CN206311599U - A kind of shale reservoir diagenetic results of fracture simulation experimental provision - Google Patents
A kind of shale reservoir diagenetic results of fracture simulation experimental provision Download PDFInfo
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- CN206311599U CN206311599U CN201621272262.4U CN201621272262U CN206311599U CN 206311599 U CN206311599 U CN 206311599U CN 201621272262 U CN201621272262 U CN 201621272262U CN 206311599 U CN206311599 U CN 206311599U
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Abstract
The utility model provides a kind of shale reservoir diagenetic results of fracture simulation experimental provision.The device includes：Reative cell, the sample for the experiment of shale reservoir diagenetic results of fracture simulation is reacted；Burden pressure loading equipemtn is connected with reative cell, the lithostatic pressure for controlling reaction indoor sample；Temperature control device is connected with reative cell, for controlling and adjusting reaction temperature；Pressure display unit is connected with reative cell, for showing and recording the pressure change in reative cell；Temperature display unit is connected with reative cell, for showing and recording the temperature change in reative cell；Computer terminal is connected with burden pressure loading equipemtn, temperature control device, pressure display unit, temperature display unit respectively, for overall control and data record.The said apparatus that the utility model is provided can study the formation rule of the shale Reservoir Fracture of original fine-grained sediment.
Description
Technical field
The utility model is related to a kind of analogue experiment installation, more particularly to a kind of shale reservoir diagenetic results of fracture simulation experiment dress
Put, belong to technical field of petroleum extraction.
Background technology
In 21 century, production and living under modern science and technology guiding are to the demand rapid growth of the energy, at this stage, fossil fuel
Irreplaceable status is still within, as the quick of exploitation of oil is carried out, global conventional gas and oil resource reserve is quickly reduced,
Shale gas, fine and close oil, the exploitation of tight gas are increasingly taken seriously.And shale gas, the fine and close oily, exploitation of tight gas are still within
, also there are many blind spots to the cognition of fine and close shale reservoir in foundation phase.
Wherein, shale oil gas turns into the important engine of current development of oil industry, and the Fracture System of extensive development is shale
The key that oil gas can be employed effectively.Diagenesis is stitched and build joint is the main types of fractures of such reservoir, and wherein diagenesis seam is page
The fine fisssure formed due to the contraction of mud shale diagenesis or Organic Material Thermal Evolution effect generation volumetric expansion in rock diagenetic process
Seam.
But the problem of modelling on shale reservoir diagenetic crack never has development further investigation.By what is stitched to diagenesis
Simulation, can not only study formation effect of the different reservoir condition to fine and close shale crack, counter can also push away reservoir formation development
History, develops with important guidance and evidence meaning to survey region construction.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of shale reservoir diagenetic results of fracture simulation
Experimental provision, the device can study original fine-grained sediment under the conditions of different shale reservoir temperatures, make by long-term geology
With the formation rule of lower shale Reservoir Fracture, while can be used to counter push away reservoir formation Development History.
In order to realize above-mentioned technical purpose, the utility model provides a kind of shale reservoir diagenetic results of fracture simulation and tests dress
Put, the shale reservoir diagenetic results of fracture simulation experimental provision includes：Reative cell, burden pressure loading equipemtn, temperature control device, pressure show
Show unit, temperature display unit and computer terminal；
Wherein, burden pressure loading equipemtn is connected with reative cell；
Temperature control device is connected with reative cell；
Pressure display unit is connected with reative cell；
Temperature display unit is connected with reative cell；
Computer terminal connects with burden pressure loading equipemtn, temperature control device, pressure display unit, temperature display unit respectively
Connect.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that be provided with reative cell anti-
Answer kettle and constant temperature electric furnace.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that set in constant temperature electric furnace
It is equipped with silicon carbide hearth.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that set outside silicon carbide hearth
There is the outer thorax of aluminium alloy.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that set outside the outer thorax of aluminium alloy
There is asbestos packing sheet.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that set outside asbestos packing sheet
There is stainless steel casing.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that the surface of silicon carbide hearth
It is provided with nichrome wire.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that nichrome wire is winding
Mode is arranged at the outer surface of silicon carbide hearth.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that outside constant temperature electric furnace
Portion sets two jacks, and sensor is respectively arranged with two jacks.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that jack is located at silicon carbide furnace
The middle part of thorax side wall.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, reative cell, for shale reservoir diagenetic
The sample of results of fracture simulation experiment is reacted；
Burden pressure loading equipemtn is connected with reative cell, the lithostatic pressure for controlling reaction indoor sample；
Temperature control device is connected with reative cell, for controlling and adjusting reaction temperature；
Pressure display unit is connected with reative cell, for showing and recording the pressure change in the reative cell；
Temperature display unit is connected with reative cell, for showing and recording the temperature change in the reative cell；
Computer terminal connects with burden pressure loading equipemtn, temperature control device, pressure display unit, temperature display unit respectively
Connect, for overall control and data record.
According to specific embodiment of the present utility model, reactor as reative cell reaction unit, shale reservoir diagenetic
The sample (solid fine grain deposit and required liquid) of results of fracture simulation experiment is reacted wherein.The kettle of the reactor of use
Using titanium chrome-nickel as shell, annular groove end face seal plus radial seal are carried out using resistant to elevated temperatures fluorine glue O-ring top is lived
Plug sealing；The kettle liner of reactor uses polyimides lining, inner wall of kettle is had good finish, is conducive to piston
Run up and down and ensure sealing.Kettle a diameter of 10cm, a height of 5cm, with hardness it is big, fusing point is high, corrosion resistance is strong
Feature.
According to specific embodiment of the present utility model, tested in shale reservoir diagenetic results of fracture simulation of the present utility model and filled
The thickness of the asbestos packing sheet in putting is 8mm, used as refractory material and insulation material.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, the outside of the constant temperature electric furnace of use sets
Two jacks are put, sensor is respectively arranged with two jacks.Jack is located at the central region of silicon carbide hearth side wall, for inciting somebody to action
Sensor insertion reservoir sample interior measures data；Wherein, a jack inserts the biography that pressure detecting is carried out to reative cell
Sensor, another jack insertion carries out the sensor of temperature detection to reative cell.
In shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, it is preferable that the burden pressure loading of use
Equipment includes hydraulic press.The hydraulic press of use is connected with the piston at the top of reactor, for providing quiet for the sample in reactor
Rock pressure power.
According to specific embodiment of the present utility model, the sensor of temperature detection is carried out to reative cell by reactor
Temperature reflection is electric using constant temperature in temperature control device regulation reactor according to the data of temperature display unit to temperature display unit
The temperature of heating furnace, the temperature to reactor is mediated, and the temperature moment in reactor is kept with the temperature of shale reservoir
Unanimously.
According to specific embodiment of the present utility model, the sensor of pressure monitoring is carried out to reative cell by reactor
Pressure reflection, according to the data of pressure display unit, reactor is adjusted using burden pressure loading equipemtn to pressure display unit
In pressure, make the pressure holding level of pressure and shale reservoir in reactor.
According to specific embodiment of the present utility model, pressure display unit, for showing and recording the sample in reative cell
The pressure change of product, due in experimentation, shale samples life residence, especially under the high temperature conditions, gaseous hydrocarbons is closed
Certain gas pressure can be produced in device, it is therefore desirable to the pressure change in moment monitoring reative cell.
Shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model is specifically for simulation shale reservoir diagenetic crack
When, comprise the following steps：
The actual geologic parameter of shale reservoir is obtained, wherein, actual geologic parameter includes：The temperature of shale reservoir and pressure
Power, shale reservoir buries mode, the modern mud and sediment sample CLAY MINERALS AND THEIR SIGNIFICANCE species and content of shale reservoir, shale
The rock forming mineral component of reservoir, content, abundance of organic matter and maturity；
By in modern mud and sediment sample addition reactor, reservoir simulation liquid is injected；
Temperature control device is opened, reative cell is heated, opened burden pressure loading equipemtn and reactor is pressurizeed, mould
Intend shale reservoir diagenetic evolutionary process；
Stop pressurization and heat, end simulation shale reservoir diagenetic evolutionary process, record analysis result, as a result including statistics
Direction, aperture and surface density that diagenesis is stitched.
According to specific embodiment of the present utility model, according to Clay Minerals of Sedimentary Rocks total amount and common non-clay mineral
X-ray diffraction quantitative analysis method determines the parameter such as clay mineral kind and content, abundance of organic matter and maturity.Shale reservoir
Modern mud and sediment sample can be configured according to actual Reservoir Minerals composition, it is also possible to direct collection modern times mud sample
Product are used.
In shale reservoir diagenetic results of fracture simulation experimental technique of the present utility model, reservoir simulation liquid is according to modern mud and sinks
The quantity configuration of product thing sample, it is the CaCl of 100mg/L that reservoir simulation liquid uses concentration2Type water.
In shale reservoir diagenetic results of fracture simulation experimental technique of the present utility model, the addition of reservoir simulation liquid becomes silted up for modern
The 20%-40% of the quality of mud and sediment sample.
In shale reservoir diagenetic results of fracture simulation experimental technique of the present utility model, heating and temperature control is simulation shale reservoir
Temperature, be usually no more than 500 DEG C, the Stress control of pressurization is the pressure for simulating shale reservoir, is usually no more than 80MPa.
When being specifically simulated using shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, set up shale into
Simulation process is hidden, and diagenetic fracture is carried out to observe statistics and sign, change different analog parameters, fine and close shale is carried out respectively
Petrogenetic Simulation, and the sign of diagenetic fracture is carried out, it is hereby achieved that shale diagenetic fracture and reservoir temperature, pressure and effect
The rule of time, by the composition for changing fine-grained sediment, it is also possible to obtain rich containing different organic matter types, different organic matters
The heterogeneity of the fine-grained sediment diagenetic fracture of degree；
For example, the pressure by changing sample, diagenesis stitches generating state in the case of simulation obtains different shale reservoir pressures
Otherness, carries out impact effect research of the pressure to diagenesis seam generation occurrence；
By changing the temperature of sample, simulation obtains diagenesis seam generating state difference in the case of different shale reservoir temperatures
Property, carry out impact effect research of the temperature to diagenesis seam generation occurrence.
Above-mentioned shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model mainly uses TTI principles, i.e.,：High temperature is short
When and low temperature it is long when the organic matter evolution can be reached identical effect.Shale reservoir diagenetic crack mould of the present utility model
Draft experiment device can properly increase temperature according to experiment schedule requirement, shorten experimental period, by the experimentation of short time
The permanent actual geology diagenesis Development History of simulation, experimentation can be according to the buried depth of actual shale reservoir and geothermal gradient and pressure
Power gradient data, converts the temperature and pressure span of experimentation.
Above-mentioned shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model has considered the reality for simulating area
Border geologic elements, the temperature in Petrographic Features, diagenetic process, pressure and change of fluid including mud shale etc. mainly influence because
Element, the basic research to shale reservoir diagenetic seam formation condition is more targeted；Mud under the simulation geological process constraint of foundation
The shale reservoir diagenetic evolutionary phase, is that the division of shale reservoir diagenesis evolution stage and shale gas exploration provide infrastest
Foundation, and then Petrogenetic Simulation is tested in terms of unconventional reservoir evaluation and prediction with practicality, reliability, science；It is logical
The simulation to diagenesis seam is crossed, different shale reservoir conditions can be not only studied to the formation of shale diagenetic fracture effect, can be with
It is counter to push away reservoir formation Development History, survey region construction is developed with important guidance and evidence meaning.
Shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, sets the reaction of HTHP fine-grained sediment
Room, burden pressure loading equipemtn, temperature control device, pressure display unit and temperature display unit, can make fine-grained sediment in reality
Test interior by TTI principles under the conditions of set analog parameter (burden pressure, formation temperature, reaction time), set up shale
Into Tibetan simulation process, and diagenetic fracture is carried out to observe statistics and sign, change different analog parameters, fine and close page is carried out respectively
The Petrogenetic Simulation of rock, and the sign of diagenetic fracture is carried out, it is hereby achieved that shale diagenetic fracture and reservoir temperature, pressure and work
With the rule of time, by the composition for changing fine-grained sediment, it is also possible to obtain containing different organic matter types, different organic matters
The heterogeneity of the fine-grained sediment diagenetic fracture of abundance.
Shale reservoir diagenetic results of fracture simulation experimental provision of the present utility model, after being put into system from reactant, experiment starts
To finally terminating all to be once to complete, simple operation, simulation works well.
Brief description of the drawings
Fig. 1 is the structural representation of the shale reservoir diagenetic results of fracture simulation experimental provision in embodiment 1.
Main Reference symbol description
The display of the pressure of 13 temperature control device of HTHP fine-grained sediment 2 burden pressure loading equipemtn of reative cell 4 is single
First PC of 5 temperature display unit 6
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and beneficial effect, now to this practicality
New technical scheme carry out it is described further below, but it is not intended that to it is of the present utility model can practical range restriction.
Embodiment 1
A kind of rock reservoir diagenetic results of fracture simulation experimental provision is present embodiments provided, the shale reservoir diagenetic results of fracture simulation reality
The structure of experiment device is as shown in figure 1, the device includes：HTHP fine-grained sediment reative cell 1, burden pressure loading equipemtn 2,
Temperature control device 3, pressure display unit 4, temperature display unit 5 and PC 6；
Wherein, HTHP fine-grained sediment reative cell 1, is that the sample of shale reservoir diagenetic results of fracture simulation experiment is carried out instead
Reaction compartment should be provided；HTHP fine-grained sediment reative cell 1 includes reactor and constant temperature electric furnace, constant temperature electric furnace
Including：Surface is wound with the silicon carbide hearth of nichrome wire, the outer thorax of the high alumina outside silicon carbide hearth, outside the outer thorax of high alumina
Thickening rubber asbestos plate, and located at thicken rubber asbestos plate outside stainless steel casing；The outside of constant temperature electric furnace sets two
Individual jack, a jack insertion carries out the sensor of pressure detecting to reative cell, and the insertion of another jack carries out temperature to reative cell
Spend the sensor of detection；
Burden pressure loading equipemtn 2 is connected with HTHP fine-grained sediment reative cell 1, and the quiet of indoor sample is reacted in control
Rock pressure power；Burden pressure loading equipemtn 2 includes hydraulic press, and hydraulic press is connected with the piston at the top of reactor, is in reactor
Sample provides lithostatic pressure；
Temperature control device 3 is connected with HTHP fine-grained sediment reative cell 1, controls and regulation reaction temperature；
Pressure display unit 4 is connected with HTHP fine-grained sediment reative cell 1, the pressure in display and record reative cell
Change；
Temperature display unit 5 is connected with HTHP fine-grained sediment reative cell 1, the temperature in display and record reative cell
Change；
PC 6 connects with burden pressure loading equipemtn 2, temperature control device 3, pressure display unit 4, temperature display unit 5 respectively
Connect, for overall control and data record.
The rock reservoir diagenetic results of fracture simulation experimental technique completed using above-mentioned rock reservoir diagenetic results of fracture simulation experimental provision, tool
Body is comprised the following steps：
The actual geologic parameter of shale reservoir is obtained, the temperature and pressure of shale reservoir, shale reservoir bury mode, page
The modern mud and sediment sample CLAY MINERALS AND THEIR SIGNIFICANCE species and content of rock reservoir, the rock forming mineral component of shale reservoir, content,
Abundance of organic matter and maturity；
With Pucheng area dune shape mud shale as simulated object, as shown in table 1, wherein clay mineral mainly has reservoir composition
Kaolinite, montmorillonite, chlorite and illite, four kinds of materials press equal proportion deployment cost Clay Mineral composition；It is organic
Matter maturity is 1.23%.
The shale Reservoir Minerals component list of table 1
| Shale components | Actual shared ratio | Simulation composition ratio |
| Clay mineral | 31%-67% | 50% |
| Quartz | 10.5%-56.6% | 15% |
| Dolomite | 3.8%-23.4% | 18% |
| Plagioclase | 1.8%-18.7% | 14% |
| Pyrite | 1.3%-3.9% | 2% |
| Organic matter | 0.5%-1.1% | 1% |
By in modern mud and sediment sample addition reactor, reservoir simulation liquid is injected；Reservoir simulation liquid is for concentration
The CaCl of 100mg/L2Type water；
Choose 400 DEG C of stable simulation temperature, simulated pressure 85MPa.Pressure-loaded process is loading before heating starting；According to
Basins in East China is disconnected-col evolution features, mode of heating is warming up to 200 DEG C for total power first, then successively with 40 DEG C/h's
Power is heated, and reaches constant temperature 2h after final temperature.Realize that heating simulation shale reservoir diagenetic is carried out to reative cell to be developed
Journey；
Stop pressurization and heat, end simulation shale reservoir diagenetic evolutionary process, record analysis result, including statistics diagenesis
The direction of seam, aperture and surface density.Analog result is as follows：
The vertical high angle construction major fracture near with rock stratum of middle part generation one, about 80 ° of fracture dip, fracture length reaches
10cm, aperture is about 1mm-2mm, vertical through reservoir rock sample；Association several microcracks, aperture is less than 0.5mm, and fracture height is general
All between 1-3cm, surface density is about 26/m2.It can thus be concluded that the diagenesis to one's respective area is stitched based on microcrack, made by principal stress
With a small amount of vertical high angle fracture can be produced.Diagenesis microcrack plays an important roll to the life storage of local area shale oil reservoir, is oil reservoir
Important oil storage space and seepage channel.
Above example illustrates that the rock reservoir diagenetic results of fracture simulation experimental provision that the utility model is provided can effectively simulate page
The formation in rock reservoir diagenetic crack, reasonable in design, simple operation, device of the present utility model is the crack master control of shale reservoir diagenetic
The research of factor provides equivalent simulation device.
Claims (10)
1. a kind of shale reservoir diagenetic results of fracture simulation experimental provision, it is characterised in that the shale reservoir diagenetic results of fracture simulation is tested
Device includes：Reative cell, burden pressure loading equipemtn, temperature control device, pressure display unit, temperature display unit and computer
End；
Wherein, the burden pressure loading equipemtn is connected with the reative cell；
The temperature control device is connected with the reative cell；
The pressure display unit is connected with the reative cell；
The temperature display unit is connected with the reative cell；
The computer terminal respectively with the burden pressure loading equipemtn, temperature control device, pressure display unit, temperature display unit
Connection.
2. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 1, it is characterised in that in the reative cell
It is provided with reactor and constant temperature electric furnace.
3. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 2, it is characterised in that the constant temperature electricity plus
Silicon carbide hearth is provided with hot stove.
4. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 3, it is characterised in that the silicon carbide furnace
The outer thorax of aluminium alloy is provided with outside thorax.
5. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 4, it is characterised in that outside the aluminium alloy
Asbestos packing sheet is provided with outside thorax.
6. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 5, it is characterised in that the asbestos rubber
Stainless steel casing is provided with outside plate.
7. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 3, it is characterised in that the silicon carbide furnace
The surface of thorax is provided with nichrome wire.
8. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 7, it is characterised in that the nickel chromium triangle electric heating
Silk is arranged at the outer surface of silicon carbide hearth with canoe.
9. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 3, it is characterised in that the constant temperature electricity plus
The outside of hot stove sets two jacks, and sensor is respectively arranged with two jacks.
10. shale reservoir diagenetic results of fracture simulation experimental provision according to claim 9, it is characterised in that the jack position
In the middle part of silicon carbide hearth side wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621272262.4U CN206311599U (en) | 2016-11-24 | 2016-11-24 | A kind of shale reservoir diagenetic results of fracture simulation experimental provision |
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| CN201621272262.4U CN206311599U (en) | 2016-11-24 | 2016-11-24 | A kind of shale reservoir diagenetic results of fracture simulation experimental provision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442943A (en) * | 2016-11-24 | 2017-02-22 | 中国石油天然气股份有限公司 | Shale reservoir diagenesis fracture simulation experiment device and method |
| CN108538174A (en) * | 2018-03-30 | 2018-09-14 | 中山大学 | A kind of large scale experimental model preparation facilities and method based on rock-soil material |
-
2016
- 2016-11-24 CN CN201621272262.4U patent/CN206311599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442943A (en) * | 2016-11-24 | 2017-02-22 | 中国石油天然气股份有限公司 | Shale reservoir diagenesis fracture simulation experiment device and method |
| CN108538174A (en) * | 2018-03-30 | 2018-09-14 | 中山大学 | A kind of large scale experimental model preparation facilities and method based on rock-soil material |
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