CN206330962U - Core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect - Google Patents
Core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect Download PDFInfo
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- CN206330962U CN206330962U CN201621466933.0U CN201621466933U CN206330962U CN 206330962 U CN206330962 U CN 206330962U CN 201621466933 U CN201621466933 U CN 201621466933U CN 206330962 U CN206330962 U CN 206330962U
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- tank body
- slippery water
- chamber
- rock core
- shale gas
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Abstract
The utility model is related to the shale gas desorption aptitude tests structure under slippery water effect in petroleum industry room, and core chamber is used in specifically a kind of lower shale gas desorption aptitude tests experiment of slippery water effect, wherein：The lid closed including tank body, by the inner chamber of tank body, it is fixed on the rock core cup of the intracavity bottom of tank body, the external diameter of rock core cup is matched with the internal diameter of the inner chamber of tank body, the top port of the rock core cup is less than the top port of tank body, inflatable chamber is formed between the top port of rock core cup and the top port of tank body, the inner chamber of rock core cup is slate flour filled cavity；The temperature sensor being fixed on tank wall is connected with inflatable chamber or slate flour filled cavity；Gas outlet through the appendix of lid is located in inflatable chamber, and the outlet end that the slippery water ascending pipe that pressure sensor sequentially passes through tank body base plate and rock core cup base plate is provided with the appendix is located in slate flour filled cavity.
Description
Technical field
The utility model is related to the shale gas desorption aptitude tests structure under slippery water effect in petroleum industry room, especially
It is a kind of simple in construction, raising experimental precision and the lower shale gas desorption aptitude tests reality of the slippery water effect for shortening experimental period
Test and use core chamber.
Background technology
Slippery water is one kind by clear water and various additives【Additive is friction reducer, surfactant, bactericide, acid etc.
Composition】The pressure break body fluid of composition；Its reclaimed water of the total volume 99%, and additive component directly decides the performance of fracturing fluid.
Slippery water fracturing fluid is that most fracturing fluid technologies is applied in current U.S.'s shale gas development operation, not only makes pressure break
The relatively large hydraulic fracturing of expense reduces 65%, and shale gas ultimate recovery is improved 20%.Slippery water pressure break is primarily adapted for use in
The stratum that water sensitivity is small, reservoir intrinsic fracture is higher compared with development, fragility.It is low compared to conventional its frictional resistance of frozen glue pressure break, can be in height
Largely it is pumped under discharge capacity, forms deeper, increasingly complex fracture network, obtains bigger transformation reservoir volume, fracturing effect is more
It is good；Residue is few, small to reservoir damage；The easy row of returning, easily reclaims, and environmental pollution is small；Low cost.
However, also still having several drawbacks at present, it would be highly desirable to solve, such as：Cause prop-carrying capacity poor because viscosity is relatively low；
The seam net narrower width formed during pressure break；It is required that infusion discharge capacity is high；Efficiency is low, consumption is big etc..In actual applications, should be according to pressure
The reservoir characteristics and experiment for splitting construction determine the formula of slippery water fracturing fluid.When selecting fracturing fluid additive, pump is considered
The factor such as speed and pressure, clay content, siliceous and organic matter chip generation potentiality, microbial activities and fracturing fluid recovery (backflow).
The lower shale gas desorption aptitude tests structure core chamber of slippery water effect of prior art, due to self structure office
Limit, the technical problem existed is：Test period length and the test data precision obtained are low.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, raising experimental precision and the slippery water for shortening experimental period
Core chamber is used in the lower shale gas desorption aptitude tests experiment of effect.
The technical scheme used to achieve the above object is such, i.e., a kind of lower shale gas desorption of slippery water effect
Core chamber is used in aptitude tests experiment, wherein：The lid closed including tank body, by the inner chamber of tank body, positioned at the intracavity bottom of tank body
Rock core cup, the external diameter of the rock core cup match with the internal diameter of the inner chamber of tank body, and the top port of rock core cup is less than tank body
Top port, is formed with inflatable chamber, the inner chamber of rock core cup is shale between the top port of rock core cup and the top port of tank body
Powder filled cavity；The temperature sensor being fixed on tank wall is connected with inflatable chamber or slate flour filled cavity；
Gas outlet through the appendix of lid is located in inflatable chamber, and pressure sensor is provided with the appendix；
The outlet end for sequentially passing through the slippery water ascending pipe of tank body base plate and rock core cup base plate is located at slate flour filled cavity
In；
It is drain pipe section, the top of drain pipe section that the slippery water ascending pipe, which is located at the pipeline section in slate flour filled cavity,
Port has seal plug, is evenly equipped with fluid hole in drain pipe section or goes out liquid crack.
The utility model is this have the advantage that due to said structure：It is simple in construction, improve experimental precision and shorten
Experimental period.
Brief description of the drawings
The nonlimiting examples that the utility model can be provided by accompanying drawing are further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the another embodiment of the utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
Referring to attached Fig. 1 and 2, core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect in figure, wherein：
The lid 2 closed including tank body 1, by the inner chamber of tank body 1, outside the rock core cup 3 of the intracavity bottom of tank body 1, rock core cup 3
Footpath is matched with the internal diameter of the inner chamber of tank body 1, and the top port of the rock core cup 3 is less than the top port of tank body 1, rock core cup 3
Inflatable chamber 4 is formed between top port and the top port of tank body 1, the inner chamber of rock core cup 3 is slate flour filled cavity 5；Gu
The temperature sensor 6 being scheduled on the outer wall of tank body 1 is connected with inflatable chamber 4 or slate flour filled cavity 5；
Gas outlet through the appendix 7 of lid 2 is located in inflatable chamber 4, and pressure sensor 8 is provided with the appendix 7；
The outlet end for sequentially passing through the slippery water ascending pipe 9 of the base plate of tank body 1 and rock core 3 base plates of cup is filled positioned at slate flour
In chamber 5；
It is drain pipe section 16, drain pipe section 16 that the slippery water ascending pipe 9, which is located at the pipeline section in slate flour filled cavity 5,
Top port there is seal plug 17, be evenly equipped with fluid hole 14 in drain pipe section 16 or go out liquid crack.In this embodiment,
The pressure of gas is monitored by pressure sensor 8 in real time, and the data feedback of monitoring gives slippery water effect lower shale gas desorption ability
The experimental temperature of slate flour 15 in the switch board of test experiments instrument, core chamber is monitored by temperature sensor 6, the number of monitoring
According to the switch board for feeding back to the lower shale gas desorption aptitude tests laboratory apparatus of slippery water effect；Obtained test data precision
Height, it is simple in construction, with two chambers, it can be suitably used for different experiments data needs.
To ensure that drain pipe section 16 is not blocked by slate flour, in above-described embodiment, preferably：The drain pipe section 16
Gauze is fixed with inwall, the aperture of the mesh of the gauze is less than the hole for being filled in slate flour 15 in slate flour filled cavity 5
Footpath.
To ensure that drain pipe section 16 is not blocked by slate flour, in above-described embodiment, preferably：The seal plug 17
Outer has extension 18, and the extension 18 is integrally formed counnter attack with seal plug 17 and fills cap, and the counnter attack, which fills cap, to be used to prevent page
Rock dust end is from fluid hole 14 or goes out counter at liquid crack fill into slippery water ascending pipe 9.
For ease of effective control to experimental gas, in above-described embodiment, preferably：Control is provided with the appendix 7
Valve 10 processed.
To ensure in sealing, above-described embodiment, preferably：The appendix 7 is provided with sealing ring I 11 with lid 2.Institute
State temperature sensor 6 and the side wall of tank body 1 and be provided with sealing ring II 12, or the side wall of tank body 1 and rock core 3 side walls of cup it is integrally formed
Sealing ring II 12 is provided between wall body and temperature sensor 6.The integrally formed plate of 3 base plates of the base plate of tank body 1 and the rock core cup
Sealing ring III 13 is provided between body and slippery water ascending pipe 9.
Obviously, above-mentioned all embodiments are a part of embodiments of the present utility model, rather than whole embodiments.It is based on
Embodiment described in the utility model, it is all other that those skilled in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the category of the utility model protection.
In summary, it is simple in construction, improve experimental precision and shorten experimental period due to said structure.
Claims (7)
1. core chamber is used in a kind of lower shale gas desorption aptitude tests experiment of slippery water effect, it is characterised in that：Including tank body
（1）, by tank body（1）Inner chamber closing lid（2）, positioned at tank body（1）Intracavity bottom rock core cup（3）, rock core cup（3）
External diameter and tank body（1）Inner chamber internal diameter matching, rock core cup（3）Top port be less than tank body（1）Top port,
Rock core cup（3）Top port and tank body（1）Top port between be formed with inflatable chamber（4）, rock core cup（3）Inner chamber be page
Rock dust end filled cavity（5）；It is fixed on tank body（1）Temperature sensor on outer wall（6）With inflatable chamber（4）Or slate flour filled cavity
（5）Connection；
Through lid（2）Appendix（7）Gas outlet be located at inflatable chamber（4）In, the appendix（7）On be provided with pressure sensing
Device（8）
Sequentially pass through tank body（1）Base plate and rock core cup（3）The slippery water ascending pipe of base plate（9）Outlet end filled out positioned at slate flour
Fill chamber（5）In；
The slippery water ascending pipe（9）Positioned at slate flour filled cavity（5）In pipeline section for drain pipe section（16）, drain pipe section
（16）Top port there is seal plug（17）, in drain pipe section（16）On be evenly equipped with fluid hole（14）Or go out liquid crack.
2. core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect according to claim 1, its feature
It is：The drain pipe section（16）Inwall on be fixed with gauze, the aperture of the mesh of the gauze, which is less than, is filled in slate flour
Filled cavity（5）Middle slate flour（15）Aperture.
3. core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect according to claim 1, its feature
It is：The seal plug（17）Outer there is extension（18）, the extension（18）With seal plug（17）It is integrally formed
Counnter attack fills cap, and the counnter attack, which fills cap, to be used to prevent slate flour from fluid hole（14）Or go out counter at liquid crack fill into slippery water injection
Pipe（9）In.
4. core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect according to claim 1, its feature
It is：The appendix（7）On be provided with control valve（10）.
5. core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect according to claim 1 or 4, it is special
Levy and be：The appendix（7）With lid（2）It is provided with sealing ring I（11）.
6. core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect according to claim 1, its feature
It is：The temperature sensor（6）With tank body（1）Side wall is provided with sealing ring II（12）, or tank body（1）Side wall and rock core cup
（3）Side wall integrally formed wall body and temperature sensor（6）Between be provided with sealing ring II（12）.
7. core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect according to claim 1, its feature
It is：The tank body（1）Base plate and rock core cup（3）The integrally formed plate body of base plate and slippery water ascending pipe（9）Between be provided with
Sealing ring III（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466933.0U CN206330962U (en) | 2016-12-29 | 2016-12-29 | Core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466933.0U CN206330962U (en) | 2016-12-29 | 2016-12-29 | Core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206330962U true CN206330962U (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621466933.0U Expired - Fee Related CN206330962U (en) | 2016-12-29 | 2016-12-29 | Core chamber is used in the lower shale gas desorption aptitude tests experiment of slippery water effect |
Country Status (1)
| Country | Link |
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| CN (1) | CN206330962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297771A (en) * | 2018-10-31 | 2019-02-01 | 重庆大学 | Shale gas fast desorption test device |
| CN109751037A (en) * | 2017-11-01 | 2019-05-14 | 中国石油化工股份有限公司 | A kind of normal pressure shale gas reservoir high frequency change displacement volume fracturing process |
-
2016
- 2016-12-29 CN CN201621466933.0U patent/CN206330962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751037A (en) * | 2017-11-01 | 2019-05-14 | 中国石油化工股份有限公司 | A kind of normal pressure shale gas reservoir high frequency change displacement volume fracturing process |
| CN109297771A (en) * | 2018-10-31 | 2019-02-01 | 重庆大学 | Shale gas fast desorption test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20171229 |