CN111980694A - Automatic displacement medium control device for experiments - Google Patents
Automatic displacement medium control device for experiments Download PDFInfo
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- CN111980694A CN111980694A CN202010938292.9A CN202010938292A CN111980694A CN 111980694 A CN111980694 A CN 111980694A CN 202010938292 A CN202010938292 A CN 202010938292A CN 111980694 A CN111980694 A CN 111980694A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 37
- 238000002347 injection Methods 0.000 claims abstract description 47
- 239000007924 injection Substances 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 239000011435 rock Substances 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims abstract description 8
- 239000006260 foam Substances 0.000 claims description 62
- 238000009833 condensation Methods 0.000 claims description 24
- 230000005494 condensation Effects 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 7
- 239000000243 solution Substances 0.000 description 26
- 241000883990 Flabellum Species 0.000 description 6
- 239000004088 foaming agent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/008—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by injection test; by analysing pressure variations in an injection or production test, e.g. for estimating the skin factor
Abstract
The invention discloses an automatic displacement medium control system for experiments, which comprises an injection device, a simulation device, an automatic control device and a data acquisition device, wherein a flowmeter is fixedly connected between a liquid storage tank and a water injection pump, a regulating valve is communicated with the water injection pump, a first intermediate container and a second intermediate container, the bottoms of the first intermediate container and the second intermediate container are fixedly connected with heaters, a four-way valve is communicated with the first intermediate container, the second intermediate container and a rock core holder, a ring pressure pump is fixedly connected below the rock core holder, a pressure sensor is fixedly connected to the right side of the rock core holder, and a computer is electrically connected with the controller. The displacement fluid is replaced automatically, different media are transported by a plurality of middle containers, impurities are prevented from being produced by the middle containers, and the accuracy of experimental data is guaranteed.
Description
Technical Field
The invention relates to the field of oilfield production experiments, in particular to an automatic displacement medium control device for experiments.
Background
The displacement experiment is an experiment commonly used in oil and gas field development experiments, namely, the experiment for replacing water or oil by using oil or water at a certain flow rate under a certain temperature and pressure by using the osmosis effect so as to measure the porosity of rocks and test the oil recovery performance.
When present displacement experiment needs to switch the medium, needs the manual replacement of laboratory technician, can't guarantee the continuity of experiment, uses same middle container to transport the medium moreover, arouses experimental data's error like this easily, and the medium takes place to react in the middle container simultaneously and generates easily and deposits impurity, blocks up the transportation of medium.
Disclosure of Invention
The invention aims to provide an automatic displacement medium control device for experiments, which aims to solve the technical problems that displacement liquid cannot be automatically replaced and the continuity of the experiments cannot be ensured in the prior art, and the media are transported by using the same intermediate container, so that errors of experimental data are easily caused, and meanwhile, the media in the intermediate container react to easily generate precipitated impurities to block the transportation of the media.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a displacement medium automatic control system for experiments, displacement medium automatic control system for experiments includes injection device, analogue means, automatic control device and data acquisition device, injection device includes liquid reserve tank, water injection pump, first middle container, second middle container and cross valve, the liquid reserve tank pass through the pipeline with the water injection pump intercommunication, and be located the left side of water injection pump, first middle container with the second middle container pass through the pipeline respectively with water injection pump fixed connection, and be located the right side of water injection pump, just first middle container with the second middle container sets up in parallel, the cross valve pass through the pipeline respectively with first middle container with the second middle container intercommunication, and be located first middle container with the right side of second middle container, analogue means includes thermostated container, simulation device, The automatic control device comprises a core holder and a ring pressure pump, wherein the first middle container, the second middle container, the four-way valve and the core holder are all positioned in the incubator, the core holder is communicated with the four-way valve through a pipeline and positioned on the right side of the four-way valve, the ring pressure pump is fixedly connected with the core holder and positioned below the core holder, the automatic control device comprises a flowmeter, an adjusting valve, a pressure sensor and a heater, the flowmeter is fixedly connected with the liquid storage tank and positioned on the right side of the liquid storage tank, the adjusting valve is communicated with the water injection pump through a pipeline and positioned on the right side of the water injection pump, the pressure sensor is fixedly connected with the core holder and positioned on the right side of the core holder, and the heater is respectively fixedly connected with the first middle container and the second middle container, the data acquisition device comprises a controller and a computer, the controller is respectively electrically connected with the flowmeter, the regulating valve, the pressure sensor and the heater, and the computer is electrically connected with the controller.
Wherein, the automatic displacement medium control system for the experiment also comprises a foam generating device, the foam generating device comprises an air source, an air flow control valve, a pressure collector, a foam online collecting chamber and a foam online observing device, one end of the air flow control valve is fixedly connected with the air source and positioned above the air source, the other end of the air flow control valve is fixedly connected with the core holder and positioned above the core holder, the pressure collector is positioned between the air flow control valve and the core holder and electrically connected with the controller, the core holder is fixedly connected with the foam online collecting chamber through a metal pipeline and positioned above the foam online collecting chamber, the foam online observing device is positioned at the right side of the foam online collecting chamber, and the foam on-line observation device is electrically connected with the computer.
The injection device further comprises two stirrers, wherein one stirrer is fixedly connected with the first intermediate container and positioned at the bottom of the first intermediate container, and the other stirrer is fixedly connected with the second intermediate container and positioned at the bottom of the second intermediate container.
The automatic control device further comprises two temperature sensors and a frequency converter, wherein one of the two temperature sensors is fixedly connected with the first middle container and is positioned in the first middle container, the other temperature sensor is fixedly connected with the second middle container and is positioned in the second middle container, and the frequency converter is electrically connected with the water injection pump.
The automatic displacement medium control system for the experiment further comprises a collecting device, the collecting device comprises a condensation pipe and a back pressure pump, one end of the condensation pipe is communicated with the core holder and is located on the right side of the core holder and located on the outer side of the thermostat, one end of the back pressure pump is fixedly connected with the foam online collecting chamber and is located below the foam online collecting chamber, and the other end of the back pressure pump is fixedly connected with the condensation pipe and is located above the condensation pipe.
The collecting device further comprises a collecting bottle, and the collecting bottle is communicated with the other end of the condensing pipe and is located below the condensing pipe.
Wherein the collection device further comprises a float positioned inside the collection bottle.
The collecting device further comprises a reflective layer, and the reflective layer is coated on the outer surface of the buoy.
The collecting device further comprises an electronic balance, and the electronic balance is fixedly connected with the collecting bottle and is positioned below the collecting bottle.
Wherein, analogue means still includes motor, flabellum and heating element, the motor with thermostated container fixed connection, and be located the right side inside wall of thermostated container, the flabellum with the motor rotates to be connected, and is located the left side of motor, heating element in thermostated container fixed connection, and be located the right side inside wall of thermostated container, just heating element is located the below of flabellum.
Compared with the prior art, the invention has the following beneficial technical effects:
the automatic displacement medium control system for experiments in one aspect of the invention is characterized in that the automatic displacement medium control system is fixedly connected to the left side of the flowmeter through the liquid storage tank, the water injection pump is fixedly connected to the right side of the flowmeter, one end of the regulating valve is communicated with the water injection pump, the other end of the regulating valve is connected with the first intermediate container and the second intermediate container through pipelines, the four-way valve is respectively communicated with the first intermediate container and the second intermediate container through pipelines, the first intermediate container, the second intermediate container, the four-way valve and the core holder are all positioned in the thermostat, the core holder is communicated with the four-way valve, the ring pressure pump is fixedly connected below the core holder, the pressure sensor is fixedly connected to the right side of the core holder, the heater is respectively fixedly connected to the bottoms of the first intermediate container and the second intermediate container, the controller is respectively and electrically connected with the flowmeter, the regulating valve, the pressure sensor and the heater, and the computer is electrically connected with the controller. The flowmeter transmits signals to the computer, the computer controls the regulating valve to be closed and opened through the controller, when the solution of the water injection pump is injected into the rock core holder through the first intermediate container and reaches a certain volume, the flowmeter feeds back signals to the computer, so that the controller controls the action of the regulating valve, the inlet and the outlet of the first intermediate container are closed, the inlet and the outlet of the second intermediate container are opened, the other medium solution is transported, the automatic replacement of the medium solution is realized, meanwhile, the heater can heat the temperature of the medium solution according to geological layers with different experiments, impurities in the two intermediate containers are prevented from generating, pipelines are prevented from being blocked, the automatic replacement of the displacement fluid is realized, the continuity of the experiments is ensured, the plurality of intermediate containers transport different media, and the intermediate containers are prevented from generating impurities, the transportation of the blocking medium ensures the accuracy of the experimental data.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automatic control system for a displacement medium for experiments according to the present invention.
FIG. 2 is a schematic view showing a structure for removing impurities inside the oven of the present invention.
Fig. 3 is a schematic view of the internal structure of the incubator of the present invention.
The device comprises a displacement medium automatic control system for an experiment 100, a 10-injection device, a 20-simulation device, a 30-automatic control device, a 40-data acquisition device, a 50-collection device, a 60-foam generation device, a 11-liquid storage tank, a 12-water injection pump, a 13-first intermediate container, a 14-second intermediate container, a 15-four-way valve, a 16-stirrer, a 21-constant temperature tank, a 22-core holder, a 23-annular pressure pump, a 24-motor, 25-fan blades, 26-heating elements, a 31-flowmeter, a 32-regulating valve, a 33-pressure sensor, a 34-heater, a 35-temperature sensor, a 36-frequency converter, a 41-controller, a 42-computer, a 51-condenser pipe, a, 52-a collection bottle, 53-a buoy, 54-a reflective layer, 55-an electronic balance, 61-an air source, 62-an air flow control valve, 63-a pressure collector, 64-a foam online collection chamber, 65-a foam online observation device and 66-a back pressure pump.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention provides an automatic control system 100 for a displacement medium for experiments, the automatic control system 100 for a displacement medium for experiments comprises an injection device 10, a simulation device 20, an automatic control device 30 and a data acquisition device 40, the injection device 10 comprises a liquid storage tank 11, a water injection pump 12, a first intermediate container 13, a second intermediate container 14 and a four-way valve 15, the liquid storage tank 11 is communicated with the water injection pump 12 through a pipeline and is positioned at the left side of the water injection pump 12, the first intermediate container 13 and the second intermediate container 14 are respectively fixedly connected with the water injection pump 12 through a pipeline and are positioned at the right side of the water injection pump 12, the first intermediate container 13 and the second intermediate container 14 are arranged in parallel, the four-way valve 15 is respectively communicated with the first intermediate container 13 and the second intermediate container 14 through a pipeline, and is located the right side of the first middle container 13 and the second middle container 14, the simulation device 20 includes a thermostat 21, a core holder 22 and a ring pressure pump 23, the first middle container 13, the second middle container 14, the four-way valve 15 and the core holder 22 are all located inside the thermostat 21, the core holder 22 is communicated with the four-way valve 15 through a pipeline and is located on the right side of the four-way valve 15, the ring pressure pump 23 is fixedly connected with the core holder 22 and is located below the core holder 22, the automatic control device 30 includes a flow meter 31, an adjusting valve 32, a pressure sensor 33 and a heater 34, the flow meter 31 is fixedly connected with the liquid storage tank 11 and is located on the right side of the liquid storage tank 11, the adjusting valve 32 is communicated with the water injection pump 12 through a pipeline and is located on the right side of the water injection pump 12, the pressure sensor 33 is fixedly connected with the core holder 22 and is positioned at the right side of the core holder 22, the heater 34 is respectively fixedly connected with the first intermediate container 13 and the second intermediate container 14 and is respectively positioned at the bottom of the first intermediate container 13 and the bottom of the second intermediate container 14, the data acquisition device 40 comprises a controller 41 and a computer 42, the controller 41 is respectively electrically connected with the flowmeter 31, the regulating valve 32, the pressure sensor 33 and the heater 34, and the computer 42 is electrically connected with the controller 41.
In this embodiment, one end of the flow meter 31 is fixedly connected to the water storage tank, the other end of the flow meter 31 is fixedly connected to the water injection pump 12, the water injection pump 12 is communicated with one end of the regulating valve 32, the other end of the regulating valve 32 is communicated with the first intermediate container 13 and the second intermediate container 14, one end of the four-way valve 15 is communicated with the first intermediate container 13 and the second intermediate container 14 through a pipeline and is located at one end far away from the regulating valve 32, the other end of the four-way valve 15 is communicated with the core holder 22, the first intermediate container 13, the second intermediate container 14, the four-way valve 15 and the core holder 22 are all located inside the incubator 21, the pressure sensor 33 is fixedly connected to the right side of the core holder 22, the heater 34 is fixedly connected to the bottoms of the first intermediate container 13 and the second intermediate container 14, the controller 41 is electrically connected to the flowmeter 31, the regulating valve 32, the pressure sensor 33, and the heater 34, respectively, and the computer 42 is electrically connected to the controller 41. When an experiment is started, the water injection pump 12 pumps a solution to the water storage tank, the solution passes through the flow meter 31, the flow meter 31 transmits a signal to the computer 42, the computer 42 feeds the signal back to the controller 41, the controller 41 executes a command to control the opening and closing of the inlet and the outlet of the regulating valve 32, when the solution enters the first intermediate container 13 through the four-way valve 15, the heater 34 judges whether the solution is heated according to the experimental geological formation, the heater 34 transmits the command to the computer 42, the computer 42 transmits the command to the controller 41, the controller 41 feeds back a signal to the heater 34, the heater 34 performs corresponding action according to the signal, the solution enters the core holder 22 through the first intermediate container 13, and after reaching a preset volume, the solution reacts with the core, at this time, the flow meter 31 feeds back a signal to the computer 42 again, so that the controller 41 controls the action of the regulating valve 32, the inlet and outlet of the first intermediate container 13 are closed, the inlet and outlet of the second intermediate container 14 are opened, another medium solution is transported, the automatic replacement of the medium solution is realized, whether the action of the heater 34 is consistent with the above principle or not is judged, the other medium solution flows into the core holder 22 through the second intermediate container 14, the ring pressure pump 23 is used for increasing the pressure to the core holder 22 and sealing the core, and the pressure sensor 33 also feeds back the pressure value to the computer 42 for storage. The manual replacement displacement fluid is replaced, the automatic replacement displacement fluid is achieved, the continuity of the experiment is guaranteed, different media are transported by a plurality of middle containers, the middle containers are prevented from generating impurities, the transportation of the media is blocked, and the accuracy of experiment data is guaranteed.
Further, the automatic control system 100 for the displacement medium for experiments further comprises a foam generating device 60, the foam generating device 60 comprises an air source 61, an air flow control valve 62, a pressure collector 63, an on-line foam collecting chamber 64 and an on-line foam observing device 65, one end of the air flow control valve 62 is fixedly connected with the air source 61 and is positioned above the air source 61, the other end of the air flow control valve 62 is fixedly connected with the core holder 22 and is positioned above the core holder 22, the pressure collector 63 is positioned between the air flow control valve 62 and the core holder 22, the pressure collector 63 is electrically connected with the controller, the core holder 22 is fixedly connected with the on-line foam collecting chamber 64 through a metal pipeline and is positioned above the on-line foam collecting chamber 64, the on-line foam observation device 65 is located on the right side of the on-line foam collection chamber 64, the on-line foam observation device 65 is electrically connected with the computer 42, the injection device 10 further comprises two stirrers 16, the number of the stirrers 16 is two, one of the stirrers 16 is fixedly connected with the first intermediate container 13 and is located at the bottom of the first intermediate container 13, and the other stirrer 16 is fixedly connected with the second intermediate container 14 and is located at the bottom of the second intermediate container 14. The automatic control device 30 further comprises two temperature sensors 35, wherein one of the two temperature sensors 35 is fixedly connected with the first intermediate container 13 and is positioned inside the first intermediate container 13, and the other temperature sensor 35 is fixedly connected with the second intermediate container 14 and is positioned inside the second intermediate container 14. The automatic control device 30 further comprises a frequency converter 36, and the frequency converter 36 is electrically connected with the water injection pump 12.
In this embodiment, a foaming agent is placed inside the first intermediate container 13 and the second intermediate container 14 to be mixed with a test solution, after passing through the four-way valve 15, the air source 61 blows air into the four-way valve 15, the air passes through the air flow control valve 62 and enters the core holder 22, the foaming agent is sheared and the like in the core gap to form fine foam, the foam enters the foam on-line collecting chamber 64 from the outlet end of the core holder 22 through a metal pipeline, and the foam characteristics in the foam on-line collecting chamber 64 are observed by the foam on-line observing device 65 to study the foam properties, and the foam properties are related to the physical parameters of the core, the properties of the foaming agent, the concentration of the foaming agent, the type of the injected fluid and the like, so that the physical parameters of the core, the type of the foaming agent, the foam characteristics of the injected fluid and the like, The parameters of the foaming agent concentration, the fluid injection speed, the gas-liquid ratio and the like are compared to generate different foams, the foam properties are observed and researched through a foam on-line observation device 65, the interrelation between the foams and the parameters is further found, and the foam on-line observation device 65 comprises a high power microscope and a data processing system. Image data obtained through observation of a high-power microscope is processed through an image data processing system, parameters such as the number of foams in a view field, the average value, the median value and the standard deviation of the diameters of the foams are calculated, a percentage curve of the number of the foams under a certain diameter in the total number of the foams is drawn, the performance of the foams is evaluated through the parameters and resistance factors, and finally the result is fed back to the computer 42 and stored. Meanwhile, the method can truly simulate the generation process of the foam in the oil reservoir, observe the newly generated foam condition in the displacement process more intuitively, acquire the data information of the original foam, and solve the problem that the conventional observation method cannot realize on-line observation of the foam performance. The bottom of the first middle container 13 and the bottom of the second container are both provided with the stirrer 16, the controller 41 is electrically connected with the motor, and then whether the motor acts is controlled, if the motor rotates and then drives the stirrer 16 to rotate, the stirrer 16 can prevent impurities from being generated inside the first middle container 13 and the second middle container 14, and then the solution is blocked from flowing to the core holder 22. Temperature sensor 35 all fixed connection in first middle container 13 with the inside of container 14 in the middle of the second, temperature sensor 35 with computer 42 electric connection, computer 42 can detect first middle container 13 with the inside temperature of container 14 in the middle of the second, and the geological conditions in experiment geological formation is different, makes heater 34 need heat the solution, reaches the required condition of experiment, and at this moment temperature sensor 35 just can be accurate measure the temperature after the solution is heated, has guaranteed the accuracy of experiment. The frequency converter 36 can control the power of the water injection pump 12 according to the working condition of the water injection pump 12, and energy is saved.
Further, the automatic displacement medium control system 100 for experiments further comprises a collecting device 50, wherein the collecting device 50 comprises a condensation pipe 51, one end of the condensation pipe 51 is communicated with the core holder 22, is positioned on the right side of the core holder 22 and is positioned on the outer side of the incubator 21, one end of the back pressure pump 66 is fixedly connected with the foam on-line collecting chamber 64 and is positioned below the foam on-line collecting chamber 64, and the other end of the back pressure pump 66 is fixedly connected with the condensation pipe 51 and is positioned above the condensation pipe 51. The collecting device 50 further comprises a collecting bottle 52, and the collecting bottle 52 is communicated with the other end of the condensation pipe 51 and is positioned below the condensation pipe 51. The collection device 50 further includes a float 53, the float 53 being located inside the collection bottle 52. The collecting device 50 further comprises a reflective layer 54, the reflective layer 54 being applied to the outer surface of the float 53. The collecting device 50 further comprises an electronic balance 55, wherein the electronic balance 55 is fixedly connected with the collecting bottle 52 and is positioned below the collecting bottle 52.
In this embodiment, the condensation pipe 51 is a straight condensation pipe 51, the solution enters the inlet of the condensation pipe 51 through a pipeline, after entering the condensation pipe 51, the temperature of the solution is reduced, and then the solution is discharged through the outlet of the condensation pipe 51, if the condensation pipe 51 is not installed, the solution has a certain temperature after flowing out from the core holder 22, at a higher temperature, a part of the solution exists in the form of gas and directly enters the air, so that the measured gas is smaller than the real result, which is easy to affect the experimental result, the back pressure pump 66 is used for increasing the overall pressure of the core holder 22 and the foam on-line observation device 65, so as to ensure the performance of foam detection under the condition consistent with the formation condition, the foam after final analysis is discharged into the condensation pipe 51 and flows into the collection bottle 52, and the solution discharged after the condensation pipe 51 is installed enters the collection bottle 52, the collecting bottle 52 is a glass bottle, the buoy 53 with the reflective layer 54 is arranged inside the collecting bottle 52, the buoy 53 is used for distinguishing an interface between an oil phase and a solution, the reflective layer 54 can reflect light under the irradiation of sunlight, the volume of the oil phase and the volume of the solution are convenient to read, the electronic balance 55 can measure the weight of the discharged solution, the measured result is fed back to the computer 42 to be stored, and the computer 42 can be connected with a printer to print the result.
Furthermore, the simulation apparatus 20 further includes a motor 24, a fan blade 25 and a heating element 26, the motor 24 is fixedly connected to the oven 21 and located on the right inner side wall of the oven 21, the fan blade 25 is rotatably connected to the motor 24 and located on the left side of the motor 24, the heating element 26 is fixedly connected to the oven 21 and located on the right inner side wall of the oven 21, and the heating element 26 is located below the fan blade 25.
In this embodiment, two opening doors are installed in the front of thermostated container 21, and side-mounting has a transparent glass window, and the design through two opening doors can make things convenient for the staff to test the change of equipment to it, and the glass window can make things convenient for the condition in the staff direct observation thermostated container 21, thermostated container 21 have fixedly connected with on the inside wall motor 24, motor 24 with flabellum 25 passes through the pivot is rotated and is connected, heating element 26 fixed connection be in the right side inside wall of thermostated container 21, just heating element 26 is located the below of flabellum 25, motor 24 rotates and drives flabellum 25 is rotatory and right air in thermostated container 21 stirs, after heating element 26 moves for the device in thermostated container 21 is heated evenly, has improved the accuracy of experiment.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The automatic displacement medium control device for the experiment is characterized by comprising an injection device (10), a simulation device (20), an automatic control device (30) and a data acquisition device (40), wherein the injection device (10) comprises a liquid storage tank (11), a water injection pump (12), a first intermediate container (13), a second intermediate container (14) and a four-way valve (15), the liquid storage tank (11) is communicated with the water injection pump (12) through a pipeline and is positioned on the left side of the water injection pump (12), the first intermediate container (13) and the second intermediate container (14) are respectively and fixedly connected with the water injection pump (12) through pipelines and are positioned on the right side of the water injection pump (12), and the first intermediate container (13) and the second intermediate container (14) are arranged in parallel, four-way valve (15) pass through the pipeline respectively with container (13) in the middle of first with container (14) intercommunication in the middle of the second, and be located container (13) in the middle of the first with the right side of container (14) in the middle of the second, analogue means (20) include thermostated container (21), rock core holder (22) and ring pressure pump (23), container (13) in the middle of the first, container (14) in the middle of the second, four-way valve (15) and rock core holder (22) all are located the inside of thermostated container (21), rock core holder (22) pass through the pipeline with four-way valve (15) intercommunication, and be located the right side of four-way valve (15), ring pressure pump (23) with rock core holder (22) fixed connection, and be located the below of rock core holder (22), automatic control device (30) include flowmeter (31), The core holder comprises a regulating valve (32), a pressure sensor (33) and a heater (34), wherein the flowmeter (31) is fixedly connected with the liquid storage tank (11) and is positioned on the right side of the liquid storage tank (11), the regulating valve (32) is communicated with a water injection pump (12) through a pipeline and is positioned on the right side of the water injection pump (12), the pressure sensor (33) is fixedly connected with the core holder (22) and is positioned on the right side of the core holder (22), the heater (34) is respectively fixedly connected with a first middle container (13) and a second middle container (14) and is respectively positioned at the bottoms of the first middle container (13) and the second middle container (14), the data acquisition device (40) comprises a controller (41) and a computer (42), and the controller (41) is respectively connected with the flowmeter (31), The regulating valve (32), the pressure sensor (33) and the heater (34) are electrically connected, and the computer (42) is electrically connected with the controller (41).
2. The automatic control device for experimental displacement media according to claim 1, wherein the automatic control system for experimental displacement media (100) further comprises a foam generating device (60), the foam generating device (60) comprises an air source (61), an air flow control valve (62), a pressure collector (63), an on-line foam collecting chamber (64) and an on-line foam observing device (65), one end of the air flow control valve (62) is fixedly connected with the air source (61) and is located above the air source (61), the other end of the air flow control valve (62) is fixedly connected with the core holder (22) and is located above the core holder (22), the pressure collector (63) is located between the air flow control valve (62) and the core holder (22), and the pressure collector (63) is electrically connected with the controller (41), the core holder (22) is fixedly connected with the foam online acquisition chamber (64) through a metal pipeline and is positioned above the foam online acquisition chamber (64), the foam online observation device (65) is positioned on the right side of the foam online acquisition chamber (64), and the foam online observation device (65) is electrically connected with the computer (42).
3. An automatic control device for displacement media for experiments according to claim 2, characterized in that said injection device (10) further comprises two stirrers (16), one of said stirrers (16) being fixedly connected to said first intermediate container (13) and located at the bottom of said first intermediate container (13), and the other of said stirrers (16) being fixedly connected to said second intermediate container (14) and located at the bottom of said second intermediate container (14).
4. An automatic control device for experimental displacement media according to claim 3, characterized in that the automatic control device (30) further comprises two temperature sensors (35) and a frequency converter (36), one of the two temperature sensors (35) is fixedly connected with the first intermediate container (13) and is positioned inside the first intermediate container (13), the other temperature sensor (35) is fixedly connected with the second intermediate container (14) and is positioned inside the second intermediate container (14), and the frequency converter (36) is electrically connected with the water injection pump (12).
5. The automatic control device for the experimental displacement medium according to claim 4, wherein the automatic control system (100) for the experimental displacement medium further comprises a collecting device (50), the collecting device (50) comprises a condensation pipe (51) and a back pressure pump (66), one end of the condensation pipe (51) is communicated with the core holder (22), is positioned on the right side of the core holder (22) and is positioned on the outer side of the incubator (21), one end of the back pressure pump (66) is fixedly connected with the foam on-line collecting chamber (64) and is positioned below the foam on-line collecting chamber (64), and the other end of the back pressure pump (66) is fixedly connected with the condensation pipe (51) and is positioned above the condensation pipe (51).
6. An automatic control device for displacement media for experiments according to claim 5, characterized in that the collecting device (50) further comprises a collecting bottle (52), and the collecting bottle (52) is communicated with the other end of the condensation pipe (51) and is positioned below the condensation pipe (51).
7. An automatic control device for experimental displacement media according to claim 6, characterized in that the collecting device (50) further comprises a float (53), the float (53) being located inside the collecting bottle (52).
8. An automatic control device for experimental displacement media according to claim 7, characterized in that the collecting device (50) further comprises a reflective layer (54), and the reflective layer (54) is coated on the outer surface of the float (53).
9. An automatic control device for displacement media for experiments according to claim 8, characterized in that the collecting device (50) further comprises an electronic balance (55), and the electronic balance (55) is fixedly connected with the collecting bottle (52) and is located below the collecting bottle (52).
10. An automatic control device for displacement media for experiments according to claim 9, characterized in that said simulation device (20) further comprises a motor (24), a fan blade (25) and a heating element (26), said motor (24) is fixedly connected with said oven (21) and located on the right inner side wall of said oven (21), said fan blade (25) is rotatably connected with said motor (24) and located on the left side of said motor (24), said heating element (26) is fixedly connected with said oven (21) and located on the right inner side wall of said oven (21), and said heating element (26) is located under said fan blade (25).
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