CN108318371A - Dynamic simulation experimental device and experimental method for appraisal drilling liquid inhibition - Google Patents
Dynamic simulation experimental device and experimental method for appraisal drilling liquid inhibition Download PDFInfo
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- CN108318371A CN108318371A CN201810262184.7A CN201810262184A CN108318371A CN 108318371 A CN108318371 A CN 108318371A CN 201810262184 A CN201810262184 A CN 201810262184A CN 108318371 A CN108318371 A CN 108318371A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
The invention discloses a kind of dynamic simulation experimental devices and experimental method for appraisal drilling liquid inhibition, experimental provision includes experimental box (1), adjustable speed motor (2), fluid pump (3), accumulator tank (4), experimental box is a sealing hollow box body, it is respectively arranged on the roof and bottom wall of experimental box and returns outlet (5) and inlet (6), rotary shaft (7) is vertically provided with inside experimental box, adjustable speed motor is by transmission shaft (8) with rotation axis connection to drive rotary shaft to rotate, the inside sidewalls of experimental box (1) are provided with rock core placing groove (9), inlet (6) is connect by injecting bend pipe (10) with fluid pump (3), it returns outlet (5) and is connect with accumulator tank (4) by returning out bend pipe (11).The present invention has many advantages, such as that simple in structure, cost of investment is low, and reusable, convenient experimental operation, drilling fluid inhibition evaluation precision are high, can be widely applied for the evaluation of drilling fluid system inhibition.
Description
Technical field
The invention belongs to the technical fields of oil and gas well drilling engineering, and in particular to one kind inhibits for appraisal drilling liquid
The dynamic simulation experimental device and experimental method of property.
Background technology
Drilling fluid inhibition ability plays a crucial role petroleum exploration and development operation, especially in probing mud page
The clay contents such as rock are high, in easy aquation stratum, and it is steady that the quality of drilling fluid rejection ability directly affects drilling cuttings expansion, dispersion and the borehole wall
Calmly, the problems such as job safety.
In drilling operation course, full of rock close contact in drilling fluid, with well in pit shaft, influenced by mud pumpage,
Drilling fluid has different annular velocities；By drilling tool Effect of Rotation in well, drilling fluid has centrifugal force, has different fluidised forms, right
Rock generates different effect in well, while different drilling fluid density, temperature also will produce difference to drilling fluid inhibition
It influences.Petroleum industry is many to drilling fluid inhibition evaluation method both at home and abroad at present, and more general detection method includes：1) page
Rock mass accumulates swell；2) shale linear expansion is tested；3) inhibit the experiment of bentonite pulping；4) shale rolling rate of recovery is tested
Deng；These test methods only account for the influence of property of drilling fluid and environment temperature, do not consider different annular spaces return speed, no
Drilling fluid inhibition situation of change under same fluidised form, different densities, condition of different temperatures, thus can not the inhibition of exact evaluation drilling fluid
Whether property disclosure satisfy that site safety job requirements.
Due to marine rig Fei Gao, job safety is required high, it is necessary to ensure underground work safety, it could substantially
Realize cost efficiency target.Whether drilling fluid inhibition disclosure satisfy that wellbore stability demand is the premise of safety work, and current
Drilling fluid inhibition evaluation method exist too many uncertain, bury security risk for safety work.Therefore, it is necessary to send out
A kind of bright dynamic simulation experimental device for appraisal drilling liquid inhibition, considers annular space and returns speed, fluidised form, density, temperature
Etc. influence factors, exact evaluation drilling fluid inhibition, to select optimal drilling fluid system to ensure site safety operation.
Invention content
It is provided a kind of for appraisal drilling liquid inhibition it is an object of the invention to avoid in the prior art insufficient
Dynamic simulation experimental device and experimental method can returned speed, fluidised form, density, temperature by drilling fluid in exact evaluation well by annular space
The synthesis inhibition under the influence of centrifugal force etc. is disturbed with drilling tool.
The purpose of the present invention is achieved through the following technical solutions：
On the one hand, a kind of dynamic simulation experimental device for appraisal drilling liquid inhibition is provided, including experimental box, adjustable
Speed motor, fluid pump, accumulator tank, the experimental box are a sealing hollow box body, are distinguished on the roof and bottom wall of experimental box
It is provided with and returns outlet and inlet, rotary shaft is vertically provided with inside the experimental box, the adjustable speed motor passes through
For transmission shaft with rotation axis connection to drive rotary shaft to rotate, the inside sidewalls of the experimental box are provided with rock core placing groove, described
Inlet is connect by injecting bend pipe with fluid pump, and the outlet of returning is connect by returning out bend pipe with accumulator tank.
As a further improvement, at least one side wall of the experimental box is formed by the flapper hinged with roof,
The rock core placing groove is arranged on the medial surface of flapper.
As a further improvement, the roof of the experimental box and bottom wall are opposite with the rock core placing groove on flapper
The position setting answered is fluted.
As a further improvement, sealing ring installation is provided on the contact surface between the experimental box and flapper
Slot is equipped with sealing ring in sealing ring mounting groove.
As a further improvement, the lower end of the flapper, which is provided with, is fixedly connected for the bottom wall with experimental box
Quick-make button.
As a further improvement, intermediate receptacle, the intermediate receptacle are provided between injection bend pipe and the fluid pump
It is made of cylinder barrel and the piston being arranged in cylinder barrel, one end of the cylinder barrel is connect with injection bend pipe, the other end of cylinder barrel and institute
The outlet end connection of fluid pump is stated, the arrival end of the fluid pump connects water tank by the bend pipe that absorbs water.
As a further improvement, the periphery of the rotary shaft is provided with screw thread or blade.
Provided by the present invention for the dynamic simulation experimental device of appraisal drilling liquid inhibition, including experimental box, can turn
Electric motor with speed, fluid pump, accumulator tank, the experimental box are a sealing hollow box body, are set respectively on the roof and bottom wall of experimental box
It is equipped with and returns outlet and inlet, rotary shaft is vertically provided with inside the experimental box, the adjustable speed motor passes through biography
For moving axis with rotation axis connection to drive rotary shaft to rotate, the inside sidewalls of the experimental box are provided with rock core placing groove, the note
Entrance is connect by injecting bend pipe with fluid pump, and the outlet of returning is connect by returning out bend pipe with accumulator tank.In use, according to wanting
The rotating speed of adjustment adjustable speed motor is sought, fluid pump is opened, drilling fluid is entered under the action of fluid pump by injecting bend pipe
Experimental box, drilling fluid full of experimental box and enter accumulator tank by returning out bend pipe, and the drilling fluid in experimental box is in addition to by upward
Thrust outside, the centrifugal force also provided by the rotary shaft in experimental box, to which dynamic analog is different in flow rate, different fluidised forms, no
Drilling fluid is to rock core souring under the conditions of same density, different temperatures and drilling tool disturbance centrifugal force, drilling fluid in exact evaluation well
Synthesis inhibition under the influence ofs being returned speed, fluidised form, density, temperature and drilling tool disturbance centrifugal force etc. by annular space, to instruct scene
Select suitable drilling fluid system, it is ensured that wellbore stability realizes safety work target.The present invention has simple in structure, cost of investment
It is low, reusable, convenient experimental operation, the advantages that drilling fluid inhibition evaluation precision is high, it can be widely applied for drilling fluid
System inhibition is evaluated.
On the other hand, the present invention provides a kind of using the dynamic simulation experiment for being used for appraisal drilling liquid inhibition as described above
The method that device is tested, includes the following steps：
S1, preparation：
1. checking fluid pump and adjustable speed motor working order, it is smooth to check whether rotary shaft rotates；
2. water tank is inserted into suction elbow one end, one end is connect with fluid pump, and the fluid pump other end is connect with intermediate receptacle,
The intermediate receptacle other end connect with injection bend pipe, and injection bend pipe is connect with inlet, is returned and is exported and return out bend pipe one end and connect, returns
Go out the bend pipe other end to be inserted into accumulator tank；
3. experiment rock core is packed into rock core placing groove；
4. checking experiment case makes it keep good sealing state；
5. the drilling fluid of corresponding density is got out, the temperature that drilling fluid is heated to needing, and it is injected into connection note
In the intermediate receptacle for entering bend pipe one end, and drilling fluid is full of experimental box；
6. water tank is filled with water in advance, accumulator tank is emptied in advance；
S2, experiment：
1. open adjustable speed motor, according to require adjustment rotating speed；
2. opening fluid pump, according to adjustment pump speed is required, makes to return speed in experimental box and meet the requirements；
3. drilling fluid discharge and accumulator tank drilling fluid reclamation situation in intermediate receptacle are observed, when drilling fluid is arranged in intermediate receptacle
Stop fluid pump and adjustable speed motor after complete；
4. emptying the surplus drilling fluid in experimental box；
5. taking out experiment rock core, rock core state, appraisal drilling liquid inhibition are observed；
6. weighing remaining rock core weight, appraisal drilling liquid inhibition；
S3, maintenance：
1. it removes and cleans injection bend pipe, return out bend pipe, intermediate receptacle, experimental box, accumulator tank, individually maintenance and placement.
Dynamic simulation experimental device provided by the invention using as described above for appraisal drilling liquid inhibition is bored
Well liquid inhibition evaluation experimental can return speed, different fluidised forms, different densities, different temperatures and drilling tool with visual evaluation difference annular space
Disturbance centrifugal force under the conditions of drilling fluid influences is washed away on the borehole wall, thus exact evaluation well in drilling fluid by annular space return speed, fluidised form,
Synthesis inhibition under the influence of density, temperature and drilling tool disturbance centrifugal force etc., and then scene is instructed to select suitable drilling fluid system,
Ensure wellbore stability.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram for the experimental box of the dynamic simulation experimental device of appraisal drilling liquid inhibition.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural schematic diagram for the dynamic simulation experimental device of appraisal drilling liquid inhibition.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real in order to make those skilled in the art more fully understand technical scheme of the present invention
Applying example, the present invention is described in further detail, it should be noted that in the absence of conflict, embodiments herein and
Feature in embodiment can be combined with each other.
In conjunction with shown in Fig. 1 to Fig. 3, a kind of dynamic analog for appraisal drilling liquid inhibition provided in an embodiment of the present invention
Experimental provision, including experimental box 1, adjustable speed motor 2, fluid pump 3, accumulator tank 4.The experimental box 1 is that a sealing is hollow
Babinet, long 8cm, wide 8cm, high 10cm is main to provide rock core and drilling fluid attaching space, while providing rotating centrifugal to drilling fluid
Power.Outlet 5 is returned there are two being respectively set on the roof and bottom wall of experimental box 1 and two inlets 6, two inlet positions are returned with two
Outlet port corresponds to, and returns outlet 5 and provides channel for drilling fluid outfolw experiment case, inlet 6 flows into experimental box for drilling fluid and provides
Channel.Rotary shaft 7 is vertically provided with inside the experimental box 1, the rotary shaft outer diameter 2cm, band right-handed thread can be free
Rotation, centrifugal force is provided for drilling fluid.The adjustable speed motor 2 is connect by transmission shaft 8 with rotary shaft 7 to drive rotation
Axis 7 rotates, and the adjustable speed motor can realize stepless speed regulation, 0~200 rev/min of speed adjustable range；Adjustable rotating speed is electronic
After machine rotation, rotating speed is transmitted to the rotary shaft in experimental box by transmission shaft, to provide centrifugation for the drilling fluid in experimental box
Power.In 1 roof center of experimental box there are one transmission axis hole, transmission shaft is provided and enters experimental box channel, outside the transmission shaft
Diameter is mating with transmission axis hole, realizes that adjustable speed motor drives rotary shaft rotation, transmission shaft and transmission axis hole by transmission shaft
Sealing rotation can be achieved.In 1 bottom wall central position of experimental box, there are one rotary shaft hole, deep about 1cm, rotary shaft hole support rotary shafts
7 lower end.Two opposite inside sidewalls of the experimental box 1 are provided with rock core placing groove 9, and the inlet 6 passes through injection
Bend pipe 10 is connect with fluid pump 3, and the outlet 5 of returning is connect by returning out bend pipe 11 with accumulator tank 4.Under the injection bend pipe 10
End is a pipe, and upper end branches into two pipes, is connect respectively with two inlets of experiment lower box part, enters experiment for drilling fluid
Case provides channel.11 upper end of bend pipe of returning out is a pipe, and lower end is two and is in charge of, and is returned respectively with two on experimental box
Outlet connection, lower end two is in charge of merge into a bend pipe after be inserted into accumulator tank 4, provide channel for drilling fluid reclamation.
As further preferred embodiment, the left and right two side walls of the experimental box 1 are by the activity hinged with roof
The formation of baffle 12, the rock core placing groove 9 are arranged on the medial surface of flapper 12.The long 10cm of flapper, it is wide
8cm, thick 2cm, flapper inner face middle position are provided with rock core placing groove, and rock core places groove width 4cm, high 8cm, and indent is deep
1cm；The upper end of flapper is by reset gate axis connection in the roof left and right ends of experimental box, and the reset door-hinge is when activity
Baffle can automatically reset when opening.The lower end of the flapper 12 is provided with for being fixedly connected with the bottom wall of experimental box 1
Quick-make button 15, quick-make button 15 matches with the closure button on experimental box bottom, realizes flapper and experiment
Case sealing cooperation.The quick-make button can also be made of two parts, and a part is located at flapper lower end, and a part is located at
Experimental box bottom wall provides flapper and experimental box sealing cooperation fastening force in the following, match.
As further preferred embodiment, the roof and bottom wall of the experimental box 1 with the rock on flapper 12
9 corresponding position of heart placing groove setting fluted 13, groove 13 long 1cm, high 1cm.The rock core placing groove and groove are mating,
Herein and the static placement of rock core can be provided to fastening force in experimentation.
As further preferred embodiment, it is provided on the contact surface between the experimental box 1 and flapper 12
Sealing ring mounting groove 14 is equipped with rectangular sealing ring in sealing ring mounting groove 14.The sealing ring mounting groove 14 is located at experiment
Roof, the bottom wall of case, on front apron, rear baffle, formed one it is complete rectangular, for placing square seal ring, the side
Shape sealing ring is mounted in sealing ring mounting groove, and after flapper has been locked, square seal ring keeps entire experimental box strictly close
Envelope.
As further preferred embodiment, it is provided with intermediate receptacle 16 between the injection bend pipe 10 and fluid pump 3,
The intermediate receptacle 16 is made of cylinder barrel and the piston being arranged in cylinder barrel, and the intermediate receptacle internal volume is 10~50L, institute
The one end for stating cylinder barrel is connect with injection bend pipe 10, and the other end of cylinder barrel is connect with the outlet end of the fluid pump 3, the fluid pump
3 arrival end connects water tank 18 by the bend pipe 17 that absorbs water, and the water tank capacity is bigger 10~20L than intermediate receptacle.In use, institute
Drilling fluid is filled in the one end for stating cylinder barrel, and the water in water tank 18 is pumped into the other end of cylinder barrel by the fluid pump, to push
Piston is moved to one end of cylinder barrel, and piston press drilling fluid makes it enter experimental box 1 through injecting bend pipe 10.The fluid pump pump speed
Adjustable, annular space as needed returns velocity modulation section pump speed.Using the above structure, fluid pump is not in direct contact with drilling fluid, can be reduced
The performance requirement of fluid pump improves the service life of fluid pump.
As further preferred embodiment, the periphery of the rotary shaft 7 is provided with screw thread or blade, in this way, rotation
Shaft 7 can preferably stir the drilling fluid in experimental box 1 in 1 inner rotation of experimental box, to simulate drilling tool disturbance centrifugation
Power.
Illustrate the present invention using the dynamic analog for being used for appraisal drilling liquid inhibition as described above with reference to Fig. 1 to Fig. 3
The method that draft experiment device is tested, specifically includes following steps：
S1, preparation work：
1. checking fluid pump and adjustable speed motor working order, it is ensured that it is working properly, check whether rotary shaft rotates
It is smooth, by adjustable speed motor and transmission axis connection；
2. water tank is inserted into suction elbow one end, one end is connect with fluid pump, and the fluid pump other end is connect with intermediate receptacle,
The intermediate receptacle other end is connect with injection bend pipe, and injection two branched pipe of bend pipe is connect with two inlets respectively, and two are returned outlet
Respectively with return out two branched pipe of bend pipe and connect, return out the bend pipe other end and be inserted into accumulator tank；
3. having checked square seal ring state in advance and being mounted in sealing ring mounting groove in advance；
4. getting out 2 block length 2cm, wide 4cm, high 6cm rock cores 19 are opened flapper and are respectively charged into experimental box
Rock core placing groove in, close flapper, shut quick-make button；
5. it gets out the drilling fluid of corresponding density in advance, the temperature that drilling fluid is heated to needing, and the company of being injected into
In the intermediate receptacle for connecing injection bend pipe one end, and drilling fluid is full of experimental box；
6. water tank is filled with water in advance, accumulator tank is emptied in advance.
S2, experiment：
1. open adjustable speed motor, according to require adjustment rotating speed；
2. opening fluid pump, according to adjustment pump speed is required, makes to return speed in experimental box and meet the requirements；
3. drilling fluid discharge and accumulator tank drilling fluid reclamation situation in intermediate receptacle are observed, when drilling fluid is arranged in intermediate receptacle
Stop fluid pump and adjustable speed motor after complete；
4. emptying the surplus drilling fluid in experimental box；
5. opening quick-make button, flapper is opened, takes out experiment rock core, observes rock core state, the suppression of appraisal drilling liquid
Property processed；
6. weighing remaining rock core weight, appraisal drilling liquid inhibition.
S3, maintenance：
1. intermediate receptacle, pipeline, experimental box, accumulator tank on clean cycle route etc. are removed each device connection, are individually protected
It supports and places；
2. taking out the square seal ring in experimental box；
3. resetting the coating butters such as door-hinge, transmission shaft, rotary shaft.
Many details are elaborated in above description to facilitate a thorough understanding of the present invention, still, the present invention can be with
Implemented different from other modes described here using other, it is thus impossible to be interpreted as limiting the scope of the invention.
In short, although the present invention lists above-mentioned preferred embodiment, although it should be noted that those skilled in the art
Member can carry out various change and remodeling, unless such variation and remodeling deviate from the scope of the present invention, otherwise should all wrap
It includes within the scope of the present invention.
Claims (8)
1. a kind of dynamic simulation experimental device for appraisal drilling liquid inhibition, it is characterised in that：Including experimental box (1), can
Electric motor with speed (2), fluid pump (3), accumulator tank (4) are turned, the experimental box (1) is a sealing hollow box body, experimental box (1)
It is respectively arranged on roof and bottom wall and returns outlet (5) and inlet (6), rotation is vertically provided with inside the experimental box (1)
Axis (7), the adjustable speed motor (2) are connect by transmission shaft (8) with rotary shaft (7) to drive rotary shaft (7) to rotate, institute
The inside sidewalls for stating experimental box (1) are provided with rock core placing groove (9), and the inlet (6) is by injecting bend pipe (10) and fluid
(3) connection is pumped, it is described to return outlet (5) and connect with accumulator tank (4) by returning out bend pipe (11).
2. the dynamic simulation experimental device according to claim 1 for appraisal drilling liquid inhibition, it is characterised in that：Institute
At least one side wall for stating experimental box (1) is formed by the flapper (12) hinged with roof, rock core placing groove (9) setting
On the medial surface of flapper (12).
3. the dynamic simulation experimental device according to claim 2 for appraisal drilling liquid inhibition, it is characterised in that：Institute
State the roof of experimental box (1) and bottom wall be provided in position corresponding with rock core placing groove (9) on flapper (12) it is recessed
Slot (13).
4. the dynamic simulation experimental device according to claim 2 for appraisal drilling liquid inhibition, it is characterised in that：Institute
It states and is provided with sealing ring mounting groove (14), sealing ring mounting groove on the contact surface between experimental box (1) and flapper (12)
(14) sealing ring is installed in.
5. the dynamic simulation experimental device according to claim 2 for appraisal drilling liquid inhibition, it is characterised in that：Institute
The quick-make that the lower end of flapper (12) is provided with for being fixedly connected with the bottom wall of experimental box (1) is stated to buckle (15).
6. the dynamic simulation experimental device according to any one of claim 1 to 5 for appraisal drilling liquid inhibition,
It is characterized in that：Be provided with intermediate receptacle (16) between the injection bend pipe (10) and fluid pump (3), the intermediate receptacle (16) by
Cylinder barrel and the piston composition being arranged in cylinder barrel, one end of the cylinder barrel are connect with injection bend pipe (10), the other end of cylinder barrel and
The outlet end of the fluid pump (3) connects, and the arrival end of the fluid pump (3) connects water tank (18) by the bend pipe (17) that absorbs water.
7. the dynamic simulation experimental device according to any one of claim 1 to 5 for appraisal drilling liquid inhibition,
It is characterized in that：The periphery of the rotary shaft (7) is provided with screw thread or blade.
8. a kind of using the dynamic simulation experimental device for being used for appraisal drilling liquid inhibition described in any one of claim 1 to 7
The method tested, which is characterized in that include the following steps：
S1, preparation：
1. checking fluid pump and adjustable speed motor working order, it is smooth to check whether rotary shaft rotates；
2. water tank is inserted into suction elbow one end, one end is connect with fluid pump, and the fluid pump other end is connect with intermediate receptacle, intermediate
The container other end connect with injection bend pipe, and injection bend pipe is connect with inlet, is returned and is exported and return out bend pipe one end and connect, returns out curved
The pipe other end is inserted into accumulator tank；
3. experiment rock core is packed into rock core placing groove；
4. checking experiment case makes it keep good sealing state；
5. the drilling fluid of corresponding density is got out, the temperature that drilling fluid is heated to needing, and it is curved to be injected into connection injection
In the intermediate receptacle of pipe one end, and drilling fluid is full of experimental box；
6. water tank is filled with water in advance, accumulator tank is emptied in advance；
S2, experiment：
1. open adjustable speed motor, according to require adjustment rotating speed；
2. opening fluid pump, according to adjustment pump speed is required, makes to return speed in experimental box and meet the requirements；
3. drilling fluid discharge and accumulator tank drilling fluid reclamation situation in intermediate receptacle are observed, after drilling fluid is drained in intermediate receptacle
Stop fluid pump and adjustable speed motor；
4. emptying the surplus drilling fluid in experimental box；
5. taking out experiment rock core, rock core state, appraisal drilling liquid inhibition are observed；
6. weighing remaining rock core weight, appraisal drilling liquid inhibition；
S3, maintenance：
1. it removes and cleans injection bend pipe, return out bend pipe, intermediate receptacle, experimental box, accumulator tank, individually maintenance and placement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262184.7A CN108318371B (en) | 2018-03-28 | 2018-03-28 | Dynamic simulation experiment device and method for evaluating drilling fluid inhibition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262184.7A CN108318371B (en) | 2018-03-28 | 2018-03-28 | Dynamic simulation experiment device and method for evaluating drilling fluid inhibition |
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| CN108318371A true CN108318371A (en) | 2018-07-24 |
| CN108318371B CN108318371B (en) | 2023-06-09 |
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| CN201810262184.7A Active CN108318371B (en) | 2018-03-28 | 2018-03-28 | Dynamic simulation experiment device and method for evaluating drilling fluid inhibition |
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| CN109342187A (en) * | 2018-09-30 | 2019-02-15 | 西南石油大学 | A kind of brill Fissile Shale drilling fluid system inhibition evaluation method |
| CN110133232A (en) * | 2019-04-26 | 2019-08-16 | 中国石油大学(华东) | Simulation cement slurry washes away the experimental provision and evaluation method of dissolution to rock salt |
| CN110243998A (en) * | 2019-04-17 | 2019-09-17 | 西南石油大学 | A kind of long-range QA system of inhibitive drilling fluid anti-sloughing agent and its application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110133232B (en) * | 2019-04-26 | 2021-06-04 | 中国石油大学(华东) | Experimental device and evaluation method for simulating scouring and dissolving effects of cement slurry on salt rock |
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| Publication number | Publication date |
|---|---|
| CN108318371B (en) | 2023-06-09 |
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