CN209228347U - Downhole measurement adjusting integration water injection string - Google Patents
Downhole measurement adjusting integration water injection string Download PDFInfo
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- CN209228347U CN209228347U CN201821968539.6U CN201821968539U CN209228347U CN 209228347 U CN209228347 U CN 209228347U CN 201821968539 U CN201821968539 U CN 201821968539U CN 209228347 U CN209228347 U CN 209228347U
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- rotation
- water injection
- fuse
- measurement adjusting
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Abstract
The utility model discloses downhole measurement adjusting integration water injection strings, including oil pipe and casing, it is successively made of from lower to upper silk plug, screen casing, check valve, tubing nipple, downhole measurement adjusting integration water injection tool, layer separating packer, corrosion-preventing device, oil pipe in casing, by screwed connection；For multiple zone, one layer of corrosion-preventing device of every increase, layer separating packer, tubing nipple, downhole measurement adjusting integration water injection tool are increased by one layer of tubing string, and guaranteeing that downhole measurement adjusting integration water injection tool corresponds to oil reservoir position, corrosion-preventing device, layer separating packer and tubing nipple are placed on interlayer sleeve position to realize zonal isolation.Tubing string can guarantee the regulation of downhole water injection string indifference and unlimited secondary clearing using interior latus rectum size is consistent, fuse is preset, the technology of unified regulation, achieve the purpose that oil field be finely layered, efficient water injection.In addition, the tubing string can be used for the seperated layer water injection compared with complex hole conditions such as slim-hole and sand proof wells, the high-effect and all standing of water filling is realized.
Description
Technical field
The utility model relates to a kind of oil field devices, and in particular to a kind of downhole measurement adjusting integration water injection string.
Background technique
Currently, many oil fields are in the fine development stage, interlayer waterflooding extraction is main direction of studying, seperated layer water injection with
And effective implementation of interlayer water distribution technology is the guarantee that crucial and each oil reservoir can access effective exploitation.Underground water-injection
The performance characteristics of tubing string determine the success or failure of seperated layer water injection and interlayer water distribution, therefore the development of downhole water injection string becomes oil field
The difficult point and emphasis of fine waterflooding extraction.
Currently, the down-hole string of seperated layer water injection and interlayer water distribution mainly uses eccentric water distribution pipe column and hollow sparge pipe column,
Eccentric water distribution pipe column central cavity size is consistent, and the paring chamber for loading water distributing core is then amesiality, leans on eccentric center water-distributing fuse
Pulling come control hierarchy and water distribution, theoretically can be realized the seperated layer water injection greater than 3 layers, but due to eccentric water distribution pipe column water distribution
The pulling of fuse is difficult, and the water distribution pulling of multilayer position is surveyed to adjust and be cannot achieve substantially.And in hollow sparge pipe column water distribution cavity
On the same line, the water distributing core of different sizes by pulling outer diameter carries out seperated layer water injection and water distribution to the heart from the bottom to top.Before
Person's pulling water distributing core difficulty is big, and water filling control effect is poor；The latter's pulling fuse size design is limited, and layering control water layer position is few,
The technical requirements of a 6-8 layers of fine seperated layer water injection are not achieved in generally layer 2-3.In short, being both able to achieve layering control water
Purpose, but the difficult objective requirement for realizing that oil field is finely layered, efficient water injection is developed.
Utility model content
The purpose of this utility model provides a kind of downhole measurement adjusting integration water filling aiming at defect of the existing technology
Tubing string, tubing string can guarantee downhole water injection string indifference using interior latus rectum size is consistent, fuse is preset, the technology of unified regulation
Not Tiao Kong and unlimited secondary clearing, achieve the purpose that oil field be finely layered, efficient water injection.In addition, the tubing string can be used for compared with slim-hole
And the seperated layer water injection of the complex hole conditions such as sand proof well, realize the high-effect and all standing of water filling.
Its technical solution is: downhole measurement adjusting integration water injection string, including oil pipe and casing, in casing from lower to upper successively
By silk plug, screen casing, check valve, tubing nipple, downhole measurement adjusting integration water injection tool, layer separating packer, corrosion-preventing device, oil pipe group
At by screwed connection；
For multiple zone, one layer of corrosion-preventing device of every increase, layer separating packer, tubing nipple, downhole measurement adjusting integration fill the water work
Tool is increased by one layer of tubing string, and guarantees that downhole measurement adjusting integration water injection tool corresponds to oil reservoir position, corrosion-preventing device, layer separating packer and
Tubing nipple is placed on interlayer sleeve position to realize zonal isolation.
The downhole measurement adjusting integration water injection tool includes lower contact, friction pad, rotation fuse, injection well downhole flow regulator main body, fixation
Valve block, standing valve, movable valve, adjusting set, top connection, anti-rotation screw, anti-rotation set, central tube, connector sleeve, big pressure spring, work
Moving valve plate, filter net sheet, small pressure spring, lower contact lower end and the upper end screwed connection of injection well downhole flow regulator main body, friction pad rotate fuse, are solid
Fixed valve plate, movable valve plate, filter net sheet, small pressure spring are placed in lower contact, the inner cavity that injection well downhole flow regulator main body forms, and fixed valve block is put
It sets in injection well downhole flow regulator main body on step, rotation fuse is placed on fixed valve piece top, and it is elongated that rotation fuse top cut 6-8 item
Eyelet rotates so that specific purpose tool docks, and movable valve plate, filter net sheet are mounted on rotation fuse, injection well downhole flow regulator main body, fixed valve block
Between space in and be welded on injection well downhole flow regulator main body outer end, and keep being in close contact with fixed valve block, movable valve plate rotation can
Sealing or the channel for opening fixed valve piece toroidal cavity and tool inner cavity, filter net sheet filtering water pass through to prevent external injection water
Tool enters stratum and blocks, and step installs friction pad, small pressure spring from the bottom to top at the top of rotation fuse and in lower contact, and relies on
The CONTACT WITH FRICTION and sealing that the elastic bearing of small pressure spring provides friction pad, rotates fuse, friction pad, rotation fuse cover install steel
Flexibility of the ball to guarantee friction pad, rotate fuse relative rotation, central tube upper end outside and injection well downhole flow regulator lower body inside silk
Button connection, central tube lower end and anti-rotation set screwed connection connect screwed connection outside set upper side and injection well downhole flow regulator lower body, connection
Set lower end is connected with top connection upper end screw thread, and cut the elongated eyelet of 6-8 item at middle part to link up with stratum, fixed valve
From top to bottom device is formed in injection well downhole flow regulator main body, central tube, connector sleeve, top connection for piece, standing valve, big pressure spring, adjusting set
In cavity, and by big pressure spring elastic strength keep be in close contact, between top connection, anti-rotation set by anti-rotation screw locking with
Prevent anti-rotation set from rotating, anti-rotation set lower part cut the elongated eyelet of 6-8 item.
Compared with prior art, having the advantage that reserved multistage survey of tubing string is adjusted rotation fuse and protected
Holding surveys at different levels adjusts rotation fuse sizes consistent, tripping in may be implemented once regulates and controls tool to achieve the purpose that multistage survey is adjusted, both
Reduce the failure probability of ground pulling water filling fuse, and improves water filling and survey the success rate adjusted；Design of string pipe have anti-rotation set and
It surveys up and down and adjusts eyelet, can be convenient the positioning of regulation tool and the survey tune of injected water volume size, to guarantee the note of each layer of position
Water is injected by design requirement, improves single layer water filling and exploitation effect；Downhole packer and choked flow of the tubing string using fluid power control
Mechanism guarantees in the injecting process swollen sealed packer at any time and switch waterflood path, realizes the fine seperated layer water injection of multiple zone；Pipe
Post design has corrosion-preventing device, to realize the antisepsis of underground equipment, reduces the corrosion of underground equipment, improves the tubing string service life.In addition,
Entire tubing string improves the subsequent fishing success ratio of tubing string without hard anchoring device to reduce the stuck probability of tubing string.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the utility model downhole measurement adjusting integration water injection tool.
Specific embodiment
Referring to Fig.1-2, downhole measurement adjusting integration water injection string, including oil pipe 1 and casing 2, in casing 2 from lower to upper successively
By silk plug 9, screen casing 8, check valve 7, tubing nipple 5, downhole measurement adjusting integration water injection tool 6, layer separating packer 4, corrosion-preventing device 3,
Oil pipe 1 forms, by screwed connection；For multiple zone, every increase by one layer of corrosion-preventing device 3, layer separating packer 4, tubing nipple 5, well
Lower survey adjusts integrated water injection tool 6 to be increased by one layer of tubing string, and guarantees the corresponding oil reservoir position of downhole measurement adjusting integration water injection tool 6,
Corrosion-preventing device 3, layer separating packer 4 and tubing nipple 5 are placed on interlayer sleeve position to realize zonal isolation.
The downhole measurement adjusting integration water injection tool 6 includes lower contact 13, friction pad 14, rotation fuse 15, injection well downhole flow regulator master
Body 16, fixed valve block 17, standing valve 18, movable valve 19, adjusting set 20, top connection 21, anti-rotation screw 22, anti-rotation set 23,
Central tube 24, connector sleeve 25, big pressure spring 26, movable valve plate 27, filter net sheet 28, small pressure spring 29,13 lower end of lower contact and water distribution
The 16 upper end screwed connection of device main body, it is friction pad 14, rotation fuse 15, fixed valve block 17, movable valve plate 27, filter net sheet 28, small
Pressure spring 29 is placed in lower contact 13, the inner cavity that injection well downhole flow regulator main body 16 forms, and fixed valve block 17 is placed in injection well downhole flow regulator main body 16
On step, rotation fuse 15 is placed on fixed 17 top of valve block, and rotation 15 top of fuse cut the elongated eyelet of 6-8 item so as to special
It is docked and is rotated with tool, movable valve plate 27, filter net sheet 28 are mounted on rotation fuse 15, injection well downhole flow regulator main body 16, fixed valve block 17
Between space in and be welded on 16 outer end of injection well downhole flow regulator main body, and keep being in close contact with fixed valve block 17,27 turns of movable valve plate
Kinetic energy enough seals or opens the channel of fixed valve block 17 toroidal cavity and tool inner cavity, rotates in 15 top of fuse and lower contact 13
Step installs friction pad 14, small pressure spring 29 from the bottom to top, and provides friction pad 14, rotary core by the elastic bearing of small pressure spring 29
The CONTACT WITH FRICTION and sealing of son 15, friction pad 14, rotation 15 cover of fuse installation steel ball are to guarantee friction pad 14, rotation fuse 15
The flexibility of relative rotation, 24 upper end of central tube outside and the inside screwed connection of 16 lower end of injection well downhole flow regulator main body, 24 lower end of central tube
With anti-23 screwed connection of rotation set, screwed connection outside 25 upper end of connector sleeve and 16 lower end of injection well downhole flow regulator main body, 25 lower end of connector sleeve and
21 upper end screw thread of top connection is connected, and at middle part cut the elongated eyelet of 6-8 item to link up with stratum, fixed valve block 17,
Standing valve 18, big pressure spring 26, adjusting set 20 from top to bottom device injection well downhole flow regulator main body 16, central tube 24, connector sleeve 25, on connect
It is first 21 composition cavitys in, and by big pressure spring 26 elastic strength keep be in close contact, between top connection 21, anti-rotation set 23 according to
It is locked by anti-rotation screw 22 to prevent anti-rotation set 23 from rotating, anti-23 lower part of rotation set cut the elongated eyelet of 6-8 item.
Usage mode: tubular column string, which is pressed, arrives predetermined position under design requirement, dedicated ground tool is lowered into pipe using steel wire
In column, the eyelet in downhole measurement adjusting integration water injection tool 6 is opened by design water injection rate requirement from the bottom to top, makes downhole measurement adjusting one
Body water injection tool 6 and the first oil reservoir 10, the second oil reservoir 11, third oil reservoir 12 are linked up.When water filling, water enters from oil pipe 1,
The 4 rubber open seals casing 2 of choked flow differential pressure action lower leaf packer of downhole measurement adjusting integration water injection tool 6 makes the first oil
The 10, second oil reservoir 11 of layer, third oil reservoir 12 separate, and pressure difference continues to increase water from the channel of downhole measurement adjusting integration water injection tool 6
It is middle to enter the first oil reservoir 10, the second oil reservoir 11,12 oil reservoir of third oil reservoir, realize the seperated layer water injection purpose of multiple oil reservoirs.This is practical
It is novel to be mainly used in the fine waterflooding extraction in oil field, utilize 4 separate layer position of layer separating packer, downhole measurement adjusting integration water injection tool
6 survey regulation system, thus realize oil field finely be layered, the purpose of efficient water injection, raising multiple layers of position of block recovery ratio.
Claims (2)
1. downhole measurement adjusting integration water injection string, including oil pipe (1) and casing (2), it is characterised in that: in casing (2) from it is lower toward
On successively by silk plug (9), screen casing (8), check valve (7), tubing nipple (5), downhole measurement adjusting integration water injection tool (6), layering
Packer (4), corrosion-preventing device (3), oil pipe (1) composition, by screwed connection；
For multiple zone, one layer of corrosion-preventing device (3) of every increase, layer separating packer (4), tubing nipple (5), downhole measurement adjusting integration note
Water conservancy project tool (6) is increased by one layer of tubing string, and guarantees the corresponding oil reservoir position of downhole measurement adjusting integration water injection tool (6), corrosion-preventing device (3),
Layer separating packer (4) and tubing nipple (5) are placed on interlayer sleeve position to realize zonal isolation.
2. downhole measurement adjusting integration water injection string according to claim 1, it is characterised in that: the downhole measurement adjusting integration
Water injection tool (6) includes lower contact (13), friction pad (14), rotation fuse (15), injection well downhole flow regulator main body (16), fixed valve block
(17), standing valve (18), movable valve (19), adjusting set (20), top connection (21), anti-rotation screw (22), anti-rotation set (23),
Central tube (24), connector sleeve (25), big pressure spring (26), movable valve plate (27), filter net sheet (28), small pressure spring (29), lower contact
(13) lower end and injection well downhole flow regulator main body (16) upper end screwed connection, friction pad (14), fixed valve block (17), are lived at rotation fuse (15)
Moving valve plate (27), filter net sheet (28), small pressure spring (29) are placed on the inner cavity of lower contact (13), injection well downhole flow regulator main body (16) composition
In, fixed valve block (17) are placed on injection well downhole flow regulator main body (16) interior step, and rotation fuse (15) is placed on fixed valve block (17)
Portion, rotation fuse (15) top cut the elongated eyelet of 6-8 item and rotates so that specific purpose tool docks, movable valve plate (27), filtering
Mesh sheet (28) is mounted on rotation fuse (15), injection well downhole flow regulator main body (16), fixes in the space between valve block (17) and be welded on and match
Water machine body (16) outer end, and keep being in close contact with fixed valve block (17), movable valve plate (27) rotation can be sealed or be opened
The channel of fixed valve block (17) toroidal cavity and tool inner cavity, at the top of rotation fuse (15) and lower contact (13) interior step by down toward
Upper installation friction pad (14), small pressure spring (29), and friction pad (14), rotation fuse are provided by the elastic bearing of small pressure spring (29)
(15) CONTACT WITH FRICTION and sealing, friction pad (14), rotation fuse (15) cover installation steel ball are to guarantee friction pad (14), rotation
The flexibility that fuse (15) relatively rotates, central tube (24) upper end outside and the inside screwed connection of injection well downhole flow regulator main body (16) lower end,
Screw thread outside central tube (24) lower end and anti-rotation set (23) screwed connection, connector sleeve (25) upper end and injection well downhole flow regulator main body (16) lower end
Connection, connector sleeve (25) lower end is connected with top connection (21) upper end screw thread, and middle part cut the elongated eyelet of 6-8 item so as to
Linked up with stratum, fixed valve block (17), standing valve (18), big pressure spring (26), adjusting set (20) from top to bottom device in water distribution
In the cavity that device main body (16), central tube (24), connector sleeve (25), top connection (21) form, and by the bullet of big pressure spring (26)
Property strength keep be in close contact, between top connection (21), anti-rotation set (23) by anti-rotation screw (22) locking to prevent anti-rotation set
(23) it rotates, anti-rotation set (23) lower part cut the elongated eyelet of 6-8 item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968539.6U CN209228347U (en) | 2018-11-28 | 2018-11-28 | Downhole measurement adjusting integration water injection string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968539.6U CN209228347U (en) | 2018-11-28 | 2018-11-28 | Downhole measurement adjusting integration water injection string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228347U true CN209228347U (en) | 2019-08-09 |
Family
ID=67504867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821968539.6U Expired - Fee Related CN209228347U (en) | 2018-11-28 | 2018-11-28 | Downhole measurement adjusting integration water injection string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323649A (en) * | 2021-07-26 | 2021-08-31 | 东营市鑫吉石油技术有限公司 | Integrated flow-collecting bridge type testing, adjusting, inspecting, sealing and injecting system and using method thereof |
-
2018
- 2018-11-28 CN CN201821968539.6U patent/CN209228347U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323649A (en) * | 2021-07-26 | 2021-08-31 | 东营市鑫吉石油技术有限公司 | Integrated flow-collecting bridge type testing, adjusting, inspecting, sealing and injecting system and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20211128 |