CN103321626B - A kind of fracturing sand control integration completion tubular column and application process thereof - Google Patents
A kind of fracturing sand control integration completion tubular column and application process thereof Download PDFInfo
- Publication number
- CN103321626B CN103321626B CN201310291389.5A CN201310291389A CN103321626B CN 103321626 B CN103321626 B CN 103321626B CN 201310291389 A CN201310291389 A CN 201310291389A CN 103321626 B CN103321626 B CN 103321626B
- Authority
- CN
- China
- Prior art keywords
- sand control
- pipe
- sealing
- fracturing
- tubing string
- 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.)
- Active
Links
Landscapes
- Pipe Accessories (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of fracturing sand control integration completion tubular column and application process thereof, it comprises sand control pipe and fracturing tubing string; Fracturing tubing string comprises the safety valve being arranged on oil pipe top, be disposed on the first sliding sleeve below safety valve on oil pipe successively, production packer, first is located joint and location sealing, be arranged on first bottom adjacent location sealing on oil pipe and insert sealing, be disposed on the second sliding sleeve below the first insertion sealing on oil pipe successively, the second insertion sealing, second is located joint, perforated pipe and NO-GO and is located joint, and be arranged on the guide shoe bottom oil pipe; Sand control pipe comprises top packer, and the blind pipe bottom top packer of being linked in sequence successively, sand control screen and the 3rd insert sealing.Owing to present invention employs pressure break and sand prevention integrated completion tubular column, simplify pressing crack construction and sand control treatment flow process, save the activity duration, reduce operating cost, and make pressure break convenient with production, and can according to need of production, selective exploitation single or multiple lift is developed jointly, and makes production more flexible.
Description
Technical field
The present invention relates to a kind of completion tubular column and application process thereof, be specifically related to a kind ofly be applicable to weaker zone needs sand control, compacted zone needs pressure break fracturing sand control integration completion tubular column and application process thereof.
Background technology
In oil-gas field development, loose sand permeability is general higher, but cementing poor, therefore needs during completion to adopt sand control measure.And tight sand permeability is less, need to adopt reservoir reconstruction measure.Because reservoir properties exists larger difference, exploitation when therefore usually two kinds of reservoirs are different.But along with oil-gas field development difficulty is more and more higher, more and more higher to different reservoir integration development requires, there is the responsible oil gas field of a large amount of tops weaker zone, bottom compacted zone in oil gas field especially at sea.Therefore study one be not only applicable to loose reservoir but also be applicable to compact reservoir completion tubular column and method, for raising single well productivity, to save development cost significant.
At present for the oil gas field that loose, fine and close multilayer exist jointly, general employing exploits measure respectively, and namely weaker zone adopts sand control pipe, compacted zone to adopt pressure break completion tubular column.If same well, need first to enter down a fracturing string and carry out fracturing work, then fracturing string is tripped out and enter down a special sand control flow string again.Owing to adding flow chart, completion time is caused significantly to increase and increase completion cost.
Summary of the invention
For the problems referred to above, the object of this invention is to provide one and can develop loose reservoir, fracturing sand control integration completion tubular column and the application process thereof of compact reservoir can be developed again.
For achieving the above object, the present invention takes following technical scheme: a kind of fracturing sand control integration completion tubular column, and it is characterized in that, it comprises sand control pipe and fracturing tubing string; Described fracturing tubing string comprises safety valve, the first sliding sleeve, production packer, first are located joint, oil pipe, location sealing, first insert sealing, the second sliding sleeve, second insert seal, second be located joint, perforated pipe, NO-GO be located joint and guide shoe; Wherein, described safety valve is arranged on the top of described oil pipe, and described first sliding sleeve, production packer, first are located joint and location sealing is disposed on the described oil pipe below described safety valve successively; Described first insertion sealing is arranged on the described oil pipe bottom adjacent described location sealing, described second sliding sleeve, second insert sealing, second be located joint, perforated pipe and NO-GO be located joint be disposed on successively described first insert sealing below described oil pipe on, described guide shoe is arranged on the bottom of described oil pipe; Described sand control pipe comprises top packer, blind pipe, sand control screen and the 3rd insertion sealing; Wherein, the bottom of described top packer connects described blind pipe, and the bottom of described blind pipe connects described sand control screen, and the bottom of described sand control screen connects the described 3rd and inserts sealing.
The 3rd of described sand control pipe inserts sealing and is inserted in the isolation packer that sets in sleeve pipe, and first of described fracturing tubing string inserts sealing and second and inserts in top packer and the 3rd that sealing is inserted in described sand control pipe respectively inserts and seal.
Described fracturing tubing string is hung by top connected pipes and is placed in described sleeve pipe.
An application process for above-mentioned fracturing sand control integration completion tubular column, it comprises the following steps:
1) after sleeve pipe completes perforation, under enter isolation packer and complete to set;
2) enter sand control pipe under, and make the 3rd of sand control pipe the to insert in sealing insertion isolation packer;
3) enter fracturing tubing string under, and make first of fracturing tubing string insert sealing and second insert sealing insert respectively sand control pipe top packer and the 3rd insert seal in;
4) fracturing tubing string is connected with sand control pipe by oil pipe, and is placed in sleeve pipe by fracturing tubing string by top connected pipes extension.
When pressure break bottom compacted zone, close the first sliding sleeve and the second sliding sleeve, set up and insert sealing, the second closed system that insertion seals and artificial bottom of a well forms by isolation packer, the 3rd; Now, fracturing fluid, under the operations involving high pressure of ground, flows out in the perforated pipe and guide shoe of fracturing tubing string, flows into bottom compacted zone, to realize the hydraulic fracturing job to bottom compacted zone through preforation tunnel.
If only production top weaker zone, enter first down blanking plug and be placed in second and be located joint, block real bottom compacted zone and produce passage; Then open the second sliding sleeve, set up top weaker zone and produce passage; Now, the gas of top weaker zone enters fracturing tubing string, and under sand control screen effect, prevents reservoir sand from entering fracturing tubing string, to realize the stand-alone development to top weaker zone.
If only production bottom compacted zone, closes the second sliding sleeve, ensure that second is located in joint without blanking plug simultaneously; Now, the gas of bottom compacted zone enters fracturing tubing string by perforated pipe and guide shoe, to realize the stand-alone development to bottom compacted zone.
If production top weaker zone and bottom compacted zone, then open the second sliding sleeve simultaneously, ensure that second is located in joint without blanking plug simultaneously; Now, the gas of top weaker zone and bottom compacted zone will flow in fracturing tubing string jointly, adopt to realize double-deck conjunction.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is owing to have employed pressure break and sand prevention integrated completion tubular column, simplifies pressing crack construction and sand control treatment flow process, has saved the activity duration, reduce operating cost, and make pressure break convenient with production.2, the present invention can according to need of production, and selective exploitation single or multiple lift is developed jointly, and makes production more flexible.3, the present invention owing to having installed safety control on tubing string, and be provided with control system supporting with it, therefore can guarantee pressure break and production period security risk controlled.4, adopt can optimum organization for string size of the present invention, therefore, it is possible to realize the separate zone production of many cover oil reservoirs.5, simple, the technology maturation of operating procedure of the present invention, can be widely used in the reservoir integration exploitation of multiple different physical property.
Accompanying drawing explanation
Fig. 1 is the structural representation of fracturing tubing string of the present invention;
Fig. 2 is the structural representation of sand control pipe of the present invention;
Fig. 3 is using state figure of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention includes fracturing tubing string 100 and a sand control pipe 200.
As shown in Figure 1, fracturing tubing string 100 comprises safety valve 1, first sliding sleeve 2, production packer 3, first is located joint 4, joint 10 is located in oil pipe 5, location sealing 6, first insertion sealing 7, second sliding sleeve 8, second insertion sealing 9, second, perforated pipe 11, NO-GO are located joint 12 and guide shoe 13.Wherein, safety valve 1 is arranged on the top of oil pipe 5, and the first sliding sleeve 2, production packer 3, first are located joint 4 and location sealing 6 is disposed on the oil pipe 5 below safety valve 1 successively.First inserts sealing 7 is arranged on the oil pipe 5 bottom adjacent location sealing 6, second sliding sleeve 8, second insert sealing 9, second be located joint 10, perforated pipe 11 and NO-GO be located joint 12 be disposed on successively first insertion sealing 7 below oil pipe 5 on, guide shoe 13 is arranged on the bottom of oil pipe 5.
As shown in Figure 2, sand control pipe 200 comprises top packer 14, blind pipe 15, sand control screen 16 and the 3rd insertion sealing 17.Wherein, the bottom of top packer 14 connects blind pipe 15, and the bottom of blind pipe 15 connects sand control screen 16, and the bottom of sand control screen 16 connects the 3rd and inserts sealing 17.
As shown in Figure 3, the present invention, after sleeve pipe 19 completes perforation, enters isolation packer 18 and completes to set under first adopting drilling rod or cable.Again with entering the sand control pipe 200 be made up of top packer 14, blind pipe 15, sand control screen 16 and the 3rd insertion sealing 17 under drilling rod, and the 3rd insertion sealing 17 is inserted in isolation packer 18.Then enter down be located joint 4 by safety valve 1, first sliding sleeve 2, production packer 3, first, oil pipe 5, location sealing 6, second insert sealing 7, second sliding sleeve 8, second and insert sealing 9, second and be located joint 10, perforated pipe 11 and NO-GO and be located the fracturing tubing string 100 that joint 12 and guide shoe 13 form, and in the first insertion sealing 7 and second is inserted top packer 14 that sealing 9 inserts sand control pipe 200 respectively and the 3rd insertion sealing 17.Now, fracturing tubing string 100 is connected with sand control pipe 200 by oil pipe 5, and is placed in sleeve pipe 19 by fracturing tubing string 100 by top connected pipes extension 20.
When pressure break bottom compacted zone, close the first sliding sleeve 2 and the second sliding sleeve 8 by special tool, set up the closed system be made up of isolation packer 18, the 3rd insertion sealing 17, second insertion sealing 9 and artificial bottom of a well thus.Now, fracturing fluid, under the operations involving high pressure of ground, flows out in the perforated pipe 11 and guide shoe 13 of fracturing tubing string, flows into bottom compacted zone through preforation tunnel, thus realizes the hydraulic fracturing job to bottom compacted zone.
If only production top weaker zone, enter blanking plug (not shown) under first passing through and be placed in second and be located joint 10 place, block real bottom compacted zone and produce passage.Then open the second sliding sleeve 8, set up top weaker zone and produce passage.Now, the gas of top weaker zone enters fracturing tubing string 100, and prevents reservoir sand from entering fracturing tubing string 100 under sand control screen 16 acts on, thus realizes the stand-alone development to top weaker zone.
If only production bottom compacted zone, then close the second sliding sleeve 8 by special tool, make the gas of top weaker zone cannot enter fracturing tubing string 100, ensure that second is located in joint 10 without blanking plug simultaneously.Now, the gas of bottom compacted zone then enters fracturing tubing string 100 by perforated pipe 11 and guide shoe 13, thus realizes the stand-alone development to bottom compacted zone.
If production top weaker zone and bottom compacted zone simultaneously, then open the second sliding sleeve 8, ensure that second is located in joint 10 without blanking plug simultaneously.Now, the gas of top weaker zone and bottom compacted zone will flow in fracturing tubing string 100 jointly, thus double-deck conjunction of realization is adopted.
The various embodiments described above are only for illustration of the present invention, and wherein the structure and connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (7)
1. a fracturing sand control integration completion tubular column, it is characterized in that, it comprises sand control pipe and fracturing tubing string;
Described fracturing tubing string comprises safety valve, the first sliding sleeve, production packer, first are located joint, oil pipe, location sealing, first insert sealing, the second sliding sleeve, second insert seal, second be located joint, perforated pipe, NO-GO be located joint and guide shoe; Wherein, described safety valve is arranged on the top of described oil pipe, and described first sliding sleeve, production packer, first are located joint and location sealing is disposed on the described oil pipe below described safety valve successively; Described first insertion sealing is arranged on the described oil pipe bottom adjacent described location sealing, described second sliding sleeve, second insert sealing, second be located joint, perforated pipe and NO-GO be located joint be disposed on successively described first insert sealing below described oil pipe on, described guide shoe is arranged on the bottom of described oil pipe;
Described sand control pipe comprises top packer, blind pipe, sand control screen and the 3rd insertion sealing; Wherein, the bottom of described top packer connects described blind pipe, and the bottom of described blind pipe connects described sand control screen, and the bottom of described sand control screen connects the described 3rd and inserts sealing; The 3rd of described sand control pipe inserts sealing and is inserted in the isolation packer that sets in sleeve pipe, and first of described fracturing tubing string inserts sealing and second and inserts in top packer and the 3rd that sealing is inserted in described sand control pipe respectively inserts and seal.
2. a kind of fracturing sand control integration completion tubular column as claimed in claim 1, it is characterized in that, described fracturing tubing string is hung by top connected pipes and is placed in described sleeve pipe.
3. an application process for fracturing sand control integration completion tubular column as claimed in claim 1 or 2, it comprises the following steps:
1) after sleeve pipe completes perforation, under enter isolation packer and complete to set;
2) enter sand control pipe under, and make the 3rd of sand control pipe the to insert in sealing insertion isolation packer;
3) enter fracturing tubing string under, and make first of fracturing tubing string insert sealing and second insert sealing insert respectively sand control pipe top packer and the 3rd insert seal in;
4) fracturing tubing string is connected with sand control pipe by oil pipe, and is placed in sleeve pipe by fracturing tubing string by top connected pipes extension.
4. the application process of fracturing sand control integration completion tubular column as claimed in claim 3, it is characterized in that, when pressure break bottom compacted zone, close the first sliding sleeve and the second sliding sleeve, set up and insert sealing, the second closed system that insertion seals and artificial bottom of a well forms by isolation packer, the 3rd; Now, fracturing fluid, under the operations involving high pressure of ground, flows out in the perforated pipe and guide shoe of fracturing tubing string, flows into bottom compacted zone, to realize the hydraulic fracturing job to bottom compacted zone through preforation tunnel.
5. the application process of fracturing sand control integration completion tubular column as claimed in claim 3, is characterized in that, if only production top weaker zone, enters first down blanking plug and is placed in second and is located joint, block real bottom compacted zone and produce passage; Then open the second sliding sleeve, set up top weaker zone and produce passage; Now, the gas of top weaker zone enters fracturing tubing string, and under sand control screen effect, prevents reservoir sand from entering fracturing tubing string, to realize the stand-alone development to top weaker zone.
6. the application process of fracturing sand control integration completion tubular column as claimed in claim 3, is characterized in that, if only production bottom compacted zone, closes the second sliding sleeve, ensures that second is located in joint without blanking plug simultaneously; Now, the gas of bottom compacted zone enters fracturing tubing string by perforated pipe and guide shoe, to realize the stand-alone development to bottom compacted zone.
7. the application process of fracturing sand control integration completion tubular column as claimed in claim 3, is characterized in that, if production top weaker zone and bottom compacted zone simultaneously, then opens the second sliding sleeve, ensures that second is located in joint without blanking plug simultaneously; Now, the gas of top weaker zone and bottom compacted zone will flow in fracturing tubing string jointly, adopt to realize double-deck conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291389.5A CN103321626B (en) | 2013-07-11 | 2013-07-11 | A kind of fracturing sand control integration completion tubular column and application process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310291389.5A CN103321626B (en) | 2013-07-11 | 2013-07-11 | A kind of fracturing sand control integration completion tubular column and application process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103321626A CN103321626A (en) | 2013-09-25 |
| CN103321626B true CN103321626B (en) | 2016-01-13 |
Family
ID=49190643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310291389.5A Active CN103321626B (en) | 2013-07-11 | 2013-07-11 | A kind of fracturing sand control integration completion tubular column and application process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103321626B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643931A (en) * | 2013-12-18 | 2014-03-19 | 中国海洋石油总公司 | Completion and fracture integrated pipe column of offshore openhole horizontal well and construction method of pipe column |
| CN103912257B (en) * | 2014-04-28 | 2016-04-06 | 中国石油集团渤海钻探工程有限公司 | A kind of dragging multiple fracturing device with pressure |
| CN107620582B (en) * | 2017-08-08 | 2018-08-03 | 广州海洋地质调查局 | Bilayer sleeve sand control completion technique and double-layer anti-sand completion tubular column |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505593Y (en) * | 2001-09-07 | 2002-08-14 | 中国石化胜利油田有限公司采油工艺研究院 | Multi-functional tubing string |
| CN201057038Y (en) * | 2007-07-10 | 2008-05-07 | 中国石油天然气股份有限公司 | Novel layered fracturing technique string of sand-preventing gas-blocking well |
| CN202832465U (en) * | 2012-09-18 | 2013-03-27 | 中国石油天然气股份有限公司 | Oil pipe dragging hydraulic jet fracture acidizing tool tubular column |
| CN203362145U (en) * | 2013-07-11 | 2013-12-25 | 中国海洋石油总公司 | Fracturing and sand prevention integrated completion pipe column |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7066265B2 (en) * | 2003-09-24 | 2006-06-27 | Halliburton Energy Services, Inc. | System and method of production enhancement and completion of a well |
-
2013
- 2013-07-11 CN CN201310291389.5A patent/CN103321626B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505593Y (en) * | 2001-09-07 | 2002-08-14 | 中国石化胜利油田有限公司采油工艺研究院 | Multi-functional tubing string |
| CN201057038Y (en) * | 2007-07-10 | 2008-05-07 | 中国石油天然气股份有限公司 | Novel layered fracturing technique string of sand-preventing gas-blocking well |
| CN202832465U (en) * | 2012-09-18 | 2013-03-27 | 中国石油天然气股份有限公司 | Oil pipe dragging hydraulic jet fracture acidizing tool tubular column |
| CN203362145U (en) * | 2013-07-11 | 2013-12-25 | 中国海洋石油总公司 | Fracturing and sand prevention integrated completion pipe column |
Non-Patent Citations (1)
| Title |
|---|
| 东方1-1气田完井技术及其研究展望;张崇 等;《天然气工业》;20120831;第32卷(第8期);31-34 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103321626A (en) | 2013-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201165866Y (en) | Horizontal well division and combination extracting pipe column | |
| CN201273188Y (en) | Integrated water exploration pipe column of casing tube well-completion horizontal well | |
| US10428632B2 (en) | Method, system, and optimization technique to improve oil reservoir recovery in the Water-Alternating-Gas injection process by using downhole control valves (WAG-CV) | |
| CA2907623C (en) | Increasing hydrocarbon recovery from reservoirs | |
| CN203362145U (en) | Fracturing and sand prevention integrated completion pipe column | |
| CN103573230B (en) | A kind of selectivity production practice and its equipment | |
| CN105358792A (en) | Method for producing oil from induced fractures using a single wellbore and multiple-channel tubing | |
| EA200870227A1 (en) | METHOD AND DEVICE OF THE WELLS HARVEST FOR ENDING, EXTRACTION AND SUPPLY | |
| CN202900205U (en) | Multifunctional formation testing well completion integral pipe column | |
| GB2506814A (en) | A downhole device for data acquisition during hydraulic fracturing operation and method therof | |
| CN103184859A (en) | Device and method for exploitation for single-well injection-production | |
| CN203702110U (en) | Horizontal well out-pipe staged fracturing sand prevention pipe column | |
| CN103321626B (en) | A kind of fracturing sand control integration completion tubular column and application process thereof | |
| CN105452602B (en) | Sponge pressure equalization system | |
| CN203239303U (en) | Extraction device used for injection and extraction of same well | |
| CN204212753U (en) | Upper strata layered polymer injection lower floor commingled water injection process pipe string | |
| CN204386576U (en) | Horizontal well in segments Intermittent cyclic steam stimulation note adopts integrated pipe column | |
| CN207177750U (en) | Integrated pipe column | |
| CN204082116U (en) | Oil well horizontal well oil jacket is with note formula two envelope single deck tape-recorder volume fracturing tubing string | |
| CN101418681A (en) | Oil-gas well separate-layer fracturing co-production primary pipe column process | |
| CN202788638U (en) | Cased hole completion multistage cracking horizontal well multistage segmentation release water exploration pipe column | |
| RU2533470C2 (en) | Procedure for recovery of tightness in flow strings | |
| CN204851081U (en) | Middle part shut -in well pours into high temperature water under high pressure horizontal well completion pipe string of low -gravity liquid into | |
| CN203822281U (en) | Under-pressure dragging type separate-layer fracturing device | |
| CN205532337U (en) | Well completion pipe string |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder |