CN107100606A - A kind of full-bore multistage subsection fracturing sliding bush - Google Patents
A kind of full-bore multistage subsection fracturing sliding bush Download PDFInfo
- Publication number
- CN107100606A CN107100606A CN201610092469.1A CN201610092469A CN107100606A CN 107100606 A CN107100606 A CN 107100606A CN 201610092469 A CN201610092469 A CN 201610092469A CN 107100606 A CN107100606 A CN 107100606A
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- inner sliding
- liquid flow
- cylinder body
- outer cylinder
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The present invention relates to a kind of full-bore multistage subsection fracturing sliding bush, upper inner sliding sleeve has pin connection between the two in top connection；Lower contact is coupled by screw thread with top connection；Middle inner sliding sleeve is mounted in lower contact, and is coupled by screw thread with upper inner sliding sleeve；Upper valve core connects in middle inner sliding sleeve with upper inner sliding sleeve；There is upper spring in the annular space that upper valve core is constituted with middle inner sliding sleeve；Ball seat is in middle inner sliding sleeve；Lower inner sliding sleeve is mounted in lower contact, and its upper end connects with middle inner sliding sleeve；Bottom spool is mounted in lower inner sliding sleeve, there is pin connection between the two；There is lower spring in the annular space that bottom spool is constituted with middle inner sliding sleeve.After the completion of all interval pressure breaks, well head gradually pressure release, under the effect of upper and lower spring restoring force, upper and lower valve element is moved up so that ball seat returns to initial position, and pressure break ball, which can fall on shaft bottom or return, is discharged to ground.The other instruments of tripping in are not needed to carry out operation, the present invention can realize infinite stages and full-bore pressure break simultaneously.
Description
Technical field
The present invention relates to the full-bore fracturing tool of a kind of fracturing tool field, especially staged fracturing.
Background technology
Enter in the whole world under the historical background that difficult-to-produce reserves are developed, domestic and international oil gas is faced with hyposmosis, super-low permeability reservoir natural production capacity is low, develops and builds the low exploitation problem of yield, and the recovery ratio and reserves exploitation rate for how improving low-permeability oil deposit are increasingly becoming domestic and international oil and gas development field urgent problem.Fracture technology is the key technology for cracking Low Permeability Oil/gas exploitation, and by years development, the fracture technology series for different Oil-gas Accumulation Types has been formd both at home and abroad.
Foreign countries' volume fracturing technology is main based on cluster formula sliding sleeve and the class fracturing technique of composite bridge plug two at present, this two classes fracturing technique pressure break finishes rear pit shaft internal memory residual ball seat or bridging plug, easily cause oil gas well plugging and low liquid phenomenon, the operations such as secondary transformation can not be carried out, need tripping in instrument to bore ball seat and bridging plug to remove, therefore operating cost is added while extending construction period.
The content of the invention
In order to overcome existing volume fracturing technology the problem of full-bore pressure break is realized in the case that not tripping in instrument carries out operation, the present invention provides a kind of full-bore multistage subsection fracturing sliding bush.The sliding sleeve has the advantages that construction, and pressure break series is unrestricted, full-bore in tubing string, without boring except operation, returning row and subsequent tool tripping in beneficial to later stage liquid, the deficiencies in the prior art can be made up well, be that hyposmosis and the exploitation of unconventional petroleum resources provide another sharp weapon.
The technical solution adopted in the present invention is：
A kind of full-bore multistage subsection fracturing sliding bush, including outer cylinder body and inner sliding sleeve, the ball seat being arranged in outer cylinder body, wherein：The outer cylinder body connects and composes straight barrel expanding inside and outside stage casing by top connection 1 and the two parts of lower contact 6 are coaxial, multiple pressure break holes 28 are radially distributed with the top of outer cylinder body, liquid flow control road 18 on top-down and lower hydraulic control runner 21 from bottom to top are set respectively vertically on the tube wall of outer cylinder body extension diameter section, and upper liquid flow control road 18 and lower hydraulic control runner 21 are blocked in the upper and lower part of pressure break hole 28 respectively；The inner sliding sleeve is by upper inner sliding sleeve 3, middle inner sliding sleeve 12, the lower part of inner sliding sleeve 17 3 is constituted, three parts of inner sliding sleeve constitute the sealing that slides axially with outer cylinder body extension diameter section inwall and coordinated, after wherein upper inner sliding sleeve 3 is fixed by pin B19 and outer cylinder body, the upper lower end of inner sliding sleeve 3 is connected with middle inner sliding sleeve 12 and forms one section of upper annular groove, upper spring 8 is set in upper annular groove, the middle lower inner wall of inner sliding sleeve 12 is provided with V-shaped groove, lower inner sliding sleeve 17 is independently fixed on outer cylinder body bottom below middle inner sliding sleeve 12 by pin A14, annular groove is set in the lower top of inner sliding sleeve 17, lower spring 15 is set in lower annular groove；It is provided with to slide axially with upper inner sliding sleeve 3, middle inner sliding sleeve 12 in annular groove section on upper spring 8 is residing and seals the upper valve core 9 coordinated, the outer wall of upper valve core 9 sets upper piston, upper piston is located in upper annular groove and coordinated with the composition support of upper spring 8；The bottom spool 16 coordinated is sealed being provided with to slide axially with middle inner sliding sleeve 12 and lower inner sliding sleeve 17 in lower annular groove section residing for lower spring 15, the outer wall of bottom spool 16 sets lower piston, lower piston is located in lower annular groove and coordinated with the composition support of lower spring 15；The ball seat 13 is elastic claw structure, elastic claw lower end is provided with outer lug, and coordinate during the outer lug expansion of elastic claw lower end with the middle inwall V-shaped groove of inner sliding sleeve 12, constitute to close with spheroid when the outer lug of elastic claw lower end is shunk and coordinate, the upper end of ball seat 13 is docked with upper valve core 9, and cooperation is docked in the lower end of ball seat 13 with the gap of bottom spool 16；In the upper annular groove upper and lower end portion of middle inner sliding sleeve 12, radial flow of liquid hole A22, liquid flow hole C24 are set respectively, in outer cylinder body, liquid flow hole B23, liquid flow hole D25, liquid flow hole E26, the liquid flow hole F27 with the lower insertion of hydraulic control runner 21 are set respectively from top to bottom, and liquid flow hole A22 constitutes interval insertion with liquid flow hole B23, liquid flow hole E26 respectively and coordinated, liquid flow hole C24 constitutes interval insertion with liquid flow hole D25, liquid flow hole F27 respectively and coordinated；Upper liquid flow control road 18 is communicated in outside outer cylinder body between outer cylinder body inside.
Such scheme also includes：
Full-bore multistage subsection fracturing sliding bush is sequentially connected in series by multiple full-bore multistage subsection fracturing sliding bushs, and the lower hydraulic control runner 21 of higher level's full-bore multistage subsection fracturing sliding bush is concatenated with the upper liquid flow control road 18 of subordinate full-bore multistage subsection fracturing sliding bush by pipeline.
Such scheme further comprises：
The outer end of top connection 1 and lower contact 6 is respectively equipped with connection screw thread, and threaded ends to outer cylinder body extension diameter section is provided with filleted transition.
Sliding between inner sliding sleeve and outer cylinder body and upper and lower valve element is respectively equipped with sealing ring on sealing surface.
The external port of upper liquid flow control road 18 and lower hydraulic control runner 21 is the either quick interface of screw thread docking port.
The beneficial effects of the invention are as follows：1. after the completion of all interval pressure breaks, operation is removed without boring, whole tubing string is full-bore, beneficial to later stage production management；2. without liquid controling pipe line, interior packer and it is special drive sliding sleeve instrument, need to only put into the pressure break ball of multiple same sizes can open all sliding sleeves, and technique is simple, efficiency high；3. differential, the multistage achievable infinite stages of sliding sleeve series connection are not present with that can reset ball seat in pressure break ball.
Brief description of the drawings
Fig. 1 is fracturing sliding bush structural representation of the present invention；
Fig. 2 is the sectional view at A-A in Fig. 1；
Fig. 3 is the sectional view at B-B in Fig. 1；
Fig. 4 is the sectional view at C-C in Fig. 1；
Fig. 5 be I in Fig. 1 at partial enlarged drawing；
Fig. 6 is structural representation when this fracturing sliding bush is opened；
Fig. 7 be II in Fig. 6 at partial enlarged drawing；
Fig. 8 is two-stage this fracturing sliding bush cascaded structure schematic diagram；
In Fig. 1-8, 1. top connection, 2.4.5.7.10.11.20 it is O-ring seal A.B.C.D.E.F.G respectively, 3. on inner sliding sleeve, 6. lower contact, 8. on spring, 9. upper valve core, 10. piston, 12. in inner sliding sleeve, 13. ball seat, 14.19 be pin A.B respectively, 15. lower spring, 16. bottom spool, 17. lower inner sliding sleeve, 18. upper liquid flow control road, 21. lower hydraulic control runner, 22-27 is liquid flow hole A.B.C.D.E.F respectively, 28. pressure break hole, 29. on liquid controling pipe line, 30. lower liquid controling pipe line, 31. first order full-bore multistage subsection fracturing sliding bush, 32. second level full-bore multistage subsection fracturing sliding bush.
Embodiment
Embodiment 1：
Fig. 1 and Fig. 6 is the full-bore multistage subsection fracturing sliding bush structural representation of single structure, is made up of top connection 1, upper inner sliding sleeve 3, lower contact 6, upper spring 8, upper valve core 9, middle inner sliding sleeve 12, ball seat 13, lower spring 15, bottom spool 16, lower inner sliding sleeve 17 and pin A14, B19.Wherein：Top connection 1 and the coaxial threaded connection of the two parts of lower contact 6 constitute outer cylinder body expanding inside and outside stage casing, and multiple pressure break holes 28 are radially distributed with the top of outer cylinder body（Reference picture 2）, liquid flow control road 18 on top-down and lower hydraulic control runner 21 from bottom to top are set respectively vertically on the tube wall of top connection 1 and the extension diameter section of lower contact 6.Upper liquid flow control road 18 and lower hydraulic control runner 21 are blocked in the upper and lower part of pressure break hole 28 respectively.Inner sliding sleeve is constituted by upper inner sliding sleeve 3, middle inner sliding sleeve 12, the part of lower inner sliding sleeve 17 3, three parts of inner sliding sleeve constitute the sealing that slides axially with outer cylinder body extension diameter section inwall and coordinated.Wherein upper inner sliding sleeve 3 is fixed by pin B19 with outer cylinder body（Referring to the drawings 3）Afterwards, the upper lower end of inner sliding sleeve 3 is threadedly coupled with middle inner sliding sleeve 12 and forms one section of upper annular groove.Upper spring 8 is set in upper annular groove, and the middle lower inner wall of inner sliding sleeve 12 is provided with V-shaped groove, and lower inner sliding sleeve 17 is independently fixed by pin A14（Referring to the drawings 4）In outer cylinder body bottom below middle inner sliding sleeve 12, set in the lower top of inner sliding sleeve 17 and lower spring 15 is set in annular groove, lower annular groove.It is provided with to slide axially with upper inner sliding sleeve 3, middle inner sliding sleeve 12 in annular groove section on upper spring 8 is residing and seals the upper valve core 9 coordinated, the outer wall of upper valve core 9 sets upper piston, upper piston is located in upper annular groove and coordinated with the composition support of upper spring 8.The bottom spool 16 coordinated is sealed being provided with to slide axially with middle inner sliding sleeve 12 and lower inner sliding sleeve 17 in lower annular groove section residing for lower spring 15, the outer wall of bottom spool 16 sets lower piston, lower piston is located in lower annular groove and constitutes support with lower spring 15 and coordinates, and lower spring 15 has certain pre compressed magnitude.The ball seat 13 is elastic claw structure, elastic claw lower end is provided with outer lug, and coordinate during the outer lug expansion of elastic claw lower end with the middle inwall V-shaped groove of inner sliding sleeve 12, constitute to close with spheroid when the outer lug of elastic claw lower end is shunk and coordinate, the upper end of ball seat 13 is docked with upper valve core 9, and cooperation is docked in the lower end of ball seat 13 with the gap of bottom spool 16.Referring to the drawings 5 and 7, in the upper annular groove upper and lower end portion of middle inner sliding sleeve 12, radial flow of liquid hole A22, liquid flow hole C24 are set respectively, in the part of lower contact 6 of outer cylinder body, liquid flow hole B23, liquid flow hole D25, liquid flow hole E26, the liquid flow hole F27 with the lower insertion of hydraulic control runner 21 are set respectively from top to bottom, and liquid flow hole A22 constitutes interval insertion with liquid flow hole B23, liquid flow hole E26 respectively and coordinated, liquid flow hole C24 constitutes interval insertion with liquid flow hole D25, liquid flow hole F27 respectively and coordinated.Upper liquid flow control road 18 is communicated in outside outer cylinder body between outer cylinder body inside.
Top connection shown in Fig. 2 has several pressure break holes 28.
There are some pin B19 between top connection shown in Fig. 3 and upper inner sliding sleeve.
There are some pin A14 between bottom spool shown in Fig. 4 and lower inner sliding sleeve.
Structural representation when this fracturing sliding bush shown in Fig. 6 is opened, now UNICOM inside and outside sliding sleeve, pin A14, B19 have been cut, upper spring 8 and lower spring 15 are in compressive state, the closure of ball seat 13 is a complete ball seat, and liquid flow hole A22 is connected with liquid flow hole E26, and liquid flow hole C24 is connected with liquid flow hole F27.
Embodiment 2：
In order to improve the sealing of sliding sleeve, O-ring seal A2, B4, C5 are respectively equipped with sealing surface in upper inner sliding sleeve 3 and top connection 1, sliding for lower contact 6；O-ring seal F11 is provided between middle inner sliding sleeve 12 and lower contact 6；Slided between upper valve core 9 and upper inner sliding sleeve 3, middle inner sliding sleeve and O-ring seal G20, D7, E10 are respectively equipped with sealing surface.
Operation principle：When full-bore multistage subsection fracturing sliding bush pressure break, pressure acts on upper valve core 9 by lower hydraulic control runner 21, upper valve core 9 is moved down under differential pressure action, upper spring 8 compresses simultaneously, upper valve core 9 drives ball seat 13 to move down, and the elastic claw of the lower end of ball seat 13 can radially contracted be the ball seat of a closure.Throw pressure break ball, pressure break ball is blocked when reaching ball seat 13, ball seals with closure ball seat formation and plays pressure, when pressure reaches certain value, pin 19 between upper inner sliding sleeve 3 and top connection 1 is cut, pressure break spherical zone move ball seat 13, upper inner sliding sleeve 3, middle inner sliding sleeve 12, lower inner sliding sleeve 17, upper valve core 9, bottom spool 16, upper spring 8 and lower spring 15 be displaced downwardly to together lower inner sliding sleeve 17 lower end contacted with lower contact 6 untill, sliding sleeve is opened, now liquid flow hole A22 is connected with liquid flow hole E26, and liquid flow hole C24 is connected with liquid flow hole F27.When pressure reaches certain value, bottom spool 16 is cut with the pin 14 in lower inner sliding sleeve 17, untill the lower end that pressure break spherical zone promotes ball seat 13 and bottom spool 16 to be displaced downwardly to bottom spool 16 together is contacted with lower inner sliding sleeve 17, while lower spring 15 is compressed, now can the current interval of pressure break.
Embodiment 3：
Referring to the drawings 8, the upper end that box cupling connects second level full-bore multistage subsection fracturing sliding bush 32 was connected in the lower end of first order full-bore multistage subsection fracturing sliding bush 31, and upper liquid flow control road 18 and lower hydraulic control runner 21, the other end of lower liquid controling pipe line 30 and the inside UNICOM of next stage full-bore multistage subsection fracturing sliding bush are communicated in by upper liquid controling pipe line 29.
Its operation principle is：When pressure difference sliding sleeve, which is opened, carries out pressure break, pressure acts on upper valve core 9 by lower liquid controling pipe line 30, lower hydraulic control runner 21 and liquid flow hole 22,23,24,25, and upper valve core 9 is moved down under differential pressure action, while upper spring 8 compresses；Upper valve core 9 drives ball seat 13 to move down, and the elastic claw of the lower end of ball seat 13 can radially contracted be the ball seat of a closure.Throw pressure break ball, pressure break ball is blocked when reaching ball seat 13, ball seals with closure ball seat formation and plays pressure, when pressure reaches certain value, pin 19 between upper inner sliding sleeve 3 and top connection 1 is cut, pressure break spherical zone move ball seat 13, upper inner sliding sleeve 3, middle inner sliding sleeve 12, lower inner sliding sleeve 17, upper valve core 9, bottom spool 16, upper spring 8 and lower spring 15 be displaced downwardly to together lower inner sliding sleeve 17 lower end contacted with lower contact 6 untill, sliding sleeve is opened, now liquid flow hole 22 is connected with liquid flow hole 26, and liquid flow hole 24 is connected with liquid flow hole 27 sees Fig. 7.When pressure reaches certain value, bottom spool 16 is cut with the pin 14 in lower inner sliding sleeve 17, untill the lower end that pressure break spherical zone promotes ball seat 13 and bottom spool 16 to be displaced downwardly to bottom spool 16 together is contacted with lower inner sliding sleeve 17, lower spring 15 is compressed simultaneously, now the position of each parts of the fracturing sliding bush and state are as shown in fig. 6, continuation pressurization can the interval of pressure break first.In fracturing process, pressure passes to the upper valve core of second level sliding sleeve 32 by upper liquid flow control road 18 and upper liquid controling pipe line 29, and repeating above procedure can the interval of pressure break second.The like, can pressure break third layer section, the 4th interval ..., after the completion of all interval pressure breaks, well head gradually pressure release, under the effect of the upper restoring force of spring 8, upper valve core 9 is moved up；Simultaneously under the effect of the restoring force of lower spring 15, bottom spool 16 is also moved up so that ball seat returns to initial position, and pressure break ball, which releasably arrives shaft bottom or returned, is discharged to ground, and whole tubing string can realize full-bore.
Claims (5)
1. a kind of full-bore multistage subsection fracturing sliding bush, including outer cylinder body and inner sliding sleeve, the ball seat being arranged in outer cylinder body, it is characterized in that：The outer cylinder body is by top connection（1）And lower contact（6）Two parts are coaxial to connect and compose straight barrel expanding inside and outside stage casing, and multiple pressure break holes are radially distributed with the top of outer cylinder body（28）, liquid flow control road on top-down is set respectively vertically on the tube wall of outer cylinder body extension diameter section（18）Lower hydraulic control runner from bottom to top（21）, upper liquid flow control road（18）With lower hydraulic control runner（21）Respectively in pressure break hole（28）Upper and lower part is blocked；The inner sliding sleeve is by upper inner sliding sleeve（3）, middle inner sliding sleeve（12）, lower inner sliding sleeve（17）Three parts are constituted, and three parts of inner sliding sleeve constitute the sealing that slides axially with outer cylinder body extension diameter section inwall and coordinated, wherein upper inner sliding sleeve（3）Pass through pin B（19）After being fixed with outer cylinder body, upper inner sliding sleeve（3）Lower end and middle inner sliding sleeve（12）Connect and formed in one section of upper annular groove, upper annular groove and upper spring is set（8）, middle inner sliding sleeve（12）Lower inner wall is provided with V-shaped groove, lower inner sliding sleeve（17）Pass through pin A（14）Outer cylinder body bottom is independently fixed in middle inner sliding sleeve（12）Lower section, lower inner sliding sleeve（17）Set in top and lower spring is set in annular groove, lower annular groove（15）；In upper spring（8）It is provided with and upper inner sliding sleeve in residing upper annular groove section（3）, middle inner sliding sleeve（12）The upper valve core that the sealing that slides axially coordinates（9）, upper valve core（9）Outer wall set upper piston, upper piston be located at upper annular groove in and with upper spring（8）Support is constituted to coordinate；In lower spring（15）It is provided with and middle inner sliding sleeve in residing lower annular groove section（12）With lower inner sliding sleeve（17）The bottom spool that the sealing that slides axially coordinates（16）, bottom spool（16）Outer wall sets lower piston, and lower piston is located in lower annular groove and and lower spring（15）Support is constituted to coordinate；The ball seat（13）For elastic claw structure, elastic claw lower end is provided with outer lug, and during the outer lug expansion of elastic claw lower end with middle inner sliding sleeve（12）Inwall V-shaped groove coordinates, and constitutes and coordinates with spheroid closing when the outer lug of elastic claw lower end is shunk, ball seat（13）Upper end and upper valve core（9）Docking, ball seat（13）Lower end and bottom spool（16）Gap docking coordinates；In middle inner sliding sleeve（12）Upper annular groove upper and lower end portion radial flow of liquid hole A is set respectively（22）, liquid flow hole C（24）, set and lower hydraulic control runner respectively from top to bottom in outer cylinder body（21）The liquid flow hole B of insertion（23）, liquid flow hole D（25）, liquid flow hole E（26）, liquid flow hole F（27）, and liquid flow hole A（22）Respectively with liquid flow hole B（23）, liquid flow hole E（26）Constitute interval insertion to coordinate, liquid flow hole C（24）Respectively with liquid flow hole D（25）, liquid flow hole F（27）Interval insertion is constituted to coordinate；Upper liquid flow control road（18）It is communicated in outside outer cylinder body between outer cylinder body inside.
2. full-bore multistage subsection fracturing sliding bush according to claim 1, it is characterized in that：It is sequentially connected in series by multiple full-bore multistage subsection fracturing sliding bushs, and the lower hydraulic control runner of higher level's full-bore multistage subsection fracturing sliding bush（21）With the upper liquid flow control road of subordinate full-bore multistage subsection fracturing sliding bush（18）Concatenated by pipeline.
3. full-bore multistage subsection fracturing sliding bush according to claim 1 or 2, it is characterized in that：Top connection（1）And lower contact（6）Outer end be respectively equipped with connection screw thread, and threaded ends to outer cylinder body extension diameter section is provided with filleted transition.
4. full-bore multistage subsection fracturing sliding bush according to claim 1 or 2, it is characterized in that：Sliding between inner sliding sleeve and outer cylinder body and upper and lower valve element is respectively equipped with sealing ring on sealing surface.
5. full-bore multistage subsection fracturing sliding bush according to claim 1 or 2, it is characterized in that：Upper liquid flow control road（18）With lower hydraulic control runner（21）External port be the either quick interface of screw thread docking port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092469.1A CN107100606B (en) | 2016-02-19 | 2016-02-19 | Full latus rectum multistage staged fracturing sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092469.1A CN107100606B (en) | 2016-02-19 | 2016-02-19 | Full latus rectum multistage staged fracturing sliding sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107100606A true CN107100606A (en) | 2017-08-29 |
| CN107100606B CN107100606B (en) | 2023-05-02 |
Family
ID=59658709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610092469.1A Active CN107100606B (en) | 2016-02-19 | 2016-02-19 | Full latus rectum multistage staged fracturing sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107100606B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577925A (en) * | 2017-09-28 | 2019-04-05 | 中国石油天然气股份有限公司 | The more cluster fracturing strings of more cluster spray guns, hydraulic jet perforation and technique |
| CN110145289A (en) * | 2018-02-11 | 2019-08-20 | 中石化石油工程技术服务有限公司 | It is a kind of without differential full-bore fracturing sliding bush |
| CN111206911A (en) * | 2020-02-14 | 2020-05-29 | 中国石油大学(北京) | Hydraulic transmission hydraulic jet infinite-stage fracturing device |
| CN113153218A (en) * | 2021-05-18 | 2021-07-23 | 燕山大学 | Full-bore infinite-stage fracturing sliding sleeve |
| CN113719257A (en) * | 2021-10-07 | 2021-11-30 | 哈尔滨工业大学重庆研究院 | Full-bore infinite intelligent fracturing sliding sleeve and layered fracturing implementation method thereof |
| CN114364861A (en) * | 2019-11-05 | 2022-04-15 | 哈利伯顿能源服务公司 | Ball seat release apparatus |
| CN114427422A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Multi-section fracturing and intelligent well completion integrated pipe column and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832121A (en) * | 2010-05-24 | 2010-09-15 | 大港油田集团有限责任公司 | Horizontal well circulating gravel packing sand retention device |
| CN202707016U (en) * | 2012-07-04 | 2013-01-30 | 湖南唯科拓石油科技服务有限公司 | Sliding sleeve for oil gas well slicing extraction |
| US20130161017A1 (en) * | 2011-12-21 | 2013-06-27 | Baker Hughes Incorporated | Hydrostatically Powered Fracturing Sliding Sleeve |
| CN103410491A (en) * | 2013-07-19 | 2013-11-27 | 中国石油天然气股份有限公司 | Hole shrinking sliding sleeve |
| CN104948148A (en) * | 2015-06-30 | 2015-09-30 | 中国石油大学(华东) | Stepless flow control device |
| CN204877369U (en) * | 2015-08-25 | 2015-12-16 | 中国石油化工股份有限公司 | Liquid accuse is from deblocking formula fracturing packer |
| CN205532545U (en) * | 2016-02-19 | 2016-08-31 | 中石化石油工程技术服务有限公司 | Complete multistage staged fracturing sliding sleeve of latus rectum |
-
2016
- 2016-02-19 CN CN201610092469.1A patent/CN107100606B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832121A (en) * | 2010-05-24 | 2010-09-15 | 大港油田集团有限责任公司 | Horizontal well circulating gravel packing sand retention device |
| US20130161017A1 (en) * | 2011-12-21 | 2013-06-27 | Baker Hughes Incorporated | Hydrostatically Powered Fracturing Sliding Sleeve |
| CN202707016U (en) * | 2012-07-04 | 2013-01-30 | 湖南唯科拓石油科技服务有限公司 | Sliding sleeve for oil gas well slicing extraction |
| CN103410491A (en) * | 2013-07-19 | 2013-11-27 | 中国石油天然气股份有限公司 | Hole shrinking sliding sleeve |
| CN104948148A (en) * | 2015-06-30 | 2015-09-30 | 中国石油大学(华东) | Stepless flow control device |
| CN204877369U (en) * | 2015-08-25 | 2015-12-16 | 中国石油化工股份有限公司 | Liquid accuse is from deblocking formula fracturing packer |
| CN205532545U (en) * | 2016-02-19 | 2016-08-31 | 中石化石油工程技术服务有限公司 | Complete multistage staged fracturing sliding sleeve of latus rectum |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577925A (en) * | 2017-09-28 | 2019-04-05 | 中国石油天然气股份有限公司 | The more cluster fracturing strings of more cluster spray guns, hydraulic jet perforation and technique |
| CN109577925B (en) * | 2017-09-28 | 2020-12-01 | 中国石油天然气股份有限公司 | Multi-cluster spray gun, hydraulic sand-blasting perforation multi-cluster staged fracturing pipe column and process |
| CN110145289A (en) * | 2018-02-11 | 2019-08-20 | 中石化石油工程技术服务有限公司 | It is a kind of without differential full-bore fracturing sliding bush |
| CN114364861A (en) * | 2019-11-05 | 2022-04-15 | 哈利伯顿能源服务公司 | Ball seat release apparatus |
| CN111206911A (en) * | 2020-02-14 | 2020-05-29 | 中国石油大学(北京) | Hydraulic transmission hydraulic jet infinite-stage fracturing device |
| CN114427422A (en) * | 2020-09-25 | 2022-05-03 | 中国石油化工股份有限公司 | Multi-section fracturing and intelligent well completion integrated pipe column and method |
| CN114427422B (en) * | 2020-09-25 | 2024-02-02 | 中国石油化工股份有限公司 | Multistage fracturing and intelligent well completion integrated tubular column and method |
| CN113153218A (en) * | 2021-05-18 | 2021-07-23 | 燕山大学 | Full-bore infinite-stage fracturing sliding sleeve |
| CN113719257A (en) * | 2021-10-07 | 2021-11-30 | 哈尔滨工业大学重庆研究院 | Full-bore infinite intelligent fracturing sliding sleeve and layered fracturing implementation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107100606B (en) | 2023-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107100606A (en) | A kind of full-bore multistage subsection fracturing sliding bush | |
| CN205532545U (en) | Complete multistage staged fracturing sliding sleeve of latus rectum | |
| CN202731865U (en) | Switchable fracturing sliding sleeve | |
| CN102966327B (en) | Expansion tube | |
| CN201924905U (en) | Differential pressure open sliding sleeve for horizontal well fracturing | |
| CN110145289A (en) | It is a kind of without differential full-bore fracturing sliding bush | |
| CN104929603A (en) | Infinite stage type sectional cracking method for sleeve | |
| CN102808584A (en) | Mechanical water plugging pipe column for multi-point discharge of cased hole completion multi-section fractured horizontal well and method | |
| CN103452542A (en) | Switchable fracturing sliding sleeve | |
| CN109973066A (en) | A kind of full-bore well cementation fracturing device | |
| CN110107251A (en) | A kind of frac-pack crossover tool | |
| CN202483546U (en) | Fracture sliding sleeve assembly capable of being opened and closed | |
| CN207048760U (en) | A kind of ball-throwing type full-bore fracturing sliding bush | |
| CN112127855A (en) | Full latus rectum sand control double-stage mechanism to staged fracturing pit shaft | |
| CN202215223U (en) | Technology for limit-free staged fracturing down-hole string of horizontal open well | |
| CN111577204B (en) | Underground cascade sliding sleeve system | |
| CN203383783U (en) | Closed-type bottom reversing switch | |
| CN203201541U (en) | Fracturing sliding sleeve | |
| CN203239310U (en) | Unlimited-section fracture casing pipe sliding sleeve | |
| CN202914063U (en) | Graduation-free sand blast perforating fracturing tool | |
| CN202745847U (en) | Controllable hydraulic ejector | |
| CN103883280A (en) | Multistage fracturing and exploitation control sliding sleeve and well completion tail pipe string structure | |
| CN106014355A (en) | Downhole tool for changing downhole oil nozzle size through wellhead pressurization | |
| CN103244082A (en) | Flexible first-time sand control sandblasting technique pipe | |
| CN204024624U (en) | Multistage big orifice annular space throttling sandblaster |
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 |