CN207066938U - A kind of rock core displacement device that can convert displacement direction - Google Patents
A kind of rock core displacement device that can convert displacement direction Download PDFInfo
- Publication number
- CN207066938U CN207066938U CN201720985004.9U CN201720985004U CN207066938U CN 207066938 U CN207066938 U CN 207066938U CN 201720985004 U CN201720985004 U CN 201720985004U CN 207066938 U CN207066938 U CN 207066938U
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- China
- Prior art keywords
- valve
- holding unit
- core holding
- pipeline
- confined pressure
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Abstract
It the utility model is related to a kind of rock core displacement device that can convert displacement direction, including fluid reservoir, constant-flux pump, valve one, valve two, valve three, confined pressure sensor, confined pressure pump, fuel tank, core holding unit, differential pressure pickup, valve four.It is characterized in that：Fluid reservoir is connected with constant-flux pump arrival end, and the constant-flux pump port of export is connected with one end of valve one, and the other end of valve one is connected with core holding unit arrival end, and outlet port of rock core holder is connected with one end of valve four, the other end exit pipeline of valve four；The one end of valve two is connected between constant-flux pump and valve one, and the other end is connected between core holding unit and valve four；The one end of valve three is connected between valve one and core holding unit, and the other end is connected on the outlet line of valve four；Differential pressure pickup is arranged on core holding unit；Fuel tank is connected with the arrival end of confined pressure pump, and the port of export of confined pressure pump and the side of core holding unit connect；Confined pressure sensor is arranged between core holding unit and confined pressure pump.
Description
Technical field
Oil-gas field development field is the utility model is related to, more particularly to a kind of rock core displacement dress that can convert displacement direction
Put.
Background technology
Space of the reservoir as underground petroleum and gas reservoir, it is the main study subject of oil-gas exploration and exploitation.Storage
Layer core permeability is gas reservoir Resource Potential, productivity evaluation of gas well, the key parameter of development technique scheme working-out, and rock
Heart permeability is also to evaluate working fluid to reservoir damage and the important parameter of evaluation reservoir reconstruction effect, at present frequently with rock core
Driving device simulates the correctional effect of injury of the working fluid to stratum and simulation acid solution to reservoir, and using permeability as commenting
The parameter of valency effect.
It is to evaluate injury and acid solution of the working fluid to stratum to the correctional effect of reservoir, generally requires frequently conversion stream
The transfer process of body displacement direction, currently used rock core displacement device, its positive displacement and reverse displacement is very cumbersome, usually
Need to reconnect pipeline, operating efficiency is low.The utility model overcomes disadvantage mentioned above, and being designed with displacement translation function can be with
Realize that the fast quick-mounting of forward and reverse displacement of fluid changes, improve operating efficiency.
The content of the invention
The purpose of this utility model is to provide a kind of rock core displacement device that can convert displacement direction, to solve the above-mentioned back of the body
The problem of operating efficiency is low in scape technology.
To achieve the above object, the utility model provides following technical scheme：A kind of rock core that can convert displacement direction drives
For device, mainly including fluid reservoir, constant-flux pump, valve one, valve two, valve three, confined pressure sensor, confined pressure pump, fuel tank, rock core
Clamper, differential pressure pickup, valve four.It is characterized in that：Fluid reservoir is connected by the arrival end of pipeline and constant-flux pump, constant-flux pump
The port of export be connected by pipeline with one end of valve one, the other end of valve one passes through pipeline and the arrival end of core holding unit
Connection, the port of export of core holding unit are connected by pipeline with one end of valve four, the other end connection outlet pipeline of valve four；
The one end of valve two is connected between constant-flux pump and valve one by pipeline, and the other end of valve two is connected to rock core by pipeline and clamped
Between device and valve four；The one end of valve three is connected between valve one and core holding unit by pipeline, and the other end of valve three leads to
Pipeline is crossed to be connected on the outlet line of valve four；Differential pressure pickup is arranged on core holding unit；Fuel tank is by pipeline with enclosing
The arrival end connection of press pump, the port of export of confined pressure pump are connected by the side of pipeline and core holding unit；Confined pressure sensor is installed
Between core holding unit and confined pressure pump.
The utility model has the advantages that：(1) be designed with displacement translation function, can by the opening of valve with
Close, realize the rapid translating of positive displacement and reverse displacement；(2) present apparatus it is compact-sized, it is reasonable in design, be easy to implement.
Brief description of the drawings
Fig. 1 is the utility model of the whole structure diagram.
In figure：1- fluid reservoirs；2- constant-flux pumps；3- valves one；4- valves two；5- valves three；6- confined pressure sensors；7- confined pressures
Pump；8- fuel tanks；9- core holding units；10- differential pressure pickups；11- valves four.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
A kind of rock core displacement device that can convert displacement direction, mainly include fluid reservoir 1, constant-flux pump 2, valve 1, valve
24, valve 35, confined pressure sensor 6, confined pressure pump 7, fuel tank 8, core holding unit 9, differential pressure pickup 10, valve 4 11.It is special
Sign is：Fluid reservoir 1 is connected by pipeline with the arrival end of constant-flux pump 2, and the port of export of constant-flux pump 2 passes through pipeline and valve 1
One end connection, the other end of valve 1 is connected by pipeline with the arrival end of core holding unit 9, the outlet of core holding unit 9
End is connected by pipeline with one end of valve 4 11, the other end connection outlet pipeline of valve 4 11；The one end of valve 24 passes through pipe
Line is connected between constant-flux pump 2 and valve 1, and the other end of valve 24 is connected to core holding unit 9 and valve 4 11 by pipeline
Between；The one end of valve 35 is connected between valve 1 and core holding unit 9 by pipeline, and the other end of valve 35 passes through pipeline
It is connected on the outlet line of valve 4 11；Differential pressure pickup 10 is arranged on core holding unit 9；Fuel tank 8 is by pipeline with enclosing
The arrival end connection of press pump 7, the port of export of confined pressure pump 7 are connected by pipeline with the side of core holding unit 9；Confined pressure sensor 6
Between core holding unit 9 and confined pressure pump 7.
Clear water is stored in described fluid reservoir 1, displacement fluid medium is provided for experiment.
The clear water that described constant-flux pump 2 is aspirated in fluid reservoir 1 provides the clear water of certain flow to core holding unit 9.
Described core holding unit 9 can be used for clamping and sealing rock core, complete the test of core permeability.
The measurable both ends pressure difference of core holding unit 9 of described differential pressure pickup 10.
Described fuel tank 8 is equipped with hydraulic oil, is the input hydraulic pressure of confined pressure pump 7 oil.
The confined pressure pump 7 can be pumped into hydraulic oil in fuel tank 8 to realize to rock core plus confined pressure to core holding unit 9
Reason.
Described confined pressure pump 6 can measure the size of confined pressure added by confined pressure pump 7 to core holding unit 9.
Realizing the mode in conversion displacement direction is：During positive displacement, start confined pressure pump 7, certain confined pressure is added to rock core, close
Valve closing door 24, valve 35, valve 1, valve 4 11 are opened, constant-flux pump 2 aspirates the clear water in fluid reservoir 1, and with certain
Discharge capacity flows successively through valve 1, core holding unit 9, valve 4 11, after the completion of positive displacement test, opens valve 35, lets out
The Fluid pressure gone in device；If needing reverse displacement, valve 1, valve 4 11 need to be only closed, opens valve 24, valve 35,
Constant-flux pump 2 aspirates the clear water in fluid reservoir 1, and flows successively through valve 24, core holding unit 9, valve 35 with certain discharge capacity,
After the completion of reverse displacement experiment, valve 4 11 is opened, the Fluid pressure in venting device ensures experiment safety, provision for disengagement,
Removal of core, complete experiment.
The utility model is designed with displacement translation function, opening and closing by valve, it is possible to achieve the forward direction of fluid
Displacement and the rapid translating of reverse displacement, substantially increase operating efficiency.
Claims (1)
1. a kind of rock core displacement device that can convert displacement direction, mainly including fluid reservoir (1), constant-flux pump (2), valve one (3),
Valve two (4), valve three (5), confined pressure sensor (6), confined pressure pump (7), fuel tank (8), core holding unit (9), differential pressure pickup
(10), valve four (11), it is characterised in that：Fluid reservoir (1) is connected by pipeline with the arrival end of constant-flux pump (2), constant-flux pump (2)
The port of export be connected by pipeline with one end of valve one (3), the other end of valve one (3) passes through pipeline and core holding unit
(9) arrival end connection, the port of export of core holding unit (9) are connected by pipeline with one end of valve four (11), valve four
(11) other end exit pipeline；Valve two (4) one end is connected between constant-flux pump (2) and valve one (3) by pipeline, valve
Two (4) other ends of door are connected between core holding unit (9) and valve four (11) by pipeline；Valve three (5) one end passes through pipe
Line is connected between valve one (3) and core holding unit (9), and valve three (5) other end is connected to valve four (11) by pipeline
Outlet line on；Differential pressure pickup (10) is arranged on core holding unit (9)；Fuel tank (8) passes through pipeline and confined pressure pump (7)
Arrival end is connected, and the port of export of confined pressure pump (7) is connected by pipeline with the side of core holding unit (9)；Confined pressure sensor (6) is pacified
Between core holding unit (9) and confined pressure pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720985004.9U CN207066938U (en) | 2017-08-08 | 2017-08-08 | A kind of rock core displacement device that can convert displacement direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720985004.9U CN207066938U (en) | 2017-08-08 | 2017-08-08 | A kind of rock core displacement device that can convert displacement direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207066938U true CN207066938U (en) | 2018-03-02 |
Family
ID=61518862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720985004.9U Expired - Fee Related CN207066938U (en) | 2017-08-08 | 2017-08-08 | A kind of rock core displacement device that can convert displacement direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207066938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735831A (en) * | 2019-12-18 | 2020-10-02 | 中国石油大学(华东) | Three-dimensional visual reciprocating type cyclic displacement system |
-
2017
- 2017-08-08 CN CN201720985004.9U patent/CN207066938U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735831A (en) * | 2019-12-18 | 2020-10-02 | 中国石油大学(华东) | Three-dimensional visual reciprocating type cyclic displacement system |
| CN111735831B (en) * | 2019-12-18 | 2023-01-17 | 中国石油大学(华东) | Three-dimensional visual reciprocating type cyclic displacement system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20180808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |