CN105910954A - Shale gas content measuring instrument - Google Patents
Shale gas content measuring instrument Download PDFInfo
- Publication number
- CN105910954A CN105910954A CN201610260577.5A CN201610260577A CN105910954A CN 105910954 A CN105910954 A CN 105910954A CN 201610260577 A CN201610260577 A CN 201610260577A CN 105910954 A CN105910954 A CN 105910954A
- Authority
- CN
- China
- Prior art keywords
- gas
- shale
- gas collecting
- instrument
- gas content
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/14—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
- G01N7/16—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by heating the material
Abstract
The invention relates to a shale gas content measuring instrument, and belongs to the technical field of shale gas. The shale gas content measuring instrument includes a desorption device, a constant temperature box, a gas collecting device and a mobile vehicle; the desorption device, the constant temperature box and the gas collecting device are all arranged on the mobile vehicle; the desorption device includes a desorption tank and a rotating motor; the two axial ends of the desorption tank are respectively provided with a supporting rod and an exhaust pipe; the supporting rod is connected with the rotating motor; a desorption tank body is provided with a feed inlet; the feed inlet is provided with a sealing cover; the desorption tank is arranged in the constant temperature box; the top of the constant temperature box is provided with a mobile cover; the constant temperature box is provided with a control device and a box door; the gas collecting device comprises a constant temperature bath, a gas collecting cylinder and a gas guide pipe; the gas collecting cylinder is buckled in the constant temperature bath in an inverted manner; one end of the gas guide pipe communicates with the exhaust pipe, and the other end of the gas guide pipe is arranged in the gas collecting cylinder. The shale gas content measuring instrument has the advantages of simple operation and high measuring accuracy, and measurement of desorbed gas and residual gas can be continuously completed in one set of device; and the measuring efficiency is high, and the equipment maneuverability is high.
Description
Technical field
The invention belongs to shale gas technical field, particularly to a kind of shale instrument for measuring gas content.
Background technology
Shale air content is to calculate the key parameter of shale original place tolerance, to shale gassiness evaluation, the pre-measuring tool of resource reserve
In shale per ton, contained natural gas is under standard state (0 DEG C, 101.325KPa) to have important meaning, shale air content to refer to
Volume, according to occurrence status, shale gas is made up of adsorbed gas, free gas and solution gas part, and adsorbed gas refers to adsorb dry
Junket root and the natural gas on clay particle surface, its content by factor controllings such as organic carbon content, pressure, maturity, temperature,
Free gas refers to the natural gas being free in intrinsic fracture and intergranular pore, its content mainly by strata pressure, porosity, contain
The factor controlling such as gas saturation, temperature, solution gas proportion in shale air content is constituted is the most small, is calculating gassiness
Being negligible during amount, the test of shale air content is shale evaluating reservoir, the preferred important experiment in Favorable Areas, method of testing
Having desorption method, isothermal adsorption method, well log interpretation method etc., wherein desorption method is the direct method of shale air content test, is also
Most common method, isothermal adsorption method and well log interpretation method are the indirect methods of shale air content test.
Being also required to measure residual gas simultaneously for shale, shale residual volume refers to that sample is solving after desorption terminates in cucurbitula still
Staying the gas volume in rock core, residual gas measurement has crush method, diagrammatic representation and three kinds of methods of ball-milling method.
After existing shale instrument for measuring gas content the most first measures stripping gas, then through ball milling or broken after, by broken
Sample places into measures residual gas in equipment, but the method there is problems in that
1, efficiency is measured low, complex operation, need multiple equipment；
2, in ball milling and shattering process, the residual gas of part may be had to have volatilized, cause measurement result inaccurate.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides a kind of shale instrument for measuring gas content, operation letter
Single, certainty of measurement is high, can complete the measurement of stripping gas and residual gas by continuous print, measure efficiency high, equipment in a set of equipment
Mobility is high.
The technical solution adopted in the present invention is:
A kind of shale instrument for measuring gas content, it includes desorption apparatus, insulating box, gas collecting apparatus and locomotive, desorption apparatus, constant temperature
Case, gas collecting apparatus are arranged on locomotive, and described desorption apparatus includes solving cucurbitula and rotary electric machine, and described solution cucurbitula is axial
Two ends are respectively arranged with support bar and blast pipe, and described support bar is connected with rotary electric machine, and described desorption tank is provided with
Charge door, described charge door is provided with sealing lid, and described solution cucurbitula is arranged in insulating box, and described insulating box top is arranged
Having removable cover, insulating box is provided with control device and chamber door, described gas collecting apparatus includes thermostatic bath, gas collecting jar with ground-on cover plate and bleed
Pipe, gas collecting jar with ground-on cover plate tips upside down in thermostatic bath, and air entraining pipe one end connects with blast pipe, and the air entraining pipe other end is arranged in gas collecting jar with ground-on cover plate.
Universal wheel and pushing hands it is provided with on described locomotive.
Described solution cucurbitula is cylinder-like structure, solves cucurbitula and is placed on sidewards in insulating box, and support bar and blast pipe both pass through perseverance
Incubator, blast pipe connects with solving cucurbitula.
Described rotary electric machine is variable-frequency motor, and rotary electric machine is provided with controller, controller is provided with frequency modulation control and
Time controls.
Described sealing covers and is provided with sealing ring, and described sealing lid is connected by fixing bolt is fixing with solution cucurbitula.
It is provided with temperature on described control device to control and time control.
It is provided with radiator valve on described thermostatic bath.
Being provided with graduation mark on described gas collecting jar with ground-on cover plate, gas collecting jar with ground-on cover plate end is provided with valve.
The invention have the benefit that
1, simple to operate, when needing the measurement carrying out stripping gas, removable cover and sealing lid are opened, material is put into, then
Opening the control device of insulating box, can realize directly perceived measurement by the displacement of volume of gas collecting jar with ground-on cover plate, gas collecting jar with ground-on cover plate end is provided with valve
Door, can be used for collecting stripping gas, when residual gas measured by needs, adds abrading-ball, open motor, can complete to measure.
, certainty of measurement high, in a set of equipment, the measurement of stripping gas and residual gas can be completed by continuous print, measure efficiency high,
It is rotatable state owing to solving cucurbitula, the measurement of stripping gas can be completed in insulating box, abrading-ball can be added again, rotate desorption
Tank completes the measurement of residual gas, simultaneously because solution cucurbitula and gas collecting jar with ground-on cover plate are in temperature constant state, certainty of measurement is high, residual measuring
During residual air, ball milling limit, limit can carry out gas collection, it is to avoid can not collecting of the gas of mechanical milling process volatilization, thus improves measurement
Precision, also improves measurement efficiency.
, equipment mobility high, desorption apparatus, insulating box, gas collecting apparatus are arranged on locomotive, and locomotive is arranged
Having universal wheel and pushing hands, can move whole equipment easily, mobility is high.
Accompanying drawing explanation
Fig. 1 is surface structure schematic diagram of the present invention；
Fig. 2 is the structural representation after the present invention opens chamber door；
Fig. 3 is that the present invention desorbs jar structure schematic diagram.
In figure, 1, desorption apparatus, 2, insulating box, 3, gas collecting apparatus, 4, locomotive, 5, solve cucurbitula, 6, rotate
Motor, 7, support bar, 8, blast pipe, 9, charge door, 10, seal lid, 11, removable cover, 12, control device, 13,
Chamber door, 14, thermostatic bath, 15, gas collecting jar with ground-on cover plate, 16, air entraining pipe, 17, universal wheel, 18, pushing hands, 19, controller,
20, sealing ring, 21, fixing bolt, 22, radiator valve, 23, valve.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete example, a kind of shale instrument for measuring gas content described in the present patent application is described
With explanation in order to the public is better understood from the technology contents of the present invention rather than the restriction to described technology contents,
Under principle that is identical or that approximate, the improvement carrying out described processing step, improves including reaction condition, agents useful for same and replaces
Change, reach identical purpose, the most all within the present patent application technical scheme required for protection.
As shown in Figure 1, 2, 3, a kind of shale instrument for measuring gas content, it includes desorption apparatus 1, insulating box 2, gas collection
Device 3 and locomotive 4, desorption apparatus 1, insulating box 2, gas collecting apparatus 3 be arranged on locomotive 4, described desorption dress
Putting 1 to include solving cucurbitula 5 and rotary electric machine 6, the described axial two ends of solution cucurbitula 5 are respectively arranged with support bar 7 and blast pipe 8,
Described support bar 7 is connected with rotary electric machine 6, described solution cucurbitula 5 tank body is provided with charge door 9, on described charge door 9
Being provided with sealing lid 10, described solution cucurbitula 5 is arranged in insulating box 2, and described insulating box 2 top is provided with removable cover 11,
Being provided with control device 12 and chamber door 13 on insulating box 2, described gas collecting apparatus 3 includes thermostatic bath 14, gas collecting jar with ground-on cover plate 15
With air entraining pipe 16, gas collecting jar with ground-on cover plate 15 tips upside down in thermostatic bath 14, and air entraining pipe 16 one end connects with blast pipe 8, air entraining pipe
16 other ends are arranged in gas collecting jar with ground-on cover plate 15.
Universal wheel 17 and pushing hands 18 it is provided with on described locomotive 4.
Described solution cucurbitula 5 is cylinder-like structure, solves cucurbitula 5 and is placed on sidewards in insulating box 2, support bar 7 and blast pipe
8 both pass through insulating box 2, and blast pipe 8 connects with solving cucurbitula 5.
Described rotary electric machine 6 is variable-frequency motor, rotary electric machine 6 is provided with controller 19, controller 19 is provided with
Frequency modulation control and time control.
Being provided with sealing ring 20 on described sealing lid 10, described sealing lid 10 is solid with solution cucurbitula 5 by fixing bolt 21
Fixed connection.
It is provided with temperature on described control device 12 to control and time control.
It is provided with radiator valve 22 on described thermostatic bath 14.
Being provided with graduation mark on described gas collecting jar with ground-on cover plate 15, gas collecting jar with ground-on cover plate 15 end is provided with valve 23.
The shale instrument for measuring gas content of the present invention is when needs measure stripping gas and residual gas simultaneously, by shale samples and abrading-ball
It is simultaneously introduced in solution cucurbitula 5, then lid top cover labyrinth 10, tightens fixing bolt 21, be then turned on controlling device 12, open
Open radiator valve 22 so that insulating box 2 and thermostatic bath 14 all remain to certain temperature, then start to measure, collection
It is provided with graduation mark on inflator 15, the volume of stripping gas, gas collecting jar with ground-on cover plate 15 end can be measured according to the volume arranging water intuitively
It is provided with valve 23, can be used for collecting stripping gas.When residual gas measured by needs, open rotary electric machine 6, according to required
Parameter regulate controller 19, detect the amount of residual gas equally intuitively also according to the volume arranging water.
Desorption apparatus 1, insulating box 2, gas collecting apparatus 3 are arranged on locomotive 4, locomotive 4 are provided with universal
Wheel 17 and pushing hands 18, can move whole measurement equipment easily.
After measuring, can take off sealing lid 10, then rotate and solve cucurbitula 5, sample and abrading-ball are poured out desorption
Tank, is poured on insulating box 2, then opens chamber door 13, sample and abrading-ball are cleared, be further continued for the detection of next group.
The present invention is not limited to above-mentioned preferred forms, and anyone can draw other various shapes under the enlightenment of the present invention
The product of formula, no matter but in its shape or structure, make any change, every have same as the present application or akin technology
Scheme, within all falling within protection scope of the present invention.
Claims (8)
1. a shale instrument for measuring gas content, it is characterised in that: include desorption apparatus (1), insulating box (2), gas collecting apparatus (3)
With locomotive (4), desorption apparatus (1), insulating box (2), gas collecting apparatus (3) be arranged on locomotive (4), institute
Stating desorption apparatus (1) to include solving cucurbitula (5) and rotary electric machine (6), described solution cucurbitula (5) is axially respectively provided with at two ends
Having support bar (7) and blast pipe (8), described support bar (7) is connected with rotary electric machine (6), described solution cucurbitula (5)
Being provided with charge door (9) on tank body, described charge door (9) is provided with sealing lid (10), described solution cucurbitula (5) sets
Putting in insulating box (2), described insulating box (2) top is provided with removable cover (11), and insulating box is provided with control on (2)
Device processed (12) and chamber door (13), described gas collecting apparatus (3) includes thermostatic bath (14), gas collecting jar with ground-on cover plate (15) and draws
Tracheae (16), gas collecting jar with ground-on cover plate (15) tips upside down in thermostatic bath (14), and air entraining pipe (16) one end is with blast pipe (8) even
Logical, air entraining pipe (16) other end is arranged in gas collecting jar with ground-on cover plate (15).
A kind of shale instrument for measuring gas content the most according to claim 1, it is characterised in that: described locomotive (4) is upper to be arranged
There are universal wheel (17) and pushing hands (18).
A kind of shale instrument for measuring gas content the most according to claim 1, it is characterised in that: described solution cucurbitula (5) is cylinder
Shape structure, solves cucurbitula (5) and is placed on sidewards in insulating box (2), and support bar (7) and blast pipe (8) both pass through constant temperature
Case (2), blast pipe (8) connects with solving cucurbitula (5).
A kind of shale instrument for measuring gas content the most according to claim 1, it is characterised in that: described rotary electric machine (6) is for becoming
Frequently motor, rotary electric machine (6) is provided with controller (19), and controller (19) is provided with frequency modulation control and time control
System.
A kind of shale instrument for measuring gas content the most according to claim 1, it is characterised in that: the described lid (10) that seals above is arranged
Sealing ring (20), the described lid (10) that seals is had to be connected by fixing bolt (21) and solution cucurbitula (5) are fixing.
A kind of shale instrument for measuring gas content the most according to claim 1, it is characterised in that: set on described control device (12)
It is equipped with temperature to control and time control.
A kind of shale instrument for measuring gas content the most according to claim 1, it is characterised in that: described thermostatic bath sets on (14)
It is equipped with radiator valve (22).
A kind of shale instrument for measuring gas content the most according to claim 1, it is characterised in that: described gas collecting jar with ground-on cover plate (15) is upper to be arranged
Graduation mark, gas collecting jar with ground-on cover plate (15) end is had to be provided with valve (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610260577.5A CN105910954A (en) | 2016-04-25 | 2016-04-25 | Shale gas content measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610260577.5A CN105910954A (en) | 2016-04-25 | 2016-04-25 | Shale gas content measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105910954A true CN105910954A (en) | 2016-08-31 |
Family
ID=56752775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610260577.5A Pending CN105910954A (en) | 2016-04-25 | 2016-04-25 | Shale gas content measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910954A (en) |
Cited By (4)
| 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 |
| CN109342264A (en) * | 2018-12-06 | 2019-02-15 | 燕山大学 | A kind of coal bed gas and shale Gas content desorption measuring device and method |
| CN110715879A (en) * | 2019-10-23 | 2020-01-21 | 成都理工大学 | Gas-water distribution-based method for evaluating micro-pore adsorption gas amount of highly-evolved shale reservoir |
| CN112033851A (en) * | 2019-06-03 | 2020-12-04 | 中国石油天然气股份有限公司 | System and method for measuring residual gas volume of hydrocarbon source rock and method for measuring migration gas volume |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6074983A (en) * | 1994-06-17 | 2000-06-13 | Derolf; Mahlon Robert | Method for making spherical adsorbent particles |
| CN101034050A (en) * | 2007-04-06 | 2007-09-12 | 中国石油天然气股份有限公司 | Fast desorption meter for gas content of goal seam |
| CN101900713A (en) * | 2010-05-18 | 2010-12-01 | 中国石油天然气股份有限公司 | Chromatograph on-line analysis method for source rock by closed ball milling, heating analysis and cold trap trapping |
| CN102109428A (en) * | 2010-12-24 | 2011-06-29 | 中国石油天然气股份有限公司 | Portable tester for shale gas and coal bed gas |
| CN201909732U (en) * | 2010-12-24 | 2011-07-27 | 中国石油天然气股份有限公司 | Portable tester of shale gas and coal bed gas |
| CN102706768A (en) * | 2012-06-11 | 2012-10-03 | 煤炭科学研究总院沈阳研究院 | Gas desorption instrument |
| CN202837138U (en) * | 2012-06-06 | 2013-03-27 | 北京中天荣泰科技发展有限公司 | Field gas tester |
| CN103149121A (en) * | 2013-02-07 | 2013-06-12 | 中国石油天然气股份有限公司西南油气田分公司勘探开发研究院 | Unconventional natural gas content automatic measuring apparatus and measuring method thereof |
| CN103196702A (en) * | 2013-04-26 | 2013-07-10 | 中联煤层气国家工程研究中心有限责任公司 | Method for measuring gas content of coal bed through airtight coring |
| CN203422298U (en) * | 2013-04-26 | 2014-02-05 | 中煤科工集团西安研究院 | Residual gas tank |
| CN203745327U (en) * | 2014-03-24 | 2014-07-30 | 哈丁歇尔顿石油工程技术（北京）有限公司 | Device for measuring air content of shale |
| CN104122169A (en) * | 2014-08-08 | 2014-10-29 | 中国地质大学（武汉） | Shale residual gas content testing system |
| CN104677777A (en) * | 2013-11-29 | 2015-06-03 | 中国石油化工股份有限公司 | Testing device for residual gas content of rock and testing method thereof |
| CN104777073A (en) * | 2015-04-22 | 2015-07-15 | 中国石油大学(北京) | Device and method for measuring remnant gas amount |
-
2016
- 2016-04-25 CN CN201610260577.5A patent/CN105910954A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6074983A (en) * | 1994-06-17 | 2000-06-13 | Derolf; Mahlon Robert | Method for making spherical adsorbent particles |
| CN101034050A (en) * | 2007-04-06 | 2007-09-12 | 中国石油天然气股份有限公司 | Fast desorption meter for gas content of goal seam |
| CN101900713A (en) * | 2010-05-18 | 2010-12-01 | 中国石油天然气股份有限公司 | Chromatograph on-line analysis method for source rock by closed ball milling, heating analysis and cold trap trapping |
| CN102109428A (en) * | 2010-12-24 | 2011-06-29 | 中国石油天然气股份有限公司 | Portable tester for shale gas and coal bed gas |
| CN201909732U (en) * | 2010-12-24 | 2011-07-27 | 中国石油天然气股份有限公司 | Portable tester of shale gas and coal bed gas |
| CN202837138U (en) * | 2012-06-06 | 2013-03-27 | 北京中天荣泰科技发展有限公司 | Field gas tester |
| CN102706768A (en) * | 2012-06-11 | 2012-10-03 | 煤炭科学研究总院沈阳研究院 | Gas desorption instrument |
| CN103149121A (en) * | 2013-02-07 | 2013-06-12 | 中国石油天然气股份有限公司西南油气田分公司勘探开发研究院 | Unconventional natural gas content automatic measuring apparatus and measuring method thereof |
| CN103196702A (en) * | 2013-04-26 | 2013-07-10 | 中联煤层气国家工程研究中心有限责任公司 | Method for measuring gas content of coal bed through airtight coring |
| CN203422298U (en) * | 2013-04-26 | 2014-02-05 | 中煤科工集团西安研究院 | Residual gas tank |
| CN104677777A (en) * | 2013-11-29 | 2015-06-03 | 中国石油化工股份有限公司 | Testing device for residual gas content of rock and testing method thereof |
| CN203745327U (en) * | 2014-03-24 | 2014-07-30 | 哈丁歇尔顿石油工程技术（北京）有限公司 | Device for measuring air content of shale |
| CN104122169A (en) * | 2014-08-08 | 2014-10-29 | 中国地质大学（武汉） | Shale residual gas content testing system |
| CN104777073A (en) * | 2015-04-22 | 2015-07-15 | 中国石油大学(北京) | Device and method for measuring remnant gas amount |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国煤炭工业部: "《中华人民共和国煤炭行业标准MT/T 77-94》", 18 March 1994 * |
| 李小彦等: "《中华人民共和国国家标准GB/T 19559-2008》", 29 July 2018 * |
Cited By (5)
| 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 |
| CN109342264A (en) * | 2018-12-06 | 2019-02-15 | 燕山大学 | A kind of coal bed gas and shale Gas content desorption measuring device and method |
| CN112033851A (en) * | 2019-06-03 | 2020-12-04 | 中国石油天然气股份有限公司 | System and method for measuring residual gas volume of hydrocarbon source rock and method for measuring migration gas volume |
| CN110715879A (en) * | 2019-10-23 | 2020-01-21 | 成都理工大学 | Gas-water distribution-based method for evaluating micro-pore adsorption gas amount of highly-evolved shale reservoir |
| CN110715879B (en) * | 2019-10-23 | 2021-03-12 | 成都理工大学 | Gas-water distribution-based method for evaluating micro-pore adsorption gas amount of highly-evolved shale reservoir |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105910954A (en) | Shale gas content measuring instrument | |
| CN102621043A (en) | Device for testing corrosion performance of carbon dioxide injection to coal rocks and detection method | |
| CN103364241A (en) | Remodeling fine grain soil test sample preparation device | |
| CN105259091A (en) | Pressure-bearing broken residual coal permeability evolution and spontaneous combustion characteristic testing device | |
| CN107063834A (en) | The online concentrating instrument of low concentration foul gas and online test method | |
| CN108956836B (en) | Device and method for releasing and extracting hydrocarbon gas in inclusion | |
| CN107192794A (en) | A kind of device of underground coal mine CO sources identification | |
| CN103558117A (en) | Corrosion-resistant multifunctional low-gas-containing bulk sample content desorber | |
| CN113189307A (en) | Portable soil heavy metal content detection device | |
| CN107807057A (en) | A kind of experimental provision suitable for the loading of coal and rock axial vibrations | |
| CN111458260B (en) | Coal gas desorption rule determination device, system and method | |
| CN102841192A (en) | Desorption analysis experimental facility of coal rock | |
| CN105403479A (en) | Determination method of bound water and free water of hardened cement paste matrix | |
| CN105448201A (en) | LED displaying and monitoring screen system for painting workshop environment quality | |
| CN107328882A (en) | Coal volatility and volatile ingredient determine device and assay method | |
| CN205192920U (en) | Broken coal permeability of losing of pressure -bearing develops and ignition quality testing arrangement | |
| CN104931604B (en) | Quantitative detection device and method for interface reaction degree of aluminum-carbon composite material | |
| CN205826575U (en) | The device of gas component during acquisition testing analysis coal heating and oxidation | |
| CN212067818U (en) | Gas-assisted liquid-liquid micro-extraction device for pretreatment of water quality inspection | |
| CN205691497U (en) | A kind of packaged type Grass Quality testing laboratory | |
| CN205483655U (en) | Oil sample thief | |
| CN213397855U (en) | Chemical engineering safety gas sampling device | |
| CN204302027U (en) | A kind of blanking-tube sampling device tested | |
| CN200989203Y (en) | Apparatus for simulating porforation effect detection under reservoir condition | |
| CN104931521B (en) | Ternary system fluid mutual solubility assay method and its measurement system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |