CN107271349A - A kind of rock parameter assay method under supercritical carbon dioxide saturation - Google Patents
A kind of rock parameter assay method under supercritical carbon dioxide saturation Download PDFInfo
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- CN107271349A CN107271349A CN201710589332.1A CN201710589332A CN107271349A CN 107271349 A CN107271349 A CN 107271349A CN 201710589332 A CN201710589332 A CN 201710589332A CN 107271349 A CN107271349 A CN 107271349A
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 89
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 89
- 239000011435 rock Substances 0.000 title claims abstract description 67
- 238000003556 assay Methods 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 claims abstract description 126
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- 239000012530 fluid Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 22
- 238000002474 experimental method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 241000790917 Dioxys <bee> Species 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 229960004424 carbon dioxide Drugs 0.000 description 69
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of rock parameter assay method under supercritical carbon dioxide saturation, comprises the following steps：Rock material is processed into the test specimen of preliminary dimension, is positioned in seal rubber sleeve, the two ends of seal rubber sleeve are sheathed on left plug and right plug；Grip sleeve is sheathed on left plug, seal rubber sleeve and right plug, its two ends correspondence is mutually touched by left end set and right-hand member set with left plug, right plug, it forms a ring cavity between seal rubber sleeve, right plug can cover relative to right-hand member to be moved；Hydraulic oil is filled into ring cavity by the liquid injection hole opened up on the wall of grip sleeve side, and oil temperature is maintained into the temperature value of setting, the confined pressure for making hydraulic oil apply test specimen is in the confined pressure value of setting；Axial compressive force is applied to right plug, right plug is compressed test specimen；Inject supercritical carbon dioxide fluid in the filling passage of plug and right plug to the left respectively, and record the supercritical carbon dioxide fluid volume into test specimen；After off-test, the confined pressure and axle pressure of test specimen are removed, experiment is completed.
Description
Technical field
It is full in particular to a kind of supercritical carbon dioxide the invention belongs to hydrocarbon reservoir development and Geotechnical Engineering field
Rock parameter assay method with.
Background technology
In oil-gas mining operation, low hole, hypotonic characteristic due to shale gas reservoir, exploitation shale gas must carry out reservoir
Pressure break and anatonosis.Successfully the U.S. of exploitation shale gas mainly uses hydraulic fracturing technology at present, but the technology needs to consume a large amount of
Water resource, it is and serious to underground water pollution；Chinese shale clay content is universal higher simultaneously, and shale meets the expansive characteristic of water
Also reservoir reconstruction effect can be influenceed.In addition, the current explored shale gas reserves of China are distributed in water resource and compare shortage mostly
Basin, mountain area, these regions carry out shale gas exploitation also face water resource in terms of challenge.
Wherein, when the temperature and pressure of carbon dioxide is respectively at 31.10 DEG C and more than 7.38MPa, carbon dioxide will
Reach supercriticality.Because supercritical carbon dioxide has the diffusivity of similar gas and the density of liquid and dissolving power, together
When have the characteristics such as low viscosity, low surface tension concurrently, with superpower flowing, infiltration and transfer performance, clear water conduct can be replaced
Fracturing fluid.However, the research in terms of due to the theory of supercritical carbon dioxide pressure break shale and experiment is all also seldom, particularly lack
Weary corresponding experimental provision come simulate reservoir permeability during supercritical carbon dioxide pressure break shale, stress, strain change
Rule, limits application of the carbon dioxide in shale gas exploitation.
In view of this, the present inventor develops a kind of super according to the production design experiences for being engaged in this area and association area
Rock parameter assay method under critical carbon dioxide saturation, to solve the problem of prior art is present.
The content of the invention
The purpose of the present invention is to be to provide the rock parameter assay method under a kind of supercritical carbon dioxide saturation, can
Under simulated formation high temperature, high-stress state state, the correlative study of rock parameter under supercritical carbon dioxide is realized, subsequently should be
With creating conditions.
Therefore, the present invention proposes the rock parameter assay method under a kind of supercritical carbon dioxide saturation, it is applied to one
On clamping device, the clamping device includes a left plug, a seal rubber sleeve, a left plug and a grip sleeve, the left side
The rock parameter being formed with respectively in axial direction on plug and right plug under a filling passage, the supercritical carbon dioxide saturation is surveyed
Determine method following steps：
A) rock material is processed into the test specimen of preliminary dimension, is positioned in the seal rubber sleeve, the seal rubber sleeve
Two ends are sheathed on the left plug and right plug, set a porous backing plate respectively at the two ends of the test specimen, porous described in two
Backing plate correspondence and the end of the left plug and right plug fit；
B) grip sleeve is sheathed on the left plug, the seal rubber sleeve and the right plug, its two ends pair
Should mutually it be touched with the left plug, right plug by left end set and right-hand member set, it forms a ring cavity, institute between the seal rubber sleeve
Movement can be covered relative to the right-hand member by stating right plug；
C) hydraulic oil is filled into the ring cavity by the liquid injection hole opened up on the wall of the grip sleeve side, and oil temperature is tieed up
The temperature value in setting is held, the confined pressure for making hydraulic oil apply test specimen is in the confined pressure value of setting；
D) axial compressive force is applied to the right plug, the right plug is compressed the test specimen, until the axial compressive force reaches
To setting value；
E) filling passage respectively into the filling passage of the left plug and right plug injects overcritical with first pressure
CO 2 fluid, after the supercritical carbon dioxide in the test specimen reaches saturation, the injection pressure of the left closure is carried
Second pressure is risen to, stream of supercritical carbon dioxide amount is recorded；
F) after off-test, it is exhausted by the filling passage on left plug, and pass through the fluid injection of the grip sleeve
Hole discharge opeing, removes the confined pressure and axle pressure of the test specimen, according to the supercritical carbon dioxide fluid volume entered in the test specimen, meter
The supercritical carbon dioxide permeability of test specimen is calculated, experiment is completed.
The present invention also proposes the rock parameter assay method under a kind of supercritical carbon dioxide saturation, and it is applied to a clamping
On device, the clamping device includes a left plug, a seal rubber sleeve, a left plug and a grip sleeve, the left plug
And the rock parameter measure side under a filling passage, the supercritical carbon dioxide saturation is formed with right plug respectively in axial direction
Method following steps：
A) rock material is processed into the test specimen of preliminary dimension, is positioned in the seal rubber sleeve, the seal rubber sleeve
Two ends are sheathed on the left plug and right plug, set a porous backing plate respectively at the two ends of the test specimen, porous described in two
Backing plate correspondence and the end of the left plug and right plug fit；
B) grip sleeve is sheathed on the left plug, the seal rubber sleeve and the right plug, its two ends pair
Should mutually it be touched with the left plug, the right plug by left end set and right-hand member set, it forms a ring between the seal rubber sleeve
Chamber, the right plug can cover relative to the right-hand member to be moved；
C) hydraulic oil is filled into the ring cavity by the liquid injection hole opened up on the wall of the grip sleeve side, and oil temperature is tieed up
The temperature value in setting is held, the confined pressure that hydraulic oil applies to the test specimen is in predetermined confined pressure；
D) axial compressive force is applied to the right plug, the right plug is compressed the test specimen, afterwards, respectively to the left side
The filling passage of plug, the interior injection supercritical carbon dioxide fluid of filling passage of the right plug, make the carbon dioxide stream
Body enters in the test specimen, until the pore pressure in the test specimen reaches saturation；
E) axial compressive force is applied to the test specimen by the mobile right-hand member set, the test specimen is in the presence of axial compressive force
Deform, the axial shift measuring instrument set between the right plug is covered by the right-hand member, measure the right plug 4
Displacement, then obtain the decrement of the test specimen, wherein, in test process, record each axial pressure value of loading with
The corresponding axial compression amount of the test specimen；
F) according to loading axial compressive force and the record data of test specimen axial compression amount, the test specimen is calculated overcritical two
Modulus of elasticity and triaxial shear strength under carbonoxide saturation conditions.
Rock parameter assay method under supercritical carbon dioxide saturation as described above, wherein, the axial displacement is surveyed
Measuring device includes a LVDT sensors, a probe and a right side disk, and the LVDT sensors are embedded at the outer of the right-hand member set
On end face, the right side disk is socketed on the outer end of the right plug, and then the right side is fixed in grafting vertically to the probe
On disk, its one end is inserted in the LVDT sensors.
Rock parameter assay method under supercritical carbon dioxide saturation as described above, wherein, the two of the right-hand member set
End and the lateral surface of the right plug are mutually closely connected, a ring cavity are formed between the two, the lateral surface of the right plug is formed with one
The piston ring that the inwall covered with the right-hand member is in contact, a left chamber and a right chamber room, the right side are divided into by the ring cavity
End set lateral surface be connected with the inner wall sealing of the grip sleeve, offered on its side wall be connected with the right chamber room add
Orifice.
Rock parameter assay method under supercritical carbon dioxide saturation as described above, wherein, it is interior that the right-hand member covers
End port is formed with a ring portion mutually closely connected with the lateral surface of the right plug, and its outer end port passes through an inscribed right-hand member plug and institute
State right plug mutually closely connected.
Rock parameter assay method under supercritical carbon dioxide saturation as described above, wherein, pass through the filler port
The fluid injection into the right chamber room, the piston ring drives the right plug to be moved to the left chamber in the presence of hydraulic coupling,
So that the right plug moves to the test specimen and compresses the test specimen.
Rock parameter assay method under supercritical carbon dioxide saturation as described above, wherein, the left plug plus
Note passage, the filling passage of the right plug, the liquid injection hole and the filler port are separately installed with a pipeline conversion head, each institute
State and be plugged with a fluid injection pipeline at pipeline adapter respectively.
Rock parameter assay method under supercritical carbon dioxide saturation as described above, wherein, the porous backing plate is
One plectane, it is provided with a centre bore, and is circumferentially equipped with multiple axis holes, wherein, on the outer face of the porous backing plate, respectively
It is connected respectively by a conduit between the axis hole and the centre bore, between each adjacent axis hole.
Rock parameter assay method under supercritical carbon dioxide saturation as described above, wherein, in the grip sleeve
Heating mantle and temperature sensor are provided with, the heating mantle is located at the ring cavity, the temperature sensor is positioned over described add
In hot jacket.
Rock parameter assay method under supercritical carbon dioxide saturation as described above, wherein, the left end set and institute
State right-hand member set respectively by external screw thread with the grip sleeve to be connected, the left plug covers phase by external screw thread with the left end
Connection, wherein, the lateral surface of the left end set and right-hand member set, which is respectively formed with annular groove, the annular groove, is embedded with sealing
Part.Rock parameter assay method under the supercritical carbon dioxide saturation of the present invention, can apply axle pressure and confined pressure, mould to test specimen
Intend the high-stress state of formation rock, abundant simulated formation rock high temperature, high pressure, containing environmental qualities such as pore pressures so that
Experimental result more conforms to actual conditions under supercritical carbon dioxide.
Rock parameter assay method under the supercritical carbon dioxide saturation of the present invention, simple in construction, small volume, operation side
Just, can be under simulated formation high temperature, high-stress state, pressure condition containing hole, the supercritical carbon dioxide for completing rock core oozes
The measure of saturating rate and mechanics parameter.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the schematic appearance after present invention installation.
Fig. 2 is Fig. 1 sectional view.
Fig. 3 for right plug, right-hand member set and right-hand member plug etc. in the present invention mutual alignment schematic diagram.
Fig. 4 for the present invention in left plug, test specimen and right plug between mutual alignment relation schematic diagram.
Main element label declaration：
1 test specimen
The 2 left filling of plug 21 passages
The right plug of 3 seal rubber sleeve 4
The left chamber of 40 ring cavity 401
402 right chamber rooms 41 fill passage
The grip sleeve of 42 piston ring 5
The liquid injection hole of 501 ring cavity 502
51 left ends cover 52 right-hand member sets
The ring portion of 520 filler port 521
The fluid injection pipeline of 522 right-hand member plug 53
The axial shift measuring instrument of 54 annular groove 6
The probe of 61 LVDT sensors 62
The porous backing plate of 63 right side disk 7
The axis hole of 71 centre bore 72
73 conduits
Embodiment
The present invention proposes the rock parameter assay method under a kind of supercritical carbon dioxide saturation, and it is applied to a clamping dress
Put, the clamping device include a left plug, a seal rubber sleeve, a left plug and a grip sleeve, the left plug and
The rock parameter assay method under a filling passage, the supercritical carbon dioxide saturation is formed with right plug respectively in axial direction
Following steps：A) rock material is processed into the test specimen of preliminary dimension, is positioned in the seal rubber sleeve, the seal rubber sleeve
Two ends are sheathed on the left plug and right plug, set a porous backing plate respectively at the two ends of the test specimen, porous described in two
Backing plate correspondence and the end of the left plug and right plug fit；B) grip sleeve is sheathed on the left plug, institute
State on seal rubber sleeve and the right plug, its two ends correspondence covers mutually close with the left plug, right plug by left end set and right-hand member
Connect, it forms a ring cavity between the seal rubber sleeve, the right plug can cover relative to the right-hand member to be moved；C) clamping is passed through
The liquid injection hole opened up on sleeve side walls fills hydraulic oil into the ring cavity, and oil temperature is maintained into the temperature value of setting, makes liquid
Press oil the confined pressure value that setting is in the confined pressure that test specimen applies；D) axial compressive force is applied to the right plug, makes the right plug
The test specimen is compressed, until the axial compressive force reaches setting value；E) respectively into the filling passage of the left plug and right plug
Filling passage with first pressure inject supercritical carbon dioxide fluid, when the supercritical carbon dioxide in the test specimen reach it is full
With it is rear, by the injection boost in pressure of the left closure to second pressure, record stream of supercritical carbon dioxide amount；F) off-test
Afterwards, it is exhausted by the filling passage on left plug, and by the liquid injection hole discharge opeing of the grip sleeve, removes the test specimen
Confined pressure and axle pressure, according to the supercritical carbon dioxide fluid volume entered in the test specimen, the overcritical dioxy of calculation testing piece
Change carbon permeability, complete experiment.
The present invention also proposes the rock parameter assay method under a kind of supercritical carbon dioxide saturation, and it is applied to a clamping
On device, the clamping device includes a left plug, a seal rubber sleeve, a left plug and a grip sleeve, the left plug
And the rock parameter measure side under a filling passage, the supercritical carbon dioxide saturation is formed with right plug respectively in axial direction
Method following steps：A) rock material is processed into the test specimen of preliminary dimension, is positioned in the seal rubber sleeve, the seal rubber sleeve
Two ends be sheathed on the left plug and right plug, a porous backing plate is set respectively at the two ends of the test specimen, it is many described in two
Hole backing plate correspondence and the end of the left plug and right plug fit；B) by the grip sleeve be sheathed on the left plug,
On the seal rubber sleeve and the right plug, its two ends correspondence is stifled by left end set and right-hand member set and the left plug, the right side
Head mutually touches, and it forms a ring cavity between the seal rubber sleeve, and the right plug can cover relative to the right-hand member to be moved；C) by institute
State the liquid injection hole opened up on the wall of grip sleeve side and hydraulic oil is filled into the ring cavity, and oil temperature is maintained to the temperature of setting
Value, makes the confined pressure that hydraulic oil applies to the test specimen be in predetermined confined pressure；D) axial compressive force is applied to the right plug, made described
Right plug compresses the test specimen, afterwards, is injected respectively into the filling passage of the left plug, the filling passage of the right plug
Supercritical carbon dioxide fluid, makes the CO 2 fluid enter in the test specimen, until the pore pressure in the test specimen
Reach saturation；E) axial compressive force, effect of the test specimen in axial compressive force are applied to the test specimen by the mobile right-hand member set
Under deform, the axial shift measuring instrument set between the right plug is covered by the right-hand member, measures described right stifled
First 4 displacement, then obtains the decrement of the test specimen, wherein, in test process, record the axial pressure value of each loading
Axial compression amount corresponding with the test specimen；F) according to loading axial compressive force and the record data of test specimen axial compression amount, calculate
Go out modulus of elasticity and triaxial shear strength of the test specimen under supercritical carbon dioxide saturation conditions.
Rock parameter assay method under the supercritical carbon dioxide saturation of the present invention, can be in simulated formation high temperature, height
Under stress state and pressure condition containing hole, the correlative study of rock parameter under supercritical carbon dioxide is realized, subsequently should be
With creating conditions.
Therefore, in order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, below in conjunction with accompanying drawing and
Preferred embodiment, to the specific embodiment party of the rock parameter assay method under supercritical carbon dioxide saturation proposed by the present invention
Formula, structure, feature and effect, are described in detail as after.In addition, by the explanation of embodiment, when can be to the present invention up to
The technological means and effect taken into predetermined purpose are able to more deeply specific understanding, but institute's accompanying drawing is only to provide reference
Used with explanation, not for being any limitation as to the present invention.Wherein, identical part uses identical label
Fig. 1 is the schematic appearance after present invention installation.Fig. 2 is Fig. 1 sectional view.Fig. 3 is right plug, the right side in the present invention
The mutual alignment schematic diagram of end set and right-hand member plug etc..Fig. 4 is mutual between left plug, test specimen and the right plug in the present invention
The schematic diagram of position relationship.
Embodiment one
As shown in Figure 1, Figure 2 and shown in Fig. 4, the rock parameter measure side under supercritical carbon dioxide saturation proposed by the present invention
Method, it is applied on a clamping device, the supercritical carbon dioxide permeability of rock sample can be tested.The clamping dress
Put including a left plug 2, a seal rubber sleeve 3, a left grip sleeve 5 of plug 4 and one, on the left plug 2 and right plug 4 point
It has not been axially formed below the rock parameter assay method under a filling passage 21,41, the supercritical carbon dioxide saturation
Step：
A) rock material is processed into the test specimen (rock core) 1 of preliminary dimension, is positioned in the seal rubber sleeve 3, it is described close
The two ends of sealing set 3 are sheathed on the left plug 2 and right plug 4, and a porous backing plate is set respectively at the two ends of the test specimen 1
7, the porous correspondence of backing plate 7 described in two and the end of the left plug 2 and right plug 4 fit；
B) grip sleeve 5 is sheathed on the left plug 2, the seal rubber sleeve 3 and the right plug 4, it two
End correspondence is covered by left end set 51 and right-hand member 52 mutually touches with the left plug 2, right plug 4, itself and described 3 shapes of seal rubber sleeve
Into a ring cavity 501, the right plug 4 can be moved relative to right-hand member set 52；
C) hydraulic oil is filled into the ring cavity 501 by the liquid injection hole 502 opened up on the side wall of grip sleeve 5, and
Oil temperature is maintained to the temperature value of setting, the confined pressure for making hydraulic oil apply the test specimen 1 is in the confined pressure value of setting, wherein,
It is preferred that the temperature of hydraulic oil is more than 31.10 DEG C, such as it is 35 DEG C；
D) axial compressive force (axle pressure) is applied to the test specimen 1 by the right plug 4, until the axial compressive force reaches setting
Value；
E) respectively into the filling passage of the left plug 2 and right plug 4 with first pressure (such as P1=7.38MPa) note
Enter supercritical carbon dioxide fluid, after the supercritical carbon dioxide in the test specimen 1 reaches saturation, by the note of the left closure
Enter boost in pressure to second pressure (such as P2=10MPa), stream of supercritical carbon dioxide amount Q is recorded, wherein, in actual experiment
When, can be by setting cmf record to enter the CO 2 fluid volume of test specimen on pipeline；
F) after off-test, it is exhausted by the filling passage 21 on left plug 2, and passes through the grip sleeve 5
The discharge opeing of liquid injection hole 502, removes the confined pressure and axle pressure of the test specimen 1, according to the stream of supercritical carbon dioxide entered in the test specimen 1
Body volume and test specimen volume, the supercritical carbon dioxide permeability of calculation testing piece complete experiment.
Specifically, above-mentioned data are passed through into following known computing permeability formula manipulation：
K=2000*P2*QuL/A(P2 2-P2 1), wherein：K-permeability, 10-3μm2；P1、P2Pressure at-test specimen two ends
Value, MPa；L-piece lengths, mm；A-test specimen cross-sectional area, mm2；U-supercritical carbon dioxide viscosity, mpas；Q-stream
Speed, cm3/s。
In above-mentioned experiment, if supercritical carbon dioxide saturation pressure is 7.38MPa, fluid is penetrated in test specimen 1
Pressure should be greater than 7.38MPa, and due to being sealed between seal rubber sleeve and left end set, right-hand member set by compressing, therefore confined pressure value should be long-range
In 7.38MPa；Test specimen axle pressure is defined without determining to require by compressing test specimen, because test specimen axle presses the stress difference between confined pressure
When larger, test specimen can be caused to produce certain damage, therefore axle pressure should not differ too big with the numerical value between confined pressure.Wherein, in tool
When body is applied, the carbon dioxide of outflow can be cooled to liquid, be then pressurized to 7.5MPa, then be heated to 35 DEG C,
Supercriticality will be presented in carbon dioxide now.
Embodiment two
Rock parameter assay method under supercritical carbon dioxide saturation proposed by the present invention, can be in supercritical carbon dioxide
The modulus of elasticity and triaxial shear strength of experimental rock material under saturation conditions.Identical with embodiment one, the present invention is applied to
On one clamping device, for ease of narration, identical part employs identical title herein.It is left stifled that the clamping device includes one
Formed respectively in axial direction on first 2, one seal rubber sleeve 3, a left grip sleeve 5 of plug 4 and one, the left plug 2 and right plug 4
There are the rock parameter assay method following steps under a filling passage 21,41, the supercritical carbon dioxide saturation：
A) rock material is processed into the test specimen (rock core) 1 of preliminary dimension, is positioned in the seal rubber sleeve 3, it is described close
The two ends of sealing set 3 are sheathed on the left plug 2 and right plug 4, and a porous backing plate is set respectively at the two ends of the test specimen 1
7, the porous correspondence of backing plate 7 described in two and the end of the left plug 2 and right plug 4 fit；
B) grip sleeve 3 is sheathed on the left plug 2, the seal rubber sleeve 3 and the right plug 4, it two
End correspondence is covered by left end set 51 and right-hand member 52 mutually touches with the left plug 2, the right plug 4, itself and the seal rubber sleeve
Between form a ring cavity, the right plug can cover relative to the right-hand member to be moved；
C) liquid injection hole 502 opened up by the side wall of grip sleeve 5 fills hydraulic oil into the ring cavity 501, and
Oil temperature is maintained to the temperature value of setting, the confined pressure that hydraulic oil applies to the test specimen 1 is in predetermined confined pressure；
D) axial compressive force (axle pressure) is applied to the right plug 4, the right plug 4 is compressed the test specimen 1, afterwards, point
Not supercritical carbon dioxide fluid is injected into the filling passage 21, the filling passage 41 of the right plug 4 of the left plug 2,
The CO 2 fluid is set to enter in the test specimen 1, until the pore pressure in the test specimen 1 reaches saturation, wherein, in reality
, can be by installing the modes such as pressure sensor at filling passage, seal rubber sleeve or test specimen, to judge test specimen hole when border is tested
Pressure whether saturation, i.e., when CO 2 fluid pressure stability does not change, the pore pressure at the test specimen is to reach
Set pressure；
E) 52 pairs of test specimens 1 are covered by the mobile right-hand member and applies axial compressive force, work of the test specimen 1 in axial compressive force
Deformed under, the axial shift measuring instrument set between 52 and the right plug 4 is covered by the right-hand member, measurement is described
The displacement of right plug 4, then obtains the decrement of the test specimen, wherein, in test process, record each loading axial compressive force
Numerical value axial compression amount corresponding with the test specimen,；
F) according to loading axial compressive force and the record data of test specimen axial compression amount, using corresponding formula, institute is calculated
State modulus of elasticity and triaxial shear strength of the test specimen 1 under supercritical carbon dioxide saturation conditions.
Specifically, above-mentioned data are handled by following modulus of elasticity and compression strength calculation formula：
σu=Pmax/ A, wherein：σu- triaxial shear strength, MPa；Pmax- axial direction maximum load, N；A-initial test specimen is horizontal
Sectional area, mm2。
E=Δs σ50%/Δξ1, wherein：E-modulus of elasticity, MPa；Δσ50%- axial stress is poor；Δξ1- axial strain
Difference, dimensionless.
Wherein, after gathered data terminates, after off-test, the filling passage 21,41 on left plug 2 and right plug 4 is passed through
It is exhausted, and by the discharge opeing of liquid injection hole 520 of the grip sleeve 52, to remove the confined pressure and axle pressure of the test specimen 1, completes
Experiment.
As shown in figure 3, the axial shift measuring instrument 6 includes a LVDT sensors 61, a probe 62 and a right side
Disk 63, the LVDT sensors 61 are embedded on the outer face of the right-hand member set 52, and the right side disk 63 is socketed on described right stifled
On first 4 outer end, the probe 62 then be fixed on the right side disk 63 by grafting vertically, and its one end inserts the LVDT sensings
In device 61.Wherein, (the English full name Linear Variable Differential of LVDT sensors 61
Transformer it is) linear variable difference transformer abbreviation, belongs to linear displacement transducer, when in use plug in the probe
Enter in its measured hole, as composition structure and working principle of the LVDT sensors 61 etc., due to being prior art,
This is repeated no more.
In real work, when the right plug 4 is moved relative to right-hand member set 12, the related institute of right side disk 63
State probe 62 to move in the lump, and the LVDT sensors 61 are by detecting shift length of the probe 62 inside it, can be with
The displacement of the right plug 4 is obtained, and then draws the decrement of test specimen 1.
In the respective embodiments described above, the two ends of the right-hand member set 52 and the lateral surface of the right plug 4 are mutually closely connected, both
Between be formed with a ring cavity 40, the lateral surface of the right plug 4 is formed with the work that an inwall for covering 52 with the right-hand member is in contact
Plug ring 42, a left chamber 401 and a right chamber room 402, the lateral surface of the right-hand member set 52 and institute are divided into by the ring cavity 40
State and offer the filler port 520 being connected with the right chamber room 402 on the inner wall sealing connection of grip sleeve 5, its side wall.In reality
In testing, by covering 52 fluid injection of filler port 520 to the right-hand member, 4 pairs of the right plug test specimen 1 is set to apply axial compressive force,
The test specimen 1 deforms in the presence of axial compressive force, and measures the right plug 4 by above-mentioned axial shift measuring instrument
Displacement, then obtain the decrement of the test specimen.Wherein, in specific experiment, flow velocity that can be certain is to the filling
Fluid injection in hole 520, makes right plug 4 be loaded with 0.01mm/min loading velocity to test specimen, is easy to follow-up calculating.
Wherein, the inner port of the right-hand member set 52 is formed with a ring portion mutually closely connected with the lateral surface of the right plug 4
521, its outer end port is mutually closely connected by an inscribed right-hand member plug 522 and the right plug 4.
It is preferred that also passage 21, the filling passage 41 of the right plug 4, the fluid injection can be filled in the left plug 2
Hole 502 and the filler port 520 are separately installed with a pipeline conversion head, each pipeline adapter and are plugged with a fluid injection respectively
Pipeline 53.
In addition, operationally, pressure sensor monitoring can be also set at the ring cavity 501, the liquid injection hole 502 in advance
Pressure sensor monitoring is set to surpass at confined pressure, the filling passage 21, the filling passage 41 of the right plug 4 in the left plug 2
Critical carbon dioxide pressure, in order to subsequent job.
Thus, by the filler port 520 fluid injection into the right chamber room 402, the piston in the presence of hydraulic coupling
Ring 42 drives the right plug 4 to be moved to the left chamber 401, so that the right plug 4 compresses the test specimen 1, until examination
Axial compressive force on part reaches setting value.As for specific numerical value, can as needed depending on, such as in above-mentioned embodiment two
In, the pretightning force of right 4 pairs of test specimens of plug can be set to 0.1KN.
In the respective embodiments described above, as illustrated, it is preferred that filling passage 21, the right plug 4 of the left plug 2
Filling passage 41, the liquid injection hole 502 and the filler port 520 are separately installed with a pipeline conversion head, each pipeline switching
A fluid injection pipeline 53 is plugged with respectively at head.
In the respective embodiments described above, the porous backing plate 7 is a plectane, and it is provided with a centre bore 71, and circumferentially ring
Provided with multiple axis holes 72, wherein, on the outer face of the porous backing plate 7, between each axis hole 72 and the centre bore 71,
It is connected respectively by a conduit 73 between each adjacent axis hole 72, for shunting the fluid into for the centre bore 71 will to be flowed into
On axis hole, fluid is set fully to be contacted with test specimen.
In the respective embodiments described above, heating mantle (not shown) and temperature are provided with preferably described grip sleeve 5
Sensor (not shown), the heating mantle is located at the ring cavity 501, and the temperature sensor is positioned over the heating mantle
It is interior, be conducive to the insulation to hydraulic oil in the grip sleeve 5.Pass through liquid injection hole 502 to the ring cavity in practical application, working as
Injected in 501 after hydraulic oil, the temperature of hydraulic oil can be monitored in real time by the temperature sensor, and by heating mantle to liquid
Force feed is heated, and hydraulic oil is in suitable temperature, is able to maintain that stabilization., can be by the heating mantle in specific install
It is installed in the grip sleeve 5, and the temperature sensor is arranged in the heating mantle, makes heating process more equal
Even, monitoring temperature is more accurate, meanwhile, directly can be worn on the side wall of the grip sleeve 5 wire respectively with TEMP
Device and heating mantle connection, and be connected in corresponding monitoring device, it is easy to use.
In the respective embodiments described above, in order that each part closely coupled can connect, the preferential left end set 51 and the right side
End set 52 is connected by external screw thread with the grip sleeve 5 respectively, and the left plug 2 passes through external screw thread and left end set 51
It is connected, in specific assembling, after the left plug 2 and the socket of seal rubber sleeve 3, the left end set 51 can be threaded directly into
It is interior, it is easy for installation；
Wherein, the lateral surface of the left end set 51 and right-hand member set 52 is respectively formed with annular groove 54, the annular groove 54
Seal (not indicated in figure) is embedded with, to improve the sealing property of each part joint.
In an experiment, it is cylindrical rock (rock core) that the test specimen 1, which may be selected, and its a diameter of 38mm, length are the 2 of diameter
~2.5 times；Can be easy to use by plunger pump to liquid injection hole 502 and the fluid injection of filler port 520.
In an experiment, wherein, in actual use, the seal rubber sleeve, seal are preferred to use using the burn into of resistance to strong acid
Resistant to elevated temperatures material is made, such as polytetrafluoroethylene (PTFE).
Rock parameter assay method under the supercritical carbon dioxide saturation of the present invention, can apply axle pressure with enclosing to test specimen
Pressure, simulates the high-stress state of formation rock, abundant simulated formation rock high temperature, high pressure, containing environmental qualities such as pore pressures,
So that experimental result more conforms to actual conditions under supercritical carbon dioxide.
Rock parameter assay method under the supercritical carbon dioxide saturation of the present invention, simple in construction, small volume, operation side
Just, can be under simulated formation high temperature, high-stress state, pressure condition containing hole, the supercritical carbon dioxide for completing rock core oozes
The measure of saturating rate and mechanics parameter.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, the equivalent variations made on the premise of the design of the present invention and principle is not departed from and modification, all should
Belong to the scope of protection of the invention.
Claims (10)
1. the rock parameter assay method under a kind of supercritical carbon dioxide saturation, it is applied on a clamping device, the folder
Holding device is included on a left plug, a seal rubber sleeve, a left plug and a grip sleeve, the left plug and right plug respectively
It has been axially formed the rock parameter assay method following steps under a filling passage, the supercritical carbon dioxide saturation：
A) rock material is processed into the test specimen of preliminary dimension, is positioned in the seal rubber sleeve, the two ends of the seal rubber sleeve
It is sheathed on the left plug and right plug, a porous backing plate is set respectively at the two ends of the test specimen, porous backing plate described in two
Correspondence and the end of the left plug and right plug fit；
B) grip sleeve is sheathed on the left plug, the seal rubber sleeve and the right plug, its two ends correspondence is logical
Cross left end set and right-hand member set mutually touches with the left plug, right plug, it forms a ring cavity, the right side between the seal rubber sleeve
Plug can cover relative to the right-hand member to be moved；
C) hydraulic oil is filled into the ring cavity by the liquid injection hole opened up on the wall of the grip sleeve side, and oil temperature is maintained
The temperature value of setting, the confined pressure for making hydraulic oil apply test specimen is in the confined pressure value of setting；
D) axial compressive force is applied to the right plug, the right plug is compressed the test specimen, until the axial compressive force reaches and set
Definite value；
E) filling passage respectively into the filling passage of the left plug and right plug injects overcritical dioxy with first pressure
Change carbon flow body, after the supercritical carbon dioxide in the test specimen reaches saturation, by the injection boost in pressure of the left closure extremely
Second pressure, records stream of supercritical carbon dioxide amount；
F) after off-test, it is exhausted, and is arranged by the liquid injection hole of the grip sleeve by the filling passage on left plug
Liquid, removes the confined pressure and axle pressure of the test specimen, according to the supercritical carbon dioxide fluid volume entered in the test specimen, calculates examination
The supercritical carbon dioxide permeability of part, completes experiment.
2. the rock parameter assay method under a kind of supercritical carbon dioxide saturation, it is applied on a clamping device, the folder
Holding device is included on a left plug, a seal rubber sleeve, a left plug and a grip sleeve, the left plug and right plug respectively
It has been axially formed the rock parameter assay method following steps under a filling passage, the supercritical carbon dioxide saturation：
A) rock material is processed into the test specimen of preliminary dimension, is positioned in the seal rubber sleeve, the two ends of the seal rubber sleeve
It is sheathed on the left plug and right plug, a porous backing plate is set respectively at the two ends of the test specimen, porous backing plate described in two
Correspondence and the end of the left plug and right plug fit；
B) grip sleeve is sheathed on the left plug, the seal rubber sleeve and the right plug, its two ends correspondence is logical
Cross left end set and right-hand member set mutually touches with the left plug, the right plug, it forms a ring cavity, institute between the seal rubber sleeve
Movement can be covered relative to the right-hand member by stating right plug；
C) hydraulic oil is filled into the ring cavity by the liquid injection hole opened up on the wall of the grip sleeve side, and oil temperature is maintained
The temperature value of setting, makes the confined pressure that hydraulic oil applies to the test specimen be in predetermined confined pressure；
D) axial compressive force is applied to the right plug, the right plug is compressed the test specimen, afterwards, respectively to the left plug
Filling passage, the right plug filling passage in injection supercritical carbon dioxide fluid, enter the CO 2 fluid
Enter in the test specimen, until the pore pressure in the test specimen reaches saturation；
E) axial compressive force is applied to the test specimen by the mobile right-hand member set, the test specimen occurs in the presence of axial compressive force
Deformation, the axial shift measuring instrument set between the right plug is covered by the right-hand member, measures the position of the right plug 4
Shifting amount, then obtains the decrement of the test specimen, wherein, in test process, record each axial pressure value of loading with it is described
The corresponding axial compression amount of test specimen；
F) according to loading axial compressive force and the record data of test specimen axial compression amount, the test specimen is calculated in overcritical titanium dioxide
Modulus of elasticity and triaxial shear strength under carbon saturation conditions.
3. the rock parameter assay method under supercritical carbon dioxide saturation as claimed in claim 2, it is characterised in that described
Axial shift measuring instrument includes a LVDT sensors, a probe and a right side disk, and the LVDT sensors are embedded at described
On the outer face of right-hand member set, the right side disk is socketed on the outer end of the right plug, and the probe then fix vertically by grafting
In on the right side disk, its one end is inserted in the LVDT sensors.
4. the rock parameter assay method under supercritical carbon dioxide saturation as claimed in claim 1 or 2, it is characterised in that
The two ends of the right-hand member set and the lateral surface of the right plug are mutually closely connected, and a ring cavity is formed between the two, the right plug
Lateral surface is formed with the piston ring that an inwall covered with the right-hand member is in contact, and the ring cavity is divided into a left chamber and one
Right chamber room, the lateral surface of the right-hand member set is connected with the inner wall sealing of the grip sleeve, is offered on its side wall and the right side
The filler port that chamber is connected.
5. the rock parameter assay method under supercritical carbon dioxide saturation as claimed in claim 4, it is characterised in that described
The inner port of right-hand member set is formed with a ring portion mutually closely connected with the lateral surface of the right plug, and its outer end port is by being inscribed one
Right-hand member plug and the right plug are mutually closely connected.
6. the rock parameter assay method under supercritical carbon dioxide saturation as claimed in claim 5, it is characterised in that pass through
Filler port fluid injection into the right chamber room, the piston ring drives the right plug to the left side in the presence of hydraulic coupling
Chamber is moved, so that the right plug moves to the test specimen and compresses the test specimen.
7. the rock parameter assay method under supercritical carbon dioxide saturation as claimed in claim 1 or 2, it is characterised in that
Filling passage, the filling passage of the right plug, the liquid injection hole and the filler port of the left plug are separately installed with one
A fluid injection pipeline is plugged with respectively at pipeline conversion head, each pipeline adapter.
8. the rock parameter assay method under supercritical carbon dioxide saturation as claimed in claim 1 or 2, it is characterised in that
The porous backing plate is a plectane, and it is provided with a centre bore, and is circumferentially equipped with multiple axis holes, wherein, in the porous pad
On the outer face of plate, it is connected respectively by a conduit between each axis hole and the centre bore, between each adjacent axis hole
It is logical.
9. the rock parameter assay method under supercritical carbon dioxide saturation as claimed in claim 1 or 2, it is characterised in that
Heating mantle and temperature sensor are provided with the grip sleeve, the heating mantle is located at the ring cavity, the TEMP
Device is positioned in the heating mantle.
10. the rock parameter assay method under supercritical carbon dioxide saturation as claimed in claim 1 or 2, it is characterised in that
The left end set and right-hand member set are connected by external screw thread with the grip sleeve respectively, and the left plug passes through external screw thread
It is connected with the left end set, wherein, the lateral surface of the left end set and right-hand member set is respectively formed with annular groove, the annular groove
Inside it is embedded with seal.
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| CN201710589332.1A CN107271349A (en) | 2017-07-19 | 2017-07-19 | A kind of rock parameter assay method under supercritical carbon dioxide saturation |
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|---|---|---|---|
| CN201710589332.1A CN107271349A (en) | 2017-07-19 | 2017-07-19 | A kind of rock parameter assay method under supercritical carbon dioxide saturation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398370A (en) * | 2018-04-25 | 2018-08-14 | 山东科技大学 | A kind of experimental rig and test method measuring coal deformation process when gas flows |
| CN108562498A (en) * | 2018-04-24 | 2018-09-21 | 中国科学院地球化学研究所 | A kind of device and its application method for axial compression test under high temperature and pressure |
| CN108593492A (en) * | 2018-04-27 | 2018-09-28 | 河南理工大学 | It is a kind of to sentence the system and method for knowing gas adsorption desorption advantage field strength |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446542A (en) * | 2008-12-15 | 2009-06-03 | 南通市飞宇石油科技开发有限公司 | Triaxial core holder |
| CN101975735A (en) * | 2010-09-09 | 2011-02-16 | 西北工业大学 | Device for measuring permeability of porous materials in multi-field coupling and measuring method thereof |
| CN201803962U (en) * | 2010-08-05 | 2011-04-20 | 中国石油天然气股份有限公司 | Heterogeneous model computed tomography (CT) scan simulation device |
| CN103543092A (en) * | 2013-10-31 | 2014-01-29 | 山东科技大学 | Rock core clamp holder capable of simulating complex migration process of formation fluid and using method of rock core clamp holder |
| CN104596905A (en) * | 2014-12-31 | 2015-05-06 | 西南石油大学 | Device and method for measuring permeability of rock in fracturing process |
| CN104596854A (en) * | 2014-12-31 | 2015-05-06 | 西南石油大学 | Device and method for testing tri-axial strength of rock under supercritical carbon dioxide condition |
| CN105223122A (en) * | 2015-10-30 | 2016-01-06 | 南通市飞宇石油科技开发有限公司 | A kind of bolt-type core holding unit |
| CN105842425A (en) * | 2016-05-23 | 2016-08-10 | 青岛中瑞泰软控技术有限公司 | Core holding unit and dynamic filtrate loss test unit |
| CN106248545A (en) * | 2015-06-04 | 2016-12-21 | 中国石油化工股份有限公司 | The determinator of the Test Liquid Permeability of Core of tight rock and method under reservoir conditions |
-
2017
- 2017-07-19 CN CN201710589332.1A patent/CN107271349A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446542A (en) * | 2008-12-15 | 2009-06-03 | 南通市飞宇石油科技开发有限公司 | Triaxial core holder |
| CN201803962U (en) * | 2010-08-05 | 2011-04-20 | 中国石油天然气股份有限公司 | Heterogeneous model computed tomography (CT) scan simulation device |
| CN101975735A (en) * | 2010-09-09 | 2011-02-16 | 西北工业大学 | Device for measuring permeability of porous materials in multi-field coupling and measuring method thereof |
| CN103543092A (en) * | 2013-10-31 | 2014-01-29 | 山东科技大学 | Rock core clamp holder capable of simulating complex migration process of formation fluid and using method of rock core clamp holder |
| CN104596905A (en) * | 2014-12-31 | 2015-05-06 | 西南石油大学 | Device and method for measuring permeability of rock in fracturing process |
| CN104596854A (en) * | 2014-12-31 | 2015-05-06 | 西南石油大学 | Device and method for testing tri-axial strength of rock under supercritical carbon dioxide condition |
| CN106248545A (en) * | 2015-06-04 | 2016-12-21 | 中国石油化工股份有限公司 | The determinator of the Test Liquid Permeability of Core of tight rock and method under reservoir conditions |
| CN105223122A (en) * | 2015-10-30 | 2016-01-06 | 南通市飞宇石油科技开发有限公司 | A kind of bolt-type core holding unit |
| CN105842425A (en) * | 2016-05-23 | 2016-08-10 | 青岛中瑞泰软控技术有限公司 | Core holding unit and dynamic filtrate loss test unit |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562498A (en) * | 2018-04-24 | 2018-09-21 | 中国科学院地球化学研究所 | A kind of device and its application method for axial compression test under high temperature and pressure |
| CN108562498B (en) * | 2018-04-24 | 2024-02-27 | 中国科学院地球化学研究所 | Device for high-temperature high-pressure axial compression test and application method thereof |
| CN108398370A (en) * | 2018-04-25 | 2018-08-14 | 山东科技大学 | A kind of experimental rig and test method measuring coal deformation process when gas flows |
| CN108398370B (en) * | 2018-04-25 | 2024-03-22 | 山东科技大学 | Test device and test method for measuring deformation process of coal body during gas flow |
| CN108593492A (en) * | 2018-04-27 | 2018-09-28 | 河南理工大学 | It is a kind of to sentence the system and method for knowing gas adsorption desorption advantage field strength |
| CN109870349A (en) * | 2019-03-29 | 2019-06-11 | 中国矿业大学 | A kind of high temperature and pressure hydraulic pressure fracturing clamper and its test method |
| CN109870349B (en) * | 2019-03-29 | 2023-10-27 | 中国矿业大学 | High-temperature high-pressure hydraulic fracturing clamp holder and test method thereof |
| CN110057739A (en) * | 2019-04-28 | 2019-07-26 | 太原理工大学 | High temperature and pressure coal petrography supercritical carbon dioxide pressure break-creep-seepage flow test device |
| CN110346449A (en) * | 2019-05-24 | 2019-10-18 | 南通市中京机械有限公司 | Sound wave clamper |
| CN114252378A (en) * | 2020-09-24 | 2022-03-29 | 青岛石大华通科技有限公司 | High-temperature and high-pressure clamp holder and using method thereof |
| CN114660266A (en) * | 2022-03-21 | 2022-06-24 | 西安交通大学 | Test system for simulating in-situ pyrolysis oil extraction gas of underground organic rock and working method |
| CN114660266B (en) * | 2022-03-21 | 2023-05-16 | 西安交通大学 | Test system for simulating in-situ pyrolysis of underground organic rock to extract oil and gas and working method |
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Application publication date: 20171020 |