CN206174937U - Interlayer interference analogue means is adopted altogether to three gas in coal seam - Google Patents
Interlayer interference analogue means is adopted altogether to three gas in coal seam Download PDFInfo
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- CN206174937U CN206174937U CN201621224677.4U CN201621224677U CN206174937U CN 206174937 U CN206174937 U CN 206174937U CN 201621224677 U CN201621224677 U CN 201621224677U CN 206174937 U CN206174937 U CN 206174937U
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- gas
- rock core
- interlayer interference
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- coal seam
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Abstract
The utility model relates to an interlayer interference analogue means during three gas in the coal seam are adopted altogether. The problem of three present gas adopt the technique that interlayer interference lacks corresponding analogue means altogether is solved. The utility model discloses a fluid flows into the system, and the rock core adds the system of holding, outside temperature control system and fluid outflow measurement system. The utility model discloses can solve following problem: 1 )Simulate three gas and adopt the different pressure reservoir pressure dynamic change of in -process altogether, 2 )Study the poor influence to coal seam air feed ability of different permeabilities, when obtaining the interlayer interference parameter, owing to add the gas -liquid separation that has held system's exit direct mount at the coal petrography heart, the treatment effeciency is high, labour saving and time saving.
Description
Technical field
This utility model is related to the interlayer interference analog during a kind of gas of coal seam three is adopted altogether, including fluid flows into system
System, pours water gentle to ature of coal rock core, and to compact rock core and shale core water is filled with, and rock core accommodates system, external temperature control
System, this utility model can solve following several respects technical problem：1）Simulate different pressures reservoir pressure during three gas are adopted altogether
Power dynamic change；2）Impact of the different permeability differences of research to coal seam gas supply capacity.
Background technology
With the fast development of coal gas industry, China's cbm development just gradually to deep develop, by former buried depth
800 m are with shallow gradually 1000m with depth.Coal seam buried depth increases, although increase the difficulty of cbm development, but more favourable
Preservation condition is also shale gas, Tight Sandstone Reservoir Formation provides more favorable condition, by " three gas " comprehensive exploitation, is shared
Facility, can greatly reduce cost, increase the benefit and resource recovery ratio, in recent years, in Eastern Margin of Ordos Basin emerging, god be faced
The blocks such as mansion, Hengshan Mountain Bao Nan carry out coal bed gas, compact sandstone gas to be reconnoitred and achieves preferably progress, and multiple wells are in coal seam-sandstone
High yield is obtained after interval pressure break gas testing, the coal that haves three layers, coal are distributed between U.S. Wyoming State Feng He basins, the m of buried depth 1000 ~ 2000
Interlamellar spacing about 100m or so, partial pressure is carried out rich in coal bed gas-sandstone reservoir section row is closed, and tens of coal seams to up to a hundred meters of thickness-
Sandstone is employed simultaneously, and 20 mouthfuls of straight well individual well dailys output reach several ten thousand steres, more than up to 20 ten thousand steres.
Exploitation currently for the gas of coal seam three is in exploratory stage, Zhou Hao etc. and thinks that three gas are adopted altogether with feasibility, beam
Ice et al. is analyzed the probability that three gas are adopted altogether, and points out to exploit the problem for needing to solve, wherein just there is interlayer interference
Problem.Coal measures gas is adopted adopted altogether different from coal bed gas or compact sandstone gas multilamellar altogether, and reservoir properties difference becomes apparent from, and interlayer is done
Disturb more greatly, this causes coal measures " three gas " to adopt difficulty increasing altogether, and for the research that three gas adopt altogether interlayer interference does not almost have, at present
For the experimentation that three gas adopt altogether interlayer interference is more a lack of.
The content of the invention
This utility model adopts altogether interlayer interference and lacks research for current three gas, it is proposed that can altogether adopt interlayer interference to three gas
The gas of one kind three for carrying out effective research adopts altogether interlayer interference analog.
The technical solution of the utility model is as follows：A kind of gas of coal seam three adopts altogether interlayer interference analog, including three rocks
The heart accommodate system and with for control rock core accommodate system ambient temperature external temperature control system；One of rock core adds
System is held as coal petrography heart grasping system, another two accommodates system respectively as shale core and compact rock core accommodates system；Often
Individual rock core accommodates the entrance point of system and is respectively connected with first gas tank by air inlet pipeline, is serially connected with each air inlet pipeline
First control valve, pressure gauge and booster pump；As coal petrography heart grasping system rock core accommodate system entrance point also pass through into
Water lines are connected with first water tank, and the first control valve, booster pump and WG are also serially connected with the inlet pipeline；As
The rock core of coal petrography heart grasping system accommodates system outlet end and has been sequentially connected with the second control valve and gas-liquid separation device, gas-liquid separation
The water outlet port of device has been sequentially connected with fluid flowmeter and the second water tank by outlet pipeline；Remaining rock core accommodates going out for system
Mouth end is respectively connected with one second control valve, and two second control valves are connected with the second gas commonly through a gas flowmeter
Tank；The outlet side of gas-liquid separation device is connected also by gas flowmeter with the second gas tank.
By corrosion-resistant pipeline, the water in the gas and first case in the first gas tank is controlled into valve through first, by booster pump
Pump into the coal petrography heart and accommodate system, the gas in the first gas tank is controlled into valve through first, compact rock core and shale are pumped into by booster pump
Rock core grasping system, by corrosion-resistant pipeline, the gentle second control valve that first passes through of water in the outlet of coal petrography heart grasping system flows out,
Then through gas-liquid separation device, fluid flowmeter is first coupled to by pipeline, liquid is connected to by the second water tank by pipeline；It is logical
Cross pipeline to be connected with the pipeline at shale core blessing system and compact rock core blessing system outlet, incoming gas flow gauge,
The second gas tank is connected to finally by pipeline, due to only accommodating system outlet in coal seam rock core gas-liquid separation device has been connected, and not
It is, in general export's connection, to alleviate the pressure of gas-liquid separator, it is time saving and energy saving.
Further, the rock core accommodate system include sample room, the sample seal rubber sleeve being coated on outside sample room with
And the confined pressure system being coated on outside sample seal rubber sleeve.
Three kinds of rock cores are put into into rock core and accommodate system, accommodated system and be located in confined pressure system, be then placed in temperature control system
System, so can be used to the temperature, pressure of simulated formation.For the coal petrography heart, the first gas tank and the first water tank pass through anticorrosion
Pipeline, also has water and pressure gauge to be connected to coal petrography heart clamp holder through the first control valve, and WG and pressure gauge are used for
Pressure is adjusted, the coal petrography heart accommodates system outlet connection second and controls valve, so alleviates processor burden, improves process effect
Rate, it is time saving and energy saving, then connect gas-liquid separation device, at one of gas-liquid separation device（Outlet）Connection fluid flowmeter,
Then the second water tank is connected, to fill water；The other end of gas-liquid separation device（Gas outlet）Connection accommodates system from shale core
System pipeline out is accommodated with compact rock core, three pipelines are joined and are followed by gas flowmeter, are finally connected to the second gas tank use
To fill gas.By confined pressure system and temperature control system come simulated formation pressure and temperature, gas tank and water tank by each the
One control valve and piezometer are controlled to rock core system supply and water, when rock core reaches formation condition, open rock core system outlet
The second control valve at place, measures the gentle pressure of the gentle flow of water, rock core system pressure, water.
This utility model can solve problems with：1）Simulate different pressures reservoir pressure dynamic during three gas are adopted altogether to become
Change；2）Impact of the different permeability differences of research to coal seam gas supply capacity；
While interlayer interference parameter is obtained, be mounted directly gas-liquid separation at system outlet due to accommodating in the coal petrography heart
Device, treatment effeciency is high, time saving and energy saving.
Description of the drawings
Fig. 1 this utility model structural representations.
The structural representation of Fig. 2 external temperature control systems described in the utility model.
The gas tanks of 1- first, the water tanks of 2- first, the control valves of 3- first, 4- booster pumps, 5- pressure gauges, 6- WGs, 7-
Sample room, 8- sample seal rubber sleeves, 9- confined pressure systems, 10- gas-liquid separation devices, 11- fluid flowmeters, 12- gas flowmeters,
13- water-baths are switched, 14- temperature control valve (TCV)s, 15- temperature indicators, 16- sidepiece additional bodies, and 17- rock cores accommodate support, 18- the
Two control valves, the gas tanks of 19- second, the water tanks of 20- second.
Specific embodiment
This utility model includes that fluid flows into system, and rock core accommodates system, and external temperature control system and fluid flow out meter
Amount system.
Wherein, fluid flows into system and includes：First gas tank 1, the first water tank 2, the first control valve 3, booster pump 4, atmospheric pressure
Meter 5, WG 6；Rock core accommodates system to be included：Sample room 7, sample seal rubber sleeve 8, confined pressure system 9.
The external temperature control system is square structure of container, and chamber wall is provided with water-bath switch 13, temperature control valve (TCV)
14th, temperature indicator 15, sidepiece additional body 16；It is provided with inside container for fixing the rock core blessing support that rock core accommodates system
17；Water-bath switch 13 controls water bath device, and water bath device is used to simulate subsurface temperature condition；Fluid flows out metering system to be included：
First control valve 3, gas-liquid separation device 10, fluid flowmeter 11, gas flowmeter 12, the second gas tank 19, the second water tank 20.
Claims (3)
1. a kind of gas of coal seam three adopts altogether interlayer interference analog, it is characterised in that accommodate system and use including three rock cores
The external temperature control system of system ambient temperature is accommodated in control rock core；One of rock core accommodates system and presss from both sides as the coal petrography heart
System is held, another two accommodates system respectively as shale core and compact rock core accommodates system；Each rock core accommodates entering for system
Mouth end is respectively connected with first gas tank by air inlet pipeline（1）, the first control valve is serially connected with each air inlet pipeline（3）、
Pressure gauge（5）And booster pump（4）；As the rock core of the coal petrography heart grasping system entrance point of system is accommodated also by inlet pipeline
It is connected with first water tank（2）, the first control valve is also serially connected with the inlet pipeline（3）, booster pump（4）And WG
（6）；The second control valve has been sequentially connected with as the rock core blessing system outlet end of coal petrography heart grasping system（18）And gas-liquid separation
Device（10）, gas-liquid separation device（10）Water outlet port fluid flowmeter has been sequentially connected with by outlet pipeline（11）With second
Water tank（20）；Remaining rock core accommodates the port of export of system and is respectively connected with one second control valve（18）, two second control valves
（18）Commonly through a gas flowmeter（12）It is connected with the second gas tank（19）；Gas-liquid separation device（10）Outlet side also lead to
Cross gas flowmeter（12）With the second gas tank（19）It is connected.
2. a kind of coal seam three as claimed in claim 1 gas adopts altogether interlayer interference analog, it is characterised in that the rock core adds
System is held including sample room（7）, be coated on sample room（7）Outside sample seal rubber sleeve（8）And it is coated on sample fluid sealant
Set（8）Outside confined pressure system（9）.
3. a kind of coal seam three as claimed in claim 1 or 2 gas adopts altogether interlayer interference analog, it is characterised in that described outer
Portion's temperature control system is square structure of container, and chamber wall is provided with water-bath switch（13）, temperature control valve (TCV)（14）, temperature shows
Device（15）, sidepiece additional body（16）；It is provided with inside container for fixing the rock core blessing support that rock core accommodates system（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224677.4U CN206174937U (en) | 2016-11-15 | 2016-11-15 | Interlayer interference analogue means is adopted altogether to three gas in coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224677.4U CN206174937U (en) | 2016-11-15 | 2016-11-15 | Interlayer interference analogue means is adopted altogether to three gas in coal seam |
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| Publication Number | Publication Date |
|---|---|
| CN206174937U true CN206174937U (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621224677.4U Expired - Fee Related CN206174937U (en) | 2016-11-15 | 2016-11-15 | Interlayer interference analogue means is adopted altogether to three gas in coal seam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505979A (en) * | 2018-03-14 | 2018-09-07 | 中国石油化工股份有限公司 | A kind of natural gas pool commingling production physical simulation system |
| CN108798655A (en) * | 2018-05-23 | 2018-11-13 | 成都理工大学 | Experimental provision is adopted in a kind of three gas conjunction of coal bed gas loss |
| CN111693429A (en) * | 2020-02-20 | 2020-09-22 | 南通华兴石油仪器有限公司 | Fluid positive and negative displacement device and using method thereof |
| CN111997599A (en) * | 2020-09-15 | 2020-11-27 | 辽宁工程技术大学 | Unconventional natural gas three-gas co-production pressure fracture network expansion physical simulation device and method |
| CN112002206A (en) * | 2020-08-24 | 2020-11-27 | 中国石油化工股份有限公司 | Shale gas reservoir failure mining experimental method and device |
-
2016
- 2016-11-15 CN CN201621224677.4U patent/CN206174937U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505979A (en) * | 2018-03-14 | 2018-09-07 | 中国石油化工股份有限公司 | A kind of natural gas pool commingling production physical simulation system |
| CN108798655A (en) * | 2018-05-23 | 2018-11-13 | 成都理工大学 | Experimental provision is adopted in a kind of three gas conjunction of coal bed gas loss |
| CN108798655B (en) * | 2018-05-23 | 2021-08-31 | 成都理工大学 | Three-gas combined mining experimental device for coal bed gas loss |
| CN111693429A (en) * | 2020-02-20 | 2020-09-22 | 南通华兴石油仪器有限公司 | Fluid positive and negative displacement device and using method thereof |
| CN112002206A (en) * | 2020-08-24 | 2020-11-27 | 中国石油化工股份有限公司 | Shale gas reservoir failure mining experimental method and device |
| CN111997599A (en) * | 2020-09-15 | 2020-11-27 | 辽宁工程技术大学 | Unconventional natural gas three-gas co-production pressure fracture network expansion physical simulation device and method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20171115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |