CN201145985Y - Combustion drive three-dimensional physical analog pressure-covering apparatus - Google Patents
Combustion drive three-dimensional physical analog pressure-covering apparatus Download PDFInfo
- Publication number
- CN201145985Y CN201145985Y CNU2008200163761U CN200820016376U CN201145985Y CN 201145985 Y CN201145985 Y CN 201145985Y CN U2008200163761 U CNU2008200163761 U CN U2008200163761U CN 200820016376 U CN200820016376 U CN 200820016376U CN 201145985 Y CN201145985 Y CN 201145985Y
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- dimensional physical
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- plunger
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Abstract
The utility model relates to a combustion drive three-dimensional physical simulation pressing device which comprises an upper cover, a fixing frame, a piston assembly, a piston cap, a piston sleeve and a reinforced layer. The piston assembly is an upper-lower body structure, the upper end is a plunger piston which is orderly connected with the fixing frame, the reinforced layer and a trial model upper cover, and the lower end is a piston, the plunger piston is contacted with the piston. The piston is installed inside the piston sleeve. The upper part of the piston sleeve is equipped with the piston cap, and the external lower part is inside a caulking ring. The combustion drive three-dimensional physical simulation pressing device has the characteristics that the pressure of a simulated oil reservoir is less than or equal to that of a (n) upper / lower cover layer and crude oil in a trial oil reservoir is not caused to flow up and down and left and right. The pressing device is mainly applied to the combustion drive three-dimensional physical simulation during petroleum exploitation and similar occasions.
Description
One, technical field
The utility model relates to petroleum thermal recovery combustion drive technology laboratory testing rig, relates in particular to a kind of combustion driven three-dimensional physical analogue and covers pressure device.
Two, background technology
The fire flooding physical analogue device that uses adopts long column shape structure at present, do not establish and cover pressure device, can simulate the combustion drive situation, but it also exists following shortcoming or deficiency simultaneously: 1. can only carry out the one dimension simulated experiment, study parameter only for oil reservoir basis combustion parameter, as: crude oil burning-point, fuel content, H/C ratio, air consumption, one dimension simulation recovery ratio etc.; 2. can only study the axial advance rule of burning leading edge, can't estimate that fireflood leading edge plane advances and the situation of the rule of spread and pressure thereof, pressure reduction; 3. can't further investigate combustion drive mechanism, little to on-the-spot reservoir management directive function, directly influenced the development prospect of combustion drive oil production technology.
Three, summary of the invention
The purpose of this utility model provides a kind of improved combustion driven three-dimensional physical analogue and covers pressure device, shortcoming or deficiency that it can overcome effectively or avoid existing in the above-mentioned prior art, the mode that adopts hydraulic jack to match with piston assembly, so that test oil reservoir top is under the state of certain pressure all the time, simulation square 5 or 9 well patterns, advance and the spread rule on fireflood leading edge plane, further investigation combustion drive mechanism provides important directive function to the dynamic reservoir management of site test.
Combustion driven three-dimensional physical analogue described in the utility model covers pressure device, comprise loam cake, fixed mount, piston assembly, piston cap, piston bush and enhancement Layer, described piston assembly is a body structure up and down, the upper end is a plunger, is connected with fixed mount, enhancement Layer and test model loam cake on it in turn, and the lower end is a piston, plunger contacts with piston, piston is installed in the piston bush, and piston bush top is equipped with piston cap, and peripheral Lower Half is in spacer ring.
Wherein, described fixed mount is a bowl structure, and the bottom links to each other with plunger, and top is connected with enhancement Layer, and enhancement Layer is fixed in test model loam cake inner top, and the middle part is equipped with the oil fuel tube that stretches out enhancement Layer and test unit loam cake.Described piston is installed in the piston bush, and the upper end is equipped with piston cap, and this lid center is provided with through hole.The upper body of described piston assembly is the circular member that the center is provided with through hole, and lower body is the disc-shaped component that the center is provided with projection, puts on the central through hole of body and piston cap on this projection.
The utility model has following advantage compared with prior art:
1, the test oil reservoir adopts and covers pressure device, can carry out 5 on square or 9 well patterns smoothly, exactly, carries out the fire flooding physical analogue experiment of three-dimensional dry combustion and wet combustion.
Guarantee in the air injection process of in-situ combustion that 2, the pressure of the inner oil reservoir of model is lower than the pressure that equals upper and lower cap rock.
3, under the maximum temperature of fireflood test and pressure condition, can guarantee crude oil and the not cap rock channelling up and down of output gas in the oil reservoir, can be along upper and lower two the interface channelling of oil reservoir yet.
3, the piston of model and oil reservoir contact portion adopt alumina ceramic material, and its coefficient of heat conductivity is at 0.55～0.60W/ (m. ℃), guarantee the similarity of diabatic process in the fireflood process and temperature field and stratum prototype.
Four, description of drawings
Accompanying drawing is a kind of structural representation of the present utility model.
Five, embodiment
Consult accompanying drawing, a kind of combustion driven three-dimensional physical analogue covers pressure device, comprise loam cake, fixed mount, piston assembly, piston cap, piston bush and enhancement Layer, described piston assembly is a body structure up and down, and the upper end is a plunger 7, be connected with fixed mount 5, enhancement Layer 3 and test model loam cake 4 on it in turn, the lower end is a piston 8, and plunger 7 contacts with piston 8, and piston 8 is installed in the piston bush 1, piston bush 1 top is equipped with piston cap 2, and peripheral Lower Half is in spacer ring 9.
Fixed mount 5 is a bowl structure, and the bottom links to each other with plunger 7, and top is connected with enhancement Layer 3, and enhancement Layer 3 is fixed in test model loam cake 4 inner tops, and the middle part is equipped with the oil fuel tube 6 that stretches out enhancement Layer 3 and test unit loam cake 4.Piston is installed in the piston bush 1, and the upper end is equipped with piston cap 2, and this lid center is provided with through hole.The upper body of piston assembly is the circular member that the center is provided with through hole, and lower body is the disc-shaped component that the center is provided with projection, puts on the central through hole of body and piston cap 2 on this projection.
Claims (4)
1, a kind of combustion driven three-dimensional physical analogue covers pressure device, comprise loam cake, fixed mount, piston assembly, piston cap, piston bush and enhancement Layer, it is characterized in that described piston assembly is body structure up and down, the upper end is a plunger, is connected with fixed mount, enhancement Layer and test model loam cake on it in turn, and the lower end is a piston, plunger contacts with piston, piston is installed in the piston bush, and piston bush top is equipped with piston cap, and peripheral Lower Half is in spacer ring.
2, combustion driven three-dimensional physical analogue according to claim 1 covers pressure device, it is characterized in that described fixed mount is a bowl structure, the bottom links to each other with plunger, top is connected with enhancement Layer, enhancement Layer is fixed in test model loam cake inner top, and the middle part is equipped with the oil fuel tube that stretches out enhancement Layer and test unit loam cake.
3, combustion driven three-dimensional physical analogue according to claim 1 covers pressure device, it is characterized in that described piston is installed in the piston bush, and the upper end is equipped with piston cap, and this lid center is provided with through hole.
4, cover pressure device according to claim 1 or 3 described combustion driven three-dimensional physical analogues, the upper body that it is characterized in that described piston assembly is the circular member that the center is provided with through hole, lower body is the disc-shaped component that the center is provided with projection, puts on the central through hole of body and piston cap on this projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200163761U CN201145985Y (en) | 2008-01-19 | 2008-01-19 | Combustion drive three-dimensional physical analog pressure-covering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200163761U CN201145985Y (en) | 2008-01-19 | 2008-01-19 | Combustion drive three-dimensional physical analog pressure-covering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201145985Y true CN201145985Y (en) | 2008-11-05 |
Family
ID=40082868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200163761U Expired - Fee Related CN201145985Y (en) | 2008-01-19 | 2008-01-19 | Combustion drive three-dimensional physical analog pressure-covering apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201145985Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858211A (en) * | 2010-05-18 | 2010-10-13 | 中国石油天然气股份有限公司 | Method and device for simulating formation pressure in three-dimensional simulation test for oil extraction by injecting multi-element thermal fluid |
| CN104122295A (en) * | 2014-07-25 | 2014-10-29 | 中国石油大学(北京) | Combustion cell experimental device, experimental device capable of measuring activation energy and measurement method |
-
2008
- 2008-01-19 CN CNU2008200163761U patent/CN201145985Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858211A (en) * | 2010-05-18 | 2010-10-13 | 中国石油天然气股份有限公司 | Method and device for simulating formation pressure in three-dimensional simulation test for oil extraction by injecting multi-element thermal fluid |
| CN101858211B (en) * | 2010-05-18 | 2012-12-12 | 中国石油天然气股份有限公司 | Method and device for simulating formation pressure in three-dimensional simulation test for oil extraction by injecting multi-element thermal fluid |
| CN104122295A (en) * | 2014-07-25 | 2014-10-29 | 中国石油大学(北京) | Combustion cell experimental device, experimental device capable of measuring activation energy and measurement method |
| CN104122295B (en) * | 2014-07-25 | 2016-10-12 | 中国石油大学(北京) | Combustion cell experimental provision, the experimental provision that activation energy can be measured and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 |