CN204064753U - A kind of reservoir core sample preparation system - Google Patents
A kind of reservoir core sample preparation system Download PDFInfo
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- CN204064753U CN204064753U CN201320878727.0U CN201320878727U CN204064753U CN 204064753 U CN204064753 U CN 204064753U CN 201320878727 U CN201320878727 U CN 201320878727U CN 204064753 U CN204064753 U CN 204064753U
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Abstract
The utility model embodiment provides a kind of reservoir core sample preparation system, and it comprises: core holding unit, has the inner chamber of liquid feeding end, outlet end and placement core sample; The pump housing, is connected with the liquid feeding end of core holding unit, for be pumped into by liquid in core holding unit and to record feed liquor parameter; Weighing device, is positioned at the outlet end of core holding unit, for weighing fluid parameter; Intermediate receptacle, is connected between the pump housing and core holding unit, for storing the liquid entering liquid feeding end; Gas cylinder, is connected between the liquid feeding end of core holding unit and the pump housing, provides gaseous fluid or gas-liquid mixture fluid for giving core holding unit inside; Back pressure device, in parallel with core holding unit, for regulating core holding unit internal pressure; Controller, couples with the pump housing and weighing device, for the fluid saturation according to feed liquor parameter and fluid state modulator core sample.The utility model embodiment can prepare the controlled core sample of saturation degree easy, fast.
Description
Technical field
The utility model relates to oil-gas exploration apparatus field, particularly relates to a kind of reservoir core sample preparation system.
Background technology
Significant in In Oil Field Exploration And Development based on the research of earthquake rock physics.In ore prospecting and performance history, need the stratigraphic horizon by geological design and the degree of depth, carry out the work of creeping into, under in well, enter coring tool, the rock sample drilled through out.Rock core understands subsurface formations and contains directly perceived, the most most realistic data of ore deposit feature.
The complicacy of the geophysical parameters such as speed, density influence factor indicates the feasibility utilizing seismic data to carry out reservoir characterization and fluid prediction; Rock physics theoretical model then establishes relation mutual between porous rock medium Different factor.These are all that rock physics research provides data and theoretical foundation in the application of geophysics field.
Seismic event is except being stimulated and condition of acceptance directly affects, also relevant with absorption characteristic with the elastic parameter such as speed, density of rock, and the unevenness of these characteristics and rock composition, factor of porosity, buried depth, property of pore fluid, pressure, rock stratum and other geological characteristics closely related.The research of earthquake rock physics mainly attempts to set up the quantitative corresponding relation of physical quantity that geophysical survey obtains and subsurface lithology parameters, and the seismic response change caused by the change of fast understanding reservoir fluid, strengthen and reduce the risk of explanation.The research of earthquake rock physics is the tie connecting earthquake and reservoir engineering, is also the physical basis of forecast for seismic data oil gas.Because rock has hole, under reservoir conditions, rock interior hole has all or part of saturated working fluid or gas, solid-liquid interface has very serious implications the scattering of seismic event and absorption, and the forced deformation measurement under fractional saturation on hole rock sample becomes abnormal important.The deformation that the rock sample of different saturation is measured is different, also different to the absorption of seismic event, and the earthquake velocity of wave propagation obtained thus is just different.The oil pool distribution that different earthquake velocities of wave propagation is obtained by FORWARD AND INVERSE PROBLEMS is just different.So the fluid saturation in geophysical survey process in rock sample is a very important parameter.Therefore, the preparation as the core sample of test specimen also just becomes very necessary.
Realizing in the utility model process, utility model people finds that in prior art, at least there are the following problems: reservoir core sample preparation system of the prior art is mainly installed by hand, tested and read data, inconvenient operation, test accuracy is poor, obtains the reading after core sample and easily produces larger stochastic error in calculating.
Utility model content
The utility model embodiment provides a kind of reservoir core sample preparation system, with provide a kind of can easy, the technical scheme of preparing the controlled core sample of saturation degree fast.
In order to reach above-mentioned technical purpose, the utility model embodiment provides a kind of reservoir core sample preparation system, and it comprises: core holding unit, has liquid feeding end and outlet end, also has the inner chamber for placing core sample; The pump housing, is connected by the liquid feeding end of pipeline with described core holding unit, for be pumped into by liquid in described core holding unit and to record feed liquor parameter; Intermediate receptacle (104), is connected between the described pump housing (101) and described core holding unit (107), for storing the liquid entering described liquid feeding end; Weighing device, is positioned at the outlet end of core holding unit, for weighing fluid parameter; Gas cylinder, is connected between the liquid feeding end of described core holding unit and the described pump housing by pipeline, provides gaseous fluid or gas-liquid mixture fluid for giving core holding unit inside; Back pressure device, in parallel with described core holding unit by pipeline, for coordinating with described gas cylinder and the pump housing internal pressure regulating described core holding unit; Controller, couples with the pump housing and weighing device respectively, for the fluid saturation of core sample according to described feed liquor parameter and described fluid state modulator.
Preferably, wherein said weighing device comprises: electronic balance or mechanical balance.
Preferably, the wherein said pump housing comprises: ram pump or peristaltic pump.
Preferably, wherein said intermediate receptacle is multiple; Described gas cylinder is connected between described multiple intermediate receptacle and described core holding unit by corresponding multiple branch roads, and junction is provided with bottle valve; Described preparation system also comprises the first cross-over valve, is connected between the described pump housing and described multiple intermediate receptacle, for selecting the described intermediate receptacle be connected with the described pump housing.
Preferably, wherein said multiple intermediate receptacle is 3 piston type intermediate receptacles, and the liquid in described 3 piston type intermediate receptacles is one or more in water, silicone oil or crude oil.
Preferably, wherein said preparation system also comprises the second cross-over valve, is connected between described bottle valve and described core holding unit, for selecting the described intermediate receptacle be connected with the liquid feeding end of described core holding unit.
Preferably, wherein said controller comprises computing machine, couples respectively with core holding unit and the second cross-over valve, for automatically controlling described preparation system and data calculating.
Technique scheme has following beneficial effect: because adopt gas cylinder back pressure device to control core holding unit, and use computing machine to control whole system, improve system works efficiency so reach, reduce error, the technique effects such as equipment set computer controlled automatic.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of reservoir core sample preparation system of the utility model embodiment schematic diagram;
Fig. 2 is preparation method's process flow diagram of a kind of reservoir core sample of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of reservoir core sample preparation system.
Fig. 1 is a kind of reservoir core sample preparation system of the utility model embodiment schematic diagram.
On the one hand, the utility model embodiment provides a kind of reservoir core sample preparation system, it comprises: core holding unit 107, and core holding unit 107 is that one can clamp and seal rock core, completes rock permeability, factor of porosity test or the special arrangement of various rock core displacement test.The effect of this device is inner chamber rock sample to be measured or to be tested being put into core holding unit 107, and when ensureing that test fluid flow passes through core sample rear and front end, the side surface of rock sample can be sealed up completely.
This core holding unit 107 can adopt mechanical sealing, hydrodynamic seal, preferably, vapour-pressure type can be used to seal sealing means.Wherein mechanical sealing mode is not by the sealing medium such as gas or liquid, by the direct crush seal core sample of Compaction.As used lifting jack or the sealing of screw thread fastening means.Mechanical sealing is applicable to the less demanding inspection of measuring accuracy or experiment.Hydrodynamic seal is by having the liquid effects of certain pressure in the sealing of sealing shroud realization to rock sample in clamper.Water under high pressure or other liquid medium sealing is injected as used automatic gauge pump or manually-actuated metering pump.Vapour-pressure type sealing uses air or nitrogen as sealing medium, and provide sealed motive force by air compressor or gas cylinder, its cost is low, and sealing load controls comparatively stable.This core holding unit 107 has liquid feeding end and outlet end, and core holding unit 107 center is provided with the sample chamber for placing core sample.
The pump housing 101, is connected with core holding unit 107 liquid feeding end by pipeline, and for be pumped into by liquid in core holding unit 107 and to record feed liquor parameter, this pump housing 101 also can provide inlet hydraulic when liquid being pumped into core holding unit 107 simultaneously; Weighing device 109, be positioned at core holding unit 107 outlet end, for weighing fluid parameter, this weighing device 109 is positioned at core holding unit 107 outlet end, generally be positioned at the pipeline exit of outlet end, when liquid flows out from core holding unit 107 outlet end, this weighing device 109 can access flow out liquid.
Intermediate receptacle 104, is connected between the pump housing 101 and core holding unit 107, and for storing the liquid entering liquid feeding end, this intermediate receptacle can be various common device for storing liquid.
Gas cylinder 103, be connected between the liquid feeding end of core holding unit 107 and the pump housing 101 by pipeline, gas-liquid mixture fluid is provided for providing the gaseous fluid of fractional saturation or coordinate with the pump housing 101 to core holding unit 107 inside, when this gas cylinder is used alone, core holding unit 107 can be directly connected to by pipeline, gas is provided to core holding unit 107 inside, also can mix with the liquid that the pump housing pumps and provide gas-liquid mixture fluid to core holding unit 107 inside, rain glass and flowmeter gas cylinder 103 be equipped with, the pressure of gas cylinder 103 inside and the amount of eluting gas can be detected, gas in gas cylinder 103 can be various conventional gas, generally uses the nitrogen of purity 99.999%.
Back pressure device 108, in parallel with core holding unit 107 by pipeline, for coordinating with gas cylinder 103 and the pump housing 101 internal pressure regulating core holding unit 107.Controller 110, couples with the pump housing 101 and weighing device 109 respectively, for the fluid saturation of core sample according to described feed liquor parameter and described fluid state modulator.
In a kind of embodiment of the present utility model, wherein weighing device 109 can be electronic balance or mechanical balance, calculate to carry out a nearly step for weighing trickle parameter, when using scales/electronic balance weighing, first adjust electronic balance balance, on electronic balance, placing the beaker for accepting trickle afterwards, being placed on below core holding unit 107 liquid outlet, when the outlet end having liquid from core holding unit 107 flows out, it is made to flow directly in the beaker of electronic balance.Use during mechanical balance and first with the liquid that beaker access outlet end flows out, then can transfer on mechanical balance and measure.
In a kind of embodiment of the present utility model, its middle pump body 101 can be ram pump or peristaltic pump, ram pump is made up of controller and the pump housing 101, rely on plunger to-and-fro movement in cylinder body, the volume of seal operation cavity volume is made to change to realize taking out the function of press liquid, ram pump is no pulse phenomenon in use, can provide larger pressure, accurately limited flow rate and can record feed liquor parameter.
In a kind of embodiment of the present utility model, wherein the intermediate receptacle 104 of preparation system is multiple, be connected between the pump housing 101 and core holding unit 107, for storing the liquid entering liquid feeding end, the plurality of intermediate receptacle 104 one end is connected with the pump housing 101, liquid in intermediate receptacle 104, first through intermediate receptacle 104, pumps by the pressure that the pump housing 101 is provided; The other end is connected to the liquid feeding end of core holding unit 107, and the liquid pumped in intermediate receptacle 104 is pumped in core holding unit 107.Gas cylinder 103 is connected between multiple intermediate receptacle 104 and core holding unit 107 by corresponding multiple branch roads, this gas cylinder 103 is connected on multiple intermediate receptacle 104 pipeline middle with core holding unit 107 by pipeline, this junction is arranged on comparatively near one end of multiple intermediate receptacle 104, the junction of pipeline is provided with bottle valve 105, and this bottle valve 105 can control the fluid of intermediate receptacle 104 and the air inlet of gas cylinder 103 simultaneously.First cross-over valve 102, is connected between the pump housing 101 and multiple intermediate receptacle 104, for selecting the intermediate receptacle 104 be connected with the pump housing 101.This first cross-over valve 102 is generally discoid, wherein there are pipeline and the connector of multiple connection, each connector can connect a pipeline and each connector is provided with independently switch, independently can control the keying of each connector, pipeline between connector is communicated with, and so just can be communicated with any two or more interface in the first cross-over valve 102.
In a kind of embodiment of the present utility model, wherein multiple intermediate receptacle is 3 piston type intermediate receptacles, this container is set to multiplely may be used for holding liquid not of the same race, increase the alternative of test, piston type container is conducive to the liquid promoted by the pump housing 101 in intermediate receptacle, can fill the liquid of various needs in piston type intermediate receptacle, preferably, the liquid in 3 piston type intermediate receptacles is one or more in water, silicone oil or crude oil.During connection, the pump housing 101 is first connected on a connector of the first cross-over valve 102 by seal for pipe joints, then 3 piston type intermediate receptacles are connected respectively in other connector, and such connection can make the selectable liquid promoted in one or more piston type intermediate receptacle of the pump housing 101.
In a kind of embodiment of the present utility model, wherein preparation system also comprises the second cross-over valve 106, is connected between bottle valve 105 and core holding unit 107, for selecting the intermediate receptacle 104 be connected with the liquid feeding end of core holding unit 107.The structure of the second cross-over valve 106 is identical with the first cross-over valve 102, just connect position different, a connector of the second cross-over valve 106 is connected on the liquid feeding end of core holding unit 107, remaining connector can be connected with multiple intermediate receptacle 104, also extra sensor device can be connected again, for data such as the pressure in testing pipes.
In a kind of embodiment of the present utility model, wherein said controller 110 comprises computing machine, also can be single-chip microcomputer or other controller, when this controller 110 is computing machine, this computing machine can couple with the output interface of miscellaneous equipment or sensor, to obtain the data for calculating respectively.Preferably, this computing machine couples with the pump housing 101, core holding unit 107, second cross-over valve 106 and weighing device 109 respectively, calculate for carrying out data to preparation system and automatically control, may be used for detected pressures when controller 110 is connected to core holding unit 107 two ends and change different liquid entering rock core.
Fig. 2 is preparation method's process flow diagram of a kind of reservoir core sample of the utility model embodiment.
On the other hand, the utility model embodiment provides and utilizes any one reservoir core sample preparation system in technique scheme to prepare the method for reservoir core sample, comprises the following steps:
201, open core holding unit, core sample is loaded in the inner chamber of core holding unit, close and lock core holding unit, the two ends of core holding unit are connected on pipeline;
202, the internal pressure of core holding unit is set by the pump housing, gas cylinder and back pressure device;
203, by the pump housing adjusted and intermediate receptacle by certain pressure and flow velocity, liquid is pumped into core holding unit, while pumping into, records pumping liquid parameter.
Preferably, this pump housing is ram pump, and the flow velocity of the pump housing is 0.01 μ l/min ~ 50ml/min, and top pressure is 7500psi, and the pump housing can record the volume pumping liquid simultaneously;
204, weigh fluid parameter by weighing device, this weighing device preferably uses electronic balance, and electronic balance is directly put into the outlet end of core holding unit, after receiving fluid, and the weight of the fluid that can survey, and by measurement data display or output.
205, after process completes, obtain core sample, the fluid saturation of reservoir core sample according to described feed liquor parameter and described fluid state modulator.
In a kind of embodiment of the present utility model, its method also comprises: in multiple piston type intermediate receptacle, store the liquid entering liquid feeding end, the intermediate receptacle be connected with the pump housing is selected by the first cross-over valve, first cross-over valve is arranged between the pump housing and intermediate receptacle, it comprises multiple connector, be interconnected between multiple connector, a connector of the first cross-over valve and the pump housing are tightly connected, other connector is tightly connected with multiple piston type intermediate receptacle respectively, there is independent valve at each connector place, for controlling the keying of each connector, your container is loved in the different centres that so just can be connected by the first conversion valve selection and the pump housing, the intermediate receptacle be connected with the liquid feeding end of core holding unit is selected by the second cross-over valve, the structure of the second cross-over valve is identical with the first cross-over valve, just connect position different, a connector of the second cross-over valve is connected on the liquid feeding end of core holding unit, remaining connector can be connected with multiple intermediate receptacle, after the first conversion valve chooses, liquid in the intermediate receptacle be communicated with it can be pumped by the first cross-over valve by the pump housing, liquid leaves intermediate receptacle, enter the second cross-over valve be attached thereto, other connector of second cross-over valve is tightly connected the liquid feeding end of core holding unit or sensor, after liquid enters the second cross-over valve, open the corresponding valve be connected with core holding unit liquid feeding end, namely liquid enter core holding unit inside and carry out displacement to rock core, the liquid that outlet end flows out flows into weighing device and weighs fluid parameter.
In a kind of embodiment of the present utility model, wherein method also comprises: use controller to couple testing equipment, this controller can be computing machine, this computing machine can obtain the test figure parameter such as feed liquor parameter, fluid parameter, and analytical calculation is carried out to test figure parameter and automatically controls, preferably, controller and the pump housing, core holding unit, the second cross-over valve and weighing device can be made to couple, preparation system is controlled automatically.According to the porosity data measured in advance, the volume of liquid or the gas of having filled can be calculated again according to feed liquor parameter, fluid parameter and fluid density, these data can by manually to calculate or controller calculates automatically, thus obtain the degree of saturation that rock sample liquid is filled with.The volume V of saturation degree B=Δ V(influent
2the volume V of-trickle
1the volume V* factor of porosity of)/rock sample, back pressure device can keep the pressure equilibrium of fluid in rock core by set pressure.
Technique scheme has following beneficial effect: because adopt gas cylinder back pressure device to control core holding unit, and use computing machine to control whole system, improve system works efficiency so reach, reduce error, the technique effects such as equipment set computer controlled automatic.
Embodiment of the present utility model is further illustrated below according to specific embodiment:
Fig. 1 is a kind of reservoir core sample preparation system of the utility model embodiment schematic diagram.
Specific embodiment 1
ISCO160D type high-precision high voltage ram pump is selected to provide 25Mpa controlled pressure, the liquid water that the first cross-over valve 102 selects to need injection is controlled by computing machine, 18M ohm high purity water liquid in driven plunger formula intermediate receptacle enters pipeline, pressure selection second cross-over valve 106 is entered and pipeline enters core holding unit 107 by pipeline, by rock core, flow into electronic balance.The feed liquor parameter flowing into sample is precisely controlled by high-precision high voltage ram pump, deduct the fluid parameter of the trickle that electronic balance scale goes out, rock core can be calculated and keep the quality of liquid, by porosity measurement and rock core volume, automatically calculate by computing machine the saturation degree that rock core liquid is filled with.Back pressure device 108 passes through set pressure 25Mpa to keep the pressure equilibrium of fluid in rock core.
Specific embodiment 2
According to accompanying drawing 1
ISCO160D type high-precision high voltage ram pump is selected to provide 15Mpa controlled pressure, the first cross-over valve 102 is controlled by computing machine, select the liquid silicone oil needing to inject, silicone oil in driven plunger formula intermediate receptacle enters pipeline, enter the second cross-over valve 106 by pipeline and enter core holding unit 107 thereupon, by rock core, flow into electronic balance.The feed liquor parameter flowing into sample is precisely controlled by high-precision high voltage ram pump, deduct the fluid parameter of the trickle that electronic balance scale goes out, rock core can be calculated and keep the quality of liquid, by porosity measurement and rock core volume data, automatically calculate by computing machine the saturation degree that rock core liquid is filled with.Back pressure device 108 passes through set pressure 15Mpa to keep the pressure equilibrium of fluid in rock core.
Embody rule example 3
ISCO160D type high-precision high voltage ram pump is selected to provide 20Mpa controlled pressure, the liquid crude that the first cross-over valve 102 selects to need injection is controlled by computing machine, crude oil in driven plunger formula intermediate receptacle enters pipeline, enter the second cross-over valve 106 by pipeline and enter core holding unit 107 thereupon, by rock core, flow into electronic balance.The feed liquor parameter flowing into sample is precisely controlled by high-precision high voltage ram pump, deduct the amount of the trickle that electronic balance scale goes out, rock core can be calculated and keep the fluid parameter of liquid, by porosity measurement and rock core volume, automatically calculate by computing machine the saturation degree that rock core liquid is filled with.Back pressure device 108 passes through set pressure 20Mpa to keep the pressure equilibrium of fluid in rock core.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrative logical block) that the utility model embodiment is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrative components), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function that various method realizes, but this realization can should not be understood to the scope exceeding the protection of the utility model embodiment.
Various illustrative logical block described in the utility model embodiment, or unit can pass through general processor, digital signal processor, special IC (ASIC), field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can be realized by the combination of calculation element, such as digital signal processor and microprocessor, multi-microprocessor, and a Digital Signal Processor Core combined by one or more microprocessor, or other similar configuration any realizes.
The software module that method described in the utility model embodiment or the step of algorithm directly can embed hardware, processor performs or the combination of both.Software module can be stored in the storage medium of other arbitrary form in RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, with make processor can from storage medium reading information, and write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in user terminal.
In one or more exemplary design, the above-mentioned functions described by the utility model embodiment can realize in the combination in any of hardware, software, firmware or this three.If realized in software, these functions can store on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instruction or code form.Computer readable medium comprises computer storage medium and is convenient to make to allow computer program transfer to the telecommunication media in other place from a place.Storage medium can be that any general or special computer can the useable medium of access.Such as, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly may be used for carrying or store the medium that can be read the program code of form with instruction or data structure and other by general or special computer or general or special processor.In addition, any connection can be properly termed computer readable medium, such as, if software is by a concentric cable, fiber optic cables, twisted-pair feeder, Digital Subscriber Line (DSL) or being also comprised in defined computer readable medium with wireless way for transmittings such as such as infrared, wireless and microwaves from a web-site, server or other remote resource.Video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, disk is usually with magnetic duplication data, and video disc carries out optical reproduction data with laser usually.Above-mentioned combination also can be included in computer readable medium.
Above embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; these are only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a reservoir core sample preparation system, is characterized in that, it comprises:
Core holding unit (107), has liquid feeding end and outlet end, also has the inner chamber for placing core sample;
The pump housing (101), is connected by the liquid feeding end of pipeline with described core holding unit (107), for be pumped into by liquid in described core holding unit (107) and to record feed liquor parameter;
Intermediate receptacle (104), is connected between the described pump housing (101) and described core holding unit (107), for storing the liquid entering described liquid feeding end;
Weighing device (109), is positioned at the outlet end of core holding unit (107), for weighing fluid parameter;
Gas cylinder (103), is connected between the liquid feeding end of described core holding unit (107) and the described pump housing (101) by pipeline, provides gaseous fluid or gas-liquid mixture fluid for giving core holding unit (107) inside;
Back pressure device (108), in parallel with described core holding unit (107) by pipeline, for coordinating with described gas cylinder (103) and the pump housing (101) internal pressure regulating described core holding unit (107);
Controller (110), couples with the pump housing (101) and weighing device (109) respectively, for the fluid saturation of core sample according to described feed liquor parameter and described fluid state modulator.
2. reservoir core sample preparation system as claimed in claim 1, it is characterized in that, described weighing device (109) comprising: electronic balance or mechanical balance.
3. reservoir core sample preparation system as claimed in claim 1, it is characterized in that, the described pump housing (101) comprising: ram pump or peristaltic pump.
4., as the reservoir core sample preparation system in claims 1 to 3 as described in any one, it is characterized in that,
Described intermediate receptacle (104) is for multiple;
Described gas cylinder (103) is connected between described multiple intermediate receptacle (104) and described core holding unit (107) by corresponding multiple branch roads, and junction is provided with bottle valve (105);
Described preparation system also comprises the first cross-over valve (102), is connected between the described pump housing (101) and described multiple intermediate receptacle (104), for selecting the described intermediate receptacle (104) be connected with the described pump housing (101).
5. reservoir core sample preparation system as claimed in claim 4, it is characterized in that, described multiple intermediate receptacle (104) is 3 piston type intermediate receptacles, and the liquid in described 3 piston type intermediate receptacles is one or more in water, silicone oil or crude oil.
6. reservoir core sample preparation system as claimed in claim 4, it is characterized in that, described preparation system also comprises the second cross-over valve (106), be connected between described bottle valve (105) and described core holding unit (107), for selecting the described intermediate receptacle (104) be connected with the liquid feeding end of described core holding unit (107).
7. reservoir core sample preparation system as claimed in claim 6, it is characterized in that, described controller (110) comprises computing machine, couples respectively with core holding unit (107) and the second cross-over valve (106), for automatically controlling described preparation system and data calculating.
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| CN201320878727.0U CN204064753U (en) | 2013-12-26 | 2013-12-26 | A kind of reservoir core sample preparation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155157A (en) * | 2013-12-26 | 2014-11-19 | 中国石油天然气集团公司 | Preparation system and method of reservoir core sample |
| CN105424149A (en) * | 2015-11-12 | 2016-03-23 | 中国石油集团西部钻探工程有限公司 | Weighing meter used for semipermeable separating plate core displacing fluid |
| CN106383077A (en) * | 2016-08-30 | 2017-02-08 | 海安华达石油仪器有限公司 | Device for producing bound water |
| CN109632557A (en) * | 2019-01-22 | 2019-04-16 | 中国矿业大学 | A kind of gas-liquid two-phase saturation coal petrography sample experimental provision and saturation degree test method |
| CN112857934A (en) * | 2021-01-22 | 2021-05-28 | 上海大学 | Preparation method of high-permeability homogeneous nonmagnetic core |
| CN114279898A (en) * | 2021-12-24 | 2022-04-05 | 西安交通大学 | Experimental system and experimental method for overburden pore-permeation nuclide convection and dispersion combined measurement |
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2013
- 2013-12-26 CN CN201320878727.0U patent/CN204064753U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155157A (en) * | 2013-12-26 | 2014-11-19 | 中国石油天然气集团公司 | Preparation system and method of reservoir core sample |
| CN104155157B (en) * | 2013-12-26 | 2017-01-04 | 中国石油天然气集团公司 | A kind of reservoir core sample preparation system and the preparation method of reservoir core sample |
| CN105424149A (en) * | 2015-11-12 | 2016-03-23 | 中国石油集团西部钻探工程有限公司 | Weighing meter used for semipermeable separating plate core displacing fluid |
| CN106383077A (en) * | 2016-08-30 | 2017-02-08 | 海安华达石油仪器有限公司 | Device for producing bound water |
| CN106383077B (en) * | 2016-08-30 | 2019-04-05 | 海安华达石油仪器有限公司 | One kind making constraint wetting system |
| CN109632557A (en) * | 2019-01-22 | 2019-04-16 | 中国矿业大学 | A kind of gas-liquid two-phase saturation coal petrography sample experimental provision and saturation degree test method |
| CN109632557B (en) * | 2019-01-22 | 2021-11-16 | 中国矿业大学 | Gas-liquid two-phase saturated coal rock sample experimental device and saturation testing method |
| CN112857934A (en) * | 2021-01-22 | 2021-05-28 | 上海大学 | Preparation method of high-permeability homogeneous nonmagnetic core |
| CN114279898A (en) * | 2021-12-24 | 2022-04-05 | 西安交通大学 | Experimental system and experimental method for overburden pore-permeation nuclide convection and dispersion combined measurement |
| CN114279898B (en) * | 2021-12-24 | 2024-01-16 | 西安交通大学 | Experimental system and experimental method for combined measurement of pressure-coated pore-permeation nuclide convection and diffusion |
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