CN104047582B - Multiple zone intelligence is joined production. art tubing string - Google Patents
Multiple zone intelligence is joined production. art tubing string Download PDFInfo
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- CN104047582B CN104047582B CN201410314491.7A CN201410314491A CN104047582B CN 104047582 B CN104047582 B CN 104047582B CN 201410314491 A CN201410314491 A CN 201410314491A CN 104047582 B CN104047582 B CN 104047582B
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Abstract
The invention discloses a kind of multiple zone intelligence and join production. art tubing string, comprise from top to bottom sequentially the oil pipe buffer of serial connection, producing fluid level testing valve, multiple multiple zone intelligence production mandrel and sealing plug, between adjacent multiple zone intelligence production mandrel, be connected by oil pipe; Each multiple zone intelligence production mandrel comprises the production mandrel that is positioned at hypomere, production mandrel comprises the tubular production mandrel main body that has main body radial direction through hole in its circle wall, the production mandrel main body that is positioned at main body radial direction through hole top is equipped with positioning sleeve by screw thread, the production mandrel main body of its below is equipped with production mandrel lower contact by screw thread, and described production mandrel is also provided with the main body radial direction through hole opening device that is used to open or close described main body radial direction through hole. The present invention can be by throwing in the special TO main body radial direction through hole opening device that rotarily opens from oil pipe, the oil of this oil reservoir enters in multiple zone intelligence production mandrel by main body radial direction through hole, and then realizes and exploit selectively certain one deck oil.
Description
Technical field
The present invention relates to oil recovery field, specifically relate to a kind of multiple zone intelligence and join production. art tubing string.
Background technology
In existing oil recovery technique, be all to adopt packer packing to block layer or lower floor, adopt all the other oil reservoirs, still, along with the exploitation of oil, petroleum reserves reduces, and oil reservoir water content is more and more higher, and it is more and more lower that output also becomes. Exploitation subdivision of reservoir oil recovery technique, by high aquifer formation shutoff, the high oil reservoir of exploitation oil content is to improving oil exploitation efficiency, reduce cost of oil production significant, subdivision of reservoir recovers the oil need to accurately find high aquifer formation, and oil field needs lower tubular column repeatedly at present, looks for water blockoff, the cost plenty of time, human and material resources, in subdivision of reservoir oil recovery process, existing oil extraction process tubular column cannot accomplish that shutoff random layer exploits remainder layer simultaneously, can only shutoff adjacent layer, remainder layer is mixed to be adopted.
Summary of the invention
The technical problem to be solved in the present invention is to provide the multiple zone intelligence that can exploit selectively certain one deck oil in a kind of subdivision of reservoir oil recovery process in shutoff random layer and joins production. art tubing string.
For solving the problems of the technologies described above, multiple zone intelligence of the present invention is joined production. art tubing string, comprise the oil pipe buffer, producing fluid level testing valve, multiple multiple zone intelligence production mandrel and the sealing plug that are sequentially connected in series from top to bottom, between adjacent multiple zone intelligence production mandrel, be connected by oil pipe, described oil pipe buffer comprises upper and lower flexible coupling and buffering overcoat, described buffering overcoat is set in outside upper and lower flexible coupling, its upper end is threaded with upper flexible coupling, and upper flexible coupling drives buffering overcoat to slide up and down along described lower flexible coupling outer circle wall, described producing fluid level testing valve comprises testing valve main body and is located at the test sliding sleeve in testing valve main body by shear pin fixed cover, in the circle wall of described testing valve main body, have and radially test through hole, described test sliding sleeve with radially test through hole liquid sealing and coordinate, test sliding sleeve matches with described testing valve main body and forms and radially test through hole opener in the outer circumference direction of radially testing through hole, and the upper end of described testing valve main body is connected with the lower contact of described oil pipe buffer by screw thread, described each multiple zone intelligence production mandrel comprises the packer that is positioned at epimere and the production mandrel that is positioned at hypomere, described packer comprises, lower packing joint, on, between lower packing joint, central tube is housed, described production mandrel comprises the tubular production mandrel main body that has main body radial direction through hole in its circle wall, the production mandrel main body that is positioned at main body radial direction through hole top is equipped with positioning sleeve by screw thread, the production mandrel main body of its below is equipped with production mandrel lower contact by screw thread, described production mandrel is also provided with the main body radial direction through hole opening device that is used to open or close described main body radial direction through hole, described packer is connected by connector with the positioning sleeve of its lower packing joint and production mandrel, described multiple zone intelligence production mandrel is connected with the testing valve main body lower end of described producing fluid level testing valve by packing joint on it.
Adopt the multiple zone intelligence of said structure to join production. art tubing string, when use, the upper flexible coupling of oil pipe buffer is connected with oil pipe, make to set between epimere packer part in multiple zone intelligence production mandrel and wellbore casing, because described production mandrel comprises the tubular production mandrel main body that has main body radial direction through hole in its circle wall, the production mandrel main body that is positioned at main body radial direction through hole top is equipped with positioning sleeve by screw thread, the production mandrel main body of its below is equipped with production mandrel lower contact by screw thread, described production mandrel is also provided with the main body radial direction through hole opening device that is used to open or close described main body radial direction through hole, in the time that needs are selected certain one deck of exploitation, can be by throw in the special main body radial direction through hole opening device rotarily opening described in TO from oil pipe, now the oil of this oil reservoir enters in multiple zone intelligence production mandrel by main body radial direction through hole, and then realize and exploit selectively certain one deck oil. because oil pick-up tube in the time extracting oil with oil well pump can produce wriggling, the architectural feature that on oil pipe buffer in the present invention, flexible coupling drives buffering overcoat to slide up and down along described lower flexible coupling outer circle wall can make oil pipe bumper portion of the present invention along with oil pipe is done corresponding elongating or shortening, can avoid the removing seal for packer in multiple zone intelligence production mandrel, producing fluid level testing valve can form linker structure with wellbore casing by the unlatching of radially testing through hole in addition, can be by the height of oil liquid level in the instrument Measurement accuracy oil pipe of the measurement liquid levels such as ultrasonic liquid leveller, realize accurately measuring oil reservoir, be conducive to improve the production efficiency of oil.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 be multiple zone intelligence of the present invention join production. art tubing string be connected with oil pipe under to the view in wellbore casing, in order comparatively clearly to see structure of the present invention clearly, be divided into five parts along A-A line, B-B line, C-C line and this figure of D-D bundle of lines.
Fig. 2 is the sectional structure schematic diagram that multiple zone intelligence of the present invention is joined the oil pipe buffer in production. art tubing string.
Fig. 3 analyses and observe structure for amplifying schematic diagram along A-A line in Fig. 2
Fig. 4 is the sectional structure schematic diagram that multiple zone intelligence of the present invention is joined the producing fluid level testing valve in production. art tubing string.
Fig. 5 is the sectional structure schematic diagram that multiple zone intelligence of the present invention is joined the multiple zone intelligence production mandrel in production. art tubing string.
Fig. 6 be from be convenient to see clearly multiple zone intelligence production mandrel everywhere the angle of structure be divided into the zoomed-in view after two parts along A-A bundle of lines Fig. 4 Fig. 4.
Fig. 7 is the zoomed-in view at I place in Fig. 6.
Detailed description of the invention
Referring to Fig. 1-Fig. 7, first referring to Fig. 1, multiple zone intelligence of the present invention is joined production. art tubing string, comprise the oil pipe buffer 1, producing fluid level testing valve 2, multiple multiple zone intelligence production mandrel 3 and the sealing plug 4 that are sequentially connected in series from top to bottom, between adjacent multiple zone intelligence production mandrel 3, be connected by oil pipe, sequence number 8 is wellbore casing, referring to Fig. 2, described oil pipe buffer 1 comprises upper and lower flexible coupling 10,11 and buffering overcoat 12, described buffering overcoat 12 is set in outside upper and lower flexible coupling 10,11, its upper end is threaded with upper flexible coupling 10, and upper flexible coupling 10 drives buffering overcoat 12 to slide up and down along described lower flexible coupling 11 outer circle walls, referring to Fig. 4, described producing fluid level testing valve 2 comprises testing valve main body 20 and is located at the test sliding sleeve 22 in testing valve main body 20 by shear pin 21 fixed covers, in the circle wall of described testing valve main body 20, have and radially test through hole 23, described test sliding sleeve 22 with radially test through hole 23 liquid sealings and coordinate, test sliding sleeve 22 matches with described testing valve main body 20 and forms and radially test through hole opener in the outer circumference direction of radially testing through hole 23, and the upper end of described testing valve main body 20 is connected with the lower contact 11 of described oil pipe buffer 1 by screw thread, referring to Fig. 5, Fig. 6, described each multiple zone intelligence production mandrel 3 comprises the packer 5 that is positioned at epimere and the production mandrel 6 that is positioned at hypomere, described packer 5 comprises, lower packing joint 50, 51, on, lower packing joint 50, central tube is housed between 51, described production mandrel 6 comprises the tubular production mandrel main body 60 that has main body radial direction through hole 61 in its circle wall, the production mandrel main body 60 that is positioned at main body radial direction through hole 61 tops is equipped with positioning sleeve 62 by screw thread, the production mandrel main body 60 of its below is equipped with production mandrel lower contact 63 by screw thread, described production mandrel 6 is also provided with the main body radial direction through hole opening device that is used to open or close described main body radial direction through hole 61, described packer 5 is connected by connector 7 with the positioning sleeve 62 of its lower packing joint 51 and production mandrel 6, described multiple zone intelligence production mandrel 3 is connected with testing valve main body 20 lower ends of described producing fluid level testing valve 2 by packing joint 50 on it.
Referring to Fig. 2, Fig. 3, the inwall of described buffering overcoat 12 lower ends is radially equipped with sliding nail 13, and the outer circle wall of described lower flexible coupling 11 is provided with and the described sliding nail 13 flute profile slideways 14 that match. The top of the bottom of described upper flexible coupling 10 and lower flexible coupling 11 be arranged with for and described buffering overcoat 12 between the O shape O-ring seal 15 of liquid sealing; On the buffering overcoat wall of described buffering overcoat 12 and described upper flexible coupling 10 threaded connection places, be also provided with the cone end holding screw 16 for fixed jacket.
Referring to Fig. 4, described radially test through hole opener serve as reasons described test sliding sleeve 22 match with described testing valve main body 20 radially test through hole 23 outer circumference direction form cannelure 24, being positioned at the cannelure bottom land 25 of radially testing through hole 23 tops is testing valve main part, and being positioned at the cannelure bottom land 26 of radially testing through hole 23 bottoms is test sliding sleeve part.
Referring to Fig. 5, Fig. 6 and Fig. 7, main body radial direction through hole opening device in described multiple zone intelligence production mandrel 3 comprises by screw thread and is loaded on the regulating sleeve 64 on production mandrel main body 60 inwalls, the top of regulating sleeve 64 has tool holding hole 65, the top of described positioning sleeve 62 has tool positioned mounting head 66, and described regulating sleeve 64 can open or close described main body radial direction through hole 61 when rotating on production mandrel main body 60 inwalls. In described multiple zone intelligence production mandrel 3, between the upper and lower packing joint 50,51 of packer 5, central tube is sequentially arranged with gradually deblocking mechanism, sealing mechanism, solution sealing mechanism and setting mechanism outward, and described sealing mechanism has cartridge 52. Described cartridge 52 is the elongated packing element of integral type. The architecture advances that experiment showed, cartridge is the elongated packing element of integral type, can effectively prevent " turning over the back of the body " phenomenon of packer cartridge in the time setting, makes cartridge have good anticreep effect. Described gradually deblocking mechanism comprises the lock dog 53 being sequentially set in from inside to outside outside described central tube, lock dog sheath 54 and upper overcoat 55, the upper end of described upper overcoat 55 is threaded with described upper packing joint 50, the middle overcoat 56 that its lower end is threaded connection is fixedly connected with described sealing mechanism, the top of described lock dog 53 is placed in described central tube, and described lock dog sheath 54 has the groove 57 that holds described lock dog (53).
Claims (8)
1. a multiple zone intelligence is joined production. art tubing string, it is characterized in that: comprise from top to bottom sequentially the oil pipe buffer (1) of serial connection, producing fluid level testing valve (2), multiple multiple zone intelligence production mandrel (3) and sealing plug (4), between adjacent multiple zone intelligence production mandrel (3), be connected by oil pipe, described oil pipe buffer (1) comprises upper and lower flexible coupling (10,11) and buffering overcoat (12), described buffering overcoat (12) is set in outside upper and lower flexible coupling (10,11), its upper end is threaded with upper flexible coupling (10), and upper flexible coupling (10) drives buffering overcoat (12) to slide up and down along described lower flexible coupling (11) outer circle wall, described producing fluid level testing valve (2) comprises testing valve main body (20) and is located at the test sliding sleeve (22) in testing valve main body (20) by shear pin (21) fixed cover, in the circle wall of described testing valve main body (20), have and radially test through hole (23), described test sliding sleeve (22) with radially test through hole (23) liquid sealing and coordinate, test sliding sleeve (22) matches with described testing valve main body (20) and forms and radially test through hole opener in the outer circumference direction of radially testing through hole (23), the upper end of described testing valve main body (20) is connected with the lower contact (11) of described oil pipe buffer (1) by screw thread, each described multiple zone intelligence production mandrel (3) comprises the packer (5) that is positioned at epimere and the production mandrel (6) that is positioned at hypomere, described packer (5) comprises, lower packing joint (50, 51), on, lower packing joint (50, 51) central tube is housed between, described production mandrel (6) comprises the tubular production mandrel main body (60) that has main body radial direction through hole (61) in its circle wall, the production mandrel main body (60) that is positioned at main body radial direction through hole (61) top is equipped with positioning sleeve (62) by screw thread, the production mandrel main body (60) that is positioned at main body radial direction through hole (61) below is equipped with production mandrel lower contact (63) by screw thread, described production mandrel (6) is also provided with the main body radial direction through hole opening device that is used to open or close described main body radial direction through hole (61), described packer (5) is connected by connector (7) with the positioning sleeve (62) of its lower packing joint (51) and production mandrel (6), the described multiple zone intelligence production mandrel (3) that is positioned at the top is connected with testing valve main body (20) lower end of described producing fluid level testing valve (2) by packing joint (50) on it.
2. join production. art tubing string according to multiple zone intelligence claimed in claim 1, it is characterized in that: the inwall of described buffering overcoat (12) lower end is radially equipped with sliding nail (13), the outer circle wall of described lower flexible coupling (11) is provided with the flute profile slideway (14) matching with described sliding nail (13).
3. join production. art tubing string according to the multiple zone intelligence described in claim 1 or 2, it is characterized in that: the top of the bottom of described upper flexible coupling (10) and lower flexible coupling (11) be arranged with for and described buffering overcoat (12) between the O shape O-ring seal (15) of liquid sealing; On the buffering overcoat wall of described buffering overcoat (12) and described upper flexible coupling (10) threaded connection place, be also provided with the cone end holding screw (16) for fixed jacket.
4. join production. art tubing string according to multiple zone intelligence claimed in claim 1, it is characterized in that: described radially test through hole opener serve as reasons described test sliding sleeve (22) match with described testing valve main body (20) radially test through hole (23) outer circumference direction form cannelure (24), being positioned at the cannelure bottom land (25) of radially testing through hole (23) top is testing valve main part, and being positioned at the cannelure bottom land (26) of radially testing through hole (23) bottom is test sliding sleeve part.
5. join production. art tubing string according to multiple zone intelligence claimed in claim 1, it is characterized in that: the main body radial direction through hole opening device in described multiple zone intelligence production mandrel (3) comprises by screw thread and is loaded on the regulating sleeve (64) on production mandrel main body (60) inwall, the top of regulating sleeve (64) has tool holding hole (65), the top of described positioning sleeve (62) has tool positioned mounting head (66), and described regulating sleeve (64) can open or close described main body radial direction through hole (61) when rotating on production mandrel main body (60) inwall.
6. join production. art tubing string according to multiple zone intelligence claimed in claim 1, it is characterized in that: in described multiple zone intelligence production mandrel (3), between the upper and lower packing joint (50,51) of packer (5), central tube is sequentially arranged with gradually deblocking mechanism, sealing mechanism and setting mechanism outward, and described sealing mechanism has cartridge (52).
7. join production. art tubing string according to multiple zone intelligence claimed in claim 6, it is characterized in that: described cartridge (52) is the elongated packing element of integral type.
8. join production. art tubing string according to multiple zone intelligence claimed in claim 6, it is characterized in that: described gradually deblocking mechanism comprises the lock dog (53) being sequentially set in from inside to outside outside described central tube, lock dog sheath (54) and upper overcoat (55), the upper end of described upper overcoat (55) is threaded with described upper packing joint (50), the middle overcoat (56) that its lower end is threaded connection is fixedly connected with described sealing mechanism, the top of described lock dog (53) is placed in described central tube, described lock dog sheath (54) has the groove (57) that holds described lock dog (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314491.7A CN104047582B (en) | 2014-07-03 | 2014-07-03 | Multiple zone intelligence is joined production. art tubing string |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410314491.7A CN104047582B (en) | 2014-07-03 | 2014-07-03 | Multiple zone intelligence is joined production. art tubing string |
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| CN104047582A CN104047582A (en) | 2014-09-17 |
| CN104047582B true CN104047582B (en) | 2016-05-11 |
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| CN104989326A (en) * | 2015-06-24 | 2015-10-21 | 北京千永科技有限公司 | Regulating separate layer production string and separate layer oil production method |
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| RU2344274C1 (en) * | 2007-04-16 | 2009-01-20 | ООО НИИ "СибГеоТех" | Method of dual oil production from layers of one well with submersible pump set (versions) |
| CN101324184A (en) * | 2008-07-26 | 2008-12-17 | 大庆油田有限责任公司 | Oil pumping machine well over ring air layered allocation pipe column tools and its allocation method |
| CN101769129B (en) * | 2009-12-31 | 2012-10-10 | 刘玉文 | Integral layering gas recovery technology tubular column and application method thereof |
| CN102418500B (en) * | 2011-12-19 | 2015-01-28 | 中国石油天然气股份有限公司 | Directly controlled continuous quantitative layered production allocation oil pipe column |
| CN103382835B (en) * | 2013-07-25 | 2016-05-04 | 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 | Intelligent switch is looked for, water-plugging technique |
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