CN105464636A - Bridge type concentric profile control water injection allocation apparatus and process thereof - Google Patents
Bridge type concentric profile control water injection allocation apparatus and process thereof Download PDFInfo
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- CN105464636A CN105464636A CN201510950756.7A CN201510950756A CN105464636A CN 105464636 A CN105464636 A CN 105464636A CN 201510950756 A CN201510950756 A CN 201510950756A CN 105464636 A CN105464636 A CN 105464636A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 238000002347 injection Methods 0.000 title claims abstract description 43
- 239000007924 injection Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000010985 leather Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002583 cell-derived microparticle Anatomy 0.000 description 1
- 239000009096 changqing Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides a bridge type concentric profile control water injection allocation apparatus. The bridge type concentric profile control water injection allocation apparatus is composed of a bridge type concentric profile control water injection allocation unit and a profile control stopper. The bridge type concentric profile control water injection allocation unit is composed of an upper joint, a positioning and anti-reverse cylinder, a connecting cylinder, a concentric adjusting cylinder, a main body, a fixed pedestal and a lower joint. The invention also provides a bridge type concentric profile control water injection allocation process, and belongs to the technical field of oil field separated layer water injection. According to the invention, bridge type concentric water injection well profile control operation can be carried out without pulling strings, a profile control agent injection process meets low-shear requirements, problems in the prior that a profile control operation process is complex, a profile control agent is subjected to high shear effects, and the operation has large risks are solved, the water injection well separated layer profile control efficiency and success rate are greatly improved, and the operation cost is reduced.
Description
Technical field
The present invention relates to a kind of bridge-type concentric profile control water distribution injection allocation apparatus and process thereof, belong to oil-field flooding field.
Background technology
Along with the oil reservoir Exploitation degree that becomes more meticulous constantly promotes, requirements at the higher level are proposed to zonal injection technology level, Changqing oilfields have developed zonal injection technology technology of new generation, i.e. bridge-type concentric separated-injection technology, this technology is made up of bridge-type concentric roater regulator, concentric electronic downhole measurement adjusting instrument, electronic seal-checking instrument, ground controller.Current dispensing well profile control technology still needs to trip out former well casing post, under enter special profile control tubing string, carry out layered profile control operation, whole activities is more complicated, needs to remove at least 3 tubing strings continuously, and work operations amount is large, and operating efficiency is low.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem: layered profile control mode at present, enters special profile control tubing string under needing, and carry out a lower tubular column operation of more than at least 3 times, work operations amount is large, and operating efficiency is low.Meanwhile, profile control injection process, injection allocation instrument has larger shear action to profile control agent, slackens Profile Control in Injection Well effect.Therefore, in the urgent need to researching and developing a kind of bridge-type concentric profile control water distribution injection allocation apparatus.
Summary of the invention
Large in order to overcome existing apparatus work operations amount, the problem that operating efficiency is low, the invention provides a kind of bridge-type concentric profile control water distribution injection allocation apparatus and process, profile control agent injection process meets low sheraing effect, solve the difficult problems such as layered profile control flow chart is complicated, profile control agent is sheared greatly, operating risk is large, significantly promote dispensing well layered profile control efficiency and success rate, reduce operating cost.
The technical solution used in the present invention:
A kind of bridge-type concentric profile control water distribution injection allocation apparatus, comprise bridge-type concentric profile control water distribution distributor and profile control blanking plug, it is inner that profile control blanking plug is positioned at bridge-type concentric profile control water distribution distributor, bridge-type concentric profile control water distribution distributor is made up of top connection, connecting cylinder, with one heart adjustment barrel, main body, firm banking, lower contact, and top connection is connected with connecting cylinder, connecting cylinder is connected with main body, main body is connected with lower contact; Concentric adjustment barrel is set in connecting cylinder, concentric adjustment barrel screwed connection is in main body upper end, concentric adjustment barrel lower end installation activity water nozzle simultaneously, described main body is provided with water injection hole, inner installation fixes water nozzle simultaneously, firm banking is installed in fixing water nozzle lower end, described lower contact end inside is provided with set platform lower contact and set platform and form seal section, and seal section coordinates with profile control blanking plug and sets.
Described concentric adjustment barrel upper end is also connected with location counnter attack rotating cylinder, and counnter attack rotating cylinder in location is positioned at connecting cylinder.
Described profile control blanking plug is made up of fishing head, cam machine, locating detent, cartridge, annular leather cup and guide head, described fishing head is connected successively with cam machine, locating detent, cartridge, annular leather cup and guide head, described cam machine is connected with locating detent, controls contraction and the release of locating detent.
Described fixing water nozzle is provided with drops hole.
The multi-functional injection allocation process of a kind of bridge-type concentric profile control water distribution, concrete steps are:
S1, under ground installation steel wire connects profile control blanking plug lower going-into-well, and by the multi-functional distributor of bridge-type concentric profile control water distribution, blanking plug is cutd open in upper promoting or transferring, and locating detent, under seal section effect, is opened by profile control blanking plug cam machine;
S2, transfers profile control blanking plug, locating detent with set platform and dock, annular leather cup controls cartridge and sets in seal section, and sealing distributor is with lower tubular column;
S3, under enter fishing tool and dock with fishing head, upwards pull profile control blanking plug, annular leather cup controls cartridge deblocking, above extracts pit shaft, then carries out normal water filling.
Beneficial effect of the present invention is:
Profile control blanking plug is made up of fishing head, cam machine, locating detent, cartridge, annular leather cup and guide head, and each assembly connects from top to bottom successively.Provide the multi-functional injection allocation process of a kind of bridge-type concentric profile control water distribution simultaneously, belong to separated-zone water infection oil field technical field.Present invention achieves the operation of bridge-type concentric separated-injection well fixed tubular column profile control, profile control agent injection process meets low sheraing effect, solve the difficult problems such as layered profile control flow chart is complicated, profile control agent is sheared greatly, operating risk is large, significantly promote dispensing well layered profile control efficiency and success rate, reduce operating cost.
Below in conjunction with accompanying drawing and example, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is bridge-type of the present invention concentric profile control water distribution distributor structure chart.
Fig. 2 is profile control plug structure figure of the present invention.
Fig. 3 is that the present invention fixes water faucet structure figure.
Fig. 4 is bridge-type of the present invention concentric profile control water distribution multi-functional injection allocation process schematic diagram.
In figure, Reference numeral is: 1, top connection; 2, counnter attack rotating cylinder is located; 3, connecting cylinder; 4, concentric adjustment barrel; 5, fixing water nozzle; 6, main body; 7, water injection hole; 8, fixing water nozzle; 9, firm banking; , 10, set platform; 11, lower contact; 12, seal section; 13, fishing head; 14, cam machine; 15, locating detent; 16, cartridge; 17, annular leather cup; 18, guide head; 19, drops hole; 20, steel wire; 21, bridge-type concentric profile control water distribution distributor; 22, profile control blanking plug.
Detailed description of the invention
Embodiment 1:
Large in order to overcome existing apparatus work operations amount, the problem that operating efficiency is low, the invention provides a kind of bridge-type concentric profile control water distribution injection allocation apparatus as shown in Figure 1, Figure 2, Figure 3, Figure 4 and process, profile control agent injection process meets low sheraing effect, solve the difficult problems such as layered profile control flow chart is complicated, profile control agent is sheared greatly, operating risk is large, significantly promote dispensing well layered profile control efficiency and success rate, reduce operating cost.
A kind of bridge-type concentric profile control water distribution injection allocation apparatus, comprise bridge-type concentric profile control water distribution distributor 21 and profile control blanking plug 22, it is inner that profile control blanking plug 22 is positioned at bridge-type concentric profile control water distribution distributor 21, bridge-type concentric profile control water distribution distributor 21 is made up of top connection 1, connecting cylinder 3, with one heart adjustment barrel 4, main body 6, firm banking 9, lower contact 11, and top connection 1 is connected with connecting cylinder 3, connecting cylinder 3 is connected with main body 6, main body 6 is connected with lower contact 11; Concentric adjustment barrel 4 is set in connecting cylinder 3, the screwed connection of concentric adjustment barrel 4 is in main body 6 upper end, concentric adjustment barrel 4 lower end installation activity water nozzle 5 simultaneously, described main body 6 is provided with water injection hole 7, inner installation fixes water nozzle 8 simultaneously, firm banking 9 is installed in fixing water nozzle 8 lower end, described lower contact 11 end inside is provided with set platform 10 lower contact 11 and set platform 10 and form seal section 12, and seal section 12 coordinates with profile control blanking plug 22 and sets.
On the one hand, the invention provides a kind of bridge-type concentric profile control water distribution injection allocation apparatus, it is characterized in that: be made up of a kind of bridge-type concentric profile control water distribution distributor 21 and profile control blanking plug 22.
Further, described bridge-type concentric profile control water distribution distributor 21 is made up of top connection 1, location counnter attack rotating cylinder 2, connecting cylinder 3, with one heart adjustment barrel 4, main body 6, firm banking 9, lower contact 11.
Described top connection 1 is connected with connecting cylinder 3, connecting cylinder 3 is connected with main body 6, main body 6 is connected to form ectosome part with lower contact 11;
In described connecting cylinder 3, concentric adjustment barrel 4 is set, the screwed connection of concentric adjustment barrel 4 in main body 6 upper end, simultaneously with one heart adjustment barrel 4 lower end installation activity water nozzle 5.
Described main body 6 is provided with water injection hole 7, and inner installation fixes water nozzle 8 simultaneously, and firm banking 9 is installed in its lower end.
Described lower contact 11 is provided with and sets platform 10 and seal section 12, coordinate with profile control blanking plug 22 and set, packing distributor is with lower tubular column.
By design water-drop-shaped delivery port, water nozzle is adjusted to the narrow place of water droplet, meets the normal water filling of dispensing well and Flow-rate adjustment, injection well downhole flow regulator lower contact 11 position is increased seal section 12 simultaneously, meet profile control blanking plug 22 to set, when carrying out dispensing well layered profile control, set by profile control blanking plug 22 at seal section 12, packing distributor is with lower tubular column, avoid the deposition of profile control agent, open large water nozzle simultaneously, profile control agent is passed through from water droplet is wide, reduce profile control agent shear action.
Under ground installation steel wire 20 connects profile control blanking plug 22 lower going-into-well, and by bridge-type concentric profile control water distribution distributor 21, blanking plug 22 is cutd open in upper promoting or transferring, and locating detent 15, under seal section 12 acts on, is opened by profile control blanking plug cam machine 14.
Transfer profile control blanking plug 22, locating detent 15 with set platform 10 and dock, annular leather cup 17 controls cartridge 16 and sets in seal section 12, and sealing distributor is with lower tubular column.
Under enter fishing tool and dock with fishing head 13, upwards pull profile control blanking plug 22, annular leather cup 17 controls cartridge 16 deblocking, above extracts pit shaft, then carries out normal water filling.
Embodiment 2:
On basis based on embodiment 1, in the present embodiment, described profile control blanking plug 22 is made up of fishing head 13, cam machine 14, locating detent 15, cartridge 16, annular leather cup 17 and guide head 18, described fishing head 13 is connected successively with cam machine 14, locating detent 15, cartridge 16, annular leather cup 17 and guide head 18, described cam machine 14 is connected with locating detent 15, controls contraction and the release of locating detent 15.
Described concentric adjustment barrel 4 upper end is also connected with location counnter attack rotating cylinder 2, and location counnter attack rotating cylinder 2 is positioned at connecting cylinder 3.The anti-locking apparatus upset of location counnter attack rotating cylinder 2.
Described fixing water nozzle 5 is provided with drops hole 19.By design water-drop-shaped delivery port, water nozzle is adjusted to the narrow place of water droplet, meets the normal water filling of dispensing well and Flow-rate adjustment.
Embodiment 3:
On basis based on embodiment 1, in the present embodiment, the multi-functional injection allocation process of a kind of bridge-type concentric profile control water distribution, concrete steps are:
S1, under ground installation steel wire 20 connects profile control blanking plug 22 lower going-into-well, and by bridge-type concentric profile control water distribution distributor 21, blanking plug 22 is cutd open in upper promoting or transferring, and locating detent 15, under seal section 12 acts on, is opened by profile control blanking plug cam machine 14;
S2, transfers profile control blanking plug 22, locating detent 15 with set platform 10 and dock, annular leather cup 17 controls cartridge 16 and sets in seal section 12, and sealing distributor is with lower tubular column;
S3, under enter fishing tool and dock with fishing head 13, upwards pull profile control blanking plug 22, annular leather cup 17 controls cartridge 16 deblocking, above extracts pit shaft, then carries out normal water filling.
Claims (5)
1. a bridge-type concentric profile control water distribution injection allocation apparatus, it is characterized in that: comprise bridge-type concentric profile control water distribution distributor (21) and profile control blanking plug (22), it is inner that profile control blanking plug (22) is positioned at bridge-type concentric profile control water distribution distributor (21), bridge-type concentric profile control water distribution distributor (21) is by top connection (1), connecting cylinder (3), concentric adjustment barrel (4), main body (6), firm banking (9), lower contact (11) forms, top connection (1) is connected with connecting cylinder (3), connecting cylinder (3) is connected with main body (6), main body (6) is connected with lower contact (11), concentric adjustment barrel (4) is set in connecting cylinder (3), concentric adjustment barrel (4) screwed connection is in main body (6) upper end, adjustment barrel (4) lower end installation activity water nozzle (5) with one heart simultaneously, described main body (6) is provided with water injection hole (7), inner installation fixes water nozzle (8) simultaneously, firm banking (9) is installed in fixing water nozzle (8) lower end, described lower contact (11) end inside is provided with and sets platform (10) lower contact (11) and set platform (10) and form seal section (12), seal section (12) coordinates with profile control blanking plug (22) and sets.
2. a kind of bridge-type according to claim 1 concentric profile control water distribution injection allocation apparatus, is characterized in that: described concentric adjustment barrel (4) upper end is also connected with location counnter attack rotating cylinder (2), and location counnter attack rotating cylinder (2) is positioned at connecting cylinder (3).
3. a kind of bridge-type according to claim 1 concentric profile control water distribution injection allocation apparatus, it is characterized in that: described profile control blanking plug (22) is made up of fishing head (13), cam machine (14), locating detent (15), cartridge (16), annular leather cup (17) and guide head (18), described fishing head (13) is connected successively with cam machine (14), locating detent (15), cartridge (16), annular leather cup (17) and guide head (18), described cam machine (14) is connected with locating detent (15), controls contraction and the release of locating detent (15).
4. a kind of bridge-type according to claim 3 concentric profile control water distribution injection allocation apparatus, is characterized in that: described fixing water nozzle (5) is provided with drops hole (19).
5. provide a kind of bridge-type concentric profile control water distribution allocation process method according to any one bridge-type concentric profile control water distribution injection allocation apparatus described in claim 1-4, it is characterized in that: concrete steps are:
S1, under ground installation steel wire (20) connects profile control blanking plug (22) lower going-into-well, and by bridge-type concentric profile control water distribution distributor (21), blanking plug (22) is cutd open in upper promoting or transferring, locating detent (15), under seal section (12) effect, is opened by profile control blanking plug cam machine (14);
S2, transfers profile control blanking plug (22), locating detent (15) with set platform (10) and dock, annular leather cup (17) controls cartridge (16) and sets in seal section (12), and sealing distributor is with lower tubular column;
S3, under enter fishing tool and dock with fishing head (13), upwards pull profile control blanking plug (22), annular leather cup (17) controls cartridge (16) deblocking, above extracts pit shaft, then carries out normal water filling.
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CN201510950756.7A CN105464636B (en) | 2015-12-19 | 2015-12-19 | A kind of concentric profile control water distribution injection allocation apparatus of bridge-type and its process |
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CN201510950756.7A CN105464636B (en) | 2015-12-19 | 2015-12-19 | A kind of concentric profile control water distribution injection allocation apparatus of bridge-type and its process |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108999590A (en) * | 2017-06-06 | 2018-12-14 | 中国石油天然气股份有限公司 | Profile control tool, dispensing profile control integrated pipe column and technique |
CN109915091A (en) * | 2017-12-13 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of layered profile control, water filling integrated tool |
US11008830B2 (en) | 2018-10-15 | 2021-05-18 | Petrochina Company Limited | Stratified waterflooding apparatus |
CN114352246A (en) * | 2022-01-12 | 2022-04-15 | 靖江市强林石油钻采设备制造有限公司 | Multi-structure adjustable bridge type concentric water distributor |
CN114458260A (en) * | 2021-02-20 | 2022-05-10 | 中海油能源发展股份有限公司 | Underground in-situ retrievable online layered oil displacement and oil displacement adjusting device, oil displacement adjusting pipe column and oil displacement adjusting method |
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CN103628847A (en) * | 2012-08-28 | 2014-03-12 | 中国石油天然气股份有限公司 | Bridge type integrated concentric water distributor |
CN103670349A (en) * | 2012-09-07 | 2014-03-26 | 中国石油天然气股份有限公司 | Bridge type concentric intelligent testing and distributing layered injection device and technology |
CN104975832A (en) * | 2015-06-26 | 2015-10-14 | 中国石油天然气股份有限公司 | Bridge type concentric water distributor |
CN205297505U (en) * | 2015-12-19 | 2016-06-08 | 中国石油天然气股份有限公司 | Concentric profile control water distribution injection allocation device of bridge type |
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CN101126313A (en) * | 2007-09-21 | 2008-02-20 | 大庆油田有限责任公司 | Double-allocation mode eccentric center water-distributing device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108999590A (en) * | 2017-06-06 | 2018-12-14 | 中国石油天然气股份有限公司 | Profile control tool, dispensing profile control integrated pipe column and technique |
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CN109915091A (en) * | 2017-12-13 | 2019-06-21 | 中国石油化工股份有限公司 | A kind of layered profile control, water filling integrated tool |
US11008830B2 (en) | 2018-10-15 | 2021-05-18 | Petrochina Company Limited | Stratified waterflooding apparatus |
CN114458260A (en) * | 2021-02-20 | 2022-05-10 | 中海油能源发展股份有限公司 | Underground in-situ retrievable online layered oil displacement and oil displacement adjusting device, oil displacement adjusting pipe column and oil displacement adjusting method |
CN114352246A (en) * | 2022-01-12 | 2022-04-15 | 靖江市强林石油钻采设备制造有限公司 | Multi-structure adjustable bridge type concentric water distributor |
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