CN105221122A - The visual experimental apparatus of simulation fractured-cavernous carbonate reservoir gas injection and method - Google Patents
The visual experimental apparatus of simulation fractured-cavernous carbonate reservoir gas injection and method Download PDFInfo
- Publication number
- CN105221122A CN105221122A CN201510724935.9A CN201510724935A CN105221122A CN 105221122 A CN105221122 A CN 105221122A CN 201510724935 A CN201510724935 A CN 201510724935A CN 105221122 A CN105221122 A CN 105221122A
- Authority
- CN
- China
- Prior art keywords
- gas
- visual
- piston container
- oil
- clamping device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention provides a kind of visual experimental apparatus and the method for simulating fractured-cavernous carbonate reservoir gas injection.The visual experimental apparatus of simulation fractured-cavernous carbonate reservoir gas injection comprises: computer, video camera, visual core clamping device, planar light source, simulated formation water piston container, stratum simulated oil piston container, gas piston container, constant-flux pump, six-way valve, pressure meter, vacuum tank, back-pressure valve, oil-gas-water metering device, withstand voltage gas flowmeter.Described experimental technique adopts above-mentioned visual experimental apparatus.The present invention can simulate the Production development of fractured-cavernous carbonate reservoir Eor By Gas Injection, and the flow regime of observable huff and puff process Crude Oil, gas and water three-phase and distribution situation.
Description
Technical field
The present invention relates to and improve oil recovery field, be specifically related to a kind of visual experimental apparatus and the method for simulating fractured-cavernous carbonate reservoir gas injection.
Background technology
Fissure-cave type carbonate-reservoir reservoir body is grown alternately based on hole, seam, hole, and non-homogeneity is extremely strong.Face oil well at present and cross the problems such as early leaving, reserves exploitation ability is low, shortage of natural, waterflood efficiency are low, the overall recovery ratio of oil reservoir is lower.Comprehensive analysis mining site Production development, the remaining oil of fractured-cavernous carbonate reservoir mainly comprises wet goods between attic oil, well, injecting gas displacement can employ oil between well, injecting gas is handled up and can be exploited attic oil, thus adopt injecting gas displacement or handle up the recovery ratio improving fracture-cavity type carbonate heavy crude reservoir, driving to compare with chemical flooding and microorganism has incomparable advantage.Visualization Model is easy to flow regime and the distribution situation of observing oil, gas and water three-phase in Eor By Gas Injection (displacement and/or handle up) process, that understands remaining oil in gas injecting mining process or attic oil employs situation, is conducive to the mechanism analyzing Eor By Gas Injection.
But, there is following problem at present: the visual experimental apparatus not having simulation fractured-cavernous carbonate reservoir Eor By Gas Injection that can be withstand voltage.
Summary of the invention
The invention provides a kind of visual experimental apparatus and the method for simulating fractured-cavernous carbonate reservoir gas injection, with the problem that the visualized experiment effect solving simulation fractured-cavernous carbonate reservoir Eor By Gas Injection is bad.
For this reason, the present invention proposes a kind of visual experimental apparatus of simulating fractured-cavernous carbonate reservoir gas injection, and the visual experimental apparatus of described simulation fractured-cavernous carbonate reservoir gas injection comprises:
Vacuum tank;
Back-pressure valve, connects described vacuum tank;
Oil-gas-water metering device, connects described back-pressure valve;
Visual core clamping device, connects described back-pressure valve;
Light source, in the face of described visual core clamping device is arranged;
Simulated formation water piston container and stratum simulated oil piston container, be connected with described visual core clamping device respectively;
Gas flowmeter, connects described visual core clamping device and arranges;
Gas piston container and gas cylinder, connect described gas flowmeter respectively;
Six-way valve, connects described gas piston container, simulated formation water piston container and stratum simulated oil piston container;
Constant-flux pump, connects described six-way valve;
Video camera, takes the image of described visual core clamping device in the face of described visual core clamping device;
Computer, connects described video camera.
Further, described light source is planar light source.
Further, described visual core clamping device comprises:
Tripod;
Rotating shaft, is arranged on described tripod;
The stainless steel annulus be connected with described rotating shaft;
Clear glass, covers the both sides of described stainless steel annulus;
The withstand voltage scope of described visual core clamping device is 0 ~ 5MPa.
Further, the peripheral diameter of described stainless steel annulus is 36mm, and intracavity diameter is 30mm, and thickness is 23mm, and the clear glass thickness of every side is 20mm.
Further, the gas that described gas cylinder holds is nitrogen, carbon dioxide, air or methane, and the outlet pressure of described gas cylinder is 5MPa.
The present invention also proposes a kind of visualized experiment method simulating fractured-cavernous carbonate reservoir gas injection, described visualized experiment method adopts the visual experimental apparatus of foregoing simulation fractured-cavernous carbonate reservoir gas injection, and described visualized experiment method comprises the following steps:
Steps A: rock core physical model is put into visual core clamping device, the space resin of visual core clamping device waters, after to be dried, vacuumized by rock core physical model, described visual core clamping device is provided with multiple opening be communicated with rock core physical model;
Step B: fill crude oil by the simulated oil piston container of stratum, fill formation water in simulated formation water piston container;
Step C: open computer and video camera, starts shooting;
Step D: open planar light source, opens the two ends of constant-flux pump, six-way valve and stratum simulated oil piston container, makes saturated simulated oil in rock core physical model, and the two ends of constant-flux pump, six-way valve and stratum simulated oil piston container are closed in saturated end afterwards;
Step e: open constant-flux pump, the two ends of six-way valve and simulated formation water piston container and simulated formation water piston container and visual rock core accommodate the switch between device, when the moisture content of the first outlet product fluid of visual core clamping device rises to 98%, close the two ends of constant-flux pump, six-way valve and simulated formation water piston container;
Step F: open constant-flux pump, the two ends of six-way valve and simulated formation water piston container and simulated formation water piston container and visual rock core accommodate the switch between device, open gas cylinder and gas flowmeter, export second of visual core clamping device as gas injection well, carry out the first outlet has channeling that gas injection displacement to moisture content is 98%, with the oil gas water three phase volume that the first outlet that oil-gas-water metering device metering moisture content is 98% is flowed out, experiment terminates, and closes all valves.
Further, in step D, the flow velocity of constant-flux pump is 3mL/min.
The present invention also proposes a kind of visualized experiment method simulating fractured-cavernous carbonate reservoir gas injection, described visualized experiment method adopts the visual experimental apparatus of foregoing simulation fractured-cavernous carbonate reservoir gas injection, and described visualized experiment method comprises the following steps:
Steps A: rock core physical model is put into visual core clamping device, the space resin of visual core clamping device waters, and after to be dried, is vacuumized by rock core physical model;
Step B: fill crude oil by the simulated oil piston container of stratum, fill formation water in simulated formation water piston container; Open gas piston container and gas cylinder, regulate the outlet pressure of high-pressure nitrogen bottle to be 5Mpa, to the pressure of gas piston container steadily to 5MPa, close gas piston container and gas cylinder;
Step C: open computer and video camera, starts shooting;
Step D: open planar light source, opens constant-flux pump, the two ends of six-way valve and stratum simulated oil piston container, makes rock core physical model saturation simulation oil, closes constant-flux pump, the two ends of six-way valve and stratum simulated oil piston container;
Step e: open constant-flux pump, the two ends of six-way valve and simulated formation water piston container and simulated formation water piston container and visual rock core accommodate the switch between device, the moisture content accommodating the first outlet product fluid of device when visual rock core rises to 98%, closes all outlet ports;
Step F: open constant-flux pump, the two ends of six-way valve and simulated formation water piston container and simulated formation water piston container and visual rock core accommodate the switch between device, open the first outlet that moisture content in the two ends of gas piston container, gas flowmeter and visual core clamping device is 98%, after gas injection to gas piston container and visual core clamping device pressure balance, close all outlet ports, stewing well 12h;
Step G: after stewing well 12h, by the Pressure Drop of back-pressure valve to 2MPa, opens the first outlet of gas injection, connect back-pressure valve and oil-gas-water metering device, with the oil gas water three phase volume that the metering of oil-gas-water metering device is flowed out, to visual rock core Pressure Drop to 2MPa, stop when no longer including fluid output.
In above-mentioned simulation fractured-cavernous carbonate reservoir Eor By Gas Injection visual Simulation experimental technique, the pressure of piston container can pass through gauge measurement, and during gas injection, the flow of gas is controlled by gas flowmeter and measures.During gas drive, the supplementary information of simulated formation fluid, back-pressure valve is communicated with core clamping device, connects formation water piston container bottom coring device, and the flow that coring device bottom interface simulated formation water flows into is controlled by constant-flux pump.The flow of produced fluid is measured by oil-gas-water metering device, and wherein the flow of output gas is measured by fluid-discharge therapy, uses video camera to take in whole experimentation.
The present invention can simulate the Production development of fractured-cavernous carbonate reservoir Eor By Gas Injection, for seam hole oil reservoir, carried out seam and hole portray after sealing and withstand voltage improvement, and the flow regime of observable huff and puff process Crude Oil, gas and water three-phase and distribution situation, the process achieving gas displacement and handle up, and residual oil (between attic oil and well oil) is visual, that understands remaining oil in gas injecting mining process or attic oil employs situation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the visual core clamping device of the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir of the present invention gas injection;
Fig. 2 is the structural representation of the tripod of the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir of the present invention gas injection;
Fig. 3 is the structural representation of the rock core physical model of the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir of the present invention gas injection;
Fig. 4 is the flow chart of the visualized experiment method of simulation fractured-cavernous carbonate reservoir of the present invention gas injection.
Drawing reference numeral illustrates:
1 computer 2 video camera 3 back-pressure valve 4 oil-gas-water metering device 5 vacuum tank 6 visual core clamping device 7 light source 8 three way cock 9 gas flowmeter 10 gas cylinder 11 simulated formation water piston container 12 simulated formation oil piston container 13 gas piston container 14 six-way valve 15 constant-flux pump 16 valve 17 valve 18 valve 19 valve 20 valve 21 valve 22 valve 23 valve 24 valve 25 valve 26 exports 27 outlets 28 and exports 29 outlets 30 and export 31 valve 32 valves
61 tripod 611 Rubber foot 63 rotating shaft 65 clear glass 67 stainless steel annulus 68 rock core physical models
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the present invention is described.
As shown in Figure 4, the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir of the present invention gas injection comprises following experimental facilities: computer 1 or microcomputer, video camera 2, visual core clamping device 6, light source 7, simulated formation water piston container 11, stratum simulated oil piston container 12, gas piston container 13, constant-flux pump 15, six-way valve 14, pressure meter, unit with balanced pressure 5, (corrosion-resistant) back-pressure valve 3, oil-gas-water metering device 4, gas cylinder 10, gas flowmeter 9, three way cock 8, valve 16, valve 17, , valve 18, valve 19, valve 20, valve 21, valve 22, valve 23, valve 24, valve 25, outlet 26, outlet 27, outlet 28, outlet 29, outlet 30, valve 31, valve 32 and the corresponding pipeline between being connected to upper-part and circuit.
The annexation of these parts above-mentioned is: back-pressure valve, connects described vacuum tank; Oil-gas-water metering device, connects described back-pressure valve; Light source, in the face of described visual core clamping device is arranged, for the form that the visual core clamping device that throws light on is arranged; Simulated formation water piston container and stratum simulated oil piston container, be connected with described visual core clamping device respectively; Gas flowmeter, connects described visual core clamping device and arranges; Gas piston container and gas cylinder, connect described gas flowmeter respectively; Six-way valve, connects described gas piston container, simulated formation water piston container and stratum simulated oil piston container; Constant-flux pump, connects described six-way valve; Video camera, takes the image of described visual core clamping device in the face of described visual core clamping device; Computer, connects described video camera, the image of record or the shooting of storage video camera.
Light source is planar light source, to obtain uniform illuminating effect.What visual core clamping device was provided with that tripod can be stable is supported on work plane, thus, can match, obtain stable shooting effect with video camera and planar light source.Visual core clamping device is provided with rotating shaft, is convenient to install rock core, is convenient to the install and adjust of visual core clamping device.The clear glass thickness of the form of visual core clamping device is 20mm, can bear larger pressure.
(1) visual core clamping device
As depicted in figs. 1 and 2, the main body of this rock core blessing device is a model peripheral diameter is 36mm, mould impression diameter is the stainless steel annulus 67 of 30mm, the thick 23mm of stainless steel annulus, the sidewall of stainless steel annulus 67 14 screw sockets that distribute (are used for being communicated with rock core physical model also referred to as outlet or screw, outlet is such as outlet 26, outlet 27, outlet 28, outlet 29, outlet 30, each outlet is arranged the valve of the opening and closing controlling outlet).Stainless steel annulus comprises stainless steel main body annulus and both sides stainless steel pressure ring.Respectively have the clear glass 65 of one piece of thick 20mm between stainless steel main body annulus and both sides stainless steel pressure ring, with washer sealing between clear glass 65 and stainless steel annulus 67 and pressure ring, such withstand voltage properties is better.The conglobate form of clear glass 65 shape.Fixed by stud between stainless steel pressure ring and main body annulus.This stainless steel annulus is placed on steel tripod 61, is connected between stainless steel annulus with tripod 61 by rotating shaft 63, and Rubber foot is arranged at the bottom of tripod 61, can damping.This device is withstand voltage, and scope is 0 ~ 5MPa, vertically places during use.
(2) rock core physical model preparation method
Experiment rock core physical model adopts calcium carbonate powder, epoxy resin reinforcing agent is built, the thick 5 ~ 18mm of rock core physical model, diameter 15 ~ 30mm.As shown in Figure 3, rock core physical model 68 is placed in the center of visual core clamping device 6, and its gap adopts epoxy resin to build sealing.
The visualized experiment method of simulation fractured-cavernous carbonate reservoir of the present invention gas injection can be carried out gas injection displacement and be improved recovery ratio visualized experiment, also can carry out huff and puff and improve recovery ratio visualized experiment, namely the visualized experiment method of simulation fractured-cavernous carbonate reservoir of the present invention gas injection is that gas injection displacement improves recovery ratio visualized experiment method, or is huff and puff raising recovery ratio visualized experiment method.
(3) gas injection displacement improves recovery ratio visualized experiment method
Steps A: rock core physical model 68 is put into visual core clamping device 6, the space resin of visual core clamping device 6 waters, and after to be dried, is vacuumized by rock core physical model 68;
Step B: fill crude oil by stratum simulated oil piston container 12, fill formation water in simulated formation water piston container 11;
Step C: open computer 1 and video camera 2, starts shooting;
Step D: open planar light source 7, open the two ends of constant-flux pump 15, six-way valve 14 and stratum simulated oil piston container 12, make saturated simulated oil in rock core physical model 68, the two ends of constant-flux pump 15, six-way valve 14 and stratum simulated oil piston container 12 are closed in saturated end afterwards;
Step e: open constant-flux pump 15, the two ends of six-way valve 14 and simulated formation water piston container 11 and simulated formation water piston container 11 and visual rock core accommodate switch 29 between device 6 and switch 30, open the two ends of constant-flux pump 15, six-way valve 14 and simulated formation water piston container 11, when the moisture content of outlet 28 product fluid of visual core clamping device 6 rises to 98%, close the two ends of constant-flux pump 15, six-way valve 14 and simulated formation water piston container 11;
Step F: open constant-flux pump 15, the two ends of six-way valve 14 and simulated formation water piston container 11 and simulated formation water piston container 11 and visual rock core accommodate switch 29 between device 6 and switch 30, open gas cylinder 10 and gas flowmeter 9, using another outlet 26 of visual core clamping device 6 as gas injection well, carry out outlet 28 has channeling that gas injection displacement to moisture content is 98%, the oil gas water three phase volume that moisture content is the outlet outflow of 98% is measured with oil-gas-water metering device 4, experiment terminates, and closes all valves.
(4) huff and puff improves recovery ratio visualized experiment method
Steps A: rock core physical model 68 is put into visual core clamping device 6, the space resin of visual core clamping device 6 waters, and after to be dried, is vacuumized by rock core physical model 68;
Step B: fill crude oil by stratum simulated oil piston container 12, fill formation water in simulated formation water piston container 11; Open gas piston container 13 and gas cylinder 10, regulate the outlet pressure of high-pressure nitrogen bottle 10 to be 5MPa, to the pressure of gas piston container 13 steadily to 5MPa, close gas piston container 13 and gas cylinder 10;
Step C: open computer 1 and video camera 2, starts shooting;
Step D: open planar light source 7, opens constant-flux pump 15, the two ends of six-way valve 14 and stratum simulated oil piston container 12, makes rock core physical model 68 saturation simulation oil, closes constant-flux pump 15, the two ends of six-way valve 14 and stratum simulated oil piston container 12;
Step e: open constant-flux pump 15, the two ends of six-way valve 14 and simulated formation water piston container 11 and simulated formation water piston container 11 and visual rock core accommodate switch 29 between device 6 and switch 30, when the moisture content that visual rock core accommodates outlet 28 product fluid of device 6 rises to 98%, close all outlet ports.
Step F: open constant-flux pump 15, the two ends of six-way valve 14 and simulated formation water piston container 11 and simulated formation water piston container 11 and visual rock core accommodate switch 29 between device 6 and switch 30, opening moisture content in the two ends of gas piston container 13, gas flowmeter 9 and visual core clamping device 6 is the outlet 28 of 98%, gas injection is to gas piston container 13 and the pressure balance of visual core clamping device 6, close all outlet ports, stewing well 12h;
Step G: after stewing well 12h, by the Pressure Drop of back-pressure valve 3 to 2MPa, open the outlet 28 (gas injection and output are same outlets) of gas injection, connect back-pressure valve 3 and oil-gas-water metering device 4, the oil gas water three phase volume flowed out is measured with oil-gas-water metering device 4, to visual rock core Pressure Drop to 2MPa, stop when no longer including fluid output.
Illustrate below and use the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir of the present invention gas injection and method to carry out the experimental result of testing.
Experiment one.Gas injection displacement improves recovery ratio visualized experiment.
Before experiment, all valves are in closed condition.Rock core physical model is put into visual core clamping device 6, and its space resin waters, and after to be dried, is vacuumized by rock core physical model.Fill stratum simulated oil in stratum simulated oil piston container 12, in simulated formation water piston container 11, fill simulated formation water.Open microcomputer 1 and video camera 2, start shooting.Open planar light source, open the two ends of constant-flux pump 15, six-way valve 14 and stratum simulated oil piston container 12, make saturated simulated oil in rock core physical model 68, the two ends of constant-flux pump 15, six-way valve 14 and stratum simulated oil piston container 12 are closed in saturated end afterwards.Open planar light source, open the power switch of constant-flux pump 15, the flow velocity of constant-flux pump 15 is made to be adjusted to 3mL/min, startup optimization switch, opens six-way valve 14, valve 23, valve 20, valve 29, valve 30 successively, uses oil-gas-water metering device 4 to measure the liquid flowed out, moisture content to outlet 28 product fluid rises to 98%, valve-off 20 successively, valve 23, six-way valve 14 and constant-flux pump 15.Open nitrogen cylinder valve 19, gas flowmeter 9, and to arrange gas flow be 3mL/min, open the valve 17 of three way cock 8 and outlet 28 and valve 32, to export 26 as gas injection well.Measure the oil gas water three phase volume flowed out in outlet 28 with oil-gas-water metering device 4, gas drive is to outlet 28 has channelings, and experiment stops, and closes all valves.
Experimental result shows, nitrogen flooding can improve recovery ratio 15.43% on bottom water drive basis.Can be obtained by video recording analysis, start the ratio of remaining oil and be respectively attic oil 10.72%, oil 2.86% between well, streams oil 1.85%, nitrogen injection displacement can actuating section attic oil and stream oil, and can displacement go out part well between oil.
Experiment two.Huff and puff improves recovery ratio visualized experiment.
Before experiment, all valves are in closed condition.Rock core physical model 68 is put into visual core clamping device 6, and its space resin waters, and after band drying, is vacuumized by rock core physical model.Fill crude oil by stratum simulated oil piston container 12, in simulated formation water piston container 11, fill formation water; Open gas piston container 13, gas cylinder 10, valve 19 and valve 22, regulate the outlet pressure of high-pressure nitrogen bottle 10 to be 5MPa, to the pressure of gas piston container 13 steadily to 5MPa, close gas piston container 13 and gas cylinder 10.Open computer 1 and video camera 2, start shooting.Open planar light source, open the power switch of constant-flux pump 15, the flow velocity of constant-flux pump 15 is made to be adjusted to 3mL/min, startup optimization switch, open the two ends of six-way valve 14 and stratum simulated oil piston container 12 successively, make rock core physical model saturation simulation oil, close constant-flux pump 15, the two ends of six-way valve 14 and stratum simulated oil piston container 12.Open constant-flux pump 15, the two ends of six-way valve 14 and simulated formation water piston container 11 and simulated formation water piston container 11 and visual rock core accommodate valve 29, valve 30 between device 6, when the moisture content that visual rock core accommodates outlet 28 product fluid of device 6 rises to 98%, close constant-flux pump 15, the two ends of six-way valve 14 and simulated formation water piston container 11 and simulated formation water piston container 11 and visual rock core accommodate valve 29, the valve 30 between device 6 and export 28.Opening moisture content in the two ends of gas piston container 13, gas flowmeter 9 and visual core clamping device 6 is the outlet 28 of 98%, gas injection to gas piston container 13 and visual rock core accommodate the pressure of device 6 consistent time, close all outlet ports, stewing well 12h; After stewing well 12h, by the Pressure Drop of back-pressure valve 3 to 2MPa, open the outlet 28 of gas injection, connect back-pressure valve 3 and oil-gas-water metering device 4, measure the oil gas water three phase volume flowed out with oil-gas-water metering device 4, to visual rock core Pressure Drop to 2MPa, stop when no longer including fluid output.
Experimental result shows, nitrogen flooding can improve recovery ratio 19.27% on bottom water drive basis.Can be obtained by video recording analysis, the ratio starting remaining oil is respectively attic oil 16.58%, streams oil 2.69%, and nitrogen injection is handled up and can be started attic oil and stream oil.
The foregoing is only the schematic detailed description of the invention of the present invention, and be not used to limit scope of the present invention.For each ingredient of the present invention can mutually combine under the condition of not conflicting, any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (8)
1. simulate a visual experimental apparatus for fractured-cavernous carbonate reservoir gas injection, it is characterized in that, the visual experimental apparatus of described simulation fractured-cavernous carbonate reservoir gas injection comprises:
Vacuum tank;
Back-pressure valve, connects described vacuum tank;
Oil-gas-water metering device, connects described back-pressure valve;
Visual core clamping device, connects described back-pressure valve;
Light source, in the face of described visual core clamping device is arranged;
Simulated formation water piston container and stratum simulated oil piston container, be connected with described visual core clamping device respectively;
Gas flowmeter, connects described visual core clamping device and arranges;
Gas piston container and gas cylinder, connect described gas flowmeter respectively;
Six-way valve, connects described gas piston container, simulated formation water piston container and stratum simulated oil piston container;
Constant-flux pump, connects described six-way valve;
Video camera, takes the image of described visual core clamping device in the face of described visual core clamping device;
Computer, connects described video camera.
2. the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir as claimed in claim 1 gas injection, it is characterized in that, described light source is planar light source.
3. the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir as claimed in claim 1 gas injection, it is characterized in that, described visual core clamping device comprises:
Tripod;
Rotating shaft, is arranged on described tripod;
The stainless steel annulus be connected with described rotating shaft;
Clear glass, covers the both sides of described stainless steel annulus;
The withstand voltage scope of described visual core clamping device is 0 ~ 5MPa.
4. the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir as claimed in claim 1 gas injection, it is characterized in that, the peripheral diameter of described stainless steel annulus is 36mm, and intracavity diameter is 30mm, and thickness is 23mm, and the clear glass thickness of every side is 20mm.
5. the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir as claimed in claim 1 gas injection, it is characterized in that, the gas that described gas cylinder holds is nitrogen, carbon dioxide, air or methane, and the outlet pressure of described gas cylinder is 5MPa.
6. simulate the visualized experiment method of fractured-cavernous carbonate reservoir gas injection for one kind, it is characterized in that, described visualized experiment method adopts the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir according to claim 1 gas injection, and described visualized experiment method comprises the following steps:
Steps A: rock core physical model is put into visual core clamping device, the space resin of visual core clamping device waters, after to be dried, vacuumized by rock core physical model, described visual core clamping device is provided with multiple opening be communicated with rock core physical model;
Step B: fill crude oil by the simulated oil piston container of stratum, fill formation water in simulated formation water piston container;
Step C: open computer and video camera, starts shooting;
Step D: open planar light source, opens the two ends of constant-flux pump, six-way valve and stratum simulated oil piston container, makes saturated simulated oil in rock core physical model, and the two ends of constant-flux pump, six-way valve and stratum simulated oil piston container are closed in saturated end afterwards;
Step e: open constant-flux pump, the two ends of six-way valve and simulated formation water piston container and simulated formation water piston container and visual rock core accommodate the switch between device, when the moisture content of the first outlet product fluid of visual core clamping device rises to 98%, close the two ends of constant-flux pump, six-way valve and simulated formation water piston container;
Step F: open constant-flux pump, the two ends of six-way valve and simulated formation water piston container and simulated formation water piston container and visual rock core accommodate the switch between device, open gas cylinder and gas flowmeter, export second of visual core clamping device as gas injection well, carry out the first outlet has channeling that gas injection displacement to moisture content is 98%, with the oil gas water three phase volume that the first outlet that oil-gas-water metering device metering moisture content is 98% is flowed out, experiment terminates, and closes all valves.
7. the visualized experiment method of simulation fractured-cavernous carbonate reservoir as claimed in claim 6 gas injection, it is characterized in that, in step D, the flow velocity of constant-flux pump is 3mL/min.
8. simulate the visualized experiment method of fractured-cavernous carbonate reservoir gas injection for one kind, it is characterized in that, described visualized experiment method adopts the visual experimental apparatus of simulation fractured-cavernous carbonate reservoir according to claim 1 gas injection, and described visualized experiment method comprises the following steps:
Steps A: rock core physical model is put into visual core clamping device, the space resin of visual core clamping device waters, and after to be dried, is vacuumized by rock core physical model;
Step B: fill crude oil by the simulated oil piston container of stratum, fill formation water in simulated formation water piston container; Open gas piston container and gas cylinder, regulate the outlet pressure of high-pressure nitrogen bottle to be 5Mpa, to the pressure of gas piston container steadily to 5MPa, close gas piston container and gas cylinder;
Step C: open computer and video camera, starts shooting;
Step D: open planar light source, opens constant-flux pump, the two ends of six-way valve and stratum simulated oil piston container, makes rock core physical model saturation simulation oil, closes constant-flux pump, the two ends of six-way valve and stratum simulated oil piston container;
Step e: open constant-flux pump, the two ends of six-way valve and simulated formation water piston container and simulated formation water piston container and visual rock core accommodate the switch between device, the moisture content accommodating the first outlet product fluid of device when visual rock core rises to 98%, closes all outlet ports;
Step F: open constant-flux pump, the two ends of six-way valve and simulated formation water piston container and simulated formation water piston container and visual rock core accommodate the switch between device, open the first outlet that moisture content in the two ends of gas piston container, gas flowmeter and visual core clamping device is 98%, after gas injection to gas piston container and visual core clamping device pressure balance, close all outlet ports, stewing well 12h;
Step G: after stewing well 12h, by the Pressure Drop of back-pressure valve to 2MPa, opens the first outlet of gas injection, connect back-pressure valve and oil-gas-water metering device, with the oil gas water three phase volume that the metering of oil-gas-water metering device is flowed out, to visual rock core Pressure Drop to 2MPa, stop when no longer including fluid output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724935.9A CN105221122B (en) | 2015-10-29 | 2015-10-29 | Simulate the visual experimental apparatus and method of fractured-cavernous carbonate reservoir gas injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724935.9A CN105221122B (en) | 2015-10-29 | 2015-10-29 | Simulate the visual experimental apparatus and method of fractured-cavernous carbonate reservoir gas injection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221122A true CN105221122A (en) | 2016-01-06 |
| CN105221122B CN105221122B (en) | 2018-08-17 |
Family
ID=54990346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510724935.9A Active CN105221122B (en) | 2015-10-29 | 2015-10-29 | Simulate the visual experimental apparatus and method of fractured-cavernous carbonate reservoir gas injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105221122B (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525911A (en) * | 2016-01-27 | 2016-04-27 | 中国石油大学(北京) | Experiment device used for monitoring formation of artificial gas cap |
| CN105525912A (en) * | 2016-01-27 | 2016-04-27 | 中国石油大学(北京) | Experiment method for monitoring formation of artificial gas cap |
| CN106401577A (en) * | 2016-06-17 | 2017-02-15 | 中国海洋石油总公司 | Visual testing device and method for simulating bottom water coning of bottom water gas reservoir gas well |
| CN106437637A (en) * | 2016-09-19 | 2017-02-22 | 北京科技大学 | Visualization microscopic experimental device and method for displacing super heavy oil by using high-temperature high-pressure carbon dioxide |
| CN106525655A (en) * | 2016-10-25 | 2017-03-22 | 中国石油天然气股份有限公司 | A gas-liquid injection simulated oil displacement and fluid performance measuring device and method |
| CN107023282A (en) * | 2017-06-16 | 2017-08-08 | 北京永瑞达科贸有限公司 | Oil gas water three phase displacement visual experimental apparatus |
| CN108287133A (en) * | 2018-02-02 | 2018-07-17 | 中国地质调查局油气资源调查中心 | Shale immersion test observation device |
| CN108316904A (en) * | 2018-04-08 | 2018-07-24 | 西南石油大学 | A kind of fracture-pore reservoir water injection well is acidified simulator online |
| CN108872230A (en) * | 2017-05-10 | 2018-11-23 | 中国石油天然气股份有限公司 | CO2Lotion, which is handled up, improves the evaluation method and device of residual oil Flooding Efficiency |
| CN109113695A (en) * | 2018-10-08 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of Profile Control in Injection Well visual experimental apparatus and its experimental method |
| CN109142683A (en) * | 2018-09-19 | 2019-01-04 | 中国海洋石油集团有限公司 | A kind of displacement test device and experimental method |
| CN109142673A (en) * | 2018-07-27 | 2019-01-04 | 中国石油大学(北京) | Simulate the real-time observation test device in foam-based VES acid etch crack |
| CN109163880A (en) * | 2018-09-18 | 2019-01-08 | 天津大学 | A method of simulation carbon dioxide saturated solution is formed and bleeding process |
| CN109538175A (en) * | 2017-09-22 | 2019-03-29 | 中国石油化工股份有限公司 | The resident method sealed up for safekeeping of LOW PERMEABILITY RESERVOIR water slug auxiliary nitrogen soak |
| CN109827884A (en) * | 2019-03-15 | 2019-05-31 | 西北大学 | A kind of true sandstone high-temperature and high-pressure visual seepage experimental apparatus and method |
| CN109882149A (en) * | 2018-01-29 | 2019-06-14 | 西南石油大学 | A kind of experimental provision and method for simulating fracture-cavity type carbonate gas condensate reservoir Production development |
| CN110043253A (en) * | 2019-04-15 | 2019-07-23 | 西南石油大学 | Multi-functional fracture hole oil reservoir high-temperature and high-pressure visual injecting physical model |
| CN110320130A (en) * | 2018-03-30 | 2019-10-11 | 中国石油化工股份有限公司 | Observe the device and method of shale core gas happening law |
| CN110821459A (en) * | 2019-11-19 | 2020-02-21 | 西南石油大学 | Simple high-temperature-resistant high-pressure-resistant visual seam hole physical model |
| CN112627783A (en) * | 2019-09-24 | 2021-04-09 | 中国石油天然气股份有限公司 | Experimental device for improving gas injection recovery ratio through low-frequency pressure transformation |
| CN112782205A (en) * | 2021-02-07 | 2021-05-11 | 西南石油大学 | High-temperature and high-pressure resistant X-CT scanning long core displacement device for analyzing crude oil distribution of oil-gas reservoir |
| CN112943189A (en) * | 2021-05-06 | 2021-06-11 | 海安县石油科研仪器有限公司 | High-sealing-performance water-flooding simulation system equipment for fractured reservoirs |
| CN114135280A (en) * | 2021-12-03 | 2022-03-04 | 中国矿业大学 | Carbonate fracture-cave oil reservoir displacement physical model, driving device and manufacturing method |
| CN114427400A (en) * | 2020-09-21 | 2022-05-03 | 中国石油化工股份有限公司 | Method for improving development effect of biological limestone oil reservoir by utilizing acid-producing microorganisms |
| WO2022127346A1 (en) * | 2020-12-14 | 2022-06-23 | 浙江海洋大学 | Experimental method and device for ultra-low permeability oil reservoir co2 displacement process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575209B (en) * | 2017-09-13 | 2020-06-30 | 中国石油大学(北京) | Large visual physical simulation experiment device and method for fractured-vuggy carbonate reservoir |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012017197A1 (en) * | 2010-08-06 | 2012-02-09 | Bp Exploration Operating Company Limited | Apparatus and method for testing multiple samples |
| CN102748018A (en) * | 2012-07-23 | 2012-10-24 | 中国石油天然气股份有限公司 | Device and method for thickened oil deposit gas injection huff-puff oil extraction physical simulation experiments |
| CN202673289U (en) * | 2012-07-17 | 2013-01-16 | 中国石油大学(北京) | Visual simulation experiment device for fracture-cavity carbonate reservoir |
| CN102900408A (en) * | 2012-10-15 | 2013-01-30 | 西南石油大学 | Experimental evaluation method of gas-injection displaceable oil of fracture-cave type carbonate reservoir |
| CN103556994A (en) * | 2013-11-19 | 2014-02-05 | 中国石油大学(华东) | Experimental detecting system and detecting method for distribution of remaining oil in fracture-cavity reservoir bed |
| CN204267010U (en) * | 2014-11-24 | 2015-04-15 | 中国石油大学(北京) | Horizontal wells in heavy oil reservoir thermal recovery two-dimensional physical analogue means |
| CN104612674A (en) * | 2015-01-29 | 2015-05-13 | 中国石油大学(北京) | Simulate fracture-cavity type carbonate reservoir huff and puff test device and method |
-
2015
- 2015-10-29 CN CN201510724935.9A patent/CN105221122B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012017197A1 (en) * | 2010-08-06 | 2012-02-09 | Bp Exploration Operating Company Limited | Apparatus and method for testing multiple samples |
| CN202673289U (en) * | 2012-07-17 | 2013-01-16 | 中国石油大学(北京) | Visual simulation experiment device for fracture-cavity carbonate reservoir |
| CN102748018A (en) * | 2012-07-23 | 2012-10-24 | 中国石油天然气股份有限公司 | Device and method for thickened oil deposit gas injection huff-puff oil extraction physical simulation experiments |
| CN102900408A (en) * | 2012-10-15 | 2013-01-30 | 西南石油大学 | Experimental evaluation method of gas-injection displaceable oil of fracture-cave type carbonate reservoir |
| CN103556994A (en) * | 2013-11-19 | 2014-02-05 | 中国石油大学(华东) | Experimental detecting system and detecting method for distribution of remaining oil in fracture-cavity reservoir bed |
| CN204267010U (en) * | 2014-11-24 | 2015-04-15 | 中国石油大学(北京) | Horizontal wells in heavy oil reservoir thermal recovery two-dimensional physical analogue means |
| CN104612674A (en) * | 2015-01-29 | 2015-05-13 | 中国石油大学(北京) | Simulate fracture-cavity type carbonate reservoir huff and puff test device and method |
Non-Patent Citations (3)
| Title |
|---|
| 侯吉瑞 等: "《碳酸盐岩缝洞型油藏氮气驱提高采收率的影响因素》", 《油气地质与采收率》 * |
| 李巍 等: "《碳酸盐岩缝洞型油藏剩余油类型及影响因素》", 《断块油气田》 * |
| 李海波 等: "《碳酸盐岩缝洞型油藏氮气泡沫驱提高采收率机理可视化研究》", 《油气地质与采收率》 * |
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525911B (en) * | 2016-01-27 | 2019-01-18 | 中国石油大学(北京) | For monitoring the experimental provision of artificial gas cap formation |
| CN105525912A (en) * | 2016-01-27 | 2016-04-27 | 中国石油大学(北京) | Experiment method for monitoring formation of artificial gas cap |
| CN105525911A (en) * | 2016-01-27 | 2016-04-27 | 中国石油大学(北京) | Experiment device used for monitoring formation of artificial gas cap |
| CN106401577A (en) * | 2016-06-17 | 2017-02-15 | 中国海洋石油总公司 | Visual testing device and method for simulating bottom water coning of bottom water gas reservoir gas well |
| CN106437637A (en) * | 2016-09-19 | 2017-02-22 | 北京科技大学 | Visualization microscopic experimental device and method for displacing super heavy oil by using high-temperature high-pressure carbon dioxide |
| CN106437637B (en) * | 2016-09-19 | 2018-12-25 | 北京科技大学 | High temperature and pressure carbon dioxide flooding super-viscous oil visualizes microcosmos experiment method |
| CN106525655A (en) * | 2016-10-25 | 2017-03-22 | 中国石油天然气股份有限公司 | A gas-liquid injection simulated oil displacement and fluid performance measuring device and method |
| CN106525655B (en) * | 2016-10-25 | 2019-06-11 | 中国石油天然气股份有限公司 | A kind of gas-liquid injection imitation oil displacement experiment and fluid property measurement device and method |
| CN108872230A (en) * | 2017-05-10 | 2018-11-23 | 中国石油天然气股份有限公司 | CO2Lotion, which is handled up, improves the evaluation method and device of residual oil Flooding Efficiency |
| CN107023282A (en) * | 2017-06-16 | 2017-08-08 | 北京永瑞达科贸有限公司 | Oil gas water three phase displacement visual experimental apparatus |
| CN109538175B (en) * | 2017-09-22 | 2021-06-01 | 中国石油化工股份有限公司 | Method for assisting nitrogen gas huff-puff resident sealing storage of low-permeability reservoir water slug |
| CN109538175A (en) * | 2017-09-22 | 2019-03-29 | 中国石油化工股份有限公司 | The resident method sealed up for safekeeping of LOW PERMEABILITY RESERVOIR water slug auxiliary nitrogen soak |
| CN109882149A (en) * | 2018-01-29 | 2019-06-14 | 西南石油大学 | A kind of experimental provision and method for simulating fracture-cavity type carbonate gas condensate reservoir Production development |
| CN109882149B (en) * | 2018-01-29 | 2023-04-07 | 西南石油大学 | Experimental device and method for simulating production dynamics of fracture-cavity carbonate condensate gas reservoir |
| CN108287133A (en) * | 2018-02-02 | 2018-07-17 | 中国地质调查局油气资源调查中心 | Shale immersion test observation device |
| CN108287133B (en) * | 2018-02-02 | 2024-03-22 | 中国地质调查局油气资源调查中心 | Shale soaking experiment observation equipment |
| CN110320130A (en) * | 2018-03-30 | 2019-10-11 | 中国石油化工股份有限公司 | Observe the device and method of shale core gas happening law |
| CN110320130B (en) * | 2018-03-30 | 2022-02-22 | 中国石油化工股份有限公司 | Device and method for observing gas production rule of shale core |
| CN108316904A (en) * | 2018-04-08 | 2018-07-24 | 西南石油大学 | A kind of fracture-pore reservoir water injection well is acidified simulator online |
| CN109142673A (en) * | 2018-07-27 | 2019-01-04 | 中国石油大学(北京) | Simulate the real-time observation test device in foam-based VES acid etch crack |
| CN109163880A (en) * | 2018-09-18 | 2019-01-08 | 天津大学 | A method of simulation carbon dioxide saturated solution is formed and bleeding process |
| CN109142683A (en) * | 2018-09-19 | 2019-01-04 | 中国海洋石油集团有限公司 | A kind of displacement test device and experimental method |
| CN109113695A (en) * | 2018-10-08 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of Profile Control in Injection Well visual experimental apparatus and its experimental method |
| CN109827884B (en) * | 2019-03-15 | 2021-08-27 | 西北大学 | Real sandstone high-temperature high-pressure visual seepage experiment device and method |
| CN109827884A (en) * | 2019-03-15 | 2019-05-31 | 西北大学 | A kind of true sandstone high-temperature and high-pressure visual seepage experimental apparatus and method |
| CN110043253A (en) * | 2019-04-15 | 2019-07-23 | 西南石油大学 | Multi-functional fracture hole oil reservoir high-temperature and high-pressure visual injecting physical model |
| CN112627783A (en) * | 2019-09-24 | 2021-04-09 | 中国石油天然气股份有限公司 | Experimental device for improving gas injection recovery ratio through low-frequency pressure transformation |
| CN112627783B (en) * | 2019-09-24 | 2023-04-25 | 中国石油天然气股份有限公司 | Experimental device for low-frequency pressure transformation improves gas injection recovery ratio |
| CN110821459A (en) * | 2019-11-19 | 2020-02-21 | 西南石油大学 | Simple high-temperature-resistant high-pressure-resistant visual seam hole physical model |
| CN114427400A (en) * | 2020-09-21 | 2022-05-03 | 中国石油化工股份有限公司 | Method for improving development effect of biological limestone oil reservoir by utilizing acid-producing microorganisms |
| WO2022127346A1 (en) * | 2020-12-14 | 2022-06-23 | 浙江海洋大学 | Experimental method and device for ultra-low permeability oil reservoir co2 displacement process |
| CN112782205A (en) * | 2021-02-07 | 2021-05-11 | 西南石油大学 | High-temperature and high-pressure resistant X-CT scanning long core displacement device for analyzing crude oil distribution of oil-gas reservoir |
| CN112943189A (en) * | 2021-05-06 | 2021-06-11 | 海安县石油科研仪器有限公司 | High-sealing-performance water-flooding simulation system equipment for fractured reservoirs |
| CN114135280A (en) * | 2021-12-03 | 2022-03-04 | 中国矿业大学 | Carbonate fracture-cave oil reservoir displacement physical model, driving device and manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105221122B (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105221122A (en) | The visual experimental apparatus of simulation fractured-cavernous carbonate reservoir gas injection and method | |
| CN102797458B (en) | For the three-dimensional simulation device of bottom and edge water | |
| CN101446189B (en) | Supercritical carbon dioxide drive physical analogue device | |
| CN106840977A (en) | Slurry filling imitation device | |
| CN103048431B (en) | Hydrofracture propping agent settlement and permeability testing device | |
| CN106814016A (en) | The analogy method of slurry filling imitation device | |
| CN105178927B (en) | A kind of displacement simulation experimental provision and system | |
| CN104612674A (en) | Simulate fracture-cavity type carbonate reservoir huff and puff test device and method | |
| CN113090233B (en) | Heterogeneous reservoir CO simulation 2 Flooding, injection and production coupling experimental device and method | |
| CN104833618B (en) | To heterogeneous reservoir simulate the method and apparatus of profile control in laboratory | |
| CN107288632B (en) | Coal-rock reservoir drainage and production water source and pressure drop path simulation device and method | |
| CN102094642A (en) | Intraformationally heterogeneous model oil-water displacement efficiency evaluation system | |
| CN104632153B (en) | Experiment system for water reciprocating movement law of water drive oil and gas reservoir type gas storage | |
| CN112627783B (en) | Experimental device for low-frequency pressure transformation improves gas injection recovery ratio | |
| CN110285865B (en) | System and method for simulating gas loss in shale field coring process | |
| CN103674593B (en) | A kind of device and method for simulating the flood pot test of low permeability reservoir pressure break straight well | |
| CN102587889B (en) | Experimental system for simulating solid-phase particles to plug coal (rock) cracks | |
| CN105134149B (en) | A kind of change carbon dioxide between injection-production well and drive the apparatus and method of situation | |
| CN103256047A (en) | Method for researching variable mass multiphase flowing regular in horizontal well fracturing completion method | |
| CN113008682A (en) | True triaxial hydraulic fracturing simulation test device and method for natural gas hydrate reservoir | |
| CN201935852U (en) | Selective water plugging simulation device system of oil well | |
| CN102720479B (en) | For the physical simulating device of gas cap reservoir | |
| CN109101046A (en) | Gas production flow control system is infused in gas storage physical analogy | |
| CN107575209B (en) | Large visual physical simulation experiment device and method for fractured-vuggy carbonate reservoir | |
| CN106089190A (en) | A kind of oil-extracting screw pump solid-liquid-gas three phase stream ground simulating device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |