CN108593193A - A kind of hydrocarbon supercharging measurement device and method - Google Patents
A kind of hydrocarbon supercharging measurement device and method Download PDFInfo
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- CN108593193A CN108593193A CN201810386798.6A CN201810386798A CN108593193A CN 108593193 A CN108593193 A CN 108593193A CN 201810386798 A CN201810386798 A CN 201810386798A CN 108593193 A CN108593193 A CN 108593193A
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- hydrocarbon
- reaction kettle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
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Abstract
It is pressurized the present invention provides a kind of hydrocarbon and measures device and method, be related to petroleum geology technical field.A kind of hydrocarbon supercharging measuring device, including reaction kettle, heater box, re-injection container, pressure tracking pump and control system.Reaction kettle is set in heater box, and the upper end of reaction kettle is connected to by the first pipeline with pressure tracking pump, and is connected to back pressure container lower end by three-way connection, and reaction kettle lower end is connected to re-injection container upper end, and temperature control equipment is electrically connected with heater box.By the way that the fluid generated under higher reaction temperature is temporarily put into re-injection container caching, and its re-injection is entered to the method for reaction kettle after temperature reduction, reaches the interference for excluding hydro-thermal supercharging, the purpose of change in fluid pressure caused by measuring hydrocarbon.The blank for hydrocarbon piezometry in the experiment of hydrocarbon source rock life residence has been filled up, has provided an effective research means for the first hydrocarbon expulsion dynamics of hydrocarbon source rock, oil shale current pressure status predication, therefore there is more wide application prospect.
Description
Technical field
The present invention relates to petroleum geology technical fields, are pressurized in particular to a kind of hydrocarbon and measure device and method.
Background technology
During hydrocarbon primary rock producing hydrocarbon, conversion of the highdensity kerogen to the oil and gas of low-density can cause hydrocarbon
The raising of source rock internal fluid pressure.There is important theory significance and practical value to the research of this change in fluid pressure,
It is not only embodied in overpressure prediction, evades the engineer applications levels such as drilling risk, design oil recovery scheme, while being also that Hydrocarbon Formation Reservoirs are outstanding
It is an important link in migration research, is the material guarantee and power resources that oil gas is able to primary migration.Above-mentioned experiment
Difficult point focus primarily upon how to be avoided during piezometry hydro-thermal be pressurized interference.Temperature when this kind of experiment Main Basiss
Compensation principle makes the organic matter rapid cleavage in hydrocarbon source rock, in order to more by higher heating temperature in laboratory conditions
The subsurface picture of closing to reality, is often required in source rock sample plus water, or even needs to add water to saturation.So, exist
Temperature, which increases, will produce larger hydro-thermal supercharging in rear enclosed system, often be much larger than pressure change caused by hydrocarbon, this is right
The measurement of hydrocarbon supercharging value is very unfavorable, and hydro-thermal is pressurized and hydrocarbon is pressurized after being superimposed and breaks through equipment tolerance pole to avoid
Limit so that it is usually smaller to test the hydrocarbon supercharging value allowed at present, still has larger gap with the actual conditions of underground.Therefore,
The influence for how excluding " hydro-thermal supercharging ", the emphasis for being hydrocarbon supercharging physical simulation experiment are also difficult point place.
Invention content
The purpose of the present invention is to provide a kind of hydrocarbons to be pressurized measuring device, and simple in structure, easy to operate, controllability is strong,
Change in fluid pressure caused by hydrocarbon primary rock producing hydrocarbon can accurately be measured.
Another object of the present invention is to provide a kind of Fluid pressure measurement methods, and the process eliminate the shadows of hydro-thermal supercharging
It rings, quantifies the variation of hydrocarbon source rock internal fluid pressure during hydrocarbon.
What the embodiment of the present invention was realized in：
A kind of hydrocarbon supercharging measuring device, including reaction kettle, heater box, re-injection container, pressure tracking pump and control system
System, reaction kettle are set in heater box, and the upper end of reaction kettle is pumped by the lower end and pressure tracking of the first pipeline and re-injection container
Connection, the lower end of reaction kettle be connected to by the second pipeline with the upper end of re-injection container, and pressure tracking, which pumps, passes through third pipeline and the
One pipeline is connected to, and control system is electrically connected with heater box, the temperature for controlling heater box.
Further, in preferred embodiments of the present invention, re-injection container includes cylinder body, the first sealing cover, the second sealing
Lid and piston, the first sealing cover are covered on the top of cylinder body, and the second sealing cover is covered on the bottom end of cylinder body, and piston is set to cylinder body
Cavity in, cavity is divided into two parts, piston is moved back and forth along the axis direction of cylinder body.
Further, in preferred embodiments of the present invention, the top of piston is pyramidal structure, and the first sealing cover is close to living
The side of plug is the groove to match with pyramidal structure.
Further, in preferred embodiments of the present invention, the bottom of piston is planar structure, and the second sealing cover is close to living
The side of plug is planar structure.
Further, in preferred embodiments of the present invention, the peripheral surface of piston is arranged with sealing ring.
Further, in preferred embodiments of the present invention, the second pipeline is equipped with the first vacuum-pumping tube, the first vacuum-pumping tube
Equipped with valve.
Further, in preferred embodiments of the present invention, third pipeline is equipped with the second vacuum-pumping tube, the second vacuum-pumping tube
Equipped with valve.
Further, in preferred embodiments of the present invention, reaction kettle includes sample room, top cover labyrinth and lower sealing cover,
Top cover labyrinth is covered on the upper end of sample room, and lower sealing cover is covered on the lower end of sample room, the both ends difference of the inside of sample room
Equipped with sintered plate filter disc.
Further, in preferred embodiments of the present invention, heater box includes babinet and heating tube, and babinet includes inner casing
Body, outer housing and the insulating layer being set between inner housing, outer housing, heating tube are set to inner housing.
A kind of Fluid pressure measurement method is measured using above-mentioned hydrocarbon supercharging measuring device.
The advantageous effect of the embodiment of the present invention：
The present invention provides a kind of hydrocarbon supercharging measuring device, including reaction kettle, heater box, re-injection container, pressure tracking pump
And control system.Reaction kettle is set in heater box, the upper end of reaction kettle by the lower end of the first pipeline and re-injection container and
Pressure tracking pump connection, the lower end of reaction kettle be connected to by the second pipeline with the upper end of re-injection container, and pressure tracking, which pumps, passes through the
Three pipelines are connected to the first pipeline, and temperature control equipment is electrically connected with heater box, the temperature for controlling heater box.A kind of fluid
Pressure measurement method is measured using above-mentioned hydrocarbon supercharging measuring device.Pass through the stream that will be generated under higher reaction temperature
Body is temporarily put into re-injection container caching, and its re-injection is entered to after temperature reduction by pressure tracking pump the method for sample room, reaches
To the interference for excluding hydro-thermal supercharging, the purpose of change in fluid pressure caused by measuring hydrocarbon.The experiment of hydrocarbon source rock life residence is filled up
In for hydrocarbon piezometry blank, provide one for the first hydrocarbon expulsion dynamics of hydrocarbon source rock, oil shale current pressure status predication
A effective research means, therefore there is more wide application prospect.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram that hydrocarbon provided in an embodiment of the present invention is pressurized measuring device；
Fig. 2 is the structural schematic diagram of reflux vessel provided in an embodiment of the present invention.
Icon：100- hydrocarbons are pressurized measuring device；The first pipelines of 101-；The second pipelines of 102-；103- third pipelines；110-
Reaction kettle；The sample rooms 111-；112- top cover labyrinths；113- lower sealing covers；The upper graphite grazing pads of 114-；Graphite grazing under 115-
Pad；The upper sintered plate filter discs of 116-；Sintered plate filter disc under 117-；120- heater boxes；121- babinets；1211- inner housings；Outside 1213-
Shell；1215- insulating layers；122- heating tubes；123- temperature sensors；124- autoclave body holders；130- re-injection containers；131- cylinders
Body；The first sealing covers of 133-；The second sealing covers of 135-；137- pistons；139- sealing rings；140- pressure tracking pump；150- is controlled
System；The first vacuum-pumping tubes of 161-；The second vacuum-pumping tubes of 162-；The first three-way connections of 171-；The second three-way connections of 172-；173-
Third three-way connection；The first valves of 181-；The second valves of 182-；183- third valves；The 4th valves of 184-；The 5th valves of 185-
Door；The 6th valves of 186-.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the present invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the present invention, in not contradiction or punching
In the case of prominent, all embodiments, embodiment and feature of the invention can be combined with each other.In the present invention, conventional
Unit, component etc., both can be commercially available, can also make by oneself according to the present disclosure.In the present invention, in order to prominent
The emphasis for going out the present invention to the omission that some conventional operations and unit, component carry out, or is only briefly described.
Embodiment
Fig. 1, Fig. 2 are please referred to, the present embodiment provides a kind of hydrocarbons to be pressurized measuring device 100, including reaction kettle 110, heating
Case 120, re-injection container 130, pressure tracking pump 140 and control system 150.Reaction kettle 110 is set in heater box 120, instead
The upper end of kettle 110 is answered to be connected to the lower end of re-injection container 130 by the first pipeline 101, the lower end of reaction kettle 110 passes through the second pipe
Line 102 is connected to the upper end of re-injection container 130, and pressure tracking pump 140 is connected to by third pipeline 103 with the first pipeline 101, is controlled
System 150 processed is electrically connected with heater box 120, the temperature for controlling heater box 120.
Reaction kettle 110 in the present embodiment is high temperature and pressure autoclave body, and reaction kettle 110 includes sample room 111, top cover labyrinth
112, lower sealing cover 113, upper graphite grazing pad 114 and lower graphite grazing pad 115, top cover labyrinth 112 are covered on sample room 111
Upper end, lower sealing cover 113 are covered on the lower end of sample room 111, and the both ends of the inside of sample room 111 are respectively equipped with sintered plate filter
Piece.In the present embodiment, sample room 111 is contacted with top cover labyrinth 112, lower sealing cover 113 for bolt type, passes through upper graphite grazing
Pad 114 and lower graphite grazing pad 115 are sealed.110 highest bearing temperature of reaction kettle is 600 DEG C, and maximum bears pressure and is
120MPa.In other embodiments of the invention, sample room 111 can with the connection type of top cover labyrinth 112, lower sealing cover 113
Think that other modes, the present invention do not limit it.During test, in order to avoid 110 interior rock sample of reaction kettle
The blocking pipeline with liquid outflow, upper sintered plate filter disc 116 and lower sintered plate are respectively equipped at the both ends of the inside of sample room 111
Filter disc 117.
Reaction kettle 110 is positioned in heater box 120, and heater box 120 includes babinet 121, at least two heating tubes 122, temperature
Spend sensor 123 and autoclave body holder 124.In order to enhance the heat insulating ability of heater box 120, babinet 121 includes inner housing 1211, shell
Body 1213 and the insulating layer 1215 being set between inner housing 1211, outer housing 1213.In the present embodiment, 1211 He of inner housing
Outer housing 1213 is made by metal material, and insulating layer 1215 is asbestos insulating layer 1215.In other implementations of the present invention
In example, inner housing 1211, outer housing 1213 and insulating layer 1215 can be made by other materials with the same function,
The present invention does not limit it.Autoclave body holder 124 is set to the bottom of babinet 121, is used to support reaction kettle 110.
Heating tube 122 is set to inner housing 1211, to being heated in babinet 121.In the present embodiment, heating tube 122
Number be the six roots of sensation, the opposite both sides of inner housing 1211 are respectively equipped with three heating tubes 122.Heating tube 122 and control system 150
Electrical connection, temperature sensor 123 is set to the inside of babinet 121, and is connect with control system 150, and temperature sensor 123 will be examined
The data of survey are transferred to control system 150, and control system 150 controls heating tube 122 according to the data of detection.
As a kind of realization method, control system 150 includes computer and cable.120 inside of heater box uses high temperature resistant
Conducting wire, control system 150 realize automatic heating, cooling and temperature incubation function by computer programming.
Re-injection container 130 includes cylinder body 131, the first sealing cover 133, the second sealing cover 135 and piston 137, the first sealing
Lid 133 is covered on the top of cylinder body 131, and the second sealing cover 135 is covered on the bottom end of cylinder body 131.Piston 137 is set to cylinder body
In 131 cavity, cavity, which is divided into two parts, piston 137 up and down, to be moved back and forth along the axis direction of cylinder body 131.It is living
The top of plug 137 is pyramidal structure, and the first sealing cover 133 is the groove to match with pyramidal structure close to the side of piston 137.
The contact surface of the top of piston 137 and the groove of the first sealing cover 133 is smooth structure, ensures the fluid being discharged in experimentation
It being capable of complete re-injection.The bottom of piston 137 is planar structure, and the second sealing cover 135 is planar junction close to the side of piston 137
Structure.
In order to enable liquid is not altered in the upper and bottom section space of cylinder body 131 mutually, the peripheral surface of piston 137 is arranged with sealing
Circle 139.In the present embodiment, the peripheral surface of piston 137 is equipped with annular groove, and sealing ring 139 is embedded in annular groove, sealing ring
139 are made by high-strength rubber.
Second pipeline 102 is equipped with the first vacuum-pumping tube 161, and for emptying and vacuumizing, the second pipeline 102 passes through the one or three
Pass joint 171 is connected to the first vacuum-pumping tube 161.First vacuum-pumping tube 161 is equipped with the first valve 181, re-injection container 130 and the
The second valve 182 is equipped between one three-way connection 171.
Third pipeline 103 is connected to the first pipeline 101 by the second three-way connection 172, the second three-way connection 172 and re-injection
The second pipeline 102 between container 130 is equipped with third valve 183, and second between the second three-way connection 172 and reaction kettle 110
Pipeline 102 is equipped with the 4th valve 184.Third pipeline 103 is equipped with the second vacuum-pumping tube 162, for emptying and vacuumizing, third pipe
Line 103 is connected to by third three-way connection 173 with the second vacuum-pumping tube 162.Second vacuum-pumping tube 162 is equipped with the 5th valve 185,
The 6th valve 186 is equipped between second three-way connection 172 and third three-way connection 173.
In the present invention, pressure tracking pumps the common apparatus that 140, temperature sensor 123, computer and valve are this field,
The present invention does not limit it.
Operation principle：During the experiment, the upper space and sample room 111 that need to make re-injection container 130 are connected to become one
A closed three-dimensional system, lower space fill pressure fluid and are connected with pressure tracking pump 140.Intermediate piston 137 can more than
Lower movement, but ensure that liquid is not absolutely mutually altered in top and the bottom space.Experiment starting, the temperature in sample room 111 is adjusted to hydrocarbon source rock
Place formation temperature, the Fluid pressure of depth, the piston 137 of re-injection container 130 are in top where pressure adjusts hydrocarbon source rock.
In heating process, pressure tracking pump 140 is set as constant pressure, when the pressure in sample room 111 has raised trend, piston
137 move down automatically under pressure, increase closed system space, the pressure in closed system is made to keep constant.Heating terminates,
It waits for that temperature is cooled to room temperature, the fluid on 130 top of re-injection container is injected back by sample room 111 by pressure tracking pump 140 again.At this time
The pressure of measurement and the difference of initial pressure are hydrocarbon supercharging value.
The present embodiment additionally provides a kind of Fluid pressure measurement method, is measured using hydrocarbon supercharging measuring device 100,
Including：
Source rock sample after crushing is loaded into sample room 111.Sample room 111 is packed into reaction kettle 110, and will be anti-
It answers in the installation to temperature-controlled box of kettle 110, starts oil pump up and down, so that sample room 111 is sealed and simulate burden pressure.
The second valve 182, third valve 183, the 4th valve 184 and the 6th valve 186 are opened, the first valve is passed sequentially through
Interface at door 181 and the 5th valve 185 is connect with vacuum pumping pump, is vacuumized to all pipelines.
The 4th valve 184 is closed, starts pressure tracking pump 140, is set as constant voltage mode, makes high-pressure fluid that re-injection be pushed to hold
130 piston 137 of device is moved to 130 top of re-injection container.Later on 4th valve 184 pumps 140 to sample by pressure tracking
Injection water flooding makes its saturation in room 111, and continues fluid injection to Fluid pressure and reach the required pressure of experiment, is then turned off the 6th
Valve 186 records total water injection rate, water yield, water in pipeline, calculates stratum water quality in sample room 111.
Constant 24 hours, whether observation Fluid pressure was stablized to detect the seal of sample room 111, as pressure is dropped by less than
1MPa illustrates that seal is preferable, reaches requirement of experiment.
The 4th valve 184 is closed, heat temperature raising is carried out, until setting reaction temperature, constant temperature and pressure 48h.
So that temperature is naturally cooled to and is gradually decreased to room temperature.Start pressure tracking pump 140, is set as constant pressure
Pattern, injection pressure should be slightly bigger than 111 fluid pressure of sample room, after pressure tracking pump 140 completes pressurization, slowly open the
Six valves 186 push piston 137 in re-injection container 130 to move, the substance re-injection in re-injection container 130 are made to enter sample room 111,
After measure 110 fluid pressure of reaction kettle at this time, with initial pressure compare, difference is exactly hydrocarbon supercharging value.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of hydrocarbon is pressurized measuring device, which is characterized in that including reaction kettle, heater box, re-injection container, pressure tracking pump with
And control system, the reaction kettle are set in the heater box, the upper end of the reaction kettle passes through the first pipeline and described time
Lower end and the pressure tracking pump connection of container are noted, the lower end of the reaction kettle passes through the second pipeline and the re-injection container
Upper end is connected to, and the pressure tracking pump is connected to by third pipeline with first pipeline, the control system and the heating
Case is electrically connected, the temperature for controlling the heater box.
2. hydrocarbon according to claim 1 is pressurized measuring device, which is characterized in that the re-injection container includes cylinder body, the
One sealing cover, the second sealing cover and piston, first sealing cover are covered on the top of the cylinder body, the second sealing cover lid
Set on the bottom end of the cylinder body, the piston is set in the cavity of the cylinder body, and the cavity is divided into two parts, institute
The axis direction that piston is stated along the cylinder body moves back and forth.
3. hydrocarbon according to claim 2 is pressurized measuring device, which is characterized in that the top of the piston is taper knot
Structure, first sealing cover are the groove to match with the pyramidal structure close to the side of the piston.
4. hydrocarbon according to claim 2 or 3 is pressurized measuring device, which is characterized in that the bottom of the piston is plane
Structure, second sealing cover are planar structure close to the side of the piston.
5. hydrocarbon according to claim 2 is pressurized measuring device, which is characterized in that the peripheral surface of the piston is arranged with close
Seal.
6. hydrocarbon according to claim 1 is pressurized measuring device, which is characterized in that second pipeline is equipped with first and takes out very
Blank pipe, first vacuum-pumping tube are equipped with valve.
7. hydrocarbon according to claim 1 or 6 is pressurized measuring device, which is characterized in that the third pipeline is equipped with second
Vacuum-pumping tube, second vacuum-pumping tube are equipped with valve.
8. hydrocarbon according to claim 1 is pressurized measuring device, which is characterized in that the reaction kettle include sample room, on
Sealing cover and lower sealing cover, the top cover labyrinth are covered on the upper end of the sample room, and the lower sealing cover is covered on the sample
The both ends of the lower end of product room, the inside of the sample room are respectively equipped with sintered plate filter disc.
9. hydrocarbon according to claim 1 is pressurized measuring device, which is characterized in that the heater box includes babinet and heating
Pipe, the babinet includes inner housing, outer housing and the insulating layer being set between the inner housing, outer housing, the heating tube
It is set to the inner housing.
10. a kind of Fluid pressure measurement method, which is characterized in that be pressurized using hydrocarbon as described in any one of claim 1 to 9
Measuring device measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810386798.6A CN108593193A (en) | 2018-04-26 | 2018-04-26 | A kind of hydrocarbon supercharging measurement device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810386798.6A CN108593193A (en) | 2018-04-26 | 2018-04-26 | A kind of hydrocarbon supercharging measurement device and method |
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| CN201810386798.6A Pending CN108593193A (en) | 2018-04-26 | 2018-04-26 | A kind of hydrocarbon supercharging measurement device and method |
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| CN115261056A (en) * | 2021-04-29 | 2022-11-01 | 中国石油化工股份有限公司 | Reaction kettle, experimental device and method for shale oil heating modification experiment |
| CN114183123A (en) * | 2021-12-16 | 2022-03-15 | 中国石油大学(北京) | Drilling simulation experiment device and experiment method |
| CN114183123B (en) * | 2021-12-16 | 2024-01-30 | 中国石油大学(北京) | Drilling simulation experiment device and experiment method |
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