder is connected with the male thread at;
a liquid passing hole is formed in the inner-layer tubular column, a rupture disc is covered on the surface of the liquid passing hole, and a circulating sliding sleeve for opening or closing the liquid passing hole is arranged on the inner wall of the inner-layer tubular column;
the service tool comprises an upper joint, a seat seal short section, a closing tool, a positioning tool, an opening and closing tool, an opening tool and a check valve which are sequentially connected from top to bottom; the sealing device is characterized in that a sealing hole is formed in the sealing short section, a sealing module I is installed on the upper joint, and a sealing module II is installed at the lower end of the closing tool.
2. The ultra-short-throw water injection sand control packer of claim 1, characterized in that: the packer A section comprises a central pipe, a sealing rubber cylinder and vulcanized spiral springs, wherein the sealing rubber cylinder is arranged on the central pipe, and the vulcanized spiral springs are arranged on two sides of the sealing rubber cylinder.
3. The ultra-short-throw water injection sand control packer of claim 1, characterized in that: the packer B section comprises a central pipe, a sealing rubber cylinder and vulcanized spiral springs, wherein the sealing rubber cylinder is arranged on the central pipe, and the vulcanized spiral springs are arranged on two sides of the sealing rubber cylinder.
4. The ultra-short-throw water injection sand control packer of claim 1, characterized in that: the packer A section and the packer B section are distributed in a symmetrical structure.
5. The ultra-short-throw water injection sand control packer of claim 1, characterized in that: the contact surface taper angle of the side rubber cylinder and the middle rubber cylinder is 75 degrees.
6. The ultra-short-throw water injection sand control packer of claim 1, characterized in that: the upper end and the lower end of the circulating sliding sleeve are respectively provided with a mechanical claw, the outer wall of the closing tool is provided with a closing pin matched with the mechanical claw of the circulating sliding sleeve, the sliding sleeve is closed by lifting upwards, and the pressing does not work; a switch pin matched with the circulating sliding sleeve mechanical claw is formed on the outer wall of the switch tool, the sliding sleeve is closed by lifting up, and the sliding sleeve is opened by pressing down; and an opening pin matched with the mechanical claw of the circulating sliding sleeve is formed on the outer wall of the opening tool, so that the opening tool can lift up the circulating sliding sleeve to be ineffective and push down to open the sliding sleeve.
7. The ultra-short-throw water injection sand control packer of claim 1, characterized in that: and a positioning groove matched with the positioning coupling is formed in the outer wall of the positioning tool.
8. The ultra-short-throw water injection sand control packer of claim 1, characterized in that: and a plurality of mounting holes matched with the rupture disc are formed in the side wall of the inner-layer pipe column.
9. The ultra-short-throw water injection sand control packer of claim 1, characterized in that: the distance between the rupture disc and the sand control screen is 100-200 mm.
10. An operation method of an ultra-short-throw water injection sand prevention packer is characterized in that:
firstly, setting: the positioning tool is located at the upper end or the lower end of the positioning coupling, and the positioning tool and the positioning coupling are mechanically matched; a sealing module I on the service tool is matched and sealed with the upper sealing barrel, a sealing module II on the service tool is matched and sealed with the lower sealing barrel, the seat sealing short section is positioned between the upper sealing barrel and the lower sealing barrel, the check valve is closed, the circulating sliding sleeve is closed, liquid is injected into the tubular column, the liquid respectively enters a hydraulic cavity between a central tube and a vulcanization spiral spring on the sections A and B of the packer through a seat sealing hole on the seat sealing short section, the vulcanization spiral spring is pushed to extrude the sealing rubber barrel, and seat sealing is completed;
secondly, seal checking: the positioning tool is located at the upper end or the lower end of the positioning coupling, and the positioning tool and the positioning coupling are mechanically matched; a sealing module I on the service tool is matched and sealed with the upper sealing barrel, a sealing module II on the service tool is matched and sealed with the lower sealing barrel, the seat sealing short section is positioned between the upper sealing barrel and the lower sealing barrel, the check valve is closed, the circulating sliding sleeve is opened, the rupture disc is ruptured, liquid is injected into the pipe column, and the liquid enters the stratum through the seat sealing short section, the inner pipe column liquid passing hole and the outer screen pipe to complete the construction of a seal checking channel;
thirdly, water injection or oil extraction: and lifting the service tool, taking out the service tool, keeping the circulating sliding sleeve open, and executing water injection or oil extraction operation.
CN202011280767.6A 2020-11-16 2020-11-16 Ultrashort-clamping-distance water injection sand prevention packer and operation method thereof Active CN112302563B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011280767.6A CN112302563B (en) 2020-11-16 2020-11-16 Ultrashort-clamping-distance water injection sand prevention packer and operation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011280767.6A CN112302563B (en) 2020-11-16 2020-11-16 Ultrashort-clamping-distance water injection sand prevention packer and operation method thereof

Publications (2)

Publication Number Publication Date
CN112302563A true CN112302563A (en) 2021-02-02
CN112302563B CN112302563B (en) 2022-10-11

Family

ID=74334710

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011280767.6A Active CN112302563B (en) 2020-11-16 2020-11-16 Ultrashort-clamping-distance water injection sand prevention packer and operation method thereof

Country Status (1)

Country Link
CN (1) CN112302563B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113338843A (en) * 2021-06-10 2021-09-03 王文龙 Sand-blocking-proof forced deblocking packer
CN114753788A (en) * 2022-04-08 2022-07-15 中海油能源发展股份有限公司 Flushing and seal checking integrated pipe column suitable for sand prevention well completion and operation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8267178B1 (en) * 2011-09-01 2012-09-18 Team Oil Tools, Lp Valve for hydraulic fracturing through cement outside casing
CN103266873A (en) * 2013-02-28 2013-08-28 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Connecting structure of multilevel hydraulic spraying segmentation fracturing tubular column
CN204729048U (en) * 2015-05-19 2015-10-28 中国海洋石油总公司 Non-rotating set packer in the big orifice sleeve pipe of high angle hole or deep water test
CN105545221A (en) * 2016-03-04 2016-05-04 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 Shale gas well no-killing production tubular column capable of being lifted up and put down under no pressure and construction method
CN106555572A (en) * 2016-11-30 2017-04-05 中国海洋石油总公司 A kind of manpower intervention formula pulsed infusion equipment and its pulsed infusion method
CN107762444A (en) * 2017-06-26 2018-03-06 中国海洋石油总公司 A kind of integrated pipe column and application method for sand control of cementing the well
CN110552667A (en) * 2019-09-30 2019-12-10 东营市瑞丰石油技术发展有限责任公司 Layered filling pipe column, layered water control pipe column and layered filling layered water control process
CN111425148A (en) * 2020-05-15 2020-07-17 中国石油化工股份有限公司 Casing pipe column applying toe end sliding sleeve to full-bore sliding sleeve and using method of casing pipe column

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8267178B1 (en) * 2011-09-01 2012-09-18 Team Oil Tools, Lp Valve for hydraulic fracturing through cement outside casing
CN103266873A (en) * 2013-02-28 2013-08-28 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Connecting structure of multilevel hydraulic spraying segmentation fracturing tubular column
CN204729048U (en) * 2015-05-19 2015-10-28 中国海洋石油总公司 Non-rotating set packer in the big orifice sleeve pipe of high angle hole or deep water test
CN105545221A (en) * 2016-03-04 2016-05-04 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 Shale gas well no-killing production tubular column capable of being lifted up and put down under no pressure and construction method
CN106555572A (en) * 2016-11-30 2017-04-05 中国海洋石油总公司 A kind of manpower intervention formula pulsed infusion equipment and its pulsed infusion method
CN107762444A (en) * 2017-06-26 2018-03-06 中国海洋石油总公司 A kind of integrated pipe column and application method for sand control of cementing the well
CN110552667A (en) * 2019-09-30 2019-12-10 东营市瑞丰石油技术发展有限责任公司 Layered filling pipe column, layered water control pipe column and layered filling layered water control process
CN111425148A (en) * 2020-05-15 2020-07-17 中国石油化工股份有限公司 Casing pipe column applying toe end sliding sleeve to full-bore sliding sleeve and using method of casing pipe column

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113338843A (en) * 2021-06-10 2021-09-03 王文龙 Sand-blocking-proof forced deblocking packer
CN114753788A (en) * 2022-04-08 2022-07-15 中海油能源发展股份有限公司 Flushing and seal checking integrated pipe column suitable for sand prevention well completion and operation method thereof

Also Published As

Publication number Publication date
CN112302563B (en) 2022-10-11

Similar Documents

Publication Publication Date Title
CN110107251B (en) Fracturing filling conversion tool
CN112302563B (en) Ultrashort-clamping-distance water injection sand prevention packer and operation method thereof
CN108625830B (en) Ball throwing type layering sand prevention process pipe column and method thereof
CN107762444B (en) Integrated tubular column for well cementation and sand prevention and use method
CN104481484A (en) Horizontal well segmented intermittent steam huff and puff injection-production integrated pipe column
CN209799937U (en) Separate-layer water injection device of casing damage repair well
CN109441399B (en) Bridge plug capable of flushing sand
CN204386576U (en) Horizontal well in segments Intermittent cyclic steam stimulation note adopts integrated pipe column
CN107956430B (en) Intelligent well completion pipe string suitable for land test well and well logging test method thereof
CN209959218U (en) Adaptive control screen pipe
CN115095303B (en) Underground liquid control device and using method thereof
CN107100587B (en) Three-in-one process pipe column for string inspection, water plugging and seal inspection in petroleum production
CN202132013U (en) Underground blow-out preventing device for electric pump well
CN201723196U (en) Self-sealing setting ball seat
CN210859161U (en) Hydraulic control blowout preventer for pump oil pipe
CN114427419A (en) Staged fracturing well completion pipe string for unlimited-grade full-bore oil and gas well
CN206737884U (en) For the channeling test of cement sheath in Petroleum Production, water blockoff, test inside back cover unification process pipe string
CN101881142B (en) Self-sealing setting ball seat
CN107401390B (en) Crowded stifled packer
CN220133930U (en) Underground circulating device with fixed water injection pipe column backwashing function
CN114753788B (en) Integrated pipe column suitable for sand prevention well completion flushing and sealing inspection and operation method thereof
CN205638357U (en) Totally enclosed blowout prevention valve in pit
CN114075947B (en) Self-adaptive water control and acid washing integrated pipe column and acid washing method
CN114198063B (en) Fracturing device suitable for coal bed gas exploitation
CN114482922B (en) Annular space safety control device for multitube production tubular column and method for using annular space safety control device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant