CN207393191U - The experimental provision that simulation filtrational resistance influences drainage procedure strata pressure - Google Patents
The experimental provision that simulation filtrational resistance influences drainage procedure strata pressure Download PDFInfo
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- CN207393191U CN207393191U CN201721219767.9U CN201721219767U CN207393191U CN 207393191 U CN207393191 U CN 207393191U CN 201721219767 U CN201721219767 U CN 201721219767U CN 207393191 U CN207393191 U CN 207393191U
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- pressure
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- drainage procedure
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Abstract
The utility model is a kind of experimental provision simulated filtrational resistance and influenced on drainage procedure strata pressure, including testing housing, sealing clamp is provided in experiment housing, back-up sand area is formed between sealing clamp and experiment housing bottom, the bottom for testing housing sets pressure gauge group, space in experiment housing above sealing clamp can be connected by pressurized pipeline with compression pump, the exit of compression pump is provided with moulding pressure table, experiment housing, which is located on the side wall in back-up sand area, can communicatively be provided with saturation water pipeline, the entrance of saturation water pipeline is connected with compression pump, the bottom for testing housing sets flowing line, the inlet of flowing line sets discharge pressure table, the exit of flowing line sets flowmeter.The experimental provision realizes the real-time measurement to nearly well, remote well area pressure, by being probed into the simulation of accumulative displacement changing rule strata pressure, effectively instructs site operation, it is ensured that smooth, effective progress that pressure control discharges water.
Description
Technical field
The utility model is related to oil technical field of measurement and test more particularly to a kind of simulation filtrational resistance to drainage procedure stratum
The experimental provision of pressure influence.
Background technology
Huge thick saline bed can be usually run into Process of Oil Well Drilling, huge thickness saline bed Engineering Geologic Characteristics are complicated, and interlayer surpasses
High pressure brine is generally developed, vertically and horizontally upper irregular distribution, and barometric gradient changes greatly, and prediction before drilling is difficult.Brine layer bores safely
Well density window narrows such as using conventional drilling technologies spray, leak, blocking at the Frequent Accidents.Once generation down-hole accident can cause largely to bore
Well liquid is missed, and the drillng operation cycle is not only increased, but also drillng operation cost is substantially increased.To ensure ultra-deep super-pressure salt
The safety drilling of water layer discharges water, it is necessary to carry out pressure control to high pressured slatwater layer.The discharge water condition of technology of pressure control has following three points：1. salt
Between trap high pressure brine finite volume；2. being drilled into low pressure layer releases brine, pressure coefficient is reduced；3. a well discharges water, offset well
It is benefited.By the technology that discharges water to high pressured slatwater layer implementation pressure control, by the drop in formation pressure of high pressured slatwater layer to normal pressure water
It is flat, the safety drilling of high pressured slatwater layer is then carried out using normal drilling fluid density, is solved in drilling process because of super-pressure
Salt deposit drilling time has been saved in the overflow that brings, the leakage even generation of the serious accidents such as bit freezing, sidetracking, reduce drilling well into
This.
However during discharging water at the scene, construction personnel can not accurately hold the pass between displacement and strata pressure
The phenomenon that system, while can not explain after draining for a period of time, and strata pressure is held essentially constant, therefore there is an urgent need to a set of
Probe into the device of displacement and strata pressure relation.
Since the pressure control technology of discharging water is a kind of reply ultra-deep super-pressure brine layer (ultra-deep for newly proposing in recent years：Depth>
6000m；Super-pressure：Pressure>The matched process technology of safety drilling 100Mpa), relative technical equipment is considerably less, especially
It is that probe into strata pressure even more fewer and fewer with the experimental provision or method of accumulative displacement changing rule on simulation.At present
The theoretical calculation of strata pressure and fractured reservoir flow event are concentrated mainly on strata pressure relevant device or method
Simulation mainly carries out the prediction of strata pressure or analog study fractured reservoir according to well-log information and geological exploration data
Flow event；Be concentrated mainly on the pressure control relevant device or method that discharge water on the wellhead assembly of open flow release, mainly with
Some relevant devices of well control.In conclusion currently without preferably simulation filtrational resistance can be probed into in drainage procedure
The experimental provision that stressor layer variation influences, the operation that can not discharge water to live pressure control are instructed.
The present inventor relies on experience and the practice for being engaged in relevant industries for many years as a result, proposes a kind of simulation filtrational resistance pair
The experimental provision that drainage procedure strata pressure influences, to realize the guidance for the operation that discharges water to live pressure control, to ultra-deep super-pressure salt
The safety drilling of water layer has directive significance.
Utility model content
The purpose of this utility model is to provide a kind of experiments simulated filtrational resistance and influenced on drainage procedure strata pressure
Device realizes the real-time measurement to nearly well, remote well area pressure, passes through the mould to strata pressure with accumulative displacement changing rule
Plan is probed into, and effectively instructs site operation, it is ensured that smooth, effective progress that pressure control discharges water.
The purpose of this utility model is achieved in that a kind of simulation filtrational resistance influenced drainage procedure strata pressure
Experimental provision, the simulation filtrational resistance can be open including top on the experimental provision that drainage procedure strata pressure influences and energy
The experiment housing of sealing, described test are provided in housing and can be sealed against slip and energy along the madial wall of the experiment housing
The back-up sand area of sealing, the experiment are formed between the bottom of fixed sealing clamp, the sealing clamp and the experiment housing
The bottom outside of housing is provided with the pressure gauge group connected with the back-up sand area, is located at the sealing clamp in the experiment housing
The space of top can be connected by pressurized pipeline with compression pump, and the exit of the compression pump is provided with moulding pressure table, described
Experiment housing is located on the side wall in the back-up sand area and can communicatively be provided with saturation water pipeline, the entrance of the saturation water pipeline and
The compression pump connection, the bottom of the experiment housing can communicatively set flowing line, and the inlet of the flowing line is set
Discharge pressure table is put, the exit of the flowing line sets flowmeter；The back-up sand area is close to the one side of the flowing line
Near wellbore zone simulation region is formed, one side of the back-up sand area away from the flowing line forms remote well area simulation region.
In a better embodiment of the utility model, the exit of the compression pump sets the first valve, described to add
The exit of pressure pipeline sets the second valve, and the exit of the saturation water pipeline sets the 3rd valve, on the flowing line
4th valve is set between the discharge pressure table and the flowmeter.
In a better embodiment of the utility model, pressed on the madial wall of the experiment housing and positioned at the sealing
It is provided with above plate removedly and contact can limit the fixed block of the sealing clamp from top to bottom.
In a better embodiment of the utility model, the experiment housing is rectangle groove body, the rectangle groove body
Top sets and can dismantle and can seal fixed top plate, the rectangular channel body it is interior positioned at the top plate and the sealing clamp it
Between form pressurization space, the pressurized pipeline can communicatively be set with the pressurization space.
In a better embodiment of the utility model, the entrance of the saturation water pipeline can communicatively be arranged at described
On the pressurized pipeline between moulding pressure table and second valve.
In a better embodiment of the utility model, the pressure gauge group is included along the length side of the experiment housing
To spaced multiple pressure gauges.
In a better embodiment of the utility model, the multiple pressure gauge is connected to the reality by thread seal
It tests on housing.
In a better embodiment of the utility model, the pressurized pipeline, the saturation water pipeline and the draining
Pipeline is connected to by thread seal on the experiment housing.
From the above mentioned, the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure has
Following advantageous effect：
(1) in the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, reasonable cloth
Experiment housing, pipeline and pressure gauge, flowmeter are put, the fine simulation of energy probes into filtrational resistance and strata pressure in drainage procedure is become
The influence of change, workable, data acquisition is simple and comprehensive；
(2) in the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, by close
Envelope pressing plate and fixed block are used cooperatively, and can be compacteds the sand in back-up sand area with reference to pressurized pipeline, realization farthest mould
Intend real stratum；
(3) in the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, tune is passed through
The pressure of whole compression pump can realize that the pressure control under simulation Different Strata pressure condition discharges water, have wide range of applications；
(4) in the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, each pressure
Table is capable of the nearly well of effectively measuring simulation and remote well area strata pressure, the experimental provision can simulate probe into strata pressure with
The variation relation of displacement, and verify strata pressure with accumulative displacement it is interim steady it is constant whether be since near wellbore zone is pressed
After power reduces, distant place water source is broken through filtrational resistance and is supplemented near wellbore zone；
(5) experiment of the experimental provision influenced using the simulation filtrational resistance of the utility model on drainage procedure strata pressure
Method with the changing rule of accumulative displacement, can instruct live pressure control to discharge water the suitable of operation by analog study strata pressure well
Profit carries out, and is with a wide range of applications.
Description of the drawings
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
It encloses.Wherein：
Fig. 1：For the signal for the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure
Figure.
Fig. 2：For the back-up sand for the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure
Schematic diagram.
Fig. 3：The experimental provision installation influenced for the simulation filtrational resistance of the utility model on drainage procedure strata pressure is close
Seal the schematic diagram after pressing plate and fixed block.
Fig. 4：The experimental provision saturated salt influenced for the simulation filtrational resistance of the utility model on drainage procedure strata pressure
Schematic diagram during water.
Fig. 5：The experimental provision pressurization sky influenced for the simulation filtrational resistance of the utility model on drainage procedure strata pressure
Schematic diagram during interior pressurization.
Fig. 6：The experimental provision that drainage procedure strata pressure influences is started to control for the simulation filtrational resistance of the utility model
Press schematic diagram during water.
Fig. 7：The experimental provision pressure control that drainage procedure strata pressure influences is put for the simulation filtrational resistance of the utility model
Schematic diagram after water.
Fig. 8：For the first of the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure
Experimental data relational graph.
Fig. 9：For the second of the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure
Experimental data relational graph.
In figure：
100th, the experimental provision that simulation filtrational resistance influences drainage procedure strata pressure；
1st, housing is tested；
101st, back-up sand area；102nd, pressurization space；
11st, sealing clamp；12nd, top plate；13rd, fixed block；
2nd, pressurized pipeline；21st, moulding pressure table；
3rd, compression pump；
4th, saturation water pipeline；
5th, flowing line；51st, discharge pressure table；
61st, first pressure gauge；62nd, second pressure gauge；63rd, the 3rd pressure gauge；64th, the 4th pressure gauge；
7th, flowmeter；
81st, the first valve；82nd, the second valve；83rd, the 3rd valve；84th, the 4th valve.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, existing control description of the drawings
Specific embodiment of the present utility model.
As shown in Figures 1 to 7, the utility model provides what a kind of simulation filtrational resistance influenced drainage procedure strata pressure
Experimental provision 100, the experiment housing 1 that can be open and can seal including top test and energy are provided in housing 1 along experiment housing 1
Madial wall be sealed against sliding and can fixed sealing clamp 11, formed between sealing clamp 11 and the bottom for testing housing 1
The back-up sand area 101 of sealing, the height in back-up sand area 101 are determined according to experiment demand；The bottom outside of experiment housing 1 is provided with and fills out
The pressure gauge group that sand area 101 connects, the interior space positioned at 11 top of sealing clamp of experiment housing 1 can pass through pressurized pipeline 2 and pressure
3 connection of power pump, the exit of compression pump 3 are provided with moulding pressure table 21, and experiment housing 1 is located at energy on the side wall in back-up sand area 101
Saturation water pipeline 4 is communicatively provided with, the entrance of saturation water pipeline 4 is connected with compression pump 3, and the bottom of experiment housing 1 can connect
Ground is provided with flowing line 5, and the inlet of flowing line 5 sets discharge pressure table 51, and the exit of flowing line 5 sets flow
Meter 7.Back-up sand and simulated formation is formed after being densified to strata pressure, back-up sand area 101 is close to the one side of flowing line in back-up sand area 101
Near wellbore zone simulation region is formed, one side of the back-up sand area 101 away from flowing line forms remote well area simulation region.
In the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, reasonable Arrangement is real
Housing, pipeline and pressure gauge, flowmeter are tested, simulation can probe into what filtrational resistance changed strata pressure in drainage procedure very well
It influences, workable, data acquisition is simple and comprehensive；It can be by the sand pressure in back-up sand area by sealing clamp combination pressurized pipeline
It is real, realize the utmostly real stratum of simulation；By adjusting the pressure of compression pump, simulation Different Strata pressure can be realized
Under the conditions of pressure control discharge water, have wide range of applications；Each pressure gauge is capable of the nearly well of effectively measuring simulation and remote well area stratum
Pressure, the simulation filtrational resistance of the utility model, which can simulate the experimental provision that drainage procedure strata pressure influences, probes into stratum
Pressure with displacement variation relation, and verify strata pressure with accumulative displacement it is interim steady it is constant whether be due to nearly well
After area pressure reduces, distant place water source is broken through filtrational resistance and is supplemented near wellbore zone；The simulation filtrational resistance pair of the utility model
Drainage procedure strata pressure influence experimental provision can well analog study strata pressure with accumulative displacement changing rule,
The live pressure control of guidance discharges water being smoothed out of operation, and is with a wide range of applications.
Further, as shown in Figure 1, the exit of compression pump 3 sets the first valve 81, the exit of pressurized pipeline 2 is set
Second valve 82, the exit of saturation water pipeline 4 set the 3rd valve 83, are located at discharge pressure table 51 and stream on flowing line 5
4th valve 84 is set between gauge 7.Each valve is serially connected with by thread seal in each respective lines, is respectively used to control each pipe
The connection of line.
Further, as shown in Figure 1 and Figure 2, test on the madial wall of housing 1 and be provided with positioned at the top of sealing clamp 11
Removedly and can from top to bottom contact limit sealing clamp 11 fixed block 13.The size of sealing clamp 11 and experiment housing 1
Inside dimension matching set, in the present embodiment, fixed block 13 be secured by bolts in experiment housing 1 madial wall on.
During 101 saturated brine of back-up sand area, sealing clamp 11 is subject to upward active force, and fixed block 13 can limit the upper of sealing clamp 11
It moves.
Further, as shown in Figure 1 and Figure 2, in the present embodiment, housing 1 is tested as rectangle groove body, the top of rectangle groove body
Portion, which is set, can dismantle and can seal fixed top plate 12, it is necessary into rectangular channel body during back-up sand, disassemble top plate 12, sealing pressure
Plate 11 after back-up sand, installs and fixes sealing clamp 11, then seals fixed top plate 12, top plate 12 and sealing in rectangular channel body
Pressurization space 102 is formed between pressing plate 11, pressurized pipeline 2 can communicatively be set with pressurization space 102.
Further, as shown in Figure 1, the entrance connection of saturation water pipeline 4 is arranged at 21 and second valve 82 of moulding pressure table
Between pressurized pipeline 2 on.In the present embodiment, the entrance of saturation water pipeline 4 is communicated in forcing pipe by T connector fixation
On line 2.Saturation water pipeline 4 and pressurized pipeline 2 are used in conjunction with a compression pump 3, improve the service efficiency of compression pump 3, simplify back
Road is set.
Further, as shown in Figure 1, pressure gauge group includes the spaced multiple pressure of length direction along experiment housing 1
Table.In a specific embodiment of the utility model, pressure gauge group includes spaced first pressure gauge 61, second pressure gauge
62nd, the 3rd pressure gauge 63 and the 4th pressure gauge 64.In the present embodiment, the multiple pressure gauges for forming pressure gauge group pass through screw thread
It is sealedly attached on experiment housing 1.
Further, pressurized pipeline 2, saturation water pipeline 4 and flowing line 5 are connected to by thread seal on experiment housing 1.
Moulding pressure table 21 is serially connected with by thread seal on pressurized pipeline 2, and discharge pressure table 51 is connected to draining by thread seal
The inlet of pipeline 5.
Reality is carried out on the experimental provision 100 that drainage procedure strata pressure influences using the simulation filtrational resistance of the utility model
The purpose tested is the relation for simulating the decline for probing into strata pressure and displacement, and verifies strata pressure with accumulative displacement rank
Whether it is after being reduced due near wellbore zone pressure that Duan Xingping is surely constant, and distant place water source is broken through filtrational resistance and supplemented near wellbore zone.
The experimental provision 100 influenced on drainage procedure strata pressure using simulation filtrational resistance provided by the utility model
Experimental method comprises the following steps,
Step a, as shown in Fig. 2, completing the pipeline assembling of experimental provision 100, sealing clamp 11 is placed in experiment housing 1
Outside determines that each valve is closed, determines the leakproofness of each pipeline；
Step b, as shown in Figure 2 and Figure 3, gauze (prior art is not shown in figure) is close to the inside of experiment housing 1
On wall, into experiment housing 1, sealing clamp 11 is put into experiment housing 1 by back-up sand to setting height, formation back-up sand area 101
Portion is simultaneously pressed in the top of sand, and fixed block 13 is installed in the top of sealing clamp 11, is sealed and is fixedly connected with the top of experiment housing 1
Plate 12 so that 1 top sealing of experiment housing；
Step c, as shown in figure 4, opening the first valve 81 and the 3rd valve 83, compression pump 3 is started, it will using compression pump 3
Brine is by the way that in 4 micro-indentation test housing 1 of saturation water pipeline, saturated brine, back-up sand area are carried out to back-up sand area 101 in experiment housing 1
101 be saturated after close the 3rd valve 83, and record the registration of each pressure gauge at this time；
Pump pressure (registration of moulding pressure table 21) and pressure gauge group (first pressure gauge 61, the second pressure in figure of compression pump 3
Table 62, the 3rd pressure gauge 63 and the 4th pressure gauge 64) registration stablize when, it is believed that back-up sand area 101 is saturated.
Step d, as shown in figure 5, opening the second valve 82, using compression pump 3 by the top of brine indentation sealing pressing plate 11
(i.e. pressurization space 102), the pressure of increase compression pump 3 makes sealing clamp 11 pressurize back-up sand area 101 (stratum simulated), complete
Into the compacting in back-up sand area 101, the brine in back-up sand area forms high pressure water layer, and the pressure for maintaining compression pump is constant；
It should be noted that in step d, the pressure value of multiple pressure gauges of observed pressure table group treats the more of pressure gauge group
When the pressure value of a pressure gauge reaches experiment setting numerical value (in one embodiment, which is 2MPa) and stable reading,
Determine that back-up sand area is compacted.
Step e, as shown in fig. 6, opening the 4th valve 84, initial time carries out small displacement draining, completes back-up sand area 101
The drainage and step-down of high pressure water layer records once the numerical value of each pressure gauge and accumulative displacement at regular intervals；It is new in this practicality
In one specific embodiment of type, interval time 1min；
Step f, as shown in fig. 7, keeping quantitative draining and recording the numerical value of each pressure gauge and accumulative displacement, until draining
The 4th valve 84 is closed when the pressure value stabilization of pressure gauge is constant, stops drainage and step-down；
Step g, compression pump 3, the first valve 81 and the second valve 82 are closed, the brine tested in housing 1 and sand are discharged,
Cleaning experiment housing 1 and each pipeline complete experiment.
After experiment, the data of record are subjected to integration processing, moulding pressure table 21, draining pressure when drawing drainage and step-down
Power table 51 and multiple pressure gauges of pressure gauge group (first pressure gauge 61, second pressure gauge 62, the 3rd pressure gauge 63 and the 4th pressure
Table 64) pressure value with relation curve between accumulative displacement.The pressure value P of discharge pressure table 51 and the pass of accumulative displacement V
When being that curve is as shown in Figure 8, and synchronization moulding pressure table 21, discharge pressure table 51, first pressure gauge 61, second pressure gauge
62nd, the numerical value of the 3rd pressure gauge 63 and the 4th pressure gauge 64 is incremented by successively, then when illustrating to carry out drainage and step-down, near wellbore zone pressure
It reduces, after remote well area strata pressure reaches certain pressure difference near wellbore zone strata pressure, filtrational resistance is broken through at distant place water source
It is supplemented near wellbore zone, so as to strata pressure occur with the interim steady constant variation tendency of accumulative displacement；Draining pressure
When the pressure value P of power table 51 and the relation curve of accumulative displacement V as shown in Figure 9, it is not main influence to illustrate filtrational resistance
Factor.
From the above mentioned, the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure has
Following advantageous effect：
(1) in the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, reasonable cloth
Experiment housing, pipeline and pressure gauge, flowmeter are put, the fine simulation of energy probes into filtrational resistance and strata pressure in drainage procedure is become
The influence of change, workable, data acquisition is simple and comprehensive；
(2) in the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, by close
Envelope pressing plate and fixed block are used cooperatively, and can be compacteds the sand in back-up sand area with reference to pressurized pipeline, realization farthest mould
Intend real stratum；
(3) in the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, tune is passed through
The pressure of whole compression pump can realize that the pressure control under simulation Different Strata pressure condition discharges water, have wide range of applications；
(4) in the experimental provision that the simulation filtrational resistance of the utility model influences drainage procedure strata pressure, each pressure
Table is capable of the nearly well of effectively measuring simulation and remote well area strata pressure, the experimental provision can simulate probe into strata pressure with
The variation relation of displacement, and verify strata pressure with accumulative displacement it is interim steady it is constant whether be since near wellbore zone is pressed
After power reduces, distant place water source is broken through filtrational resistance and is supplemented near wellbore zone；
(5) experiment of the experimental provision influenced using the simulation filtrational resistance of the utility model on drainage procedure strata pressure
Method with the changing rule of accumulative displacement, can instruct live pressure control to discharge water the suitable of operation by analog study strata pressure well
Profit carries out, and is with a wide range of applications.
The above descriptions are merely exemplary embodiments of the present utility model, is not limited to the model of the utility model
It encloses.Any those skilled in the art, the made equivalent change on the premise of the design of the utility model and principle is not departed from
Change and change, the scope of the utility model protection should all be belonged to.
Claims (8)
1. a kind of experimental provision simulated filtrational resistance and influenced on drainage procedure strata pressure, which is characterized in that the simulation is oozed
Flow resistance power includes the experimental provision that drainage procedure strata pressure influences the experiment housing that top can be open and can seal, described
Slip and the fixed sealing clamp of energy can be sealed against along the madial wall of the experiment housing by being provided in experiment housing, described
The back-up sand area of sealing is formed between the bottom of sealing clamp and the experiment housing, the bottom outside of the experiment housing is provided with
The pressure gauge group connected with the back-up sand area, the interior space above the sealing clamp of experiment housing can pass through pressurization
Pipeline is connected with compression pump, and the exit of the compression pump is provided with moulding pressure table, and the experiment housing is located at the back-up sand
Saturation water pipeline can be communicatively provided on the side wall in area, the entrance of the saturation water pipeline is connected with the compression pump, described
The bottom of experiment housing can communicatively set flowing line, and the inlet of the flowing line sets discharge pressure table, the row
The exit of water pipeline sets flowmeter；The back-up sand area forms near wellbore zone simulation region close to the one side of the flowing line,
One side of the back-up sand area away from the flowing line forms remote well area simulation region.
2. the experimental provision that simulation filtrational resistance influences drainage procedure strata pressure as described in claim 1, feature exist
In the exit of the compression pump sets the first valve, and the exit of the pressurized pipeline sets the second valve, the saturated water
The exit of pipeline sets the 3rd valve, is set on the flowing line between the discharge pressure table and the flowmeter
4th valve.
3. the experimental provision that simulation filtrational resistance influences drainage procedure strata pressure as described in claim 1, feature exist
In being provided on the madial wall of the experiment housing and above the sealing clamp removedly and can be from top to bottom
Contact limits the fixed block of the sealing clamp.
4. the experimental provision that simulation filtrational resistance influences drainage procedure strata pressure as described in claim 1, feature exist
In the experiment housing is rectangle groove body, and the top of the rectangle groove body sets and can dismantle and can seal fixed top plate, institute
It states and forms pressurization space in rectangular channel body between the top plate and the sealing clamp, the pressurized pipeline and the pressurization
Space can communicatively be set.
5. the experimental provision that simulation filtrational resistance influences drainage procedure strata pressure as claimed in claim 2, feature exist
In the entrance of, the saturation water pipeline can communicatively be arranged at described between the moulding pressure table and second valve plus
On pressure pipeline.
6. the experimental provision that simulation filtrational resistance influences drainage procedure strata pressure as described in claim 1, feature exist
In the pressure gauge group includes the spaced multiple pressure gauges of length direction along the experiment housing.
7. the experimental provision that simulation filtrational resistance influences drainage procedure strata pressure as claimed in claim 6, feature exist
In the multiple pressure gauge is connected to by thread seal on the experiment housing.
8. the experimental provision that simulation filtrational resistance influences drainage procedure strata pressure as described in claim 1, feature exist
In the pressurized pipeline, the saturation water pipeline and the flowing line are connected to by thread seal on the experiment housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219767.9U CN207393191U (en) | 2017-09-21 | 2017-09-21 | The experimental provision that simulation filtrational resistance influences drainage procedure strata pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219767.9U CN207393191U (en) | 2017-09-21 | 2017-09-21 | The experimental provision that simulation filtrational resistance influences drainage procedure strata pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393191U true CN207393191U (en) | 2018-05-22 |
Family
ID=62404851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721219767.9U Withdrawn - After Issue CN207393191U (en) | 2017-09-21 | 2017-09-21 | The experimental provision that simulation filtrational resistance influences drainage procedure strata pressure |
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| Country | Link |
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| CN (1) | CN207393191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542456A (en) * | 2017-09-21 | 2018-01-05 | 中国石油大学(北京) | The experimental provision and method that simulation filtrational resistance influences on drainage procedure strata pressure |
| CN110596340A (en) * | 2019-09-24 | 2019-12-20 | 中联煤层气有限责任公司 | Simulation system and method for interference mechanism of coal bed gas-dense gas combined production reservoir |
-
2017
- 2017-09-21 CN CN201721219767.9U patent/CN207393191U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542456A (en) * | 2017-09-21 | 2018-01-05 | 中国石油大学(北京) | The experimental provision and method that simulation filtrational resistance influences on drainage procedure strata pressure |
| CN110596340A (en) * | 2019-09-24 | 2019-12-20 | 中联煤层气有限责任公司 | Simulation system and method for interference mechanism of coal bed gas-dense gas combined production reservoir |
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