CN204126617U - Water is poly-notes process pipe string with well layering is same - Google Patents
Water is poly-notes process pipe string with well layering is same Download PDFInfo
- Publication number
- CN204126617U CN204126617U CN201420549034.1U CN201420549034U CN204126617U CN 204126617 U CN204126617 U CN 204126617U CN 201420549034 U CN201420549034 U CN 201420549034U CN 204126617 U CN204126617 U CN 204126617U
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- pipe
- poly
- well
- sealing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to a kind of water and gathers with well layering with noting process pipe string.Mainly solve and adopt the oilfield injection well mining type of existing oil field process pipe string to affect greatly, by the larger problem of the impact of compartment thickness field output.It is characterized in that: described sleeve pipe (1) is separated into different layer positions from the annular space between outer oil pipe (2) by several washing well cable-passing packers (10), described outer oil pipe (2) inside is equipped with internal layer oil pipe (3), and be provided with grafting sealing device (5) between internal layer oil pipe (3) bottom and outer oil pipe (2), the layer position on grafting sealing device (5) top is built-in with the poly-device (4) of eccentric note, and the layer position of grafting sealing device (5) bottom is built-in with eccentric injection mandrel (6).This water is poly-can be realized poly-driving with well layering with note process pipe string and return rear same well sequent water flooding and carry out with poly-driving simultaneously, and equal layering is injected, and improves development effectiveness, and does not affect by compartment thickness.
Description
Technical field
The utility model relates to oilfield, and a kind of water is poly-specifically notes process pipe string with well layering is same.
Background technology
Due to by the restriction of oil field process pipe string structure, injection well, penetrating out after oil reservoir position notes coalescent bundle, returns shutoff on carrying out, top is not employed oil reservoir dead chick and open, continue the poly-exploitation of note the poly-oil reservoir terminated of note.But this development mode is comparatively large to the yield effect in oil field, by minimizing sequent water flooding to the contribution to yield in oil field, and this development mode is larger by the impact of compartment thickness.
Summary of the invention
The oilfield injection well mining type of existing oil field process pipe string is adopted to affect greatly, by the larger deficiency of the impact of compartment thickness field output in order to overcome, the utility model provides a kind of water to gather with well layering with noting process pipe string, this water is poly-can be realized poly-driving with well layering with note process pipe string and return rear same well sequent water flooding and carry out with poly-driving simultaneously, equal layering is injected, improve development effectiveness, and do not affect by compartment thickness.
The technical solution of the utility model is: a kind of water is poly-notes process pipe string with well layering is same, comprise sleeve pipe, inside pipe casing is equipped with outer oil pipe, annular space between described sleeve pipe from outer oil pipe is separated into different layer positions by several washing well cable-passing packers, described outer oil pipe inside is equipped with internal layer oil pipe, and be provided with grafting sealing device between internal layer oil pipe bottom and outer oil pipe, the layer position on grafting sealing device top is built-in with the poly-device of eccentric note, and the layer position of grafting sealing device bottom is built-in with eccentric injection mandrel;
Described grafting sealing device comprises insertion pipe, hermetically sealed case, described insertion pipe top is connected with internal layer oil pipe, and hermetically sealed case top is connected with outer oil pipe, and bottom is connected with lower contact, insertion pipe is placed in hermetically sealed case inside, and sealing inner sleeve is provided therebetween.
The utility model has following beneficial effect: owing to taking such scheme, adopt inside and outside two-layer oil pipe, stratum is divided into two-layer up and down by the sealing device of grafting simultaneously, and levels is divided into different layer positions by packer, layered polymer injection is carried out by the annular space between inside and outside layer oil pipe in upper strata, and lower floor carries out seperated layer water injection by internal layer oil pipe inner chamber, realizes poly-play being returned rear same well sequent water flooding and carries out with poly-driving simultaneously, and each layer injection rate injection pressure is measurable and controllable, improves displacement efficiency further from face.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of grafting sealing device.
1-sleeve pipe in figure, the outer oil pipe of 2-, 3-internal layer oil pipe, the poly-device of 4-note, 5-grafting sealing device, 6-eccentric injection mandrel, 7-steel ball, 8-screen casing, 9-cable, 10-washing well cable-passing packer, 51-insertion pipe, 52-hermetically sealed case, 53-O type circle, 54-skeleton ring, 55-seals inner sleeve, 56-lower contact.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Shown in Fig. 1, Fig. 2, a kind of water is poly-notes process pipe string with well layering is same, comprise sleeve pipe 1, sleeve pipe 1 inside is equipped with outer oil pipe 2, outer oil pipe 2 is 2 cun of half plain end oil well pipe, and the annular space between described sleeve pipe 1 from outer oil pipe 2 is separated into different layer positions by several washing well cable-passing packers 10, and cable 9 can through above-mentioned washing well cable-passing packer 10, the each layer of equal correspondence in position is provided with the poly-device 4 of eccentric note, and the poly-device 4 of note adopts electric-controlled type.Described outer oil pipe 2 inside is equipped with internal layer oil pipe 3, and is provided with grafting sealing device 5 between internal layer oil pipe 3 bottom and outer oil pipe 2, and the layer position of grafting sealing device 5 bottom is built-in with eccentric injection mandrel 6.Described grafting sealing device 5 comprises insertion pipe 51, hermetically sealed case 52, and wherein insertion pipe 51 top is connected with internal layer oil pipe 3, and hermetically sealed case 52 top is connected with outer oil pipe 2, and bottom is connected with lower contact 56.After tubing string connects, insertion pipe 51 is placed in hermetically sealed case 52 inside, toroidal cavity is formed between hermetically sealed case about 52 two ends and insertion pipe 51, sealing inner sleeve 55 is provided with in this cavity, and sealed by O type circle 53 between sealing inner sleeve 55 and hermetically sealed case 52, skeleton ring 54 is provided with, to ensure sealing between hermetically sealed case 52, sealing inner sleeve 55 and insertion pipe 51 between sealing inner sleeve 55 end and hermetically sealed case 52.
When lower tubular column, first lower outer oil pipe 2, rear lower internal layer oil pipe 3, wherein cable 9 is together transferred with outer oil pipe 2, and the hermetically sealed case 52 of grafting sealing device 5 and sealing inner sleeve 55 are together transferred after being connected with outer oil pipe 2; Insertion pipe 51 is connected to internal layer oil pipe 3 lower end, transfers be placed in hermetically sealed case 52 with internal layer oil pipe 3.Oil reservoir is divided into two-layer up and down by grafting sealing device 5, and wherein upper layer position is note poly layer, and jointly form two annular spaces by sleeve pipe 1, outer oil pipe 2, internal layer oil pipe 3, lower layer position is water filling layer, then form an annular space by sleeve pipe 1, outer oil pipe 2.After having descended tubing string, suppress the packer of release note poly layer position from ectonexine oil pipe annular space, suppress the packer of release water filling layer position from internal layer oil pipe 2 inside.The pressure that the sealing situation of packer at different levels gathers the inlet and outlet pressure sensor collection of device 4 or automatically controlled eccentric injection mandrel 6 by automatically controlled bias note judges.Grafting sealing device sealing situation can adopt following methods: keep ectonexine oil pipe annular space with no pressure, suppress in internal layer oil pipe 3, as returned water from ectonexine oil pipe annular space, the blow-by of grafting sealing device is described, does not return water and one-way sealing is described; Keep with no pressure in internal layer oil pipe 3, ectonexine oil pipe annular space is suppressed, and internal layer oil pipe returns water and the blow-by of grafting sealing device is described, does not return water and the sealing of grafting sealing device is described.
Adopt this tubing string, note poly layer position and water filling layer position anti-flushing well are for carry out simultaneously, anti-flushing well liquid enters from oil jacket annular space, and after note poly layer position washing well cable-passing packer 10 well-flushing passage, the poly-device 4 of automatically controlled bias note, enter ectonexine oil pipe annular space, realization is poly-drives layer position anti-flushing well.Anti-flushing well liquid enters interior pipe through water filling layer position washing well cable-passing packer well-flushing passage, screen casing 8, steel ball 7, realizes water filling layer position anti-flushing well.
Claims (1)
1. a water gathers with well layering with noting process pipe string, comprise sleeve pipe (1), sleeve pipe (1) inside is equipped with outer oil pipe (2), it is characterized in that: described sleeve pipe (1) is separated into different layer positions from the annular space between outer oil pipe (2) by several washing well cable-passing packers (10), described outer oil pipe (2) inside is equipped with internal layer oil pipe (3), and be provided with grafting sealing device (5) between internal layer oil pipe (3) bottom and outer oil pipe (2), the layer position on grafting sealing device (5) top is built-in with the poly-device (4) of eccentric note, the layer position of grafting sealing device (5) bottom is built-in with eccentric injection mandrel (6),
Described grafting sealing device (5) comprises insertion pipe (51), hermetically sealed case (52), described insertion pipe (51) top is connected with internal layer oil pipe (3), hermetically sealed case (52) top is connected with outer oil pipe (2), bottom is connected with lower contact (56), it is inner that insertion pipe (51) is placed in hermetically sealed case (52), and sealing inner sleeve (55) is provided therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549034.1U CN204126617U (en) | 2014-09-23 | 2014-09-23 | Water is poly-notes process pipe string with well layering is same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549034.1U CN204126617U (en) | 2014-09-23 | 2014-09-23 | Water is poly-notes process pipe string with well layering is same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126617U true CN204126617U (en) | 2015-01-28 |
Family
ID=52382984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549034.1U Active CN204126617U (en) | 2014-09-23 | 2014-09-23 | Water is poly-notes process pipe string with well layering is same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126617U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234671A (en) * | 2014-09-23 | 2014-12-24 | 中国石油天然气股份有限公司 | Water-gathering co-well layering co-charging process tubular column |
| CN106939784A (en) * | 2017-01-13 | 2017-07-11 | 上海全泽能源科技有限公司 | The positioning acidizing device of stratified injection well |
| CN116575892A (en) * | 2023-07-12 | 2023-08-11 | 东营市鑫吉石油技术有限公司 | Corrugated friction type cabled layered polymer injection device |
-
2014
- 2014-09-23 CN CN201420549034.1U patent/CN204126617U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234671A (en) * | 2014-09-23 | 2014-12-24 | 中国石油天然气股份有限公司 | Water-gathering co-well layering co-charging process tubular column |
| CN106939784A (en) * | 2017-01-13 | 2017-07-11 | 上海全泽能源科技有限公司 | The positioning acidizing device of stratified injection well |
| CN116575892A (en) * | 2023-07-12 | 2023-08-11 | 东营市鑫吉石油技术有限公司 | Corrugated friction type cabled layered polymer injection device |
| CN116575892B (en) * | 2023-07-12 | 2023-10-31 | 东营市鑫吉石油技术有限公司 | Corrugated friction type cabled layered polymer injection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103806879B (en) | Safety production tubular column for same-well production and injection in offshore oilfield | |
| CN105649585B (en) | Flood suction integrated pipe column and its operating procedure | |
| CN103089204B (en) | Double-coal-bed layered pressure control device combining coal discharging and coal mining | |
| CN101624904A (en) | Open hole completion well sand resistant pipe string of sidetracking branch well and inserting type acid cleaning filling inner pipe string thereof | |
| CN204126617U (en) | Water is poly-notes process pipe string with well layering is same | |
| CN104234671A (en) | Water-gathering co-well layering co-charging process tubular column | |
| CN205744381U (en) | Multilamellar is divided to adopt and is separated oil well pump | |
| CN104453839A (en) | Large-discharge-capacity oil-water separation automatically flowing water injection system | |
| CN105952431B (en) | Fixed tubular column method for removing blockage | |
| CN204212753U (en) | Upper strata layered polymer injection lower floor commingled water injection process pipe string | |
| CN201915916U (en) | Separate-layer fracturing sand control string | |
| CN203175503U (en) | Tubular column for safety production in fluid producing and injecting process through one well of offshore oilfield | |
| CN203948037U (en) | Sectional quantitative injection string | |
| CN204252929U (en) | Oil recovery water plugging string | |
| CN203188969U (en) | Thermal washing paraffin removal packer | |
| CN201568034U (en) | Selective zone commingled oil production pipe string | |
| CN202788638U (en) | Cased hole completion multistage cracking horizontal well multistage segmentation release water exploration pipe column | |
| CN204126618U (en) | The general Zhu Ju lower floor in upper strata commingled water injection process pipe string | |
| CN201671607U (en) | Concentric double-tube separate-injection tube column with ground water distribution for high-inclination well | |
| CN202954776U (en) | Locating sealing device applied to horizontal water injection well layered seal and capable of back flushing and back injecting | |
| CN107687413A (en) | Up injection sucker rod pump same well production-injection device | |
| CN201857941U (en) | Anti-leakage and bottom water coning delay integrated string of horizontal well | |
| CN201620840U (en) | Circulation slide sleeve | |
| CN203114260U (en) | Double-coalbed layering pressure-controlling combined water exhausting and gas collecting device | |
| CN202117648U (en) | One-level two-segment insert-seal injection-divided tubular pile capable of backwashing wells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |