CN109611059A - A kind of hydrate environment simulator - Google Patents
A kind of hydrate environment simulator Download PDFInfo
- Publication number
- CN109611059A CN109611059A CN201811302914.8A CN201811302914A CN109611059A CN 109611059 A CN109611059 A CN 109611059A CN 201811302914 A CN201811302914 A CN 201811302914A CN 109611059 A CN109611059 A CN 109611059A
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- Prior art keywords
- negative pressure
- hydrate
- sample cavity
- pressure
- mounting hole
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- 238000005259 measurement Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 22
- 238000004088 simulation Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 29
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 24
- 238000011068 loading method Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052594 sapphire Inorganic materials 0.000 claims description 5
- 239000010980 sapphire Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 235000013312 flour Nutrition 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 abstract description 12
- 230000015572 biosynthetic process Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000011160 research Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 6
- 150000004677 hydrates Chemical class 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 230000006837 decompression Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 abstract description 2
- 238000013508 migration Methods 0.000 abstract description 2
- 230000005012 migration Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000035699 permeability Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- NUXZAAJDCYMILL-UHFFFAOYSA-K trichlorolanthanum;hydrate Chemical compound O.Cl[La](Cl)Cl NUXZAAJDCYMILL-UHFFFAOYSA-K 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0099—Equipment or details not covered by groups E21B15/00 - E21B40/00 specially adapted for drilling for or production of natural hydrate or clathrate gas reservoirs; Drilling through or monitoring of formations containing gas hydrates or clathrates
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/001—Survey of boreholes or wells for underwater installation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention discloses a kind of hydrate environment simulator, and the negative pressure sample cavity including placing sample measures the parameter measurement system of each experimentation parameter to the steady state measurement device that sample is heated, and controls the data acquisition process unit of experimentation.The present invention can the exploitation of full-scope simulation gas hydrates, the gas production of aqueous vapor migration and hydrate reservoir under research decompression and EOR Conditions in hydrate formation.It can be used for desk research synthesis, the decomposition gas hydrates mechanism of China's Gas Hydrate In Sea Areas, and to grasp the support in terms of the important sensitive parameter of the influence pilot productions such as reservoir properties, temperature, pressure, change of production rule of the hydrate pilot production in sea area in the process under the conditions of different development schemes, different exploitation well groups provides physical analogy.
Description
Technical field
The present invention relates to geology fields, in particular to a kind of to can provide hydrate generation, decomposition and the hydration of mining environment
Substance environment simulator.
Background technique
Since this century, the whole world all recognizes that gas hydrates are a kind of cleaning energy for substituting conventional fossil fuel
Source.The whole world is it has been found that hydrate mineral reserve point is more than at 200, and with current energy-consuming trend, only the hydrate of exploitation 15% is just
It is used 200 years as long as the whole world.But the stabilization Temperature-pressure Conditions of its own formation, determine the particularity of its mining method,
In addition the influence with environment is need further to assess in its recovery process.Therefore, the research to hydrate exploitation at present
In addition to the runin that a few countries and area carried out individual well or single well group is adopted, overwhelming majority research is also in laboratory physics
The stage of simulation and numerical simulation.
Currently in order to developing and utilizing to the huge energy of this reserves, researcher proposes many methods:
1. heat injection method: being heated to decompose on equilibrium temperature by hydrate using injection hot water, steam or hot salt brine；
2. voltage drop method: below the pressure reduction of hydrate hiding to balance decomposition pressure；
3. chemical agent method: injection chemical agent, for example methanol or ethylene glycol are to change hydrate equilibrium formation condition.
Current research equipment can only all be developed in one aspect, such as only study the decomposable process of hydrate, or only
The generating process etc. for studying hydrate cannot provide one and meet all experimental situations requirement simulators.
Summary of the invention
It can simultaneously be that hydrate generates, decomposition and extracting experiment provide simulated environment the object of the present invention is to provide one kind
Simulator.
Particularly, the present invention provides a kind of hydrate environment simulator, comprising:
Negative pressure sample cavity is internally provided with the formation ring pressure between hollow body for the horizontal metal hollow tube body put
The rubber layer in space fills sea bottom hydrate reservoir shale flour sand porous media for portion, and one end is by having connecting pipeline
Sealing structure sealing, other end connection press the axis that porous media applies axial compressive force and load piston, axially spaced on tube body
It is provided with mounting hole and sapphire visual window, multiple mounting holes are evenly arranged on the circumference locating for mounting hole；
Steady state measurement device, for realizing the measurement of stable state heated filament in the negative pressure sample cavity；It is described negative including being inserted into
Pressure-like product it is intracavitary and be located at axial line on platinum product heated filament, the sheath outside platinum product heated filament is covered, by sheath and platinum product heated filament two
End is fixed on the limit base on the end socket and axis pressure load piston at negative pressure sample cavity both ends；
Parameter measurement system is mounted in each mounting hole of the negative pressure sample cavity with while measuring porous media in difference
Data in simulation process, each mounting hole are separately installed with the bellows manograph of measurement pressure, measure the temperature sensing of temperature
The electrode of device and measurement resistance；
Data acquisition process unit, the control system including having data processing software, while controlling simulation process
Data acquisition, analysis and result output are realized to different experimentations.
In an embodiment of the invention, the limit base is internally provided with axially extending bore, passes through the outer of one end
Screw thread is connect with the mounting hole on end socket or axis pressure load piston, and the seal joint of extrusion deformation is equipped in mounting hole,
It is screwed with tension connector on the external screw thread of the other end of limit base, adjusting tension is installed close to one end of fixing seat tensing connector
The adjusting nut of connector degree of tension, tense be provided with fluting in the end of the connector other end carve jam-packed ring, and will carve
Jam-packed ring is limited in the tightening pressure cap tensed on connector.
In an embodiment of the invention, the parameter measurement system further includes fixing seat, margining tablet and Anti-slip cover,
In the mounting hole that the fixing seat sealing is fixed on the negative pressure sample cavity and it is internally provided with central passage, the margining tablet
For flexible disk and be provided with it is multiple axially penetrate through jack, be horizontally arranged in central passage, the Anti-slip cover pass through outer spiral shell
Line is screwed in the external opening end of central passage, and front end holds out against the margining tablet；The bellows manograph, temperature sensor and survey
Amount electrode protrudes into the negative pressure sample cavity after passing through the jack on Anti-slip cover and margining tablet, the Anti-slip cover and the fixing seat
It contacts and is provided with sealing element on the excircle of one end, the other end is provided with the anti-turn bolt for preventing signal line from loosening, described anti-
Turn bolt is radially provided with through-hole, and corresponding limiting holes are provided on the Anti-slip cover, after anti-turn bolt goes to position,
Through-hole is screwed by fixing bolt and limiting holes avoid anti-turn bolt from rotating.
In an embodiment of the invention, the margining tablet is equipped with multiple, each margining tablet interval or mutual
Contact installation.
In an embodiment of the invention, the bellows manograph includes pressure-measuring pipe, covers drawing outside pressure-measuring pipe
Pressure pipe, positioned at impulse tube end and sealing accommodates the bellows separation sleeve of pressure-measuring pipe end, injects anti-icing fluid in Xiang Suoshu pressure guiding pipe
Injection device；The end outer surface of the pressure guiding pipe is provided with multiple tracks radial convex loop, and the bellows separation sleeve is open at one end
Flexible boot, the inner surface in open end is provided with concave ring corresponding with bulge loop, the bellows separation sleeve using concave ring with it is described
It links together after bulge loop engaging on pressure guiding pipe, in the internal guard space for forming receiving anti-icing fluid.
In an embodiment of the invention, the same mounting hole radially of the negative pressure sample cavity with straight line it is symmetrical or
Triangular symmetrical mode is distributed on the circumference of the negative pressure sample cavity, and the quantity of the mounting hole is 8~12, a peace
Fill hole at the temperature sensor at least provided with 4, and be located at the negative pressure sample cavity radius 1/4,2/
4,3/4 and axle center at.
In an embodiment of the invention, the sealing structure of the negative pressure sample cavity includes fixed nozzle at one end
Flange, the end socket of the movable sealing nozzle open end, the flange are fixed at nozzle simultaneously by pressure-bearing screw by the envelope
Head is limited in nozzle open end；Be provided on the end socket it is multiple for test line connection axially extending bores, excircle with
It is provided with sealing element at the position of nozzle inner sidewall contact, is provided with the filter being isolated between porous media, while
The diversion trench for being provided on the end face of one end and the liquid of axially extending bore output being dispersed into face output is contacted with porous media, it is described
Diversion trench includes the annular groove that annular space is distributed on the end face, and the radial slot of connection axially extending bore and each annular groove.
In an embodiment of the invention, loading chambers are installed in the other end of the negative pressure sample cavity, it is described
Axis pressure load piston is inserted into loading chambers and excircle is identical as the inner periphery diameter of the negative pressure sample cavity, in the axis
It is provided with the filter for preventing porous media from passing through between the end face and porous media of pressure load piston, the loading chambers are opposite
Load piston is pressed to be limited in the loading chambers on the axis by sealing gland in the one end connecting with the negative pressure sample cavity.
In an embodiment of the invention, the sapphire visual window is oppositely disposed at the negative pressure sample cavity
Two sides.
The present invention can the exploitation of full-scope simulation gas hydrates, under research decompression and EOR Conditions in hydrate formation
Aqueous vapor migration and hydrate reservoir gas production.It can be used for the desk research synthesis of China's Gas Hydrate In Sea Areas, decompose
Gas hydrates mechanism, and to grasp the pilot production of sea area hydrate in the process in different development schemes, different exploitation well group items
In terms of the important sensitive parameter that reservoir properties, temperature, pressure, change of production rule under part etc. influence pilot production provides physical analogy
Support.
Change the creation datas such as producing well bottom pressure, heat injection temperature, Optimal Development parameter by control；By comparing not
With the production performance feature of hydrate under the conditions of well pattern mode, well spacing density, optimized well pattern development plan.
Detailed description of the invention
Fig. 1 is the negative pressure sample cavity structural schematic diagram of one embodiment of the present invention；
Fig. 2 is the steady state measurement apparatus structure schematic diagram of one embodiment of the present invention；
Fig. 3 is the parameter measurement system structural schematic diagram of one embodiment of the present invention；
Fig. 4 is the bellows manograph structural schematic diagram of one embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the negative pressure sample cavity setting mounting hole of one embodiment of the present invention；
Fig. 6 is the sealed structural schematic diagram of one embodiment of the present invention；
Fig. 7 is the structural schematic diagram of diversion trench on end socket in one embodiment of the present invention；
Fig. 8 is the structural schematic diagram of one embodiment of the present invention axis pressure load piston.
Specific embodiment
As shown in Figure 1, an embodiment of the invention discloses a kind of hydrate environment simulator, generally wrap
Include negative pressure sample cavity 1, steady state measurement device 103, parameter measurement system 3 and data acquisition process unit.
The main body of the negative pressure sample cavity 1 as the various experiments of analog sample, the generally horizontal stainless steel production put
Hollow body 101, the rubber layer that ring pressure space is formed between hollow body is provided at inner sidewall, and centre is used for for filling
One end of the sea bottom hydrate reservoir shale flour sand porous media of test, tube body 101 is sealed by sealing structure 104,
The pipeline of the external each system of connection is provided in sealing structure 104, other end connection is to porous Jie being located in negative pressure sample cavity 1
Matter applies the axis pressure load piston 105 of axial compressive force, is provided with mounting hole 102 the circumference of tube body 101 is axially spaced, and every
Multiple mounting holes 102 are evenly arranged at one on circumference locating for mounting hole 102.
Negative pressure sample cavity 1 is whole to be made of steel pipe or stainless steel tube, and specific size can be 50 × 1200mm of φ, can be held
The pressure received is greater than the pressure at actual formation, and the displacement pressure in this programme is 16MPa or so, and ring is pressed in 25MPa or so.
As shown in Fig. 2, steady state measurement device 103 is used to realize the measurement of stable state heated filament, including inserting in negative pressure sample cavity 1
Platinum product heated filament 1031 in negative pressure sample cavity 1 and on axial line, covers the sheath 1032 outside platinum product heated filament, by sheath
1032 and 1031 both ends of platinum product heated filament be fixed on 1 both ends of negative pressure sample cavity end socket 104 and axis pressure load piston 105 on limit
Seat 1033.
After platinum product heated filament 1031 is powered, heating and progressive, the sheath to circumferencial direction can be carried out from porous media axis line location
1032 can prevent external liquid or porous media from directly contacting with platinum product heated filament 1031, through in porous media difference position
The parameter measurement system 3 set, arranged at different depth can measure heating rate, and then test out the thermal coefficient of hydrate.
As shown in figure 3, the parameter measurement system 3 is used to measure relevant parameter of the porous media in each experimentation,
Realize measurement purpose by multiple measurement components for being mounted in each mounting hole 102 of negative pressure sample cavity 1, the collection of measurement data and
By the control of data acquisition process unit, the measurement component that each mounting hole 102 is installed includes the bellows survey for measuring pressure for management
Depressor 306, the temperature sensor 307 for measuring temperature and the electrode 305 for measuring resistance.
According to the data that bellows manograph 306 at different location obtains, can be examined by the differential pressure value difference between two side points
Survey hydrate synthesis and decompose situation, if formed hydrate or the region hydrate it is undecomposed or decompose amount it is less,
Then differential pressure value must be high, otherwise therefore differential pressure value, is it will be clearly understood that reaction water closes object by the difference that differential pressure value is read with regard to small
Synthesize situation.
Lanthanum chloride hydrate is monitored and detected by arranging temperature sensors of high precision 307 in different location and decomposed
Journey, if lanthanum chloride hydrate or amount that is undecomposed or decomposing are less, which must be low, otherwise extreme temperatures.
The resistivity value that different zones in simulation process are detected by saturation degree electrode 305, according to resistivity and saturation
Relation value between degree calculates and detects the saturation distribution situations of different zones.It, can be right if there is the measurement of other demands
Corresponding measurement device is replaced or installed additional to original measurement component in mounting hole 102.
The data acquisition process unit includes the control system with data processing software, control system can be PC machine,
The equipment that industrial personal computer etc. has data processing and analytic function.Control system controls the same of experimentation by data processing software
When data acquisition, analysis and result, which export, to be realized to different experimentation.
In the present solution, negative pressure sample cavity 1, parameter measurement system 3 and data acquisition process unit constitute basic experiment knot
Structure, other experimental systems can be connected to by corresponding pipeline with negative pressure sample cavity 1, can pass through data acquisition process list when needed
Member is individually controlled, to realize different simulation processes, when simulating some detailed process, and other systems needed not participate in
It is isolated by corresponding control valve.
In simulation, the permeability of different porous medias can be measured by changing the outfit different type deposit, by existing
Analysis method the various data in each simulation process can be analyzed and be summarized, thus obtain selection reservoir in different moulds
All data informations in draft experiment provide believable foundation for practical exploitation.By accurately controlling into negative pressure sample cavity 1
Gas and liquid injection rate, while the gas and amount of liquid that accurate measurement negative pressure sample cavity 1 exports, can calculate porous media hole
Air water saturation degree in gap.It was exploited by the generation situation and heat injection of different location hydrate in monitoring negative pressure sample cavity 1
The decomposition situation of hydrate in journey, can analyze the variation of temperature, pressure curve in porous media in experimentation, and according to gas
The generation and decomposition of hydrate mutually are determined with the fine difference of temperature in porous media, to obtain natural gas in different medium
The P-T of hydrate is balanced and decomposition condition.
The decomposable process of present embodiment simulation porous media hydrate sample can realize that dynamic characteristic measurement and static state are special
Sign measurement, wherein behavioral characteristics measurement can be under the decompression of control hydrate sample or heat injection decomposition condition, to decomposition of hydrate mistake
Journey, the dynamic change of the gas and water permeability, Gas And Water Relative Permeability, thermal coefficient of the different piece of the sample of hydrate containing deposit
Change is measured and is studied.And static characteristic measurement can be under the conditions of control hydrate sample be Undec, to synthesis containing heavy
The gas and water permeability and Gas And Water Relative Permeability and thermal coefficient of the different piece of product object hydrate sample carry out survey in situ
Amount.
In an embodiment of the invention, specifically limit holder structure is as follows: limit base 1033 is cylindrical structure,
It is internally provided with axial hollow bore, both ends are provided with external screw thread, pass through the external screw thread and 1 both ends of negative pressure sample cavity of one end
End socket 104 presses load 105 upper installing hole of piston to connect with axis, is equipped with after being squeezed and is deformed to enhance sealing effect in mounting hole
The seal joint 1034 of fruit is screwed on the external screw thread of 1033 other end of limit base and tenses connector 1035, is tensing connector 1035
It is equipped with close to one end of limit base 1033 and adjusts the adjusting nut 1036 for tensing 1035 degree of tension of connector, it is another to tense connector 1035
Fluting is provided in the end of one end carves jam-packed ring 1037, and will carve jam-packed ring 1037 be limited in tense connector 1035
On tightening pressure cap 1038.
By tensing the elasticity of the adjustable platinum product heated filament 1031 of connector 1035, while it will not influence tightening pressure cap 1038
Fixed effect.
Parameter measurement system 3 is equipped with fixing seat 301 in mounting hole 102, limits for convenience of fixed corresponding measurement component
Film-making 302 and Anti-slip cover 303, the mounting hole 102 on negative pressure sample cavity 1 is circular through-hole, and fixing seat 301 is internally provided with
Central passage, sealing are fixed in mounting hole 102, and specific fixed form can be welding or screw thread twist-on.
Margining tablet 302 be flexible or metal disk and be provided with it is multiple axially penetrate through jack, axially penetrate through jack for making
The cable of each measurement component passes through, and is horizontally arranged in central passage, margining tablet 302 can according to seal request using one or
Multiple, each margining tablet 302 can be overlapped mutually installation, form flexible fastening to the cable passed through, while facilitate adjustment is corresponding to survey
Measure the measurement position of component.
Anti-slip cover 303 is equally the tubular-shaped structures that a centre has the central passage passed through for cable, passes through outer spiral shell
Line is screwed on the internal screw thread at the external opening end of 301 central passage of fixing seat, and the front end of Anti-slip cover 303 can be by the depth tightened
Margining tablet 302 is held out against to prevent margining tablet 302 from moving axially.
Bellows manograph 306, temperature sensor 307 and measuring electrode 305 pass through on Anti-slip cover 303 and margining tablet 302
It is protruded into after through-hole in negative pressure sample cavity 1；For the pressure-resistant performance for improving junction, Anti-slip cover 303 and fixing seat 301 contact one end
Settable sealing element 308 on excircle；The anti-turn bolt for preventing signal line from loosening is provided in the other end of Anti-slip cover 303
304, which is radially provided with through-hole, and corresponding limiting holes are provided on Anti-slip cover 303, when anti-rotation spiral shell
After bolt 304 goes to position, through-hole and limiting holes can be screwed by fixing bolt to avoid anti-turn bolt 304 with respect to 303 turns of Anti-slip cover
It is dynamic.
As shown in figure 4, the bellows manograph 306 in present embodiment includes pressure-measuring pipe 3061, cover outside pressure-measuring pipe 3061
The pressure guiding pipe 3062 in portion, positioned at 3062 end of pressure guiding pipe and sealing accommodates the bellows separation sleeve 3063 of 3061 end of pressure-measuring pipe, to
The injection device of injection anti-icing fluid in pressure guiding pipe 3062；The pressure of received insert division porous media is transferred to by pressure-measuring pipe 3061
The pressure sensor of external connection, pressure sensor passes through the digital display secondary instrument provided for oneself and is directly shown, or is transferred to data
It collects at processing unit 10.For pressure guiding pipe 3062 for protecting pressure-measuring pipe 3061, internal anti-icing fluid can prevent 3061 quilt of pressure-measuring pipe
Sharp freezing at porous media.Bellows separation sleeve 3063 can the end of pressure-measuring pipe 3061 formed one full of anti-icing fluid by
Cavity 3064 is pressed, with the pressure of accurate transfer receiving to pressure-measuring pipe 3061.
The end outer surface of pressure guiding pipe 3062 is provided with multiple tracks radial convex loop 3065, bellows separation sleeve 3063 is opened for one end
The flexible boot of mouth, the inner surface in open end are provided with concave ring 3066 corresponding with bulge loop 3065, and bellows separation sleeve 3063 utilizes
It is fastened togather after concave ring 3066 and 3065 inserting of bulge loop on pressure guiding pipe 3062, can be formed in inside while preventing from falling off
Accommodate the guard space of anti-icing fluid.
As shown in figure 5, the quantity of 1 upper installing hole 102 of negative pressure sample cavity, it can be according to the precision of measurement and the survey of different location
Amount require carry out quantity and position setting, as present embodiment negative pressure sample cavity it is same radially mounting hole 102 setting 2~
3, each mounting hole 102 symmetrically or in a manner of triangular symmetrical is distributed on the circumference of negative pressure sample cavity 1 by straight line, and in the axial direction may be used
The position of 8~12 mounting holes 102 is set, and the quantity of overall upper installing hole 102 can reach 16~36.
In addition, the temperature sensor 307 at a mounting hole 102 can at least be arranged 4, it is each in same mounting hole 102
Temperature sensor 307 according to the distance at the inner sidewall to axle center of negative pressure sample cavity 1, can be located separately radius 1/4,2/4,
3/4 and axle center at；Equally, bellows manograph 306 and electrode 305 can also be installed in the same manner, so as to survey
Measure pressure difference, the temperature difference and the resistivity value difference in porous media axial direction.And it then can measure the pressure of different depth in same position
Difference, the temperature difference and resistivity value difference.
As shown in Figure 2,6, for convenience of the dismounting and sealing at 1 both ends of negative pressure sample cavity, the sealing structure of the negative pressure sample cavity 1
104 may include the flange 1041 being fixed on outside 1 one end nozzle of negative pressure sample cavity, the end socket of the movable sealing nozzle open end
1042, end socket 1042 is used to block internal porous media, and flange 1041 is fixed on negative pressure sample cavity 1 by pressure-bearing screw
End socket 1042 is limited at nozzle open end simultaneously at nozzle.
Multiple axially extending bores 1043 for the not test piping connection of homologous ray, end socket 1042 are provided on end socket 1042
It is provided with sealing element at the position that excircle is contacted with nozzle inner sidewall, the filter being isolated is provided between porous media
1044, while being provided on the end face for contacting one end with porous media that the liquid that axially extending bore 1043 exports is dispersed into face is defeated
Diversion trench out, diversion trench include the annular groove 1045 that annular space is distributed on the end face, and connection axially extending bore 1043 with
The radial slot 1046 of each annular groove 1045, referring to Fig. 7.
During installation, after porous media loads, filter 1044 can be placed in the end of porous media, then again
End socket 1042 is installed, finally with the fixed entire end of flange 1041.Here filter 1044 may include filter paper and metal filter
Net, filter paper are first placed on porous media, then place metal screen.The mesh number of filter paper and metal screen at least needs to prevent porous Jie
Matter passes through, but cannot influence gas or liquid passes through.
The liquid or gas entered by axially extending bore 1042 on end socket 1042, into negative pressure sample cavity 1 after can first pass through
Radial slot 1046 on end socket 1042 enters each annular groove 1045, is then entered in the form of face filter 1044 again porous
Medium enables gas or liquid uniformly to contact with porous media, real simulation actual formation situation.
As shown in figure 8, the other end for being located at negative pressure sample cavity 1 is equipped with the loading chambers for accommodating axis pressure load piston 1051
1052, axis pressure load piston 1051 is inserted into loading chambers 1052 and can add along the axial movement of loading chambers 1052, axis pressure
Carry piston 1051 excircle it is identical with the inner periphery diameter of negative pressure sample cavity 1, axis press load piston 1051 end face with it is more
The filter 1044 for preventing porous media from passing through is again provided between the medium of hole, loading chambers 1052 are far from negative pressure sample cavity 1
One end by sealing gland 1053 by axis press load piston 1051 be limited in loading chambers 1052.
Axis pressure load piston 1051 moves axially under hydraulic or mechanical pressure in the inside of loading chambers 1052, Xiang Duokong
Medium applies axial compressive force, to the strata pressure at porous media simulation actual reservoir.
For convenience of observation simulation process and observation device is used, the opposite sides of negative pressure sample cavity is provided with symmetrical sight
Window is examined, the sapphire glass for facilitating infrared ray directly to observe is installed on observation window 104.
This method can pass through the generation situation and heat injection recovery process of different location hydrate in monitoring negative pressure sample cavity
The decomposition situation of middle hydrate, analyzes the variation of temperature, pressure curve in porous media in experimentation, and according to gas phase with
The fine difference of temperature determines the generation and decomposition of hydrate in porous media, to show that natural gas is hydrated in different medium
The P-T of object is balanced and decomposition condition.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (9)
1. a kind of hydrate environment simulator characterized by comprising
Negative pressure sample cavity is internally provided with for the horizontal metal hollow tube body put and forms ring pressure space between hollow body
Rubber layer, for portion fill sea bottom hydrate reservoir shale flour sand porous media, one end pass through have connecting pipeline sealing
Sealing structure, other end connection apply the axis pressure load piston of axial compressive force, axially spaced setting on tube body to porous media
There are mounting hole and sapphire visual window, multiple mounting holes are evenly arranged on the circumference locating for mounting hole；
Steady state measurement device, for realizing the measurement of stable state heated filament in the negative pressure sample cavity；Including being inserted into the negative pressure sample
Product it is intracavitary and be located at axial line on platinum product heated filament, cover the sheath outside platinum product heated filament, sheath and platinum product heated filament both ends consolidated
The limit base being scheduled on the end socket and axis pressure load piston at negative pressure sample cavity both ends；
Parameter measurement system is mounted in each mounting hole of the negative pressure sample cavity with while measuring porous media in different simulations
Data in the process, each mounting hole be separately installed with measurement pressure bellows manograph, measure temperature temperature sensor and
Measure the electrode of resistance；
Data acquisition process unit, the control system including having data processing software, to not while controlling simulation process
Same experimentation realizes data acquisition, analysis and result output.
2. hydrate environment simulator according to claim 1, which is characterized in that
The limit base is internally provided with axially extending bore, passes through the peace on external screw thread and end socket or axis the pressure load piston of one end
Hole connection is filled, the seal joint of extrusion deformation is installed in mounting hole, drawing is screwed on the external screw thread of the other end of limit base
Tight coupling is equipped with the adjusting nut that adjusting tenses connector degree of tension close to one end of fixing seat tensing connector, tenses connector
Fluting is provided in the end of the other end carves jam-packed ring, and is limited in the tightening pressure tensed on connector for jam-packed ring is carved
Cap.
3. hydrate environment simulator according to claim 1, which is characterized in that
The parameter measurement system further includes fixing seat, margining tablet and Anti-slip cover, and the fixing seat sealing is fixed on the negative pressure
In mounting hole on sample cavity and it is internally provided with central passage, the margining tablet is flexible disk and is provided with multiple axial directions and passes through
Inserting hole is horizontally arranged in central passage, and the Anti-slip cover is screwed in the external opening end of central passage by external screw thread,
Front end holds out against the margining tablet；The bellows manograph, temperature sensor and measuring electrode pass through on Anti-slip cover and margining tablet
It is protruded into after jack in the negative pressure sample cavity, the Anti-slip cover and the fixing seat contact and be provided with sealing on the excircle of one end
Part, the other end are provided with the anti-turn bolt for preventing signal line from loosening, and the anti-turn bolt is radially provided with through-hole, in institute
It states and is provided with corresponding limiting holes on Anti-slip cover, after anti-turn bolt goes to position, through-hole and limiting holes are screwed by fixing bolt
Anti-turn bolt is avoided to rotate.
4. hydrate environment simulator according to claim 3, which is characterized in that
The margining tablet is equipped with multiple, each margining tablet interval or the installation that contacts with each other.
5. hydrate environment simulator according to claim 3, which is characterized in that
The bellows manograph includes pressure-measuring pipe, covers the pressure guiding pipe outside pressure-measuring pipe, is located at impulse tube end and sealing accommodates
The bellows separation sleeve of pressure-measuring pipe end, the injection device of the interior injection anti-icing fluid of Xiang Suoshu pressure guiding pipe；Outside the end of the pressure guiding pipe
Surface is provided with multiple tracks radial convex loop, and the bellows separation sleeve is flexible boot open at one end, and the inner surface in open end is arranged
One is connected to after having concave ring corresponding with bulge loop, the bellows separation sleeve to engage using concave ring with the bulge loop on the pressure guiding pipe
It rises, in the internal guard space for forming receiving anti-icing fluid.
6. hydrate environment simulator according to claim 1, which is characterized in that
The same mounting hole radially of negative pressure sample cavity symmetrically or in a manner of triangular symmetrical is distributed in the negative pressure sample by straight line
On the circumference of product chamber, the quantity of the mounting hole is 8~12, and the temperature sensor at a mounting hole is at least set
4 are equipped with, and is located at 1/4,2/4,3/4 and the axle center of radius of the negative pressure sample cavity.
7. hydrate environment simulator according to claim 1, which is characterized in that
The sealing structure of the negative pressure sample cavity includes the flange of fixed nozzle at one end, the envelope of the movable sealing nozzle open end
Head, the flange are fixed at nozzle by pressure-bearing screw and the end socket are limited in nozzle open end simultaneously；In the end socket
On be provided with multiple axially extending bores for test line connection, be provided at the position that excircle is contacted with nozzle inner sidewall close
Sealing is provided with the filter being isolated between porous media, while being arranged on the end face for contacting one end with porous media
There is the liquid by axially extending bore output to be dispersed into the diversion trench of face output, the diversion trench includes that annular space is distributed in the end face
On annular groove, and connection axially extending bore and each annular groove radial slot.
8. hydrate environment simulator according to claim 7, which is characterized in that
Loading chambers are installed in the other end of the negative pressure sample cavity, the axis pressure load piston be inserted into loading chambers and
Excircle is identical as the inner periphery diameter of the negative pressure sample cavity, between the end face and porous media that the axis presses load piston
It is provided with the filter for preventing porous media from passing through, the opposite one end connecting with the negative pressure sample cavity of the loading chambers passes through
The axis is pressed load piston to be limited in the loading chambers by sealing gland.
9. hydrate environment simulator according to claim 1, which is characterized in that
The sapphire visual window is oppositely disposed at the two sides of the negative pressure sample cavity.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907336A (en) * | 2019-12-24 | 2020-03-24 | 江西省科学院能源研究所 | Experimental simulation device and method for determining distribution of hydrate in porous medium |
| CN112858018A (en) * | 2021-01-08 | 2021-05-28 | 青岛海洋地质研究所 | Device and method for testing lateral pressure creep of hydrate-containing sediment |
| CN113187442A (en) * | 2021-04-30 | 2021-07-30 | 刘刚 | Sealing device for isolating and collecting cover |
| WO2021159696A1 (en) * | 2020-08-06 | 2021-08-19 | 中国科学院广州能源研究所 | Reduced scale natural gas hydrate reservoir physical characteristics representation apparatus and method |
| WO2021159700A1 (en) * | 2020-08-06 | 2021-08-19 | 中国科学院广州能源研究所 | Full-size natural gas hydrate production well exploitation experimentation apparatus and method |
| CN114278274A (en) * | 2021-12-28 | 2022-04-05 | 中国地质大学（北京） | Natural gas hydrate exploitation simulation device and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539296A (en) * | 2010-12-23 | 2012-07-04 | 中国海洋石油总公司 | Method and special device for hydrate deposit seepage flow test |
| US8486340B2 (en) * | 2009-09-15 | 2013-07-16 | Korea Institute Of Industrial Technology | Apparatus and method for continuously producing and pelletizing gas hydrates using dual cylinder |
| CN205426212U (en) * | 2016-02-03 | 2016-08-03 | 青岛海洋地质研究所 | Many physics of gas hydrate exploitation field evolution simulating measurement setup |
| US20160320323A1 (en) * | 2015-04-29 | 2016-11-03 | Colorado School Of Mines | Water/oil/gas emulsions/foams characterization using low field nuclear magnetic resonance |
| US9777563B2 (en) * | 2013-09-30 | 2017-10-03 | Chevron U.S.A. Inc. | Natural gas hydrate reservoir heating |
| CN107687336A (en) * | 2017-07-28 | 2018-02-13 | 中国地质调查局油气资源调查中心 | A kind of one-dimensional long tube model system of gas hydrates exploitation analogue experiment installation |
| CN107817131A (en) * | 2017-11-07 | 2018-03-20 | 防灾科技学院 | A kind of deep sea water and dissolved gas harvester and method |
| CN108593371A (en) * | 2018-07-17 | 2018-09-28 | 广州海洋地质调查局 | The de- solution collection device and method of solution gas in water body |
-
2018
- 2018-11-02 CN CN201811302914.8A patent/CN109611059B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8486340B2 (en) * | 2009-09-15 | 2013-07-16 | Korea Institute Of Industrial Technology | Apparatus and method for continuously producing and pelletizing gas hydrates using dual cylinder |
| CN102539296A (en) * | 2010-12-23 | 2012-07-04 | 中国海洋石油总公司 | Method and special device for hydrate deposit seepage flow test |
| US9777563B2 (en) * | 2013-09-30 | 2017-10-03 | Chevron U.S.A. Inc. | Natural gas hydrate reservoir heating |
| US20160320323A1 (en) * | 2015-04-29 | 2016-11-03 | Colorado School Of Mines | Water/oil/gas emulsions/foams characterization using low field nuclear magnetic resonance |
| CN205426212U (en) * | 2016-02-03 | 2016-08-03 | 青岛海洋地质研究所 | Many physics of gas hydrate exploitation field evolution simulating measurement setup |
| CN107687336A (en) * | 2017-07-28 | 2018-02-13 | 中国地质调查局油气资源调查中心 | A kind of one-dimensional long tube model system of gas hydrates exploitation analogue experiment installation |
| CN107817131A (en) * | 2017-11-07 | 2018-03-20 | 防灾科技学院 | A kind of deep sea water and dissolved gas harvester and method |
| CN108593371A (en) * | 2018-07-17 | 2018-09-28 | 广州海洋地质调查局 | The de- solution collection device and method of solution gas in water body |
Non-Patent Citations (1)
| Title |
|---|
| 徐美: "《天然气水合物开发模拟实验装置评价与最优化研究》", 31 May 2012, 中国石油大学 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907336A (en) * | 2019-12-24 | 2020-03-24 | 江西省科学院能源研究所 | Experimental simulation device and method for determining distribution of hydrate in porous medium |
| WO2021159696A1 (en) * | 2020-08-06 | 2021-08-19 | 中国科学院广州能源研究所 | Reduced scale natural gas hydrate reservoir physical characteristics representation apparatus and method |
| WO2021159700A1 (en) * | 2020-08-06 | 2021-08-19 | 中国科学院广州能源研究所 | Full-size natural gas hydrate production well exploitation experimentation apparatus and method |
| US11566493B2 (en) | 2020-08-06 | 2023-01-31 | Guangzhou Institute Of Energy Conversion, Chinese Academy Of Sciences | Physical characterization device and method for scale model of natural gas hydrate reservoir |
| CN112858018A (en) * | 2021-01-08 | 2021-05-28 | 青岛海洋地质研究所 | Device and method for testing lateral pressure creep of hydrate-containing sediment |
| CN113187442A (en) * | 2021-04-30 | 2021-07-30 | 刘刚 | Sealing device for isolating and collecting cover |
| CN114278274A (en) * | 2021-12-28 | 2022-04-05 | 中国地质大学（北京） | Natural gas hydrate exploitation simulation device and method |
| CN114278274B (en) * | 2021-12-28 | 2023-05-26 | 中国地质大学（北京） | Natural gas hydrate exploitation simulation device and method |
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