CN208383669U - A kind of rock core displacement test device - Google Patents
A kind of rock core displacement test device Download PDFInfo
- Publication number
- CN208383669U CN208383669U CN201821264858.9U CN201821264858U CN208383669U CN 208383669 U CN208383669 U CN 208383669U CN 201821264858 U CN201821264858 U CN 201821264858U CN 208383669 U CN208383669 U CN 208383669U
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- water
- intermediate receptacle
- outlet
- holding unit
- core holding
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Abstract
The utility model discloses a kind of rock core displacement test devices, comprising: flood pattern, core holding unit, confining pressure pump, pressure sensor, meausring apparatus；Flood pattern includes reservoir, water injecting pump and intermediate receptacle, and water injection pump water inlet connects reservoir, and water outlet connects intermediate receptacle；Close to purified water inlet, nearby water outlet and the first valve switch, water outlet are connected to reservoir by outlet pipe in connecting tube between water injecting pump and intermediate receptacle, and outlet pipe is equipped with the second valve switch；Close to the setting displacing fluid import of intermediate receptacle one end and third valve switch in connecting tube between intermediate receptacle and core holding unit, displacing fluid import connects displacement liquid storage tank by perfusion tube, infusion pump and the 4th valve switch is arranged on perfusion tube；Core holding unit liquid outlet connects meausring apparatus.The experimental provision of the utility model is provided with intermediate receptacle, improves the stability of displacing fluid, while weighing precisely to the liquid that displacement goes out, improves the accuracy of experiment.
Description
Technical field
The utility model relates to a kind of oil field productive experiment instrument, in particular to a kind of novel rock core displacement test dress
It sets.
Background technique
In oil and gas development process, laboratory core displacement test is most basic work.With petroleum industry
Development, nontraditional reservoir are developed, while conventional water-drive pool has also entered high water-cut stage.Carry out for these characteristics of reservoirs
Rock core displacement test, difficulty is big, and the period is long.In oilfield production, most of all to come into binary drive, different oil fields is raw
Producing region block may require that different schemes, this just needs to do laboratory test, such as rock core displacement test before implementing different schemes,
And existing laboratory apparatus generally all only one function, it can not achieve kinds of experiments, such as simulated formation pressure, formation temperature
Under conditions of carry out core permeability measurement, formation damage evaluates the research such as (core susceptibility), this will improve experiment at
This, also brings along many inconvenience.
Utility model content
The purpose of this utility model is to solve the liquid that existing rock core displacement test device stable experiment is poor, goes out to displacement
It is big to measure weighing error, the technical problem of experimental result accuracy difference.
In order to realize these purposes and other advantages of the utility model, a kind of rock core displacement test device, the drive are provided
It include: flood pattern, core holding unit, confining pressure pump, pressure sensor, meausring apparatus for experimental provision.
Wherein, the flood pattern includes reservoir, water injecting pump and intermediate receptacle, and the water injection pump water inlet connects water storage
Pond, water outlet connect intermediate receptacle.The intermediate receptacle includes cylindrical shell, and upper end cover is respectively set in shell top and bottom
And internal screw thread is arranged in lower cover, the side wall surface inside of two end caps, external screw thread is arranged in shell both ends port, between end cap and shell
It is threadedly coupled, sealing ring is arranged in end cap inner roof wall.Piston is set in shell, and piston and inner walls face are fitted close shell
Inner cavity is divided into pure water chamber and displacement sap cavity.The end cap central being connected to pure water chamber opens up the purified water inlet of perforation lid, pure water
Import connects water injecting pump, and the end cap central being connected to displacement sap cavity opens up the displacing fluid outlet of perforation lid, and displacing fluid outlet connects
Core holding unit is connect, core sample is fixedly mounted in core holding unit, core holding unit bottom connects confining pressure pump, and the pressure passes
Sensor is threadedly attached on core holding unit.Close to purified water inlet in connecting tube between the water injecting pump and intermediate receptacle
Neighbouring water outlet and the first valve switch, water outlet are connected to reservoir by outlet pipe, and outlet pipe is equipped with the second valve and opens
It closes.Close to the setting displacing fluid import of intermediate receptacle one end and third in connecting tube between the intermediate receptacle and core holding unit
Valve switch, displacing fluid import connect displacement liquid storage tank by perfusion tube, infusion pump and the 4th valve switch are arranged on perfusion tube.
The core holding unit liquid outlet is connected to meausring apparatus by outlet tube, and the meausring apparatus includes pedestal and set
The hurricane globe being located on pedestal is arranged weighing apparatus on pedestal, weighting platform is arranged on weighing apparatus, cylinder shape groove is opened up on weighting platform, recessed
Graduated cylinder is placed in slot, outlet tube end at the top of hurricane globe by being inserted into up to outlet tube end is connected in graduated cylinder internal upper part, graduated cylinder
One inclined diversion pipe, water conservancy diversion pipe end and graduated cylinder inner wall face contact.
Preferably, flowmeter is additionally provided in the connecting tube between the water injecting pump and intermediate receptacle.
Preferably, the hurricane globe is square made of transparent material, is provided with double door on hurricane globe one side,
Door is equipped with door handle.
Preferably, the water conservancy diversion pipe end is located at the top of liquid levels in graduated cylinder, and does not contact with liquid level.
Compared with prior art, the utility model has the following beneficial effects:
One, by the flow of control injection pure water, push the piston motion of intermediate receptacle by displacing fluid from displacement sap cavity
Outlet extrudes, and by displacing fluid, flow is extruded as required, to improve stable experiment, meets requirement of experiment, performance is stablized.
Secondly, the pure water chamber of intermediate receptacle be equipped with outlet pipe, can be intracavitary by pure water by outlet pipe after experiment
Water is returned to reservoir and is reused.The displacement sap cavity of intermediate receptacle is provided with the displacing fluid import of addition displacing fluid, can
To add displacing fluid to the intracavitary supplement of displacing fluid at any time.
Thirdly, the reasonable and compact in structure of meausring apparatus, it is easy to use, by the way that closed hurricane globe is arranged, can significantly mention
High measuring accuracy, realizes the purpose being precisely weighed, and final data is accurate, reliable, has the characteristics that safe and reliable, facilitates behaviour
Make, improves work efficiency.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1, the utility model rock core displacement test device structural schematic diagram.
The structural schematic diagram of Fig. 2, intermediate receptacle.
The structural schematic diagram of Fig. 3, meausring apparatus.
The structural schematic diagram of Fig. 4, hurricane globe.
Figure label:
Flood pattern 1, core holding unit 2, confining pressure pump 3, pressure sensor 4, meausring apparatus 5, reservoir 11, water injecting pump
12, intermediate receptacle 13, flowmeter 14, cylindrical shell 131, upper end cover 132, lower cover 133, sealing ring 134, piston 135, pure
Water cavity 6, displacement sap cavity 7, purified water inlet 136, displacing fluid outlet 137, displacing fluid outlet connection core holding unit, core sample
21, the first valve switch 8, outlet pipe 9, displacement liquid storage tank 10, infusion pump 15, purified water inlet 136, displacing fluid export 137, pedestal
51, hurricane globe 52, weighing apparatus 53, weighting platform 54, cylinder shape groove 55, graduated cylinder 56, diversion pipe 57, double door 521, door handle 522,
Second valve switch 16, third valve switch 17, the 4th valve switch 18.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in Figs 1-4, the utility model provides a kind of rock core displacement test device, which includes:
Flood pattern 1, core holding unit 2, confining pressure pump 3, pressure sensor 4, meausring apparatus 5.
Wherein, the flood pattern includes reservoir 11, water injecting pump 12 and intermediate receptacle 13, and the water injection pump water inlet connects
Reservoir is connect, water outlet connects intermediate receptacle.Pass through pipe between the reservoir and water injecting pump, between water injecting pump and intermediate receptacle
Road connection.Flowmeter 14 is additionally provided in connecting tube between the water injecting pump and intermediate receptacle.The intermediate receptacle includes circle
Barrel-type casing 131, shell top and bottom are respectively set upper end cover 132 and lower cover 133, set on the inside of the side wall surface of two end caps
Internal screw thread is set, shell both ends port is arranged external screw thread, is threadedly coupled between end cap and shell, and sealing ring is arranged in end cap inner roof wall
134.Piston 135 is set in shell, and piston and inner walls face, which are fitted close, is divided into pure water chamber 6 and displacement for the inner cavity of shell
Sap cavity 7.End cap (lower cover 133) center being connected to pure water chamber opens up the purified water inlet 136 of perforation lid, purified water inlet connection
Water injecting pump.The displacing fluid outlet 137 that end cap (upper end cover 132) center being connected to displacement sap cavity opens up perforation lid (is specifically shown in
Fig. 2).Displacing fluid outlet connection core holding unit 2, core holding unit 2 is interior to be fixedly mounted core sample 21, core holding unit bottom
Confining pressure pump 3 is connected, for applying circumferential pressure to core holding unit 2, seals rock core.The pressure sensor 4 is connected by screw thread
It connects on core holding unit, for measuring the pressure size on core holding unit.Company between the water injecting pump and intermediate receptacle
Water outlet and the first valve switch 8 are nearby set close to purified water inlet on adapter tube, water outlet is connected to water storage by outlet pipe 9
Pond, outlet pipe are equipped with the second valve switch 16.Close to intermediate in connecting tube between the intermediate receptacle and core holding unit
Displacing fluid import and third valve switch 17 is arranged in one end, and displacing fluid import connects displacement liquid storage tank 10 by perfusion tube,
Infusion pump 15 and the 4th valve switch 18 are set on perfusion tube.Purified water inlet 136 is simultaneously also as the water outlet of pure water.Experiment
When, pure water enters intermediate receptacle by purified water inlet, after experiment, pure water of the purified water inlet as water outlet, in intermediate receptacle
It is released by the water outlet.Displacing fluid outlet 137 is also displacing fluid import simultaneously.Before experiment, displacing fluid outlet 137 is used as displacing fluid
Import, the displacing fluid in displacement liquid storage tank enter intermediate receptacle by displacing fluid import.When experiment, displacing fluid in intermediate receptacle by
Displacing fluid outlet 137 is expelled to core holding unit.
The core holding unit liquid outlet is connected to meausring apparatus 5 by outlet tube.The meausring apparatus includes pedestal 51
With the hurricane globe 52 being set on pedestal.Hurricane globe can completely cut off the influence of external environment weighing device, guarantee object to be measured
Measurement accuracy, improve the accuracy of experimental result.Weighing apparatus 53 is set on pedestal, weighting platform 54 is set on weighing apparatus, on weighting platform
Cylinder shape groove 55 is opened up, places graduated cylinder 56 in groove.Outlet tube end is by insertion at the top of hurricane globe until graduated cylinder internal upper part, amount
Outlet tube end is connected with an inclined diversion pipe 57, water conservancy diversion pipe end and graduated cylinder inner wall face contact in cylinder.The diversion pipe end
End is located at the top of liquid levels in graduated cylinder, and does not contact with liquid level (see Fig. 3).The hurricane globe be transparent material made of just
Cube, double door 521 is provided on hurricane globe one side, and door is equipped with door handle 522 (see Fig. 4).
Above-mentioned rock core displacement test device operate with method: before displacement test, third valve switch 17 is closed, is opened
Displacing fluid in displacement liquid storage tank 10 is added in the displacement sap cavity 7 of intermediate receptacle by the 4th valve switch 18；Displacement test
When, the 4th valve switch 18 and the second valve switch 16 are closed, the first valve switch 8 and third valve switch 17 are opened, it will be pure
Water, which injects in the pure water chamber 6 of intermediate receptacle, pushes the movement of piston 135 of intermediate receptacle that displacing fluid is exported extrusion from displacement sap cavity
Into core holding unit 2, meausring apparatus 5 is collected and weighs the liquid of core holding unit liquid outlet outflow；After experiment, close
First valve switch 8 opens the second valve switch 16, and the intracavitary pure water discharge of pure water is returned in reservoir 11, is realized pure
Water circulation use.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization.It can be applied to various fields suitable for the present invention completely.For those skilled in the art,
Other modifications may be easily implemented.Therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (4)
1. a kind of rock core displacement test device characterized by comprising flood pattern, core holding unit, confining pressure pump, pressure pass
Sensor, meausring apparatus；
Wherein, the flood pattern includes reservoir, water injecting pump and intermediate receptacle, and the water injection pump water inlet connects reservoir,
Water outlet connects intermediate receptacle；The intermediate receptacle includes cylindrical shell, shell top and bottom be respectively set upper end cover and
Internal screw thread is arranged in the side wall surface inside of lower cover, two end caps, and external screw thread, spiral shell between end cap and shell is arranged in shell both ends port
Sealing ring is arranged in line connection, end cap inner roof wall；Piston is set in shell；Piston and inner walls face tight fit will be in shells
Chamber is divided into pure water chamber and displacement sap cavity；The end cap central being connected to pure water chamber open up perforation lid purified water inlet, pure water into
Mouth connection water injecting pump, the end cap central being connected to displacement sap cavity open up the displacing fluid outlet of perforation lid, displacing fluid outlet connection
Core holding unit, core holding unit is interior to be fixedly mounted core sample, and core holding unit bottom connects confining pressure pump, the pressure sensing
Device is threadedly attached on core holding unit；It is attached close to purified water inlet in connecting tube between the water injecting pump and intermediate receptacle
Nearly water outlet and the first valve switch, water outlet are connected to reservoir by outlet pipe, and outlet pipe is equipped with the second valve switch；
Close to the setting displacing fluid import of intermediate receptacle one end and third valve in connecting tube between the intermediate receptacle and core holding unit
Door switch, displacing fluid import connect displacement liquid storage tank by perfusion tube, infusion pump and the 4th valve switch are arranged on perfusion tube；
The core holding unit liquid outlet connects meausring apparatus by outlet tube, and the meausring apparatus includes pedestal and is set in bottom
Hurricane globe on seat is arranged weighing apparatus on pedestal, weighting platform is arranged on weighing apparatus, cylinder shape groove is opened up on weighting platform, is put in groove
Graduated cylinder is set, outlet tube end at the top of hurricane globe by being inserted into up to outlet tube end is connected with an inclination in graduated cylinder internal upper part, graduated cylinder
Diversion pipe, water conservancy diversion pipe end and graduated cylinder inner wall face contact.
2. rock core displacement test device as described in claim 1, which is characterized in that between the water injecting pump and intermediate receptacle
Flowmeter is additionally provided in connecting tube.
3. rock core displacement test device as claimed in claim 2, which is characterized in that the hurricane globe is made of transparent material
Square, double door is provided on hurricane globe one side, and door is equipped with door handle.
4. rock core displacement test device as claimed in claim 3, which is characterized in that the water conservancy diversion pipe end is located at liquid in graduated cylinder
The top in body fluid face, and do not contacted with liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821264858.9U CN208383669U (en) | 2018-08-06 | 2018-08-06 | A kind of rock core displacement test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821264858.9U CN208383669U (en) | 2018-08-06 | 2018-08-06 | A kind of rock core displacement test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208383669U true CN208383669U (en) | 2019-01-15 |
Family
ID=64962279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821264858.9U Expired - Fee Related CN208383669U (en) | 2018-08-06 | 2018-08-06 | A kind of rock core displacement test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208383669U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781606A (en) * | 2019-03-22 | 2019-05-21 | 中国科学院武汉岩土力学研究所 | A kind of core holding unit for seepage flow CT scan in situ |
| CN110793707A (en) * | 2019-11-10 | 2020-02-14 | 东北石油大学 | Intermediate container with digital display pressure monitoring function |
| CN111318200A (en) * | 2020-02-26 | 2020-06-23 | 西南石油大学 | Two-fluid mixing and displacement integrated device and use method thereof |
| CN111999232A (en) * | 2020-08-26 | 2020-11-27 | 三峡大学 | Test device and test method for measuring change of permeability of rock core along with pressure |
-
2018
- 2018-08-06 CN CN201821264858.9U patent/CN208383669U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781606A (en) * | 2019-03-22 | 2019-05-21 | 中国科学院武汉岩土力学研究所 | A kind of core holding unit for seepage flow CT scan in situ |
| CN110793707A (en) * | 2019-11-10 | 2020-02-14 | 东北石油大学 | Intermediate container with digital display pressure monitoring function |
| CN110793707B (en) * | 2019-11-10 | 2021-05-14 | 东北石油大学 | Intermediate container with digital display pressure monitoring function |
| CN111318200A (en) * | 2020-02-26 | 2020-06-23 | 西南石油大学 | Two-fluid mixing and displacement integrated device and use method thereof |
| CN111999232A (en) * | 2020-08-26 | 2020-11-27 | 三峡大学 | Test device and test method for measuring change of permeability of rock core along with pressure |
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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: 20190115 Termination date: 20190806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |