CN208654024U - In-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis - Google Patents
In-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis Download PDFInfo
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- CN208654024U CN208654024U CN201821217073.6U CN201821217073U CN208654024U CN 208654024 U CN208654024 U CN 208654024U CN 201821217073 U CN201821217073 U CN 201821217073U CN 208654024 U CN208654024 U CN 208654024U
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Abstract
A kind of in-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis, cylinder is desorbed including glass, glass desorbs setting on cylinder, and there are many measuring devices, sodium chloride brine in glass desorption cylinder is discharged by the gas generated in core sample at different temperatures desorption process, water management gyrocompass control rate of discharge size is adjusted out by gyrocompass and water output duct discharge；The temperature of desorption is controlled by connection heater and is detected with thermometer, the desorption process under the conditions of simulated formation temperature；Dress sodium chloride solution in glass desorption cylinder is effectively reduced the solubility of desorption gas；Re-injection sodium chloride solution connects glass desorption cylinder by the re-injection conduit of connection and can be discharged in the desorption gas to outtake tube of generation in draining hole；For infrared gas analyser for quickly detecting desorption gas component and content, gas collection bag connection outtake tube collects pure desorption gas, and the utility model has the characteristics that rapidity, comprehensive, accuracy and integrated.
Description
Technical field
The utility model belongs to petroleum natural gas exploration technology, in particular to a kind of in-site measurement collects shale desorption
Tolerance and the integrated experimental provision of component analysis.
Background technique
In recent years, being constantly progressive with oil-gas exploration and development technique, the Unconventional gas such as China's shale gas obtain
Fast development, to conventional gas and oil has carried out effective supplement, promotes the development of local economy and society.China shale gas master
It develops in the marine bed on the Sichuan Basin and its periphery, development zone topography and geomorphology is had inconvenient traffic based on the hills of mountain area.By
It is influenced in the complexity of China's shale gas geological conditions development with more phases constructions are received, different sedimentation setting different tectonic elements
Middle air content and gas change of component are larger, and the shale gas resources supplIes and abundance difference of different regions are larger, in shale gas
There is also biggish differences for gas component, as contained a large amount of N in the Niutitang group shale gas of Sichuan Basin periphery2Gas, quickly
It comprehensively evaluates shale Gas content and its component is most important to the resource potential of shale gas, site desorption experiment is quickly timely
Ground obtains the most direct mode of interval of interest shale gas bearing condition.During shale gas prospect pit or investigation well construction, shale contains
The quick identification and component evaluation of tolerance are to determine core sample acquisition density, mode, the important evidence for adjusting drilling plan, are used
The gassiness resource situation and exploration prospect of interval are drilled through in preliminary assessment.
Currently, the test of shale core sample gas-bearing property mainly uses lab analysis and field assay.Lab analysis
It is main to be tested using the sample of acquisition is sent to laboratory, experiment content include adsorption isotherm experiment, reservoir properties analysis,
Water saturation, gas component etc. calculate separately the absorption tolerance and free tolerance of acquisition shale, lack the intuitive of field assay
Property and timeliness.The rock core drilled through is mainly put into steel casing progress air content test experiments by field assay experiment, adopting
The gaseous sample of collection is sent again to the analysis of the items time such as progress gas component in laboratory, and there is cannot intuitively observe sampling rock core
Desorption process often carries big quantity of fluid in the gas of collection, cannot carry out gas component and content analysis in real time, lacks timeliness
With it is comprehensive, affect the direct evaluation of drilling and coring delivery scheme and rock sample gassiness potentiality.
Summary of the invention
In order to overcome the on-the-spot test of shale gas-bearing property that cannot carry out gas composition analysis and content, collection gas carrying of liquids
The poor feature of error, true gassiness evaluation timeliness is generated, and solve rock sample desorption process intuitively to observe and contain
There are error limitations for tolerance measurement, and the purpose of the utility model is to provide a kind of in-site measurements to collect shale gas desorption quantity and group
The integrated experimental provision of analysis, after capable of drilling through shale core at the scene, being quickly put into device intuitively to be observed
Desorption process including tolerance size, the evolution rate of desorption gas and intensity, and passes through control temperature change simulated formation temperature
Under gas bearing condition, can rapid survey shale air content, desorption gas can analyze gas component and content at any time at the scene,
And the clean gas preservation without liquid can be acquired and transported, experimental provision is simple and easy, and accuracy is high, has comprehensive, can be
Live drilling and coring delivery scheme and gas-bearing evaluation provide foundation, for solving in current shale gas-bearing property analytic process timeliness and complete
Face property is poor, collects carrying of liquids in gas, cannot intuitively observe the problem of gas desorption loss process.
In order to achieve the above object, the technical solution of the utility model are as follows:
In-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis, including high-strength armoured-glass
Cylinder 14 is desorbed, sample inlet lid 11 is provided with right above glass desorption cylinder 14, the apopore 5 of glass desorption cylinder 14 is connected to out water flow
Amount control rotating disk 4, water management rotating disk 4 is connected to glass by rotating nuts 6 and desorbs on cylinder 14 out, water flow control rotation
The outlet of turntable 4 has the water output duct 1 of valve 2, and glass desorbs connection having heaters 10 and thermometer 13 in cylinder 14；
Glass desorbs 14 side of cylinder and is connected to draining hole 9 by water injection pipe 8, is provided with valve 7 on water injection pipe 8；Glass desorbs 14 top of cylinder
Side connects outtake tube 16 by leaving air control valve 15, and 16 1 branch of outtake tube is red by being connected by detection control valve 18
Outer gas analyzer 19 connects gas exhausting valve 20 on the output end pipeline of infrared gas analyser 19；Another branch passes through collection
Gas control valve 17 connects gas collection bag 21.
There is scale (0-70cm) on glass desorption 14 longitudinal direction of cylinder, and is gradually increased from the top down.
The hole for going out water management rotating disk 4 and having diameter different.
The utility model has the effect that the utility model can intuitively observe shale core sample desorption gas
Loss process can measure shale samples gas desorption quantity under different temperatures, quickly analyze the component and content of desorption gas, collect
Pure desorption gas preservation transports, and air content, gas composition and the content of field evaluation shale samples simultaneously make to collect pure
Net gas is for other analyses of laboratory；Utility model device has that intuitive visual, site desorption is full-featured, easy to be fast
Prompt feature.
The utility model is directed to shale gas drill cores, has developed a kind of in-site measurement and collects shale gas desorption quantity and component
Integrated experimental provision is analyzed, quickly can observe to entirely integrating shale core desorption process, measurement sample in difference
At a temperature of desorption air content, analyze desorption gas component and content, the desorption gas preservation for collecting not carrying of liquids transports use
In other experiment tests, a kind of fast simple new equipment is provided for the fast qualitative quantitative assessment of shale Gas-bearing Characteristics scene.
Detailed description of the invention
Attached drawing is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
Referring to attached drawing, in-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis, including high-strength
It spends tempered glass and desorbs cylinder 14, glass desorbs cylinder 14 and supported by fixed bracket 3, and it is in cuboid-type that glass, which desorbs cylinder 14, has one
Fixed length (a), wide (b), high (c), for placing shale core sample and accommodating the gas of rock sample desorption；Glass is desorbing cylinder 14 just
Top is provided with sample inlet lid 11, and guarantees certain leakproofness；The apopore 5 that glass desorbs cylinder 14 is connected to water flow control
Rotating disk 4 processed, water management rotating disk 4 is connected to glass by rotating nuts 6 and desorbs on cylinder 14 out, and water flow controls rotating disk
4 outlet has the water output duct 1 of valve 2, and glass desorbs connection having heaters 10 and thermometer 13 in cylinder 14；Pass through
Power supply heating can control the temperature of fluid in glass desorption cylinder 14；Thermometer 13 connects glass and desorbs cylinder 14, measures glass solution
Inhale the temperature of 14 liquid of cylinder；Glass desorbs 14 side of cylinder and is connected to draining hole 9 by water injection pipe 8, is provided with valve 7 on water injection pipe 8；
Glass desorbs and connects outtake tube 16 by leaving air control valve 15 at the upper side of cylinder 14, and 16 1 branch of outtake tube passes through inspection
It surveys control valve 18 and connects infrared gas analyser 19, for detecting the desorption gas component and content collected, infrared gas analysis
Gas exhausting valve 20 is connected on the output end pipeline of instrument 19；Another branch connects gas collection bag 21 by collection gas control valve 17,
It collects pure desorption gas preservation to transport, is used for other experimental works；Desorption gas is forced to enter by re-injection fluid infrared
Infrared gas analyser 19 and gas collecting bag 21 carry out gas composition analysis and collect pure desorption gas
There is scale (0-70cm) on glass desorption 14 longitudinal direction of cylinder, and is gradually increased from the top down.
The hole for going out water management rotating disk 4 and having diameter different can control glass by rotation control rotating disk 4
Glass desorbs the water speed out of fluid in cylinder 14.
The working principle of the utility model are as follows:
A kind of in-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis passes through to drilling well shale
In the gas discharge glass desorption cylinder 14 that core sample 12 generates in desorption process at different temperatures sodium chloride brine by into
Enter apopore 5, go out water management gyrocompass 4 and the discharge of water output duct 1, filling sodium chloride brine in glass desorption cylinder 14 can be reduced
Solubility of the desorption gas in glass desorption cylinder 14；The big of different-diameter hole in water management gyrocompass 4 is adjusted out by rotating
Small combination desorption rate can control rate of discharge size, and the temperature of desorption is controlled by heater 10, for heating glass desorption cylinder
Sodium chloride brine in 14, thermometer are used to measure the temperature of sodium chloride solution in glass desorption cylinder 14, the i.e. solution of core sample
Air-breathing temperature, analog formation temperature.Since glass desorption 14 transparencys of cylinder are good, the solution of core sample can be intuitively observed
It is drawn through journey and intensity.After the completion of desorption or connecting 8 re-injection sodium chloride brine of water injection conduit by draining hole 9 in desorption process makes glass
The gas that glass desorption cylinder 14 desorbs is entered 16 in outtake tube, is connected infrared gas analyser 19 by detection control valve and is detected
Gas component and content；Pure desorption gas can be collected by connecting gas collection bag 21 by collection gas control valve 17, and preservation transports
Other experimental analyses are carried out in laboratory.
When operation, the leakproofness of device is first checked for, leaving air control valve 15 and sample inlet lid 11 is opened, closes out water control
Valve 2, Water filling valve 7, collection gas control valve 17 and monitoring control valve 18 processed, add partial oxidation natrium brine in glass desorption cylinder 14,
Container leaving air control valve 15 is closed later, sample inlet lid 11 is covered, outlet water control valve 2, and water flow control rotation is adjusted
At 4 maximum gauge hole of disk, whether has in gas generation and conduit 1 whether have fluid outflow in observation glass desorption cylinder 14, wait 5
Minute, if conduit 1 is flowed out without fluid, illustrate device good airproof performance.
Secondly, opening Water filling valve 7 after detection closure, sample inlet lid 11 and leaving air control valve 15 are opened, by drawing
Head piece 9 injects sodium chloride salt water container, makes to fill in glass desorption cylinder 14, closes Water filling valve 7, and drill cores sample 12 is fast
Speed is put into glass desorption cylinder 14, and glass desorbs the extra sodium chloride fluid of cylinder 14 and passes through sample inlet lid 11 and leaving air control valve
15 outflows, close sample inlet lid 11 and leaving air control valve 15 later, adjust out water management gyrocompass 4, and sample is made to desorb page
The expansion of rock sample product gas production causes the fluid of glass desorption cylinder 14 to flow out by water output duct 1.Power supply is connected, heater 10 is passed through
After heating makes the sodium chloride solution in glass desorption cylinder 14 reach formation temperature, heater 8 is closed, when operation makes glass desorb cylinder
Sodium chloride solution temperature in 14 is in certain range, if the sodium chloride solution in glass desorption cylinder 14 decrease beyond 3 DEG C,
Heater 10 makes the sodium chloride solution in glass desorption cylinder 14 be restored to formation temperature.It is desorbed in cylinder 14 by record glass
The height (h) of the gas desorption quantity of generation can calculate the desorption volume of core sample
V=a*b*h.After desorption, Water filling valve 7 and monitoring control valve 18 are opened, sodium chloride is injected by draining hole 9
Solution makes the desorption gas generated enter infrared gas analyser by outtake tube, analyzes stripping gas after a period of stabilisation
The component and content of body close monitoring control valve 18 after detection, open collection gas control valve 17, collect gas collection bag 21
The desorption gas of generation, to reduce pollution, the gas discharge of early period.The gas preservation of collection is transported to use for laboratory in other realities
Test analysis；Extra desorption gas can be discharged by opening leaving air control valve 15.
Using the device, it can intuitively observe the desorption process of shale gas drill cores sample, shale is calculated
The desorption Gas content size of core sample analyzes the component and content of the stripping gas scale of construction, collects pure desorption gas for protecting
It deposits and transports.The device integrally quickly can comprehensively evaluate the gas bearing condition of shale core at shale gas well scene, can
It more accurately obtains gas-bearing property size, gas component and content, and collects pure gas desorption quantity preservation and transport, carry out other
Experiment, to provide reference for quickly comprehensively assessing coring design and drilling plan, for quickly analysis shale gas bearing condition with
Resource potential provides important evidence.The equipment is intuitively simple, easy to carry, full-featured, can rapidly and quantitatively survey comprehensively
The air content of shale core is measured, gas component and content is analyzed, collects pure desorption gas, reduce error, and then is quickly complete
The Resources Prospect of face evaluation study area interval of interest shale gas.The utility model embodiment provides a kind of in-site measurement collection shale
Gas desorption quantity and the integrated experimental provision of component analysis, use quickly measure the gassiness of shale drilling and coring delivery sample comprehensively on site
The integrated function that amount, desorption gas component and content, pure desorption gas are collected, have it is easy to operate, quick and precisely, evaluation
Comprehensive feature, the device are worth quick all-round exploration shale gas bearing condition with important practical.It therefore, can be quickly complete
Face qualitatively and quantitatively measures the integration that shale gas-bearing property, gas composition analysis and pure desorption gas are collected, and can be intuitive
Observation shale samples desorption process is the key that the utility model innovation place.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
It applies example the utility model embodiment is described in detail, those skilled in the art is it is understood that it still can be right
Technical solution described in previous embodiment is modified, and these are modified, this reality that it does not separate the essence of the corresponding technical solution
With the scope of new embodiment technical solution.
Claims (3)
1. in-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis, which is characterized in that including high-strength
Tempered glass desorption cylinder (14) is spent, is provided with sample inlet lid (11) right above glass desorption cylinder (14), glass desorbs cylinder (14)
Apopore (5) connection water flow control rotating disk (4), water management rotating disk (4) is connected to glass by rotating nuts (6) out
Glass desorbs on cylinder (14), and the outlet that water flow controls rotating disk (4) has the water output duct (1) of A valve (2), glass
Desorb connection having heaters (10) and thermometer (13) in cylinder (14)；Glass desorbs cylinder (14) side and is connected by water injection pipe (8)
Lead to draining hole (9), is provided with B valve (7) on water injection pipe (8)；Pass through leaving air control valve at the upper side of glass desorption cylinder (14)
(15) outtake tube (16) are connected, (16) one branch of outtake tube, which passes through, connects infrared gas analysis by detection control valve (18)
Instrument (19) connects gas exhausting valve (20) on the output end pipeline of infrared gas analyser (19)；Another branch passes through collection gas control
Valve (17) processed connects gas collection bag (21).
2. in-site measurement according to claim 1 collects shale gas desorption quantity and the integrated experimental provision of component analysis,
It is characterized in that, having scale 0-70cm on described glass desorption cylinder (14) longitudinal direction, and it is gradually increased from the top down.
3. in-site measurement according to claim 1 collects shale gas desorption quantity and the integrated experimental provision of component analysis,
It is characterized in that, the hole for going out water management rotating disk (4) and having diameter different.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821217073.6U CN208654024U (en) | 2018-07-30 | 2018-07-30 | In-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821217073.6U CN208654024U (en) | 2018-07-30 | 2018-07-30 | In-site measurement collects shale gas desorption quantity and the integrated experimental provision of component analysis |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896509A (en) * | 2018-07-30 | 2018-11-27 | 中国华能集团有限公司 | In-site measurement collects shale gas desorption quantity and the integrated experimental system of component analysis |
| CN111398559A (en) * | 2020-03-06 | 2020-07-10 | 中国矿业大学(北京) | Shale hydrogen generation experimental device, experimental method and analysis method |
| CN113009167A (en) * | 2021-02-23 | 2021-06-22 | 山东美毅生物技术有限公司 | Micro-operation device capable of realizing accurate control of liquid suction and discharge |
-
2018
- 2018-07-30 CN CN201821217073.6U patent/CN208654024U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896509A (en) * | 2018-07-30 | 2018-11-27 | 中国华能集团有限公司 | In-site measurement collects shale gas desorption quantity and the integrated experimental system of component analysis |
| CN111398559A (en) * | 2020-03-06 | 2020-07-10 | 中国矿业大学(北京) | Shale hydrogen generation experimental device, experimental method and analysis method |
| CN113009167A (en) * | 2021-02-23 | 2021-06-22 | 山东美毅生物技术有限公司 | Micro-operation device capable of realizing accurate control of liquid suction and discharge |
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