CN112814634B - Injection allocation device - Google Patents
Injection allocation device Download PDFInfo
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- CN112814634B CN112814634B CN202110283270.8A CN202110283270A CN112814634B CN 112814634 B CN112814634 B CN 112814634B CN 202110283270 A CN202110283270 A CN 202110283270A CN 112814634 B CN112814634 B CN 112814634B
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- water nozzle
- water
- ceramic plate
- movable
- nozzle
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- 238000002347 injection Methods 0.000 title claims abstract description 37
- 239000007924 injection Substances 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 239000000919 ceramic Substances 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002332 oil field water Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E21B43/14—Obtaining from a multiple-zone well
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a dispenser. Relates to the technical field of oil field downhole tools. On the plane opposite to the liquid passing hole and the water outlet, a ceramic plate II is arranged on the movable water nozzle, a ceramic plate I is arranged on the fixed water nozzle, rectangular metering holes are transversely formed in the ceramic plate I and the ceramic plate II, and a spring I is arranged between the ceramic plate I and the movable water nozzle. The invention has the following beneficial effects: by arranging the lifting pipe and the movable water nozzle, the positioning and butt joint of the injection allocation device and the bridge type concentric seal testing and adjusting integrated tester under the well and the adjustment of the water quantity are realized, and the requirements of the high-inclination well and the deep well for layered water distribution are met; the unique structural design of rectangle metering hole, the measurement flow can accurately be calculated, with the concentric survey of bridge type, transfer and test the integration test instrument cooperation of sealing, the water injection volume is adjusted and the packer is tested and is sealed the synchronous operation in next time instrument realization, only need drive movable water injection well choke go up and down can realize the regulation of water injection volume, adjust the precision height, and do not have the water injection well choke and throw and drag for the problem, reduced work load, raise the efficiency.
Description
The technical field is as follows:
the invention relates to the technical field of oil field downhole tools, in particular to an injection allocation device.
Background art:
in recent years, with the development and the perfection of bridge type eccentric and conventional eccentric separate injection process technologies, the process is more and more popularized and applied in a large range in each large oil field, when test and allocation are carried out, a water nozzle with a fixed size is roughly selected according to the water distribution amount of each oil layer and the loss curve of the water nozzle, the water nozzle is placed into a blanking plug, the blanking plug is placed into a water allocation device by a throwing and fishing device, then the actual water injection amount of each layer is tested by a flowmeter, if the actual water injection amount does not meet the requirements, the blanking plug and the water nozzle need to be fished out, the water nozzle needs to be replaced again and then is placed into the water allocation device, and the operation is repeated until the water injection amount of the layer meets the requirements, so that the water nozzle is repeatedly thrown and replaced, the workload is large, the success rate of instrument butt joint is low, and meanwhile, the size of the water nozzle has discontinuity and the allocation accuracy is poor;
although the common bridge type concentric injection allocation device overcomes the defects, the test allocation operation and the packer seal checking operation need to be performed by a test instrument respectively, and cannot be performed simultaneously, so that the workload is increased, and the working efficiency is influenced.
The invention content is as follows:
to solve the above problems, the present invention provides a dispenser.
The technical scheme of the invention is as follows: the injection allocation device comprises an upper joint, wherein the outer side of the lower end of the upper joint is connected with a protective cylinder, the inner side of the lower end of the protective cylinder is connected with a fixed water nozzle, the outer side of the lower end of the fixed water nozzle is connected with a lower joint, the fixed water nozzle is a sleeve pipe with a radial water outlet on the middle pipe wall, the inner side of the upper end of the fixed water nozzle is rotatably connected with the outer side of the lower end of an anti-rotation positioning cylinder, the lower end of the fixed water nozzle is movably and rotatably connected with a lifting pipe through threads, the upper side of the lifting pipe is connected with a movable water nozzle through a plane bearing, and the lower part of the lifting pipe is provided with an adjusting notch;
the movable water nozzle is in a hexagonal column shape, the movable water nozzle is in clearance fit connection with a hexagonal slotted hole of the fixed water nozzle, a spring II is arranged between the movable water nozzle and the anti-rotation positioning barrel, and a radial liquid passing hole is formed in the position, corresponding to the water outlet of the fixed water nozzle, of the movable water nozzle;
the fixed water nozzle is provided with a bridge channel along the axial direction, the top end of the anti-rotation positioning barrel is provided with a positioning groove, the middle barrel wall of the anti-rotation positioning barrel is provided with a plurality of water passing notches, and the water passing notches are communicated with the bridge channel of the fixed water nozzle.
On the plane opposite to the liquid passing hole and the water outlet, a ceramic plate II is arranged on the movable water nozzle, a ceramic plate I is arranged on the fixed water nozzle, rectangular metering holes are transversely formed in the ceramic plate I and the ceramic plate II, a spring I is arranged between the ceramic plate I and the movable water nozzle, and sealing rings are arranged on the periphery of the ceramic plate I and the ceramic plate II in the vertical direction.
The movable water nozzle and the lifting pipe have the same axis.
The invention has the following beneficial effects: by arranging the lifting pipe and the movable water nozzle, the injection allocation device and the bridge type concentric seal testing and adjusting integrated tester are concentrically butted when in underground positioning butt joint and water quantity adjusting butt joint, the success rate of butt joint is high, and the requirement of layered water distribution of highly-deviated wells and deep wells is met; the unique structural design of rectangle metering hole, the measurement flow can accurately be calculated, with the concentric survey of bridge type, transfer and test the integration test instrument cooperation of sealing, the water injection volume is adjusted and the packer is tested and is sealed the synchronous operation in next time instrument realization, only need drive movable water injection well choke go up and down can realize the regulation of water injection volume, adjust the precision height, and do not have the water injection well choke and throw and drag for the problem, reduced work load, raise the efficiency.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of the ceramic sheet I, II according to the present invention.
In the figure, 1-an upper joint, 2-a protective cylinder, 3-an anti-rotation positioning cylinder, 4-a fixed water nozzle, 5-an ascending and descending pipe, 6-a movable water nozzle, 7-a lower joint, 8-a water outlet, 9-a ceramic plate I, 10-a liquid passing hole, 11-a water passing notch, 12-an adjusting notch, 13-a ceramic plate II, 14-a plane bearing, 15-a bridge channel, 16-a positioning groove, 17-a spring I, 18-a spring II and 19-a metering hole.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings in which:
as shown in a combined drawing of fig. 1 and fig. 2-3, the injection allocation device comprises an upper joint 1, wherein the outer side of the lower end of the upper joint 1 is connected with a protective cylinder 2, the inner side of the lower end of the protective cylinder 2 is connected with a fixed water nozzle 4, the outer side of the lower end of the fixed water nozzle 4 is connected with a lower joint 7, the fixed water nozzle 4 is a sleeve pipe with a radial water outlet 8 formed in the middle pipe wall, the inner side of the upper end of the fixed water nozzle 4 is rotatably connected with the outer side of the lower end of an anti-rotation positioning cylinder 3, the lower end of the fixed water nozzle 4 is movably and rotatably connected with a lifting pipe 5 through threads, the upper side of the lifting pipe 5 is connected with a movable water nozzle 6 through a plane bearing 14, and the lower part of the lifting pipe 5 is provided with an adjusting notch 12;
the movable water nozzle 6 is in a hexagonal column shape, the movable water nozzle 6 is in clearance fit connection with a hexagonal slotted hole of the fixed water nozzle 4, a spring II18 is arranged between the movable water nozzle 6 and the anti-rotation positioning barrel 3, and a radial liquid passing hole 10 is formed in the position, corresponding to the water outlet 8 of the fixed water nozzle 4, of the movable water nozzle 6;
the fixed water nozzle 4 is provided with a bridge channel 15 along the axial direction, the top end of the anti-rotation positioning barrel 3 is provided with a positioning groove 16, the middle barrel wall of the anti-rotation positioning barrel 3 is provided with a plurality of water passing notches 11, and the water passing notches 11 are communicated with the bridge channel 15 of the fixed water nozzle 4.
On the plane opposite to the liquid passing hole 10 and the water outlet 8, the movable water nozzle 6 is provided with a ceramic plate II13, the fixed water nozzle 4 is provided with a ceramic plate I9, rectangular metering holes 19 are transversely formed in the ceramic plate I9 and the ceramic plate II13, a spring I17 is arranged between the ceramic plate I9 and the movable water nozzle 6, and sealing rings are arranged on the peripheries of the ceramic plate I9 and the ceramic plate II13 in the vertical direction.
The movable water nozzle 6 and the lifting pipe 5 have the same axis.
The injection allocation device of the invention performs injection water injection for the oil field together with a bridge type concentric seal checking, measuring and adjusting integrated tester in the testing and allocating process before performing the oil field water injection technology or the oil field water injection technology.
Firstly, the injection allocation device and a bridge type concentric seal checking, measuring and adjusting integrated tester are butted under the well, a movable water nozzle 6 is provided with a liquid passing hole 10 opposite to a water outlet 8 of a fixed water nozzle 4, when measuring and adjusting the water quantity, an adjusting cam of the measuring and adjusting device is matched with an adjusting notch 12 of an elevating pipe 5, so that the elevating pipe 5 rotates along the inner side thread of the fixed water nozzle 4 to move up and down, the thrust is transmitted without transmitting the torque under the action of a plane bearing 14, the elevating pipe 5 pushes the movable water nozzle 6 to move up and down in the fixed water nozzle 4, so that the coincidence degree of the liquid passing hole 10 on the water outlet 8 is changed, namely the coincidence degree of a ceramic wafer I9 and a metering hole 19 of a ceramic wafer II13 is changed, the purpose of adjusting the water quantity is achieved, two rectangular metering holes 19 are arranged, the coincidence degree of the two metering holes 19 is changed to change the flow of the water outlet 8, and the coincidence parts of the two metering holes 19 are rectangular along with the rising or falling of the movable water nozzle 6, the up-down moving stroke of the movable water nozzle 6 and the overlapping area of the two metering holes 19 are changed in a square level, the metering is accurate, and the problem that the adjusting stroke and the water outlet sectional area cannot be calculated when the overlapping degree adjusting flow of the two round holes is changed in the prior art is solved.
The top end of the anti-rotation positioning cylinder 3 is provided with a positioning groove 16 which is matched with a positioning claw of the measuring and adjusting instrument to realize accurate positioning, the upper part of the anti-rotation positioning cylinder 3 is provided with a plurality of water passing notches 11, the water passing notches 11 are matched with an anti-rotation cam of the measuring and adjusting instrument to prevent the measuring and adjusting instrument from rotating during adjustment, the water passing notches 11 are communicated with a bridge type channel 15 on the fixed water nozzle 4, thus, part of the injected water flows to the lower-level bridge concentric water distributor connected with the lower joint 7 through the water passing notch 11 of the anti-rotation positioning cylinder 3, the bridge channel 15 of the fixed water nozzle 4 and the adjusting notch 12 of the movable water nozzle 6 in sequence to realize the matching use of the multi-level water distributor, or flows to the next level bridge type concentric water distributor connected with the lower joint 7 through the central channels of the anti-rotation positioning cylinder 3, the movable water nozzle 6 and the lifting pipe 5, the normal water injection of other water injection layers is not influenced when testing, allocating and sealing checking are carried out, and the requirement of deep well layered water distribution is met.
In conclusion, the injection allocation device provided by the invention is provided with the lifting pipe 5 and the movable water nozzle 6, so that the injection allocation device and the bridge type concentric seal checking, measuring and adjusting integrated tester are concentrically butted when in underground positioning butt joint and water quantity size adjusting butt joint, the butt joint success rate is high, and the requirements of layered water distribution of a highly-deviated well and a deep well are met; the unique structural design of rectangle metering hole 19, the measurement flow can accurately be calculated, with the concentric survey of bridge type, adjust and test the integration test instrument cooperation of sealing, the water injection volume is adjusted and the packer is tested and is sealed the synchronous operation in next round of instrument realization, only need drive movable water injection well choke 6 to go up and down can realize the regulation of water injection volume, adjust the precision height, and do not have the water injection well choke and throw and drag for the problem, reduced work load, raise the efficiency.
Claims (1)
1. An injection allocator, comprising an upper connector (1), characterized in that: the outer side of the lower end of an upper joint (1) is connected with a protective cylinder (2), the inner side of the lower end of the protective cylinder (2) is connected with a fixed water nozzle (4), the outer side of the lower end of the fixed water nozzle (4) is connected with a lower joint (7), the fixed water nozzle (4) is a sleeve pipe with a radial water outlet (8) formed in the middle pipe wall, the inner side of the upper end of the fixed water nozzle (4) is rotatably connected with the outer side of the lower end of an anti-rotation positioning cylinder (3), the lower end of the fixed water nozzle (4) is movably and rotatably connected with a lifting pipe (5) through threads, the upper side of the lifting pipe (5) is connected with a movable water nozzle (6) through a plane bearing (14), and the lower part of the lifting pipe (5) is provided with an adjusting notch (12);
the movable water nozzle (6) is a hexagonal column in appearance, the movable water nozzle (6) is in clearance fit connection with a hexagonal slotted hole of the fixed water nozzle (4), a spring II (18) is arranged between the movable water nozzle (6) and the anti-rotation positioning barrel (3), and the movable water nozzle (6) is provided with a radial liquid passing hole (10) at a position corresponding to a water outlet (8) of the fixed water nozzle (4);
the fixed water nozzle (4) is provided with a bridge-type channel (15) along the axial direction, the top end of the anti-rotation positioning cylinder (3) is provided with a positioning groove (16), the middle cylinder wall of the anti-rotation positioning cylinder (3) is provided with a plurality of water passing notches (11), and the water passing notches (11) are communicated with the bridge-type channel (15) of the fixed water nozzle (4); a positioning groove (16) at the top end of an anti-rotation positioning cylinder (3) is matched with a positioning claw of a measuring and adjusting instrument to realize accurate positioning, a water passing notch (11) is matched with an anti-rotation cam of the measuring and adjusting instrument to prevent the measuring and adjusting instrument from rotating during adjustment, the water passing notch (11) is communicated with a bridge channel (15) on a fixed water nozzle (4), and part of injected water sequentially passes through the water passing notch (11) of the anti-rotation positioning cylinder (3), the bridge channel (15) of the fixed water nozzle (4) and an adjusting notch (12) of a movable water nozzle (6) to flow to a lower-level bridge concentric water distributor connected with a lower connector (7), so that the multi-level water distributor is matched for use to ensure that normal water injection of other water injection layers is not influenced during testing, allocation and sealing test, and the requirement of deep well layered water distribution is met;
on the plane opposite to the liquid passing hole (10) and the water outlet (8), a ceramic plate II (13) is arranged on the movable water nozzle (6), a ceramic plate I (9) is arranged on the fixed water nozzle (4), rectangular metering holes (19) are transversely formed in the ceramic plate I (9) and the ceramic plate II (13), a spring I (17) is arranged between the ceramic plate I (9) and the movable water nozzle (6), and sealing rings are arranged on the peripheries of the ceramic plate I (9) and the ceramic plate II (13) in the vertical direction; when measuring and adjusting the water quantity, an adjusting cam of the measuring and adjusting instrument is matched with an adjusting notch (12) of an elevating pipe (5), so that the elevating pipe (5) rotates along the inner side thread of a fixed water nozzle (4) to move up and down, the thrust is transmitted without transmitting the torque under the action of a plane bearing (14), the elevating pipe (5) pushes a movable water nozzle (6) to move up and down in the fixed water nozzle (4), thereby changing the contact degree between the upper part of a water outlet (8) and a liquid passing hole (10), namely changing the contact degree between metering holes (19) of a ceramic wafer I (9) and a ceramic wafer II (13), achieving the purpose of adjusting the water quantity, two rectangular metering holes (19) are arranged, the contact degree between the two metering holes (19) is changed to change the flow of the water outlet (8), the contact parts between the two metering holes (19) are both along with the rising or falling of the movable water nozzle (6), the contact parts between the two rectangular metering holes (19) are both, the up and down movement stroke of the rectangular movable water nozzle (6) and the area of the two metering holes (19) are changed in square level, the measurement is accurate;
the movable water nozzle (6) and the lifting pipe (5) have the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283270.8A CN112814634B (en) | 2021-03-17 | 2021-03-17 | Injection allocation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110283270.8A CN112814634B (en) | 2021-03-17 | 2021-03-17 | Injection allocation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112814634A CN112814634A (en) | 2021-05-18 |
| CN112814634B true CN112814634B (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110283270.8A Active CN112814634B (en) | 2021-03-17 | 2021-03-17 | Injection allocation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112814634B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279736A (en) * | 2021-06-09 | 2021-08-20 | 门万龙 | Bridge type concentric water distributor |
| CN113216914A (en) * | 2021-06-09 | 2021-08-06 | 门万龙 | Layered injection allocation device |
| CN115680583B (en) * | 2022-11-11 | 2023-05-12 | 东营市垦利新艺科技有限责任公司 | Integrated concentric water distributor for multi-layer water injection of oil field |
| CN117248872B (en) * | 2023-11-17 | 2024-02-06 | 贵州航天凯山石油仪器有限公司 | Underground integrated intelligent injection allocation device for realizing one allocation and two allocation and measuring and adjusting method |
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| CN203257400U (en) * | 2013-05-30 | 2013-10-30 | 武尚帅 | Bridge concentric water distributor |
| 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 |
| 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 |
| CN106704617A (en) * | 2015-11-18 | 2017-05-24 | 上海东涞五金有限公司 | Ceramic valve element water nozzle |
| CN208519205U (en) * | 2018-07-09 | 2019-02-19 | 烟台金泰美林科技股份有限公司 | Ceramic slide valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103104231B (en) * | 2013-01-31 | 2015-05-06 | 中国石油天然气股份有限公司 | Bridge type concentric continuous adjustable water distributor |
| CN109594957A (en) * | 2018-10-15 | 2019-04-09 | 中国石油天然气股份有限公司 | Separate-layer water injection device |
| CN110029974B (en) * | 2019-05-28 | 2021-09-07 | 东北石油大学 | Pre-tightening adjustable constant-current blanking plug |
| CN112228021A (en) * | 2020-10-23 | 2021-01-15 | 中国石油天然气股份有限公司 | Bridge type concentric constant-current water injection system and control method |
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2021
- 2021-03-17 CN CN202110283270.8A patent/CN112814634B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN203257400U (en) * | 2013-05-30 | 2013-10-30 | 武尚帅 | Bridge concentric water distributor |
| 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 |
| CN106704617A (en) * | 2015-11-18 | 2017-05-24 | 上海东涞五金有限公司 | Ceramic valve element water nozzle |
| CN208519205U (en) * | 2018-07-09 | 2019-02-19 | 烟台金泰美林科技股份有限公司 | Ceramic slide valve |
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| CN112814634A (en) | 2021-05-18 |
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