CN110939420A - Thick oil thermal recovery layering injection and recovery integrated pipe column tool - Google Patents
Thick oil thermal recovery layering injection and recovery integrated pipe column tool Download PDFInfo
- Publication number
- CN110939420A CN110939420A CN201911406028.4A CN201911406028A CN110939420A CN 110939420 A CN110939420 A CN 110939420A CN 201911406028 A CN201911406028 A CN 201911406028A CN 110939420 A CN110939420 A CN 110939420A
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- Prior art keywords
- layered
- oil
- valve
- injection
- packer
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- 238000002347 injection Methods 0.000 title claims abstract description 76
- 239000007924 injection Substances 0.000 title claims abstract description 76
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 239000003921 oil Substances 0.000 claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 claims abstract description 50
- 239000003129 oil well Substances 0.000 claims abstract description 25
- 239000000295 fuel oil Substances 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000007774 longterm Effects 0.000 claims 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention provides a thick oil thermal recovery layered injection and production integrated pipe column tool, which comprises a telescopic pipe, a long-acting layered packer, a layered production valve, a layered injection valve, a release sealer and an injection and production integrated oil well pump used in a matched manner, and is characterized in that: the long-acting layered packer is arranged at the bottom of the telescopic pipe and connected with the telescopic pipe through an oil pipe, the layered oil production valve comprises a first layered oil production valve and a second layered oil production valve, the layered injection valve comprises a first layered injection valve and a second layered injection valve, the first layered oil production valve and the first layered injection valve are sequentially arranged at the bottom of the long-acting layered packer, and the second layered oil production valve and the second layered injection valve are sequentially arranged at the bottom of the release type sealer; the invention realizes the quantitative injection of steam into the stratum, improves the turn yield of the heavy oil well, is used for many turns under the well, saves the well repairing cost, shortens the operation time and improves the well opening rate.
Description
Technical Field
The invention relates to a tubular column tool, in particular to a thick oil thermal recovery layered injection and recovery integrated tubular column tool.
Background
In the process of thickened oil steam injection huff and puff development, the phenomenon of uneven longitudinal oil layer utilization degree is caused due to the influence of steam overspread and geological structure, the steam suction volume of an upper oil layer is large, the utilization degree is high, the suction volume of a lower oil layer is small, the utilization degree is small, and in order to solve the problem, separate injection tools such as ball injection and steam distribution are developed, but the separate injection tools need well workover operation every turn, and the oil well pump is put into the thickened oil steam injection huff and puff after the tools are taken out, so that the well workover cost is wasted, and the well opening efficiency is reduced. At present, because a part of oil fields use an injection and production integrated oil well pump, the oil well pump can be used for underground multi-turn production, but the existing separate injection tool cannot be used for underground multi-turn production. Therefore, the thick oil thermal recovery layered injection-production integrated tubular column tool which can be used for multiple times in the underground, reduces the well repair cost and improves the well-opening efficiency becomes a problem to be solved urgently in the whole society.
Disclosure of Invention
The invention aims to solve the technical problems that the prior art cannot be used for multiple times underground, the well repairing cost is wasted, the well opening efficiency is reduced and the like. In order to solve the problems, the invention provides a thick oil thermal recovery layered injection and production integrated pipe column tool, which comprises a telescopic pipe, a long-acting layered packer, a layered oil recovery valve, a layered injection valve, a release type sealer and an injection and production integrated oil well pump used in a matched manner, and is characterized in that: the telescopic pipe is arranged at the bottom of the injection-production integrated oil well pump and fixedly connected with the injection-production integrated oil well pump, and is used for offsetting pump efficiency loss caused by heat loss;
the long-acting layered packer is arranged at the bottom of the telescopic pipe and is connected with the telescopic pipe through an oil pipe, and the long-acting layered packer is used for protecting the oil and the sleeve pipe from being damaged by steam;
the layered oil extraction valve comprises a first layered oil extraction valve and a second layered oil extraction valve, and is used for oil extraction in a turn after steam is injected; the layered injection valve comprises a first layered injection valve and a second layered injection valve, and the layered injection valve is used for realizing quantitative injection of steam;
the first layered oil production valve and the first layered injection valve are sequentially arranged at the bottom of the long-acting layered packer, and the first layered oil production valve is connected with the long-acting layered packer through an oil pipe; the second layered oil production valve and the second layered injection valve are sequentially arranged at the bottom of the release type sealer, the second layered oil production valve is connected with the release type sealer through an oil pipe, the release type sealer is used for achieving layered injection of steam, a plug is arranged at the bottom of the second layered injection valve, and the second layered injection valve is connected with the plug through the oil pipe.
Further, a sleeve is arranged outside the separate injection tool, and the outer walls of the long-acting layered packer and the release sealer are matched with the inner wall of the sleeve.
Furthermore, the long-acting layered packer and the release type sealer are both made of high-temperature-resistant materials.
Compared with the prior art, the invention has the advantages that: the invention adopts the extension tube, the long-acting layered packer, the layered oil extraction valve, the layered injection valve, the release sealer and the injection-extraction integrated oil well pump which is used in a matched way, thereby realizing the quantitative injection of steam into the stratum and improving the turn yield and the oil-steam ratio of the heavy oil well; the oil pump is matched with an injection and production integrated oil well pump for use for multiple times underground, so that the well repairing cost and the operation time are saved, and the well opening rate of an oil well is improved; the problems that the prior art cannot be used for multiple times under the well, well repairing cost is wasted, and well opening efficiency is reduced are solved; the invention has reasonable design and is worth popularizing.
Drawings
FIG. 1 is a schematic structural diagram of a heavy oil thermal recovery layered injection-production integrated pipe column tool;
as shown in the figure: 1. the device comprises a telescopic pipe, 2, a long-acting layered packer, 3, a layered oil production valve, 4, a layered injection valve, 5, a release type sealer, 6, an injection and production integrated oil well pump, 7, an oil pipe, 8, a first layered oil production valve, 9, a second layered oil production valve, 10, a first layered injection valve, 11, a second layered injection valve, 12, a plug, 13 and a sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present invention will be described in detail with reference to fig. 1.
The invention provides a thick oil thermal recovery layered injection and production integrated pipe column tool in specific implementation, which comprises a telescopic pipe 1, a long-acting layered packer 2, a layered production valve 3, a layered injection valve 4, a release sealer 5 and an injection and production integrated oil well pump 6 which is matched with the layered production valve, and is characterized in that: the telescopic pipe 1 is arranged at the bottom of the injection-production integrated oil well pump 6, the telescopic pipe 1 is fixedly connected with the injection-production integrated oil well pump 6, and the telescopic pipe 1 is used for offsetting pump efficiency loss caused by heat loss;
the long-acting layered packer 2 is arranged at the bottom of the telescopic pipe 1, the long-acting layered packer 2 is connected with the telescopic pipe 1 through an oil pipe 7, and the long-acting layered packer 2 is used for protecting oil and a sleeve from being damaged by steam;
the layered oil extraction valve 3 comprises a first layered oil extraction valve 8 and a second layered oil extraction valve 9, and the layered oil extraction valve 3 is used for oil extraction in a turn after steam is injected; the layered injection valve 4 comprises a first layered injection valve 10 and a second layered injection valve 11, and the layered injection valve 4 is used for realizing quantitative injection of steam;
the first layered oil production valve 8 and the first layered injection valve 10 are sequentially arranged at the bottom of the long-acting layered packer 2, and the first layered oil production valve 8 is connected with the long-acting layered packer 2 through an oil pipe 7; the second layered oil extraction valve 9 and the second layered injection valve 11 are sequentially arranged at the bottom of the release type sealer 5, the second layered oil extraction valve 9 is connected with the release type sealer 5 through an oil pipe 7, the release type sealer 5 is used for achieving layered injection of steam, a plug 12 is arranged at the bottom of the second layered injection valve 11, and the second layered injection valve 11 is connected with the plug 12 through the oil pipe 7.
And a sleeve 13 is arranged outside the separate injection tool, and the outer walls of the long-acting layered packer 2 and the release type sealer 5 are matched with the inner wall of the sleeve 13.
The long-acting layered packer 2 and the release type sealer 5 are both made of high-temperature-resistant materials.
The specific implementation process of the thick oil thermal recovery layered injection and recovery integrated pipe column tool comprises the following steps: when the oil-well pump is used, firstly, a telescopic pipe 1 is arranged at the bottom of an injection-production integrated oil-well pump 6, the bottom of the telescopic pipe 1 is connected with a long-acting layered packer 2 remover through an oil pipe 7, the bottom of the long-acting layered packer 2 is connected with a first layered oil production valve 8 and a first layered injection valve 10 through the oil pipe 7, the bottom of the first layered injection valve 10 is connected with a release sealer 5 through the oil pipe 7, the bottom of the release sealer 5 is connected with a second layered oil production valve 9 and a second layered injection valve 11 through the oil pipe 7, and the bottom of the second layered injection valve 11 is connected with a plug 12 through the oil pipe 7;
the bottom of the injection-production integrated oil well pump 6 is connected with external equipment through an oil pipe 7, so that the injection-production integrated oil well pump 6 works, the injection-production integrated oil well pump 6 drives the telescopic pipe 1 to work, the first layered injection valve 10 injects quantitative steam, and after steam injection is completed, the first layered oil extraction valve performs oil extraction for 8 times; meanwhile, the second layered injection valve 11 injects quantitative steam, and after the steam injection is finished, the second layered oil extraction valve 9 performs oil extraction for a turn; the long-acting layered packer 2 seals steam injected by the first layered injection valve 10 between the long-acting layered packer 2 and the release sealer 5; the release sealer 5 seals the steam injected by the second split injection valve 11 below the release sealer 5.
The invention adopts the extension tube 1, the long-acting layered packer 2, the layered oil extraction valve 3, the layered injection valve 4, the release sealer 5 and the injection-extraction integrated oil well pump 6 which is used in a matching way, thereby realizing the quantitative injection of steam into the stratum and improving the turn yield and the oil-steam ratio of the heavy oil well; the oil pump is matched with the injection and production integrated oil well pump 6 for use for multiple times underground, so that the well repairing cost and the operation time are saved, and the well opening rate of an oil well is improved; the problems that the prior art cannot be used for multiple times under the well, well repairing cost is wasted, and well opening efficiency is reduced are solved; the invention has reasonable design and is worth popularizing.
The present invention and its embodiments have been described above, but the description is not limitative, 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 (3)
1. The utility model provides a thick oil thermal recovery layering is annotated and is adopted integrative tubular column instrument, includes flexible pipe (1), long-term layering packer (2), layering production valve (3), layering injection valve (4), release sealer (5) and supporting notes of using adopt integrative oil-well pump (6), its characterized in that: the telescopic pipe (1) is arranged at the bottom of the injection-production integrated oil well pump (6), the telescopic pipe (1) is fixedly connected with the injection-production integrated oil well pump (6), and the telescopic pipe (1) is used for offsetting pump efficiency loss caused by heat loss;
the long-acting layered packer (2) is arranged at the bottom of the telescopic pipe (1), the long-acting layered packer (2) is connected with the telescopic pipe (1) through an oil pipe (7), and the long-acting layered packer (2) is used for protecting oil and a sleeve from being damaged by steam;
the layered oil extraction valve (3) comprises a first layered oil extraction valve (8) and a second layered oil extraction valve (9), and the layered oil extraction valve (3) is used for oil extraction in a turn after steam is injected; the layered injection valve (4) comprises a first layered injection valve (10) and a second layered injection valve (11), and the layered injection valve (4) is used for realizing quantitative injection of steam;
the first layered oil production valve (8) and the first layered injection valve (10) are sequentially arranged at the bottom of the long-acting layered packer (2), and the first layered oil production valve (8) is connected with the long-acting layered packer (2) through an oil pipe (7); second branch layer oil production valve (9), second branch layer injection valve (11) set gradually in release formula sealer (5) bottom, second branch layer oil production valve (9) are connected with release formula sealer (5) through oil pipe (7), the effect of release formula sealer (5) is that realize the layering and pour into steam, second branch layer injection valve (11) bottom is equipped with plug (12), second branch layer injection valve (11) are connected with plug (12) through oil pipe (7).
2. The heavy oil thermal recovery layering injection and production integrated pipe string tool is characterized in that a casing (13) is arranged outside the injection tool, and the outer walls of the long-acting layering packer (2) and the release type sealer (5) are matched with the inner wall of the casing (13).
3. The heavy oil thermal recovery layered injection-production integrated tubular column tool according to claim 3, wherein the long-acting layered packer (2) and the release sealer (5) are both made of high-temperature-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406028.4A CN110939420A (en) | 2019-12-31 | 2019-12-31 | Thick oil thermal recovery layering injection and recovery integrated pipe column tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406028.4A CN110939420A (en) | 2019-12-31 | 2019-12-31 | Thick oil thermal recovery layering injection and recovery integrated pipe column tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110939420A true CN110939420A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911406028.4A Pending CN110939420A (en) | 2019-12-31 | 2019-12-31 | Thick oil thermal recovery layering injection and recovery integrated pipe column tool |
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| CN (1) | CN110939420A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202215220U (en) * | 2011-09-23 | 2012-05-09 | 中国石油天然气股份有限公司 | Concentric type layered steam-driven underground process pipe column |
| WO2014000097A1 (en) * | 2012-06-29 | 2014-01-03 | Nexen Energy Ulc | Uplifted single well steam assisted gravity drainage system and process |
| CN104373095A (en) * | 2014-09-15 | 2015-02-25 | 中国石油天然气股份有限公司 | Hollow layered steam injection system |
| CN205778790U (en) * | 2016-05-30 | 2016-12-07 | 中国石油天然气股份有限公司 | Layered steam injection pipe column and injection and production system |
| CN106555574A (en) * | 2015-09-25 | 2017-04-05 | 中国石油化工股份有限公司 | Sand control, steam injection integrated apparatus and method |
| CN206129253U (en) * | 2016-10-26 | 2017-04-26 | 中国石油化工股份有限公司 | Horizontal well is annotated and is adopted integrated device |
| CN106837294A (en) * | 2016-12-22 | 2017-06-13 | 中国石油大学(北京) | Super-hydrophobic downhole separation system and its single-well injection-production process pipe string |
| CN109322647A (en) * | 2017-07-31 | 2019-02-12 | 中国石油天然气股份有限公司 | Layered injection-production integrated pipe column and process |
| CN110094191A (en) * | 2018-01-29 | 2019-08-06 | 中国石油化工股份有限公司 | A kind of thermal production well fragment-force injection-production column jacket and method |
-
2019
- 2019-12-31 CN CN201911406028.4A patent/CN110939420A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202215220U (en) * | 2011-09-23 | 2012-05-09 | 中国石油天然气股份有限公司 | Concentric type layered steam-driven underground process pipe column |
| WO2014000097A1 (en) * | 2012-06-29 | 2014-01-03 | Nexen Energy Ulc | Uplifted single well steam assisted gravity drainage system and process |
| CN104373095A (en) * | 2014-09-15 | 2015-02-25 | 中国石油天然气股份有限公司 | Hollow layered steam injection system |
| CN106555574A (en) * | 2015-09-25 | 2017-04-05 | 中国石油化工股份有限公司 | Sand control, steam injection integrated apparatus and method |
| CN205778790U (en) * | 2016-05-30 | 2016-12-07 | 中国石油天然气股份有限公司 | Layered steam injection pipe column and injection and production system |
| CN206129253U (en) * | 2016-10-26 | 2017-04-26 | 中国石油化工股份有限公司 | Horizontal well is annotated and is adopted integrated device |
| CN106837294A (en) * | 2016-12-22 | 2017-06-13 | 中国石油大学(北京) | Super-hydrophobic downhole separation system and its single-well injection-production process pipe string |
| CN109322647A (en) * | 2017-07-31 | 2019-02-12 | 中国石油天然气股份有限公司 | Layered injection-production integrated pipe column and process |
| CN110094191A (en) * | 2018-01-29 | 2019-08-06 | 中国石油化工股份有限公司 | A kind of thermal production well fragment-force injection-production column jacket and method |
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Application publication date: 20200331 |