CN206945492U - The experimental provision of imbibition process after a kind of fine and close oily reservoir fracturing of lab simulation - Google Patents
The experimental provision of imbibition process after a kind of fine and close oily reservoir fracturing of lab simulation Download PDFInfo
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- CN206945492U CN206945492U CN201720138982.XU CN201720138982U CN206945492U CN 206945492 U CN206945492 U CN 206945492U CN 201720138982 U CN201720138982 U CN 201720138982U CN 206945492 U CN206945492 U CN 206945492U
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- imbibition
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Abstract
The utility model discloses the experimental provision of imbibition process after a kind of fine and close oily reservoir fracturing of lab simulation, it is characterised in that：Described control panel (1) include superposed electric touch screen (2) and positioned at bottom light switch (3), heater switch (4), unload and compress switch (5) and power switch (6)；Described light switch (3) and heater switch (4) are located at described unloading and compressed switch (5) and the top of power switch (6)；Camera (18) is extended with the side of described control panel (1), described camera (18) is located in described insulating box (7), and two inductors (1.1) are drawn on described control panel (1) and are extend into imbibition ware (12)；The shortcomings that it overcomes stratum energy in the prior art and declined soon, and production decline is fast, there is the advantages of high and whole imbibition dynamic process of measurement accuracy is visual.
Description
Technical field
Fine and close oily reservoir experimental provision technical field is the utility model is related to, is more specifically a kind of lab simulation
The experimental provision of imbibition process after fine and close oily reservoir fracturing.
Background technology
Fine and close oily reservoir is mainly characterized by that permeability is low (being less than 0.1mD), and reservoir fluid can not flow substantially；By big
Scale hydraulic fracturing technology, the man-made fracture network to be taken on a certain scale in reservoir, just can make oil well have certain production capacity.
Compact oil reservoir shows stratum energy and declined soon mainly by the way of the exploitation of exhaustion formula at present in exploitation, and production decline is fast etc.
Relevant issues.Fine and close oil is improved all exploring using the mode of fracturing fluid imbibition oil recovery in the oil fields such as nearest Jilin, long celebrating, Xinjiang
Recovery percent of reserves, and achieve certain effect of increasing production.
For this volume increase phenomenon, domestic and international most of scholar thinks that reservoir matrix Crude Oil is replaced with fracturing fluid imbibition
Wherein play very big effect.Spontaneous imbibition is defined as in porous media, the caused wetting phase due to the effect of capillary force
Displacement to nonwetting phase.Because capillary force acts on, oil imbibition spontaneous from Rock Matrix is into Fracture System, for crack, base
It is a kind of highly important extraction mechanism for the porous media of matter composition.
Fracturing fluid contacts with reservoir matrix in post-fracturing reservoir, and due to the effect of capillary force and gravity, fracturing fluid oozes
Inspiration enters reservoir matrix, and matrix Crude Oil is replaced out.After opening well and making production, the crude oil being replaced out enters pit shaft by crack
It is plucked out of the ground, it is final to realize volume increase.On imbibition, domestic and foreign scholars have been carried out some experimental studies, but most of office
The imbibition for being limited to middle and high infiltration reservoir matrix hole crude oil and water is studied.For special hypotonic, compact reservoir mesostroma and fracturing fluid
Imbibition experimental study is less, and imbibition requirement of experiment measure data precision is high, high-pressure section is difficult to observe by experimental phenomena under adding,
Duration is grown, and laboratory strength is big.In order to study the fine and close oily imbibition mechanism of action, it is necessary to by laboratory experiment simulated formation bar
Imbibition dynamic process under part, observation experiment phenomenon, it is therefore desirable to design visual fine and close oil under a kind of high-temperature and high-pressure conditions
The experimental provision of imbibition dynamic test.
The content of the invention
The purpose of this utility model is the weak point for overcoming above-mentioned background technology, and proposes that a kind of lab simulation is fine and close
The experimental provision of imbibition process after oily reservoir fracturing.
The technical solution of the utility model is implemented by following measure：A kind of fine and close oily reservoir fracturing of lab simulation
The experimental provision of imbibition process afterwards, it includes control panel, insulating box, high Accuracy Electronic Balance, force (forcing) pump, gas cylinder, number
According to acquisition processing system and printer；Described control panel and force (forcing) pump, gas cylinder are located at the both sides of described insulating box,
Data acquisition processing system and printer, described high Accuracy Electronic Balance position are disposed with the rear of described insulating box
In the top of described insulating box；
Described control panel includes superposed electric touch screen and positioned at bottom light switch, heater switch, release
Switch and power switch；Described light switch and heater switch are located at the top that described unloading compresses switch with power switch；
Camera is extended with the side of described control panel, described camera is located in described insulating box,
Two inductors are drawn on described control panel to extend into imbibition ware；
Described high Accuracy Electronic Balance is located at the top of described rock core connecting rod, and described high Accuracy Electronic Balance is located at
On independent rack, described independent rack connects rock core hanging basket by rock core connecting rod, is set in the afterbody of described rock core connecting rod
Seal, described seal and rock core hanging basket are respectively positioned in described imbibition ware；
Described force (forcing) pump and the line afterbody of gas cylinder are extend into described imbibition ware,
It is connected in described independent rack by wire with described data acquisition processing system, at described data acquisition
Reason system draws two-way, is overlapped on all the way on the line on described force (forcing) pump, another way is extend into described imbibition ware.
In the above-mentioned technical solutions：Heat resisting and pressure resisting visual window is provided with described imbibition ware, is hung in described rock core
Imbibition fluid is filled with basket.
In the above-mentioned technical solutions：Described independent rack is the independent rack with damping.
The utility model has following technological merit：1st, the high and whole imbibition dynamic process of measurement accuracy is visual；The system
Middle measurement accuracy is a ten thousandth gram, and has heat resisting and pressure resisting observation window to realize that HTHP imbibition process is visual, maximal pressure
Power 12MPa, temperature are less than 100 DEG C.
2nd, there is the camera system of intracavitary illumination functions in imbibition ware.For the ease of observation experiment phenomenon, set in imbibition ware
In respect of HTHP illuminator, it is possible to achieve whole day is observed and take pictures, image for 24 hours.
3rd, system can be realized unattended according to plan target arrangement, and experimental phenomena can be with automatic camera, record, storage
Deposit, reduce experimenter's labor intensity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：Control panel 1, inductor 1.1, electric touch screen 2, light switch 3, heater switch 4, unload the 5, power supply that compresses switch
Switch 6, insulating box 7, high Accuracy Electronic Balance 8, independent rack 9, rock core connecting rod 10, seal 11, imbibition ware 12, heat resisting and pressure resisting
Visual window 13, rock core hanging basket 14, imbibition fluid 15, force (forcing) pump 16, gas cylinder 17, camera 18, data acquisition processing system
19th, printer 20.
Embodiment
Describe performance of the present utility model in detail below in conjunction with the accompanying drawings, but they are not formed to of the present utility model
Limit, it is only for example, while will become clearer and be readily appreciated that the advantages of by illustrating the utility model.
Shown in reference picture 1：The experimental provision of imbibition process, its feature exist after a kind of fine and close oily reservoir fracturing of lab simulation
In：It includes control panel 1, insulating box 7, high Accuracy Electronic Balance 8, force (forcing) pump 16, gas cylinder 17, data acquisition process
System 19 and printer 20；Described control panel 1 and force (forcing) pump 16, gas cylinder 17 are located at the both sides of described insulating box 7,
Data acquisition processing system 19 and printer 20, described high-precision electronic are disposed with the rear of described insulating box 7
Balance 8 is located at the top of described insulating box 7；Described control panel 1 includes superposed electric touch screen 2 and positioned at bottom
Light switch 3, heater switch 4, unload compress switch 5 and power switch 6；Described light switch 3 and heater switch 4 are positioned at described
Unload the top of compress switch 5 and power switch 6；Camera 18, described shooting are extended with the side of described control panel 1
First 18 in described insulating box 7, and two inductors 1.1 are drawn on described control panel 1 and are extend into imbibition ware 12；
Described high Accuracy Electronic Balance 8 is located at the top of described rock core connecting rod 10, and described high Accuracy Electronic Balance 8 is positioned at independent
On support 9, described independent rack 9 connects rock core hanging basket 14 by rock core connecting rod 10, in the afterbody of described rock core connecting rod 10
Seal 11 is set, and described seal 11 and rock core hanging basket 14 are respectively positioned in described imbibition ware 12；Described force (forcing) pump 16
Extend into the line afterbody of gas cylinder 17 in described imbibition ware 12, described independent rack 9 by wire with it is described
Data acquisition processing system 19 connect, described data acquisition processing system 19 draws two-way, be overlapped on all the way it is described plus
On line on press pump 16, another way is extend into described imbibition ware 12；It is resistance to that heatproof is provided with described imbibition ware 12
Visual window 13 is pressed, imbibition fluid 15 is filled with described rock core hanging basket 14；Described independent rack 9 is with the only of damping
Staking.
The experiment new device is in insulating box 7, and high Accuracy Electronic Balance 8 (precision a ten thousandth gram) passes through rock core
Connecting rod 10 is connected with rock core hanging basket 14, and rock core is placed in rock core hanging basket 14；In order to avoid surrounding environment is shaken to test result
Influence, high accuracy balance 8 is placed on the independent rack 9 with shock-absorbing function；In experimentation, above control panel 1
Electric touch screen 2 come design temperature and pressure, compressed switch by heater switch 4 and unloading and 5 automatically adjust temperature and pressure, temperature is led to
Electrical heating realization is crossed, pressure is provided by force (forcing) pump 16 or gas cylinder 17, and light switch 3, which is realized in closed environment, to be led to
Cross Real Time Observation of the heat resisting and pressure resisting visual window 13 to experimental phenomena；All experimental results include temperature, pressure, core quality,
The data such as the depth of imbibition fluid 15 are by sensor transmissions to data acquisition processing system 19, and experimental result is automatic after off-test
Generation laboratory report preserves to be printed out by printer 20.
Entirely the concrete operation step of experimental provision is：
1st, 6 are turned on the power switch, temperature and pressure value is set in electric touch screen 2, high Accuracy Electronic Balance 8 returns to zero.
2nd, imbibition fluid (flooding heat resisting and pressure resisting visual window 13) is loaded in imbibition ware 12, rock core is put into rock core hanging basket 14,
Open pressue device 16 or gas cylinder 17.
3rd, heater switch 4 is opened, closing, which is unloaded, compresses switch 5, opens data acquisition processing system 19, checks each bar circuit
Data connect, and preparation starts to test.
4th, in experimentation, under the conditions of normal pressure and temperature, at interval of the regular hour (can customize) enter trip temperature, pressure,
The record of the data such as core quality, data handling system is mapped, real-time display；HTHP, record data need first to unload
Pressure and then opening seal 11, carry out the collection of experimental data, after a period of stabilisation closing seal 11, circulation experiment, directly
Terminate to imbibition experiment.Experimental phenomena in experimentation can be taken pictures by the camera 18 illuminated with anti-explosion LED lamps
Stored with shooting in data acquisition processing system 19.
5th, after off-test, the analysis result of data acquisition processing system 19 automatically generates laboratory report and passes through printer 20
Carry out result output.
Above-mentioned unspecified part is prior art.
Claims (3)
1. the experimental provision of imbibition process after a kind of fine and close oily reservoir fracturing of lab simulation, it is characterised in that：It includes chain of command
Plate (1), insulating box (7), high Accuracy Electronic Balance (8), force (forcing) pump (16), gas cylinder (17), data acquisition processing system
And printer (20) (19)；Described control panel (1) and force (forcing) pump (16), gas cylinder (17) are located at described insulating box
(7) both sides, data acquisition processing system (19) and printer (20) are disposed with the rear of described insulating box (7),
Described high Accuracy Electronic Balance (8) is located at the top of described insulating box (7)；
Described control panel (1) includes superposed electric touch screen (2) and positioned at bottom light switch (3), heater switch
(4), unload and compress switch (5) and power switch (6)；Described light switch (3) and heater switch (4) are located at described unloading and compressed switch
(5) and power switch (6) top；
Camera (18) is extended with the side of described control panel (1), described camera (18) is located at described constant temperature
In case (7), two inductors (1.1) of extraction are extend into imbibition ware (12) on described control panel (1)；
Described high Accuracy Electronic Balance (8) is located at the top of rock core connecting rod (10), and described high Accuracy Electronic Balance (8) is located at
On independent rack (9), described independent rack (9) connects rock core hanging basket (14) by rock core connecting rod (10), in described rock core
The afterbody of connecting rod (10) sets seal (11), and described seal (11) and rock core hanging basket (14) are respectively positioned on described imbibition ware
(12) in；
Described force (forcing) pump (16) and the line afterbody of gas cylinder (17) are extend into described imbibition ware (12),
It is connected in described independent rack (9) by wire with described data acquisition processing system (19), described data are adopted
Collect processing system (19) and draw two-way, be overlapped on all the way on the line on described force (forcing) pump (16), another way extend into described
Imbibition ware (12) in.
2. the experimental provision of imbibition process after the fine and close oily reservoir fracturing of a kind of lab simulation according to claim 1, it is special
Sign is：Heat resisting and pressure resisting visual window (13) is provided with described imbibition ware (12), is filled out in described rock core hanging basket (14)
Filled with imbibition fluid (15).
3. the experimental provision of imbibition process after the fine and close oily reservoir fracturing of a kind of lab simulation according to claim 1 or 2, its
It is characterised by：Described independent rack (9) is the independent rack with damping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720138982.XU CN206945492U (en) | 2017-02-15 | 2017-02-15 | The experimental provision of imbibition process after a kind of fine and close oily reservoir fracturing of lab simulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720138982.XU CN206945492U (en) | 2017-02-15 | 2017-02-15 | The experimental provision of imbibition process after a kind of fine and close oily reservoir fracturing of lab simulation |
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| CN206945492U true CN206945492U (en) | 2018-01-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459556A (en) * | 2018-12-05 | 2019-03-12 | 中国石油大学(北京) | Dynamic imbibition device and the experimental method tested for dynamic imbibition |
| CN109856030A (en) * | 2019-02-15 | 2019-06-07 | 中国石油大学(北京) | The determination method of imbibition experimental provision and imbibition recovery percent of reserves |
| CN110296926A (en) * | 2019-07-16 | 2019-10-01 | 长江大学 | A kind of densification oil rock heart imbibition experimental provision and its experimental method and its experimental system |
| CN109856030B (en) * | 2019-02-15 | 2024-05-24 | 中国石油大学(北京) | Imbibition experimental device and method for determining imbibition extraction degree |
-
2017
- 2017-02-15 CN CN201720138982.XU patent/CN206945492U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459556A (en) * | 2018-12-05 | 2019-03-12 | 中国石油大学(北京) | Dynamic imbibition device and the experimental method tested for dynamic imbibition |
| CN109856030A (en) * | 2019-02-15 | 2019-06-07 | 中国石油大学(北京) | The determination method of imbibition experimental provision and imbibition recovery percent of reserves |
| CN109856030B (en) * | 2019-02-15 | 2024-05-24 | 中国石油大学(北京) | Imbibition experimental device and method for determining imbibition extraction degree |
| CN110296926A (en) * | 2019-07-16 | 2019-10-01 | 长江大学 | A kind of densification oil rock heart imbibition experimental provision and its experimental method and its experimental system |
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