CN114941510A - Circulation unblocking sand fishing process system - Google Patents
Circulation unblocking sand fishing process system Download PDFInfo
- Publication number
- CN114941510A CN114941510A CN202210692257.2A CN202210692257A CN114941510A CN 114941510 A CN114941510 A CN 114941510A CN 202210692257 A CN202210692257 A CN 202210692257A CN 114941510 A CN114941510 A CN 114941510A
- Authority
- CN
- China
- Prior art keywords
- sand
- pump
- valve
- circulating
- process system
- 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.)
- Granted
Links
- 239000004576 sand Substances 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000008569 process Effects 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 125000004122 cyclic group Chemical group 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 238000005488 sandblasting Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 18
- 238000011010 flushing procedure Methods 0.000 description 8
- 238000005507 spraying Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
Abstract
The invention discloses a circulation blockage relieving and sand fishing process system which comprises a sand fishing adjusting component, a series pump set and a liquid inlet component, wherein the series pump set is arranged inside the sand fishing adjusting component, and the liquid inlet component is arranged at the upper end of the sand fishing adjusting component; the sand fishing adjusting component comprises a sleeve and a sand sucking pipe, the sand sucking pipe is arranged inside the sleeve, a connecting seat is arranged at the upper end of the sleeve, a sand sucking port is formed in one end, far away from the connecting seat, of the sleeve, and a sand sucking nozzle is formed in one end, far away from the connecting seat, of the sand sucking pipe; the series pump group comprises a circulating pump, a lifting pump and a sand suction pump. The invention belongs to the technical field of oil exploitation, and particularly provides a circulating blockage removal and sand fishing process system which effectively solves the problems of serious leakage of a horizontal well and a stratum cavity and sand discharge of an ultra-deep well.
Description
Technical Field
The invention belongs to the technical field of oil exploitation, and particularly relates to a circulating blockage removal and sand fishing process system.
Background
Oil extraction refers to the act of mining and extracting oil in places where oil is stored. During the process of oil production, oil and gas flow from the reservoir to the well bottom and rise from the well bottom to the well top.
The conventional circulating sand washing construction for sand production of the existing horizontal well has the following problems: firstly, the pipe column is easy to clamp in the sand flushing process to cause underground accidents; secondly, circulating well flushing liquid in the sand flushing process to cause oil reservoir flooding and crude oil production reduction; and thirdly, flushing part of formation sand in the sand flushing process back to the formation by the well flushing fluid to cause temporary crude oil blockage in the oil layer and reduce the yield.
The existing mechanical oil well sand bailing process has short one-time sand bailing distance, can finish operation only by pulling up and pulling down a plurality of pipe columns, and has high operation cost and great difficulty in sand bailing construction when entering a deep horizontal well section.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides a circulating blockage relieving and sand fishing process system which effectively solves the problems of serious leakage of a horizontal well and a stratum due to depletion and sand discharge of an ultra-deep well.
The technical scheme adopted by the invention is as follows: the circulation blockage removing and sand dredging process system comprises a sand dredging adjusting component, a series pump set and a liquid inlet component, wherein the series pump set is arranged inside the sand dredging adjusting component, and the liquid inlet component is arranged at the upper end of the sand dredging adjusting component; the sand bailing adjusting assembly comprises a sleeve and a sand suction pipe, the sand suction pipe is arranged inside the sleeve, a connecting seat is arranged at the upper end of the sleeve, a sand suction port is formed in one end, away from the connecting seat, of the sleeve, and a sand suction nozzle is formed in one end, away from the connecting seat, of the sand suction pipe; the serial pump group comprises a circulating pump, a lifting pump and a sand suction pump, and the circulating pump, the lifting pump and the sand suction pump are sequentially arranged inside the sand suction pipe from top to bottom; the feed liquor subassembly includes pump truck, switching-over valve, oil pipe and positive circulation valve, the upper end of connecting seat is located to oil pipe, the upper end of oil pipe is located to the positive circulation valve, just the upper end of pump truck is located to the switching-over valve, be equipped with positive circulation pipeline between switching-over valve and the positive circulation valve.
Preferably, the liquid inlet assembly further comprises a side circulating valve, and a side circulating pipeline is connected between the side circulating valve and the reversing valve.
Preferably, the outside of inhaling the sand pipe is equipped with balanced valve and packer, the upper end of balanced valve is located to the packer.
Preferably, a sand blasting nozzle is arranged on the outer side of the sand suction pipe and is arranged at the upper end of the packer.
Preferably, two groups of the water spray nozzles are symmetrically arranged on the outer side of the sand suction pipe, and two groups of the water spray nozzles are symmetrically arranged on the outer side of the sand suction pipe.
Preferably, the outer side of the connecting seat is provided with a circulating outlet pipe, and one end of the circulating outlet pipe is connected with an external pollution tank.
Preferably, a control valve is arranged on the outer side of the circulating outlet pipe.
Preferably, the connecting seat is communicated between the oil pipe and the casing pipe.
The invention with the structure has the following beneficial effects: according to the circulating blockage removing and sand dredging process system, when a single pipe column is connected, the reversing valve can close the positive circulating pipeline and open the side circulating pipeline under the condition that the pump is not stopped, so that the purpose that the pump is not stopped when the single pipe column is replaced can be realized, and the phenomena of pump clamping and pipe column clamping caused by the fact that the pump is stopped when the single pipe column is connected are avoided; the balance valve and the packer can not only block the well-flushing liquid from entering the stratum but also adjust the underground negative pressure value to prevent suction induced flow, and the sand suction nozzle is used for adjusting the mixing ratio of the liquid and the sand.
Drawings
FIG. 1 is a schematic view of the overall structure of the cyclic blockage relieving and sand dredging process system in the scheme;
FIG. 2 is a schematic diagram of the use of a side circulation pipeline in the circulating blockage relieving and sand dredging process system according to the scheme;
fig. 3 is a schematic diagram of the cyclic blockage relieving and sand dredging process system in the scheme, wherein a single pipe column is replaced without stopping the pump.
The sand dredging and sand spraying device comprises a sand dredging and adjusting assembly 1, a sand dredging and adjusting assembly 2, a series pump set 3, a liquid inlet assembly 4, a sleeve pipe 5, a sand sucking pipe 6, a connecting seat 7, a sand sucking port 8, a sand sucking nozzle 9, a circulating pump 10, a lifting pump 11, a sand sucking pump 12, a pump truck 13, a reversing valve 14, an oil pipe 15, a positive circulating valve 16, a positive circulating pipeline 17, a side circulating valve 18, a side circulating pipeline 19, a balance valve 20, a packer 21, a sand spraying nozzle 22, a circulating outlet pipe 23 and a control valve.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1-3, the circulation blockage relieving and sand dredging process system comprises a sand dredging adjusting component 1, a series pump set 2 and a liquid inlet component 3, wherein the series pump set 2 is arranged inside the sand dredging adjusting component 1, and the liquid inlet component 3 is arranged at the upper end of the sand dredging adjusting component 1; the sand bailing adjusting assembly 1 comprises a sleeve 4 and a sand sucking pipe 5, the sand sucking pipe 5 is arranged inside the sleeve 4, a connecting seat 6 is arranged at the upper end of the sleeve 4, a sand sucking port 7 is arranged at one end, far away from the connecting seat 6, of the sleeve 4, and a sand sucking nozzle 8 is arranged at one end, far away from the connecting seat 6, of the sand sucking pipe 5; the series pump group 2 comprises a circulating pump 9, a lifting pump 10 and a sand suction pump 11, wherein the circulating pump 9, the lifting pump 10 and the sand suction pump 11 are sequentially arranged inside the sand suction pipe 5 from top to bottom; the feed liquor subassembly 3 includes pump truck 12, switching-over valve 13, oil pipe 14 and positive circulation valve 15, the upper end of connecting seat 6 is located to oil pipe 14, positive circulation valve 15 locates the upper end of oil pipe 14, between oil pipe 14 and sleeve pipe 4 is located to connecting seat 6 intercommunication, just switching-over valve 13 locates the upper end of pump truck 12, be equipped with positive circulation pipeline 16 between switching-over valve 13 and the positive circulation valve 15.
Wherein, the liquid inlet component 3 further comprises a side circulating valve 17, and a side circulating pipeline 18 is connected between the side circulating valve 17 and the reversing valve 13.
And a balance valve 19 and a packer 20 are arranged on the outer side of the sand suction pipe 5, and the packer 20 is arranged at the upper end of the balance valve 19.
And a sand spraying nozzle 21 is arranged on the outer side of the sand suction pipe 5, and the sand spraying nozzle 21 is arranged at the upper end of the packer 20.
Two groups of the sand spraying nozzles 21 are symmetrically arranged on the outer side of the sand suction pipe 5, and two groups of the symmetrically arranged water spraying nozzles are arranged on the outer side of the sand suction pipe 5.
A circulating outlet pipe 22 is arranged on the outer side of the connecting seat 6, a control valve 23 is arranged on the outer side of the circulating outlet pipe 22, and one end of the circulating outlet pipe 22 is connected with an external pollution tank.
When the sand dredging adjusting component is used specifically, the sand dredging adjusting component 1 is placed on a sand surface, the pump truck 12 enables well washing liquid to enter the interior of the circulating pump 9 through the reversing valve 13, the positive circulating valve 15 and the oil pipe 14, and the circulating pump 9, the lifting pump 10 and the sand sucking pump 11 establish a circulating series pump set to work; in the using process, a balance valve 19 and a packer 20 block a flushing fluid from entering a stratum and adjust a downhole negative pressure value to prevent suction induced injection, a sand suction nozzle 21 is used for adjusting the mixing ratio of the liquid and the sand, and in order to avoid the phenomena of pump clamping and pipe column clamping caused by the fact that a single pipe column is connected and stopped, as shown in fig. 2, a reversing valve 13 can close a positive circulation pipeline 16 and open a side circulation pipeline 18 in a pump-stopping state when the single pipe column is connected, and a plug of the side circulation pipeline 18 is connected with a side circulation valve 17 in advance, so that the purpose of replacing the single pipe column without stopping the pump can be realized.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. Circulation unblock bailing process systems, its characterized in that: the system comprises a bailing adjusting component, a series pump set and a liquid inlet component, wherein the series pump set is arranged inside the bailing adjusting component, and the liquid inlet component is arranged at the upper end of the bailing adjusting component; the sand bailing adjusting assembly comprises a sleeve and a sand suction pipe, the sand suction pipe is arranged inside the sleeve, a connecting seat is arranged at the upper end of the sleeve, a sand suction port is formed in one end, away from the connecting seat, of the sleeve, and a sand suction nozzle is formed in one end, away from the connecting seat, of the sand suction pipe; the serial pump group comprises a circulating pump, a lifting pump and a sand suction pump, and the circulating pump, the lifting pump and the sand suction pump are sequentially arranged inside the sand suction pipe from top to bottom; the feed liquor subassembly includes pump truck, switching-over valve, oil pipe and positive circulation valve, the upper end of connecting seat is located to oil pipe, the upper end of oil pipe is located to the positive circulation valve, just the upper end of pump truck is located to the switching-over valve, be equipped with positive circulation pipeline between switching-over valve and the positive circulation valve.
2. The cyclic blockage relieving and sand fishing process system according to claim 1, wherein: the liquid inlet assembly further comprises a side circulating valve, and a side circulating pipeline is connected between the side circulating valve and the reversing valve.
3. The cyclic blockage relieving and sand fishing process system according to claim 1, wherein: and a balance valve and a packer are arranged on the outer side of the sand suction pipe, and the packer is arranged at the upper end of the balance valve.
4. The cyclic blockage relieving and sand fishing process system according to claim 3, wherein: and a sand blasting nozzle is arranged on the outer side of the sand suction pipe and is arranged at the upper end of the packer.
5. The cyclic blockage relieving and sand fishing process system according to claim 4, wherein: two groups of water spray nozzles are symmetrically arranged on the outer side of the sand suction pipe, and two groups of water spray nozzles are symmetrically arranged on the outer side of the sand suction pipe.
6. The cyclic blockage relieving and sand fishing process system according to claim 1, wherein: and a circulating outlet pipe is arranged on the outer side of the connecting seat, and one end of the circulating outlet pipe is connected with an external pollution tank.
7. The cyclic blockage relieving and sand fishing process system according to claim 6, wherein: and a control valve is arranged on the outer side of the circulating outlet pipe.
8. The cyclic blockage relieving and sand fishing process system according to claim 1, wherein: the connecting seat is communicated between the oil pipe and the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210692257.2A CN114941510B (en) | 2022-06-17 | 2022-06-17 | Circulating blocking-removing sand-fishing process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210692257.2A CN114941510B (en) | 2022-06-17 | 2022-06-17 | Circulating blocking-removing sand-fishing process system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114941510A true CN114941510A (en) | 2022-08-26 |
| CN114941510B CN114941510B (en) | 2024-03-22 |
Family
ID=82911582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210692257.2A Active CN114941510B (en) | 2022-06-17 | 2022-06-17 | Circulating blocking-removing sand-fishing process system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114941510B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717203A (en) * | 2023-08-09 | 2023-09-08 | 海塔石油科技有限公司 | Horizontal well sand discharging device and use method |
Citations (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK212887D0 (en) * | 1986-04-28 | 1987-04-27 | Conoco Inc | BROWHOLE CIRCULATION PUMP |
| CN1201863A (en) * | 1997-06-11 | 1998-12-16 | 蒋厚良 | Sand washing process |
| GB0215343D0 (en) * | 2002-07-03 | 2002-08-14 | Kvaerner Process Systems As | Sand transport system |
| CN2568802Y (en) * | 2002-08-22 | 2003-08-27 | 北京安东奥尔工程技术有限责任公司 | Negative pressure bailing and sand sucking head |
| CN101255786A (en) * | 2008-04-15 | 2008-09-03 | 中国石化集团胜利石油管理局石油开发中心 | Method for backfilling and prevention of sand in horizontal well pipe |
| CN101718178A (en) * | 2009-12-09 | 2010-06-02 | 中国石油天然气股份有限公司 | Method for continuously washing coal ash under coal bed methane well in bride type without causing pollution |
| CN201705249U (en) * | 2010-04-26 | 2011-01-12 | 中国石油天然气股份有限公司 | Continuous jet blockage-removing string for horizontal wells |
| CN101967962A (en) * | 2010-10-09 | 2011-02-09 | 中国石油天然气股份有限公司 | Horizontal well sand washing device |
| CN102094586A (en) * | 2010-12-24 | 2011-06-15 | 中国石油天然气股份有限公司 | Ground sand washing device for horizontal well and application method thereof |
| CN202249917U (en) * | 2011-09-20 | 2012-05-30 | 中国石油天然气集团公司 | Back flushing packer |
| CN102720453A (en) * | 2012-06-04 | 2012-10-10 | 遂宁市华旭科技有限公司 | Method and device for mechanically removing sand and draining liquid from pit shaft of oil/gas well in underbalanced state |
| CN102817566A (en) * | 2011-09-30 | 2012-12-12 | 南通新诚电子有限公司 | Horizontal well sand bailing device |
| CN103277059A (en) * | 2013-05-30 | 2013-09-04 | 中国石油天然气股份有限公司 | Negative pressure combined-sand-washing and forced-sand-draining device |
| CN103498641A (en) * | 2013-09-24 | 2014-01-08 | 北京恩瑞达科技有限公司 | Sand removing device and method of oil well negative-pressure machine |
| CN104141463A (en) * | 2013-05-07 | 2014-11-12 | 中国石油化工股份有限公司 | Device and method for negative-pressure sand draining of horizontal well by utilizing concentric double-layer coiled tubing to drag injection pump |
| CN104379868A (en) * | 2012-06-08 | 2015-02-25 | 哈利伯顿能源服务公司 | Shunt tube assembly entry device |
| CN104727787A (en) * | 2015-02-09 | 2015-06-24 | 德惠同利（北京）石油技术服务有限公司 | Screen pipe press-through packing sand control method |
| CN105625969A (en) * | 2014-10-29 | 2016-06-01 | 中国石油化工股份有限公司 | Continuous sand flushing conversion tool |
| CN205577921U (en) * | 2016-04-25 | 2016-09-14 | 中国石油集团渤海钻探工程有限公司 | Oil -water well drags for sand technology tubular column |
| CN106677727A (en) * | 2016-12-20 | 2017-05-17 | 西安迈克斯石油技术有限公司 | Continuous negative pressure sand washing device and system thereof |
| CN206267816U (en) * | 2016-12-20 | 2017-06-20 | 西安迈克斯石油技术有限公司 | Continuous negative pressure sand flushing device and its system |
| CN108301796A (en) * | 2018-01-31 | 2018-07-20 | 中国石油天然气股份有限公司 | A kind of pitching auxiliary Flushing tubular column |
| CN208502990U (en) * | 2018-06-11 | 2019-02-15 | 中国石油化工股份有限公司 | A kind of submersible electric pump hanging basket |
| CN110566144A (en) * | 2019-09-27 | 2019-12-13 | 中石化石油工程技术服务有限公司 | Leakage-proof sand washing method and sand washing pipe column |
| CN210564418U (en) * | 2019-07-05 | 2020-05-19 | 中国石油化工股份有限公司 | Sand washing pipe column |
| CN210858625U (en) * | 2019-11-26 | 2020-06-26 | 秦红星 | Workover bailing equipment with clearance function |
| CN210918933U (en) * | 2019-08-05 | 2020-07-03 | 中国石油化工股份有限公司 | Reverse circulation positive sand washing pipe column |
| CN211230307U (en) * | 2019-11-05 | 2020-08-11 | 中国石油化工股份有限公司 | Continuous sand washing device and special continuous sand washing adapter |
| CN211950394U (en) * | 2019-11-08 | 2020-11-17 | 北京宝沃石油技术有限责任公司 | Sand-discharging oil-production jet pump |
| CN112031683A (en) * | 2020-08-19 | 2020-12-04 | 中国海洋石油集团有限公司 | Sand washing and sand carrying lifting production integrated process pipe column and method thereof |
| CN112576211A (en) * | 2020-12-29 | 2021-03-30 | 中国地质调查局水文地质环境地质调查中心 | Novel shaft bottom desilting device |
| CN112647872A (en) * | 2019-10-12 | 2021-04-13 | 中国石油化工股份有限公司 | Underground sand suction device |
| CN113279710A (en) * | 2021-06-09 | 2021-08-20 | 克拉玛依市恩能胜石油科技有限公司 | Deep well sand removal system |
| CN113882819A (en) * | 2021-11-02 | 2022-01-04 | 克拉玛依市恩能胜石油科技有限公司 | Deep well sand removal system |
| CN114075933A (en) * | 2020-08-13 | 2022-02-22 | 中国石油化工股份有限公司 | Sand washing and filling pipe column system and sand washing and filling process |
-
2022
- 2022-06-17 CN CN202210692257.2A patent/CN114941510B/en active Active
Patent Citations (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK212887D0 (en) * | 1986-04-28 | 1987-04-27 | Conoco Inc | BROWHOLE CIRCULATION PUMP |
| CN1201863A (en) * | 1997-06-11 | 1998-12-16 | 蒋厚良 | Sand washing process |
| GB0215343D0 (en) * | 2002-07-03 | 2002-08-14 | Kvaerner Process Systems As | Sand transport system |
| CN2568802Y (en) * | 2002-08-22 | 2003-08-27 | 北京安东奥尔工程技术有限责任公司 | Negative pressure bailing and sand sucking head |
| CN101255786A (en) * | 2008-04-15 | 2008-09-03 | 中国石化集团胜利石油管理局石油开发中心 | Method for backfilling and prevention of sand in horizontal well pipe |
| CN101718178A (en) * | 2009-12-09 | 2010-06-02 | 中国石油天然气股份有限公司 | Method for continuously washing coal ash under coal bed methane well in bride type without causing pollution |
| CN201705249U (en) * | 2010-04-26 | 2011-01-12 | 中国石油天然气股份有限公司 | Continuous jet blockage-removing string for horizontal wells |
| CN101967962A (en) * | 2010-10-09 | 2011-02-09 | 中国石油天然气股份有限公司 | Horizontal well sand washing device |
| CN102094586A (en) * | 2010-12-24 | 2011-06-15 | 中国石油天然气股份有限公司 | Ground sand washing device for horizontal well and application method thereof |
| CN202249917U (en) * | 2011-09-20 | 2012-05-30 | 中国石油天然气集团公司 | Back flushing packer |
| CN102817566A (en) * | 2011-09-30 | 2012-12-12 | 南通新诚电子有限公司 | Horizontal well sand bailing device |
| CN102720453A (en) * | 2012-06-04 | 2012-10-10 | 遂宁市华旭科技有限公司 | Method and device for mechanically removing sand and draining liquid from pit shaft of oil/gas well in underbalanced state |
| CN104379868A (en) * | 2012-06-08 | 2015-02-25 | 哈利伯顿能源服务公司 | Shunt tube assembly entry device |
| CN104141463A (en) * | 2013-05-07 | 2014-11-12 | 中国石油化工股份有限公司 | Device and method for negative-pressure sand draining of horizontal well by utilizing concentric double-layer coiled tubing to drag injection pump |
| CN103277059A (en) * | 2013-05-30 | 2013-09-04 | 中国石油天然气股份有限公司 | Negative pressure combined-sand-washing and forced-sand-draining device |
| CN103498641A (en) * | 2013-09-24 | 2014-01-08 | 北京恩瑞达科技有限公司 | Sand removing device and method of oil well negative-pressure machine |
| CN105625969A (en) * | 2014-10-29 | 2016-06-01 | 中国石油化工股份有限公司 | Continuous sand flushing conversion tool |
| CN104727787A (en) * | 2015-02-09 | 2015-06-24 | 德惠同利（北京）石油技术服务有限公司 | Screen pipe press-through packing sand control method |
| CN205577921U (en) * | 2016-04-25 | 2016-09-14 | 中国石油集团渤海钻探工程有限公司 | Oil -water well drags for sand technology tubular column |
| CN106677727A (en) * | 2016-12-20 | 2017-05-17 | 西安迈克斯石油技术有限公司 | Continuous negative pressure sand washing device and system thereof |
| CN206267816U (en) * | 2016-12-20 | 2017-06-20 | 西安迈克斯石油技术有限公司 | Continuous negative pressure sand flushing device and its system |
| CN108301796A (en) * | 2018-01-31 | 2018-07-20 | 中国石油天然气股份有限公司 | A kind of pitching auxiliary Flushing tubular column |
| CN208502990U (en) * | 2018-06-11 | 2019-02-15 | 中国石油化工股份有限公司 | A kind of submersible electric pump hanging basket |
| CN210564418U (en) * | 2019-07-05 | 2020-05-19 | 中国石油化工股份有限公司 | Sand washing pipe column |
| CN210918933U (en) * | 2019-08-05 | 2020-07-03 | 中国石油化工股份有限公司 | Reverse circulation positive sand washing pipe column |
| CN110566144A (en) * | 2019-09-27 | 2019-12-13 | 中石化石油工程技术服务有限公司 | Leakage-proof sand washing method and sand washing pipe column |
| CN112647872A (en) * | 2019-10-12 | 2021-04-13 | 中国石油化工股份有限公司 | Underground sand suction device |
| CN211230307U (en) * | 2019-11-05 | 2020-08-11 | 中国石油化工股份有限公司 | Continuous sand washing device and special continuous sand washing adapter |
| CN211950394U (en) * | 2019-11-08 | 2020-11-17 | 北京宝沃石油技术有限责任公司 | Sand-discharging oil-production jet pump |
| CN210858625U (en) * | 2019-11-26 | 2020-06-26 | 秦红星 | Workover bailing equipment with clearance function |
| CN114075933A (en) * | 2020-08-13 | 2022-02-22 | 中国石油化工股份有限公司 | Sand washing and filling pipe column system and sand washing and filling process |
| CN112031683A (en) * | 2020-08-19 | 2020-12-04 | 中国海洋石油集团有限公司 | Sand washing and sand carrying lifting production integrated process pipe column and method thereof |
| CN112576211A (en) * | 2020-12-29 | 2021-03-30 | 中国地质调查局水文地质环境地质调查中心 | Novel shaft bottom desilting device |
| CN113279710A (en) * | 2021-06-09 | 2021-08-20 | 克拉玛依市恩能胜石油科技有限公司 | Deep well sand removal system |
| CN113882819A (en) * | 2021-11-02 | 2022-01-04 | 克拉玛依市恩能胜石油科技有限公司 | Deep well sand removal system |
Non-Patent Citations (1)
| Title |
|---|
| 赵煊;吴程;张永斌;李杰林;: "气井捞砂工艺研究", 硅谷, no. 15 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717203A (en) * | 2023-08-09 | 2023-09-08 | 海塔石油科技有限公司 | Horizontal well sand discharging device and use method |
| CN116717203B (en) * | 2023-08-09 | 2023-10-10 | 海塔石油科技有限公司 | Horizontal well sand discharging device and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114941510B (en) | 2024-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203081411U (en) | Antiseptic, anti-scale and gas-lift integral completion pipe string | |
| CN203081417U (en) | Multifunctional integrated gas lift technique pipe column | |
| CN101078336A (en) | Low-pressure well negative pressure continuous sand washing technique | |
| CN114941510A (en) | Circulation unblocking sand fishing process system | |
| CN203175448U (en) | Rotary jet flow negative pressure suction composite blockage removal device | |
| CN109779563B (en) | Combined oil pump for preventing well flushing from polluting oil layer | |
| CN208137872U (en) | A kind of jet stream de-plugging tubing string | |
| CN210714529U (en) | Tunnel foundation pit dewatering well washing device | |
| CN109879465B (en) | Underground filtering-precipitating device for loose sandstone thermal storage geothermal exploitation well | |
| CN212563173U (en) | Completion jet flow blockage removal process pipe column for open hole screen pipe of thickened oil block horizontal well | |
| CN114278250B (en) | Marine low-pressure gas well fixed-point dragging continuous liquid drainage pipe column and liquid drainage method thereof | |
| CN214883774U (en) | Foundation pit dewatering and water stopping device | |
| CN110685622A (en) | Uniform jet flow blockage removal and filling integrated process pipe column and method | |
| CN209873835U (en) | Novel recharge well structure | |
| CN112127858A (en) | Negative pressure flow-back blockage removing process for oil field | |
| CN211146942U (en) | Recharge system after geothermal water utilization | |
| CN113062699A (en) | Process method for carrying out layered injection well flushing by utilizing nitrogen injection | |
| CN202338239U (en) | Sand bucket realizing partial reverse circulating flushing | |
| CN111502623A (en) | Tubular sand washing and steam injection device and process | |
| CN216588511U (en) | Sand washing device of sandstone geothermal well | |
| CN203374256U (en) | Leakage-prevention blowout-prevention well washing flow string | |
| CN209875108U (en) | Combined oil-well pump for preventing well-flushing from polluting oil layer | |
| CN114278249B (en) | Marine low-pressure horizontal gas well immobile pipe string composite synergistic liquid drainage pipe string and liquid drainage method thereof | |
| CN107420054B (en) | Oil well sand washing pipe column, use method thereof and oil well sand washing system | |
| CN218150825U (en) | Structure is taken out to coal seam gas well tubular pump well-flushing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240207 Address after: Room 103, former office building, Yongxiang Community, Bohai Street, Xinglongtai District, Panjin City, Liaoning Province, 124000 Applicant after: Panjin Borui Petroleum Engineering Co.,Ltd. Country or region after: China Address before: Room 1601, Unit 3, Building 1, Xinyihe Community, Henan Community, Bohai Street, Xinglongtai District, Panjin City, Liaoning Province, 124011 Applicant before: Cheng Xianda Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |