CN112012730A - Three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device - Google Patents
Three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device Download PDFInfo
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- CN112012730A CN112012730A CN202010965694.8A CN202010965694A CN112012730A CN 112012730 A CN112012730 A CN 112012730A CN 202010965694 A CN202010965694 A CN 202010965694A CN 112012730 A CN112012730 A CN 112012730A
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- pressure
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- shell
- saturation
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- 238000004088 simulation Methods 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 46
- 238000005056 compaction Methods 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 239000006004 Quartz sand Substances 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 230000005465 channeling Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000003921 oil Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- 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
- E21B47/00—Survey of boreholes or wells
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/40—Controlling or monitoring, e.g. of flood or hurricane; Forecasting, e.g. risk assessment or mapping
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to the technical field of oil extraction engineering, in particular to a three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device, which solves the problems that the existing sand-filling simulation mode has large difference with the site, quartz sand is easy to move, and the pore medium and the boundary in the model are easy to channeling. The device comprises a shell, a liquid injection assembly, a pressure maintaining assembly, a data acquisition system and a vibration pump, wherein the shell is of a sealing structure, and the data acquisition system and a simulated stratum are positioned in the shell; the liquid injection assembly is used for injecting liquid into the shell; the pressure maintaining assembly is used for compacting a simulated formation in the shell and maintaining the pressure of the simulated formation; the data acquisition system is used for acquiring data of a pressure field and a saturation field; the vibration pump is used for exhausting gas contained in the simulated stratum in the shell. The invention has the advantages of simulating the pressure of the overlying strata of the stratum, realizing the real-time dynamic monitoring of the pressure field and the saturation field under the condition of three-dimensional heterogeneous radial flow and the like.
Description
Technical Field
The invention relates to the technical field of oil extraction engineering, in particular to a three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device.
Background
The Daqing oil field is an old oil field with high water content in China, and has the defects of low water drive efficiency, serious ineffective water circulation and great difficulty in controlling water content and controlling degressive force. Three-dimensional physical simulation is one of the main means for researching the enhanced oil recovery. The current three-dimensional sand filling model simulation mode has large difference from the actual mode, quartz sand is easy to move, and the pore medium and the boundary in the model are easy to flow, so that the real-time dynamic recording of the pressure field and the saturation field before, in and after the injection of the flowing gel is inaccurate, and the requirement of accurate simulation cannot be met.
Disclosure of Invention
The invention aims to provide a three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device which can simulate the pressure of an overlying strata layer of a stratum and realize real-time dynamic monitoring of a pressure field and a saturation field.
The technical scheme of the invention is as follows: a three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device comprises:
the shell is a sealing structure;
the liquid injection assembly is used for injecting liquid into the shell;
a pressure maintaining assembly for compacting the simulated formation within the housing and maintaining a simulated formation pressure;
the data acquisition system is used for acquiring data of the pressure field and the saturation field; and
the vibration pump is used for exhausting gas contained in the simulated stratum in the shell;
the data acquisition system includes: a saturation probe, a pressure probe;
the saturation probes and the pressure probes are arranged in a simulated stratum in the shell in multiple layers;
the saturation probes and the pressure probes are transversely arranged in a matrix arrangement mode in the simulated stratum; the saturation probes and the pressure probes are arranged in the simulated formation in a longitudinally equally spaced array.
According to the three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device, preferably, each horizontal layer of the saturation probes is uniformly arranged in a simulated stratum in a matrix arrangement mode; each layer of the pressure probes in the transverse direction is uniformly arranged in the simulated stratum in a matrix arrangement mode; the saturation probes and the pressure probes are uniformly arranged in the simulated stratum at equal intervals in the longitudinal direction.
According to a three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device of the present invention, preferably, the pressure-maintaining assembly includes: the hand pump, the first-level valve, the compaction cover and the pressure-maintaining cylinder;
the hand pump is sequentially connected with the primary valve and the pressure-maintaining cylinder; the pressure maintaining cylinder is connected with the compaction cover at the upper part and is distributed around the compaction cover;
according to the three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device, preferably, a piston type screw bolt and a piston are arranged inside the pressure-maintaining cylinder, and a liquid inlet hole and an exhaust hole are formed in the side wall of the pressure-maintaining cylinder; a piston type screw bolt in the pressure-maintaining cylinder is connected with the compaction cover at the upper part, and the bottom of the piston type screw bolt is connected with the piston; the liquid inlet hole on the side wall of the pressure-maintaining cylinder is positioned at the upper part of the piston, and the exhaust hole is positioned at the lower part of the piston.
According to a three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device of the present invention, preferably, the housing includes: the top cover, the bottom plate and the coaming;
the upper part of the enclosing plate is connected with the top cover, the lower part of the enclosing plate is connected with the bottom plate, and simulation wells are uniformly distributed on the peripheral wall of the enclosing plate; the data acquisition system and the simulated formation are located in a housing.
According to the three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device, a vibration pump is preferably installed on the lower portion of the bottom plate of the device.
According to the three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device, preferably, the liquid injection assembly comprises: a secondary valve, a simulation well, an intermediate container and a high-pressure injection pump;
the high-pressure injection pump is sequentially connected with the intermediate container, the secondary valve and the simulation well.
The invention has the beneficial effects that:
the invention provides a three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device, which realizes real-time dynamic monitoring of a pressure field and a saturation field under the condition of three-dimensional heterogeneous radial flow and determines the dynamic change rule of the pressure field and the saturation field.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a plan view of a saturation probe and pressure probe within a data acquisition system;
FIG. 3 is a cross-sectional view of a saturation probe and a pressure probe within a data acquisition system;
FIG. 4 is a longitudinal profile of a saturation probe and pressure probe within a data acquisition system.
In the figure: 1 hand pump, 2 first-stage valves, 3 top covers, 4 compaction covers, 5 piston screw bolts, 6 liquid inlet holes, 7 pistons, 8 exhaust holes, 9 pressure-maintaining cylinders, 10 second-stage valves, 11 simulation wells, 12 middle containers, 13 high-pressure injection pumps, 14 saturation probes, 15 pressure probes, 16 vibration pumps, 17 bottom plates and 18 coamings.
Detailed description of the preferred embodimentsthe present invention will be described in further detail below with reference to fig. 1-4 and specific examples. The device comprises a shell, a liquid injection assembly, a pressure maintaining assembly, a data acquisition system and a vibration pump 16;
the data acquisition system is used for acquiring data of the pressure field and the saturation field; the data acquisition system includes: a saturation probe 14, a pressure probe 15;
the saturation probe 14 and the pressure probe 15 are arranged in multiple layers in the simulated stratum inside the shell;
the saturation probes 14 and the pressure probes 15 are arranged in a matrix arrangement in the simulated formation in the lateral direction; the saturation probes 14 and the pressure probes 15 are arranged in the simulated formation in a longitudinally equally spaced array.
Each layer of the saturation probes 14 in the transverse direction is uniformly arranged in the simulated stratum in a matrix arrangement mode; each layer of the pressure probes 15 is uniformly arranged in the simulated formation in a matrix arrangement mode in the transverse direction; the saturation probes 14 and the pressure probes 15 are evenly arranged in the simulated formation at equal intervals in the longitudinal direction.
The pressure maintaining assembly is used for compacting the simulated stratum in the shell and maintaining the pressure of the simulated stratum; the pressurize subassembly includes: the device comprises a hand pump 1, a primary valve 2, a compaction cover 4 and a pressure maintaining cylinder 9;
the hand pump 1 is sequentially connected with a primary valve 2 and a pressure maintaining cylinder 9; the pressure maintaining cylinder 9 is connected with the compaction cover 4 at the upper part and is distributed around the compaction cover 4;
a piston type screw bolt 5 and a piston 7 are arranged in the pressure-maintaining cylinder 9, and a liquid inlet hole 6 and an exhaust hole 8 are arranged on the side wall; a piston type screw bolt 5 in the pressure-maintaining cylinder 9 is connected with the compaction cover 4 at the upper part, and the bottom of the piston type screw bolt 5 is connected with a piston 7; the liquid inlet hole 6 on the side wall of the pressure maintaining cylinder 9 is positioned at the upper part of the piston 7, and the exhaust hole 8 is positioned at the lower part of the piston 7.
The shell is a sealing structure; the housing includes: the top cover 3, the bottom plate 17 and the coaming 18;
the upper part of the enclosing plate 18 is connected with the top cover 3, the lower part of the enclosing plate 18 is connected with the bottom plate 17, and simulation wells 11 which are uniformly distributed are arranged on the peripheral wall of the enclosing plate 18; the data acquisition system and the simulated formation are located in a housing.
The vibration pump 16 is used for exhausting the gas contained in the simulated stratum in the shell; the lower part of the device bottom plate 17 is provided with a vibration pump 16.
The liquid injection assembly is used for injecting liquid into the shell; annotate the liquid subassembly and include: a secondary valve 10, a simulation well 11, an intermediate container 12 and a high-pressure injection pump 13;
the high-pressure injection pump 13 is connected with the intermediate container 12, the secondary valve 10 and the simulation well 11 in sequence.
The invention is utilized to carry out three-dimensional sand filling simulation experiment, and the specific using steps are as follows:
a: after being mixed uniformly, the sand with different grain diameters and the oil are paved in the shell in layers according to the sand grain sizes, and the distribution of different heterogeneous layers is simulated.
b: and starting the vibration pump 16, under the action of the vibration pump 16, continuously sinking and compacting the sand in the simulated formation in the shell to be compact, continuously discharging the gas contained in the simulated formation, and finally simulating that the formation reaches a fully compact and saturated state.
c: opening the primary valve 2, pressurizing by using the hand pressure pump 1, allowing hydraulic oil to enter the pressure maintaining cylinder 9 from the liquid inlet hole 6, gradually increasing the pressure in the pressure maintaining cylinder 9 along with the continuous entering of the hydraulic oil, so that the piston 7 in the pressure maintaining cylinder 9 moves downwards, driving the piston screw bolt 5 to move downwards while the piston 7 moves downwards, applying a downward pulling force to the compaction cover 4 when the piston screw bolt 5 moves downwards, and simulating the overburden pressure of the stratum more truly by the downward pulling force, wherein the highest downward pulling force can reach 20 MPa.
d: opening a second-stage valve 10, adding water into an intermediate container 12, starting a high-pressure injection pump 13, enabling the water in the intermediate container 12 to enter a simulation well 11 through the second-stage valve 10, wherein the process of continuously injecting water into the simulation well 11 is the process of performing water drive on a simulation stratum, and real-time dynamic monitoring of a saturation field and a pressure field in the water drive process is realized through a saturation probe 14 and a pressure probe 15 which are arranged in multiple layers in the simulation stratum, so that the dynamic change rule of the pressure field and the saturation field is finally determined.
Claims (7)
1. The utility model provides a three-dimensional sand-packed pressurize prevents scurring model analogue means which characterized in that: it comprises
The shell is a sealing structure;
the liquid injection assembly is used for injecting liquid into the shell;
a pressure maintaining assembly for compacting the simulated formation within the housing and maintaining a simulated formation pressure;
the data acquisition system is used for acquiring data of the pressure field and the saturation field; and
a vibration pump (16), wherein the vibration pump (16) is used for exhausting gas contained in the simulated stratum in the shell;
the data acquisition system includes: a saturation probe (14), a pressure probe (15);
the saturation probe (14) and the pressure probe (15) are arranged in multiple layers in a simulated stratum inside the shell; the saturation probes (14) and the pressure probes (15) are transversely arranged in a matrix arrangement in the simulated formation; the saturation probes (14) and the pressure probes (15) are arranged in the simulated formation in a longitudinally equidistant arrangement.
2. The three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device according to claim 1, characterized in that: each layer of the saturation probes (14) is uniformly arranged in the simulated stratum in a matrix arrangement mode in the transverse direction; each layer of the pressure probes (15) is uniformly arranged in the simulated stratum in a matrix arrangement mode in the transverse direction; the saturation probes (14) and the pressure probes (15) are uniformly arranged in the simulated stratum at equal intervals in the longitudinal direction.
3. The three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device according to claim 1, characterized in that: the pressurize subassembly includes: the device comprises a hand pump (1), a primary valve (2), a compaction cover (4) and a pressure maintaining cylinder (9);
the hand pump (1) is sequentially connected with a primary valve (2) and a pressure maintaining cylinder (9); the pressure maintaining cylinders (9) are connected with the compaction cover (4) at the upper part and distributed around the compaction cover (4).
4. The three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device according to claim 3, wherein: a piston type screw bolt (5) and a piston (7) are arranged in the pressure-maintaining cylinder (9), and a liquid inlet hole (6) and an exhaust hole (8) are formed in the side wall of the pressure-maintaining cylinder; a piston type screw bolt (5) in the pressure-maintaining cylinder (9) is connected with the compaction cover (4) at the upper part, and the bottom of the piston type screw bolt (5) is connected with a piston (7); the liquid inlet hole (6) on the side wall of the pressure-maintaining cylinder (9) is positioned at the upper part of the piston (7), and the exhaust hole (8) is positioned at the lower part of the piston (7).
5. The three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device according to claim 1, characterized in that: the housing includes: the top cover (3), the bottom plate (17) and the coaming (18);
the upper part of the coaming (18) is connected with the top cover (3), the lower part of the coaming (18) is connected with the bottom plate (17), and simulation wells (11) are uniformly distributed on the peripheral wall of the coaming (18); the data acquisition system and the simulated formation are located in a housing.
6. The three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device according to claim 5, wherein: the lower part of the device bottom plate (17) is provided with a vibration pump (16).
7. The three-dimensional sand-filling pressure-maintaining anti-channeling model simulation device according to claim 1, characterized in that: the liquid injection assembly comprises: a secondary valve (10), a simulated well (11), an intermediate container (12) and a high-pressure injection pump (13);
the high-pressure injection pump (13) is sequentially connected with the intermediate container (12), the secondary valve (10) and the simulation well (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965694.8A CN112012730B (en) | 2020-09-15 | 2020-09-15 | Three-dimensional sand filling pressure maintaining channeling-preventing model simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965694.8A CN112012730B (en) | 2020-09-15 | 2020-09-15 | Three-dimensional sand filling pressure maintaining channeling-preventing model simulation device |
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| Publication Number | Publication Date |
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| CN112012730A true CN112012730A (en) | 2020-12-01 |
| CN112012730B CN112012730B (en) | 2023-08-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114814175A (en) * | 2021-01-28 | 2022-07-29 | 中国石油天然气股份有限公司 | Three-dimensional simulation experiment device and method for foam oil |
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| KR20130125186A (en) * | 2012-05-08 | 2013-11-18 | 한국지질자원연구원 | Production simulation system for gas hydrate and the production simulation method using the same |
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| WO2017088226A1 (en) * | 2015-11-25 | 2017-06-01 | 中国科学院广州能源研究所 | Experimental apparatus and method for simulating stratum deformation in natural gas hydrate exploitation process |
| CN107642352A (en) * | 2017-10-27 | 2018-01-30 | 成都常明信息技术有限公司 | A kind of three-dimensional simulation oil development experimental provision |
| US20200217193A1 (en) * | 2016-12-06 | 2020-07-09 | Southwest Petroleum University | Mineshaft-stratum fracture coupled flowing simulation experiment device and method |
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2020
- 2020-09-15 CN CN202010965694.8A patent/CN112012730B/en active Active
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| CN102022112A (en) * | 2010-11-04 | 2011-04-20 | 中国石油大学(华东) | Intelligent oil well simulation experiment system and working method |
| KR20130125186A (en) * | 2012-05-08 | 2013-11-18 | 한국지질자원연구원 | Production simulation system for gas hydrate and the production simulation method using the same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114814175A (en) * | 2021-01-28 | 2022-07-29 | 中国石油天然气股份有限公司 | Three-dimensional simulation experiment device and method for foam oil |
| CN114814175B (en) * | 2021-01-28 | 2024-04-30 | 中国石油天然气股份有限公司 | Foam oil three-dimensional simulation experiment device and method |
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| CN112012730B (en) | 2023-08-08 |
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