CN209802927U - Long-term conductivity testing device for proppant - Google Patents
Long-term conductivity testing device for proppant Download PDFInfo
- Publication number
- CN209802927U CN209802927U CN201920027875.9U CN201920027875U CN209802927U CN 209802927 U CN209802927 U CN 209802927U CN 201920027875 U CN201920027875 U CN 201920027875U CN 209802927 U CN209802927 U CN 209802927U
- Authority
- CN
- China
- Prior art keywords
- proppant
- chamber
- liquid
- flow
- water conservancy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 230000007774 longterm Effects 0.000 title claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 31
- 230000008859 change Effects 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 77
- 239000012530 fluid Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000001802 infusion Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 36
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000011435 rock Substances 0.000 description 7
- 230000001502 supplementing effect Effects 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910000856 hastalloy Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a long-term water conservancy diversion ability testing arrangement of proppant, it sets up two at least water conservancy diversion rooms on same hydraulic means's hydraulic platform including covering at the outside control by temperature change insulation can of hydraulic means, the combination that superposes from top to bottom to and set up in water conservancy diversion room one side, be used for gathering the photoelectric displacement sensor that water conservancy diversion room piston displacement changes. The temperature control heat insulation box is covered outside the hydraulic device, so that a stable experiment environment is provided for the experiment device, and the accuracy of the experiment is ensured; simultaneously with the combination setting of superpose about a plurality of water conservancy diversion rooms on same hydraulic means's hydraulic platform, pressurize the experiment through a hydraulic means to two water conservancy diversion rooms simultaneously, not only realized the cost saving, still improved experimental efficiency, and adopt photoelectric displacement sensor, it is higher than current crossbar-type displacement sensor precision, reduced the measuring error of proppant thickness change.
Description
Technical Field
the utility model relates to a water conservancy diversion experimental apparatus, concretely relates to long-term water conservancy diversion ability testing arrangement of proppant.
Background
Hydraulic fracturing is the most effective and unconventional field stimulation at this stage, with the goal of creating high conductivity sand-filled fractures in the formation. Matching the flow conductivity of the artificial fractures and optimizing the proppant according to the characteristics of the reservoir is the key for realizing cost reduction and efficiency improvement, and by simulating the stratum conditions and using proppants with different types and different particle sizes to perform long-term flow conductivity experiments, the obtained experimental data can be used as reference for the field fracturing construction parameters.
In general, indoor experiments mainly simulate rock closing pressure, formation temperature and fluid flowing state in the formation to test the conductivity of different types of proppants. According to the shale proppant pack long-term conductivity measurement recommendation method (NBT-14023) -2017, when the conductivity is measured, the stability needs to be 50 +/-2 h under each closing pressure, the test time is long, the efficiency is low, and the test efficiency needs to be improved urgently.
The long-term flow guide capability testing device used at the present stage is generally a single flow guide chamber, only one group of experiments can be performed each time, and the experiment efficiency is low; the experiment depends on the hydraulic press to load and simulate the stratum closing pressure, and when one set of equipment is only a single diversion chamber, the equipment cost investment is improved, and the utilization rate is low; the conventional equipment cannot perform acid-base fluid experiments; the environmental temperature of the laboratory has great influence on the temperature of the diversion chamber and the fluid, the diversion chamber of the conventional equipment is directly exposed in the air, and the experimental temperature is greatly influenced by the environmental temperature to influence the experimental accuracy; the conventional contact displacement sensor can cause the deformation of a contact rod in the long-term experiment process, so that the monitoring data of the thickness of the propping agent is inaccurate; in the experiment, the pipeline is blocked by the propping agent or impurities, the pressure is suddenly increased to cause great damage to a high-precision pressure gauge, a differential pressure gauge and a constant flow pump, and the experiment needs to be stopped immediately at the moment, but the function cannot be realized by conventional equipment; therefore, it is necessary to design a novel experimental testing device with high efficiency, low cost and good safety performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists, provide a long-term water conservancy diversion ability testing arrangement of proppant, solve the long-term water conservancy diversion ability testing arrangement of current proppant inefficiency, with high costs, the relatively poor and experiment precision of security performance has the technical problem of error.
In order to solve the technical problem, the utility model provides a long-term water conservancy diversion ability testing arrangement of proppant, it includes
A temperature control incubator;
the hydraulic device is arranged in the temperature control heat insulation box;
The device comprises at least two flow guide chambers which are vertically overlapped and combined and arranged on a hydraulic platform of a hydraulic device, wherein all the flow guide chambers are connected with a set of liquid adding system and a set of gas adding system through connecting pipelines, and the liquid adding system and the gas adding system are respectively provided with a liquid meter and a gas meter; a plurality of differential pressure meter connecting ports are uniformly distributed in the diversion cavity of each diversion chamber along the length direction of the body from the feed inlet to the discharge outlet, and the differential pressure meter connecting ports are respectively connected with a plurality of pressure acquisition ports of a differential pressure meter in a one-to-one correspondence manner through connecting pipelines;
The vacuum pump is simultaneously communicated with the flow guide cavities of all the flow guide chambers through connecting pipelines;
The heating rod is embedded in the flow guide chamber and used for maintaining the temperature in the flow guide cavity in the flow guide chamber at a set temperature; and
And the photoelectric displacement sensor is arranged on one side of the diversion chamber and is used for collecting the displacement change of the piston of the diversion chamber.
preferably, each liquid outlet of the diversion chamber is provided with a proppant anti-flow filter screen.
preferably, the liquid adding system comprises a liquid storage tank and a liquid collecting meter, wherein the liquid storage tank is communicated with the feed inlet of each flow guide chamber through a connecting pipeline, the liquid collecting meter is communicated with the discharge outlet of each flow guide chamber through a connecting pipeline, and a advection pump is arranged on the connecting pipeline between the liquid storage tank and the flow guide chamber.
Preferably, a liquid supplementing middle piston container is arranged on a connecting pipeline between the constant flow pump and the flow guide chamber, an upper two-position three-way electromagnetic valve and a lower two-position three-way electromagnetic valve are respectively arranged at the upper end and the lower end of the liquid supplementing middle piston container, a liquid inlet interface of the upper two-position three-way electromagnetic valve is connected with the liquid storage tank through a pipeline, and a liquid outlet interface of the upper two-position three-way electromagnetic valve is connected with the flow guide chamber through a pipeline.
Preferably, the gas filling system comprises a gas storage tank which is communicated with the feed inlet of each flow guide chamber through a connecting pipeline, and a gas exhaust port which is communicated with the discharge outlet of each flow guide chamber through a connecting pipeline, wherein a gas meter is arranged on the connecting pipeline between the liquid storage tank and the flow guide chamber.
The proppant long-term flow conductivity testing device of the utility model provides a stable experimental environment for the experimental device by covering the temperature control heat preservation box outside the hydraulic device, thereby ensuring the accuracy of the experiment; simultaneously with the combination setting of superpose about a plurality of water conservancy diversion rooms on same hydraulic means's hydraulic platform, pressurize the experiment through a hydraulic means to two water conservancy diversion rooms simultaneously, not only realized the cost saving, still improved experimental efficiency, and adopt photoelectric displacement sensor, it is higher than current crossbar-type displacement sensor precision, reduced the measuring error of proppant thickness change. Proppant long-term conductivity testing arrangement, simple structure, convenient operation can be suitable for long-term conductivity test experiment and short-term conductivity test experiment simultaneously, is suitable for using widely.
drawings
Fig. 1 is a schematic view of the overall structure of the proppant long-term conductivity testing device of the present invention;
FIG. 2 is a schematic diagram of the experimental principle of the device for testing the long-term flow conductivity of the proppant of the present invention;
fig. 3 is a schematic control diagram of the proppant long-term conductivity testing device of the present invention.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
an embodiment of the utility model provides a long-term water conservancy diversion ability testing arrangement of proppant, it includes
A temperature control incubator 1;
The hydraulic device 2 is arranged in the temperature control heat insulation box 1;
The device comprises at least two guide chambers 4 which are vertically overlapped and combined and arranged on a hydraulic platform of a hydraulic device 2, wherein all the guide chambers 4 are connected with a set of liquid adding system 10 and a set of gas adding system 11 through connecting pipelines, and the liquid adding system 10 and the gas adding system 11 are respectively provided with a liquid collecting meter 105 and a gas meter 112; in the diversion cavity of each diversion chamber 4, a plurality of differential pressure gauge 12 connecting ports are uniformly distributed along the length direction of the body from the feed inlet to the discharge outlet, and the differential pressure gauge 12 connecting ports are respectively connected with a plurality of pressure acquisition ports of a differential pressure gauge 12 in a one-to-one correspondence manner through connecting pipelines;
the vacuum pumping pump 5 is simultaneously communicated with the flow guide cavities of all the flow guide chambers 4 through connecting pipelines;
The heating rod 6 is embedded in the diversion chamber 4 and used for maintaining the temperature in the diversion cavity in the diversion chamber 4 at a set temperature; and
And the photoelectric displacement sensor 7 is arranged on one side of the diversion chamber 4 and is used for acquiring the displacement change of the piston of the diversion chamber 4.
the temperature control heat insulation box 1 is covered outside the hydraulic device 2, so that a stable experiment environment is provided for an experiment device, and the accuracy of the experiment is ensured; simultaneously with a plurality of water conservancy diversion rooms 4 stack combination setting from top to bottom on same hydraulic means 2's hydraulic platform, pressurize the experiment through a hydraulic means 2 to two water conservancy diversion rooms 4 simultaneously, not only realized the cost saving, still improved experimental efficiency, and adopt photoelectric displacement sensor 7, it is higher than current crossbar-type displacement sensor precision, reduced the measuring error of proppant thickness variation. Proppant long-term conductivity testing arrangement, simple structure, convenient operation can be suitable for long-term conductivity test experiment and short-term conductivity test experiment simultaneously, is suitable for using widely.
example 1:
The device is used for solving the technical problems that the existing proppant long-term flow conductivity testing device is low in efficiency, high in cost, poor in safety performance and error exists in experiment precision. Embodiment 1 of the utility model provides a long-term water conservancy diversion ability testing arrangement of proppant, it includes control by temperature change insulation can 1, hydraulic means 2, compensating pump 3, water conservancy diversion room 4, evacuation pump 5, heating rod 6, photoelectric displacement sensor 7, control terminal 8, well accuse module 9.
The temperature control heat preservation box 1 covers the outside of the hydraulic device 2, provides a stable experiment environment for an experiment device, and ensures the accuracy of the experiment.
As shown in fig. 1 and fig. 2, two diversion rooms 4 are stacked and combined up and down on a hydraulic platform of the same hydraulic device 2, and the two diversion rooms 4 are pressurized simultaneously through the hydraulic device 2, so that the experiment cost is saved, the hydraulic device 2 further comprises a compensation pump 3, and the compensation pump 3 is used for performing accurate pressure control on the hydraulic device 2 in a small range.
All the diversion chambers 4 are connected with a set of liquid adding system 10 (not shown in the figure) and a set of gas adding system 11 (not shown in the figure) through connecting pipelines, specifically, as shown in fig. 2, the liquid adding system 10 comprises a liquid storage tank 101, a constant-current pump 102, a liquid supplementing intermediate piston container 103, a preheating chamber 104 and a liquid collecting meter 105, the liquid storage tank 101 is respectively communicated with a feed inlet of each diversion chamber 4 through a connecting pipeline, the constant-current pump 102 is arranged on the connecting pipeline between the liquid storage tank 101 and the diversion chambers 4, the liquid supplementing intermediate piston container 103 is arranged on the connecting pipeline between the constant-current pump 102 and the diversion chambers 4, and the preheating chamber 104 is arranged on the connecting pipeline between the liquid supplementing intermediate piston container 103 and the diversion chambers 4 and is used for heating the experimental liquid to be introduced into the diversion chambers; the liquid collecting meter 105 is communicated with the discharge hole of each flow guide chamber 4 through a connecting pipeline and is used for metering the flow of the experimental liquid passing through the proppant in the flow guide cavity in unit time. Each inlet channel and the liquid outlet channel of water conservancy diversion room 4 are last to be equipped with feed liquor valve and liquid valve respectively, be equipped with admission valve and air outlet valve on each inlet channel of water conservancy diversion room 4 and the pipeline of giving vent to anger respectively.
The upper end and the lower end of the liquid supplementing middle piston container 103 are respectively provided with an upper two-position three-way electromagnetic valve and a lower two-position three-way electromagnetic valve, a liquid inlet interface of the upper two-position three-way electromagnetic valve is connected with the liquid storage tank 101 through a pipeline, and a liquid outlet interface of the upper two-position three-way electromagnetic valve is connected with the flow guide chamber 4 through a pipeline. The specific structure of the liquid supplementing intermediate piston container 103 preferably refers to the utility model patent application with the application number "201821904023.5".
As shown in fig. 2, the gas adding system 11 includes a gas storage tank 111, a gas meter 112, and an exhaust port 113, the gas storage tank 111 is respectively communicated with the feed inlet of each diversion chamber 4 through a connecting pipeline, and the gas meter 112 is arranged on the connecting pipeline between the liquid storage tank 101 and the diversion chamber 4 and is used for measuring the flow rate of the experimental gas passing through the diversion chamber in unit time; the exhaust port 113 is communicated with the discharge port of each flow guide chamber 4 through a connecting pipeline, and is used for exhausting the gas flowing out of the flow guide chamber.
Each in the water conservancy diversion chamber 4's the water conservancy diversion chamber, evenly distribute along the feed inlet to the body length direction of discharge gate direction and be equipped with three differential pressure gauge 12 and connect the opening, differential pressure gauge 12 connects the opening and is connected through the three pressure acquisition port one-to-one of connecting tube and differential pressure gauge 12 respectively for gather the pressure differential of water conservancy diversion chamber different positions.
in order to ensure that the temperature in the diversion cavity is accurately kept at the set temperature, as shown in fig. 1 and 2, each diversion chamber 4 is provided with a heating rod 6 and a temperature sensor 13, the heating rod 6 is embedded in the inner wall of the diversion chamber to heat the diversion chamber, and the temperature sensor 13 is electrically connected with the heating rod 6 through a central control module 9 to control the working time of the heating rod 6, so that the temperature in the diversion chamber 4 is maintained at the set temperature.
as shown in fig. 1, diversion chamber 4 one side is equipped with photoelectric displacement sensor 7, photoelectric displacement sensor 7 is through transmitting the infrared ray to the diversion chamber piston rod 41 that sets up in its top, and thereby receive the infrared ray that diversion chamber piston rod 41 reflects back and discern the displacement change of diversion chamber piston rod 41 diversion chamber, the displacement change of diversion chamber 4 piston promptly, the displacement change of diversion chamber 4 piston is the thickness change of flow guide intracavity proppant promptly, photoelectric displacement sensor 7 is higher than current crossbar-type displacement sensor precision, has reduced the measuring error of proppant thickness change.
simultaneously, for avoiding proppant or impurity to block up the pipeline and make pressure rise suddenly and lead to the fact the problem that causes very big harm to pressure gauge 15, differential pressure gauge 12 and advection pump 102 of high accuracy, the utility model discloses a each liquid outlet all is provided with the proppant on the water conservancy diversion room 4 and prevents flowing the filter screen, prevents that proppant or impurity from blockking up the pipeline.
the vacuum pumping pump 5 is simultaneously communicated with the flow guide cavities of all the flow guide chambers 4 through connecting pipelines, and before experiments are carried out, the flow guide cavities are vacuumized to enable the flow guide cavities to be in a complete vacuum state, so that the influence of original air or impurities in the flow guide cavities on experimental results is avoided.
Flow guide chamber 4 and supporting fluid infusion middle piston container 103, temperature sensor 13, pressure sensor 14, connecting tube and control flap are the hastelloy and make, utilize the acid resistance of hastelloy, thereby make the long-term water conservancy diversion capability test device of proppant can adapt to the experiment of acid-base fluid.
The proppant long-term conductivity testing device further comprises a control terminal 8, as shown in fig. 3, the control terminal 8 comprises a parameter setting module 81, and the parameter setting module 81 is electrically connected with the temperature control heat preservation box 1, the hydraulic device 2 and the heating rod 6 through a central control module 9, so that experimental parameters such as temperature, loading pressure and the like can be accurately and intelligently controlled; the control terminal 8 further comprises a data acquisition module 82, and the data acquisition module 82 is in communication connection with the differential pressure gauge 12, the liquid collection gauge 105, the gas gauge 112 and the photoelectric displacement sensor 7 through the central control module 9; the device is used for automatically acquiring various data of the differential pressure gauge 12, the photoelectric displacement sensor 7, the liquid collecting meter 105 and the gas meter 112 in the experimental process, and calculating the flow conductivity of the propping agent according to the data of the differential pressure gauge 12, the photoelectric displacement sensor 7, the liquid collecting meter 105 and the gas meter 112.
Meanwhile, pressure sensors 14 are arranged at the feed inlet and the discharge outlet of the diversion chamber 4, the pressure sensors 14 are electrically connected with the constant-current pump 102 in the liquid adding system 10 through a central control module 9, when the fluid pressure measured by the pressure sensors 14 exceeds the protection pressure, an overpressure protection signal is sent to the central control module 9, and the central control module 9 controls the constant-current pump 102 to interrupt liquid injection and start alarming; a pressure gauge 15 and a back pressure valve 16 are arranged on a discharge pipeline of the flow guide chamber 4, the pressure gauge 15 and the back pressure valve 16 are in communication connection with the parameter setting module 81 through the central control module 9, a set pressure is provided for the outflow of the experimental medium in the flow guide chamber 4, and the stable outflow of the experimental medium is ensured; the compensation pump 3 is in communication connection with the parameter setting module 81 through the central control module 9, and is used for controlling the compensation pump 3 to work and providing differential pressure when the central control module 9 detects that the difference between the hydraulic device 2 and a set pressure value is smaller; the liquid inlet valve and the liquid outlet valve of the diversion chamber 4, and the air inlet valve and the air outlet valve are also electrically connected with the central control module 9, and the intelligent switch of the central control module 9 is controlled.
Based on the long-term water conservancy diversion ability testing arrangement of above-mentioned proppant, the utility model also provides a long-term water conservancy diversion ability testing arrangement's of proppant use method, the long-term water conservancy diversion ability testing arrangement's of proppant use method as follows:
the method comprises the following steps of (1) superposing a flow guide chamber 4 up and down on a hydraulic platform of a hydraulic device 2, clamping up and down to enable a piston in the flow guide chamber 4 to be pressed down to the bottom of a flow guide cavity, carrying out zero resetting calibration on an photoelectric displacement sensor 7, marking the zero resetting height of the piston, vacuumizing the flow guide cavity to enable the flow guide cavity to be in a complete vacuum state, adding a propping agent to be detected into the flow guide cavity, and completing early preparation work;
the temperature in the temperature control heat preservation box 1 is set, different experiment temperatures are set for different flow guide cavities through the heating rod 6, when the temperature in the flow guide cavities reaches a set temperature, the hydraulic device 2 is started to pressurize the flow guide chamber 4, experiment liquid or experiment gas is respectively injected into the two flow guide cavities, the data of the differential pressure gauge 12, the photoelectric displacement sensor 7, the liquid collection meter 105 and the gas meter 112 are recorded in real time, and the flow guide capacity of the propping agent is calculated according to the data of the differential pressure gauge 12, the photoelectric displacement sensor 7, the liquid collection meter 105 and the gas meter 112.
In order to further ensure the experimental precision, during a specific experiment, two diversion rooms 4 can alternately inject liquid into the two diversion rooms 4 according to unit time, after the liquid flows through the preheating chamber 104, the hollow module controls to open a liquid inlet valve and a liquid outlet valve on a liquid inlet pipeline and a liquid outlet pipeline of one diversion room 4 at each time, the experimental liquid is only injected into one diversion room 4 at the same time, relevant data is observed and recorded, after the unit time, the liquid inlet valve and the liquid outlet valve of the diversion room 4 are closed, the liquid inlet valve and the liquid outlet valve of the other diversion room 4 are opened, the experimental liquid is injected into the other diversion room 4, the relevant data is observed and recorded, and the two diversion rooms 4 are alternately performed, so that the experimental precision can be ensured, the time is saved, the efficiency is improved, the liquid usage amount can be reduced, repeated experimental data are reduced, and the data processing is simple. The gas survey experiment is similar with the liquid survey, can also carry out the experiment of different experimental media simultaneously to two water conservancy diversion chambeies, for example carry out the experiment of experimental liquid in one water conservancy diversion room 4, carry out the experiment of experimental gas in another water conservancy diversion room 4, then can pour into experimental liquid and experimental gas respectively into two water conservancy diversion rooms 4 simultaneously to accomplish the experiment of two kinds of different experimental media, also further can save the experimental time, improve experimental efficiency.
The proppant long-term flow conductivity testing device of the utility model provides a stable experimental environment for the experimental device by covering the temperature control heat insulation box 1 outside the hydraulic device 2, and ensures the accuracy of the experiment; simultaneously with a plurality of water conservancy diversion rooms 4 stack combination setting from top to bottom on same hydraulic means 2's hydraulic platform, pressurize the experiment through a hydraulic means 2 to two water conservancy diversion rooms 4 simultaneously, not only realized the cost saving, still improved experimental efficiency, and adopt photoelectric displacement sensor 7, it is higher than current crossbar-type displacement sensor precision, reduced the measuring error of proppant thickness variation. Proppant long-term conductivity testing arrangement, simple structure, convenient operation can be suitable for long-term conductivity test experiment and short-term conductivity test experiment simultaneously, is suitable for using widely.
the long-term water conservancy diversion ability testing arrangement of proppant's application scope not only limits in the experiment of the gas survey of proppant, liquid survey water conservancy diversion ability, has following usage in addition:
The influence of proppant embedding on the flow conductivity is tested, the test is carried out by using a steel plate under certain sand laying concentration and closing pressure, and the thickness of the proppant is recorded; and changing the rock plate, loading the rock plate under the condition of the same sand laying concentration to the closing pressure, recording the thickness of the propping agent, wherein the difference value of the thicknesses is the embedding depth of the propping agent, and the influence of the embedding of the propping agent on the flow conductivity can be researched.
The influence of the acid fracturing fluid on the flow conductivity is tested, the acid can dissolve proppant particles, the pressure bearing capacity of the proppant is reduced, the thickness of the proppant is reduced, and the influence on the flow conductivity is large.
In the acid-pressing rock plate etching experiment, after the rock plate is filled in the diversion chamber 4, acid liquid heated to a certain temperature is injected, the rock plate is cleaned after the experiment is finished, the etching form of the surface of the rock plate is observed, the etching form has a large influence on the diversion capability, factors such as acid type and discharge capacity are changed in the experiment, and the influence of acid etching on the diversion capability is researched.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A device for testing the long-term flow conductivity of a propping agent is characterized by comprising
A temperature control incubator;
The hydraulic device is arranged in the temperature control heat insulation box;
The device comprises at least two flow guide chambers which are vertically overlapped and combined and arranged on a hydraulic platform of a hydraulic device, wherein all the flow guide chambers are connected with a set of liquid adding system and a set of gas adding system through connecting pipelines, and the liquid adding system and the gas adding system are respectively provided with a liquid meter and a gas meter; a plurality of differential pressure meter connecting ports are uniformly distributed in the diversion cavity of each diversion chamber along the length direction of the body from the feed inlet to the discharge outlet, and the differential pressure meter connecting ports are respectively connected with a plurality of pressure acquisition ports of a differential pressure meter in a one-to-one correspondence manner through connecting pipelines;
the vacuum pump is simultaneously communicated with the flow guide cavities of all the flow guide chambers through connecting pipelines;
The heating rod is embedded in the flow guide chamber and used for maintaining the temperature in the flow guide cavity in the flow guide chamber at a set temperature; and
and the photoelectric displacement sensor is arranged on one side of the diversion chamber and is used for collecting the displacement change of the piston of the diversion chamber.
2. The proppant long-term conductivity testing device according to claim 1, wherein each liquid outlet on the conductivity cell is provided with a proppant flow-proof filter screen.
3. The proppant long-term flow conductivity testing device according to claim 1, wherein the liquid adding system comprises a liquid storage tank which is respectively communicated with the feed inlet of each flow guiding chamber through a connecting pipeline, and a liquid collecting and metering device which is communicated with the discharge outlet of each flow guiding chamber through a connecting pipeline, wherein a constant flow pump is arranged on the connecting pipeline between the liquid storage tank and the flow guiding chambers.
4. The device for testing the long-term flow conductivity of the proppant as claimed in claim 3, wherein a fluid infusion middle piston container is arranged on a connecting pipeline between the advection pump and the diversion chamber, an upper two-position three-way electromagnetic valve and a lower two-position three-way electromagnetic valve are respectively arranged at the upper end and the lower end of the fluid infusion middle piston container, a fluid inlet interface of the upper two-position three-way electromagnetic valve is connected with the fluid storage tank through a pipeline, and a fluid outlet interface of the upper two-position three-way electromagnetic valve is used for being connected with the diversion chamber through a pipeline.
5. The proppant long-term flow conductivity testing device according to claim 3, wherein the gas-filling system comprises a gas storage tank which is respectively communicated with the feed inlet of each flow guiding chamber through a connecting pipeline, and a gas outlet which is communicated with the discharge outlet of each flow guiding chamber through a connecting pipeline, and a gas meter is arranged on the connecting pipeline between the liquid storage tank and the flow guiding chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027875.9U CN209802927U (en) | 2019-01-08 | 2019-01-08 | Long-term conductivity testing device for proppant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920027875.9U CN209802927U (en) | 2019-01-08 | 2019-01-08 | Long-term conductivity testing device for proppant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802927U true CN209802927U (en) | 2019-12-17 |
Family
ID=68819584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920027875.9U Expired - Fee Related CN209802927U (en) | 2019-01-08 | 2019-01-08 | Long-term conductivity testing device for proppant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668812A (en) * | 2019-01-08 | 2019-04-23 | 长江大学 | Proppant long-term flow conductivity test device and its application method |
-
2019
- 2019-01-08 CN CN201920027875.9U patent/CN209802927U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668812A (en) * | 2019-01-08 | 2019-04-23 | 长江大学 | Proppant long-term flow conductivity test device and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208171813U (en) | A kind of multi-functional permeability test device | |
| CN106501155A (en) | Rock core gas liquid two purpose permeability test device and reservoir damage evaluation method | |
| CN109374495A (en) | A kind of shale forces the experiment test device and method of imbibition ability | |
| CN108316916B (en) | Discharge and production pressure drop control simulation test method under different coal reservoir conditions | |
| CN110160885A (en) | The experimental provision and method of the lower measurement hyposmosis Permeability Oe Coal And Porous Rock And Fractured Rock of multi- scenarios method effect | |
| CN105717027B (en) | A kind of rock permeability test equipment of simulation underground deep rock mass environment | |
| CN109668812A (en) | Proppant long-term flow conductivity test device and its application method | |
| CN112267873B (en) | Single-crack profile control and flooding visualization experiment device and method for simulating formation conditions | |
| CN209802927U (en) | Long-term conductivity testing device for proppant | |
| CN108106969A (en) | Experimental system and method for measuring diffusion of pressure wave in core | |
| CN209606283U (en) | It is a kind of for measuring the automatic test device of soil layer infiltration coefficient | |
| CN108194825A (en) | A kind of modified room temperature gaseous working medium quantifies charging system and its methods for filling | |
| CN117433977B (en) | Supercritical CO 2 Device and method for detecting in-situ permeability of shale reaction | |
| CN207946337U (en) | A kind of shale imbibition measuring device | |
| CN210141116U (en) | Physical experiment device is invaded to gas reservoir water | |
| CN107192640A (en) | Concrete soak test device | |
| CN111060284B (en) | Testing device and method for simulating proppant backflow after fracture closure | |
| CN206668255U (en) | Gas surveys fracture guide instrument | |
| CN113466089B (en) | Shale core imbibition measuring device and method capable of intelligently controlling pressure | |
| CN215985935U (en) | High-temperature high-pressure circulating drilling fluid simulation leaking stoppage experimental device | |
| CN212180570U (en) | Spontaneous imbibition measuring device of high-pressure natural gas-water system rock core | |
| CN115263274A (en) | Device and method for testing critical sand production flow rate of shale gas well supporting fracture | |
| CN210862777U (en) | Seawater physicochemical parameter detection display device based on arm | |
| CN107328452A (en) | A kind of device and its operating method for determining irregular seal cavity volume | |
| CN209198274U (en) | A kind of shale forces the experiment test device of imbibition ability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |