CN110454146A - The device and method to shake out in horizontal well with sand control in evaluation hydrate recovery process - Google Patents
The device and method to shake out in horizontal well with sand control in evaluation hydrate recovery process Download PDFInfo
- Publication number
- CN110454146A CN110454146A CN201910703877.XA CN201910703877A CN110454146A CN 110454146 A CN110454146 A CN 110454146A CN 201910703877 A CN201910703877 A CN 201910703877A CN 110454146 A CN110454146 A CN 110454146A
- Authority
- CN
- China
- Prior art keywords
- gas
- autoclave
- hydrate
- valve
- sand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 90
- 238000011084 recovery Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000011156 evaluation Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 239000007787 solid Substances 0.000 claims abstract description 23
- 238000002360 preparation method Methods 0.000 claims abstract description 20
- 239000013049 sediment Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000002474 experimental method Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 239000012530 fluid Substances 0.000 claims description 34
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 9
- 238000004088 simulation Methods 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 6
- 239000007790 solid phase Substances 0.000 claims description 6
- 238000013480 data collection Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 150000004677 hydrates Chemical class 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 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 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- -1 ice-like solid Chemical compound 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003075 superhydrophobic effect Effects 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
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
-
- 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
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention discloses the device and method to shake out in horizontal well with sand control in evaluation hydrate recovery process, its device includes autoclave, high/low temperature insulating box, hydrate sample preparation system, control pressurer system, gas-liquid solid separation system and data acquisition system, high/low temperature insulating box is used to control the temperature in autoclave, rigid pipe through its side wall is installed in the middle part of autoclave, rigid pipe is used to simulate the horizontal well for carrying out hydrate exploitation, gas-liquid solid separation system is for collecting the gas generated in experimentation, liquid and solid, hydrate sample preparation system is used to prepare sample containing hydrate sediment, control pressurer system is used to control axis pressure and back pressure in autoclave, it the advantage is that, the Sanding Mechanism under different geological environments and mining method in horizontal wellbore can be differentiated by the device and method, and The sand controlling result of different size sand control screen is evaluated, experimental provision structure is simple, easy to operate, and experimental method repeatability is strong.
Description
Technical field
The present invention relates in natural gas hydrate exploration and development technique field, more particularly to evaluation hydrate recovery process
The device and method to be shaked out in horizontal well with sand control.
Background technique
Gas hydrates are formed under high pressure low temperature by natural gas and water like ice-like solid, and combustible ice is commonly called as,
It is big to be distributed wide, rich reserves, energy density, is a kind of novel alternative energy source of cleaning.It is estimated that existing in the form of hydrates
Carbon is with twice of carbon total amount existing for fossil fuel on the earth, therefore many countries are all regarded as the following novel substitution energy
Source, China are also incorporated medium & long term sci-tech development program.
In drilling well, complete well and the gas production process that gas hydrates are developed, Container Rock Sanding is that influence hydrate is efficient for a long time
One of main security risk of exploitation, shaking out is that reservoir sand grains is migrated from reservoir showing of coming out with fluid during oil-gas mining
As.Canada Mallik tries recovery well, the Alaska of the U.S. in 2012 Ignik Sikumi scene CO within 20072Replacement exploitation water
Close the first of object test well, the Japan whole world in 2013 second of pilot production of ocean hydrate examination recovery well and Japan in 2017 for the first time
All there is serious problem of shaking out in mouth well, and greatly affected gas producing efficiency, even results in pilot production and have to terminate in advance.In
The hydrate of state's South China Sea is with a scattered manner or weak cementation method is filled in argillaceous sediment hole, in decomposition of hydrate mistake
Serious problem of shaking out may be faced in journey, therefore studies shaking out in hydrate recovery process and China is passed through with sand control problem
Efficient Development deep sea hydrate resource of helping has realistic meaning.
Currently, it is less using the device of Sanding Mechanism and sand controlling result in laboratory facilities research hydrate recovery process, and
The phenomenon of shaking out being concentrated mainly in vertical pit shaft does not have there is no being studied for the Sanding Mechanism in horizontal wellbore yet
Sand controlling result after installing different size sand control sieve to horizontal wellbore is studied.With hydrate be commercialized Exploitation research into
The continuous propulsion of journey, horizontal well technology can be increasingly being applied to hydrate exploitation, China also will using horizontal well technology into
Second of the runin of row hydrate is adopted, thus develop can simulate it is horizontal under the conditions of different geological conditions, different mining method
Situation of shaking out in well, and then evaluate the Sanding Mechanism in hydrate recovery process in horizontal well and the different sand screen nets of installation
Sand controlling result afterwards is particularly important.
Summary of the invention
It is an object of the invention to be directed to the existing state of the art, provide in evaluation hydrate recovery process to go out in horizontal well
The device and method of sand and sand control can differentiate horizontal wellbore under different geological environments and mining method by the device and method
Interior Sanding Mechanism, and the sand controlling result of different size sand control screen is evaluated, experimental provision structure is simple, easy to operate, experiment
Method repeatability is strong.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
Shaking out in horizontal well with the device of sand control in evaluation hydrate recovery process includes autoclave, high/low temperature constant temperature
Case, hydrate sample preparation system, control pressurer system, gas-liquid solid separation system and data acquisition system, hydrate sample system
Standby system, control pressurer system, gas-liquid solid separation system and data acquisition system are connect with autoclave;The high pressure is anti-
Kettle is answered to be arranged in high/low temperature insulating box, high/low temperature insulating box is used to control the temperature in autoclave, thus simulated sea bottom
The temperature environment of hydrate reservoir;Rigid pipe through its side wall is installed, rigid pipe is level in the middle part of the autoclave
State, for simulating the horizontal well for carrying out hydrate exploitation, one end of rigid pipe is located in autoclave, rigid pipe it is another
End is located in high/low temperature insulating box, rigid pipe be located at one end in autoclave be equipped with equidistant aperture and outer layer be equipped with it is anti-
Sand sieve net, one end that rigid pipe is located in high/low temperature insulating box are connected to gas-liquid solid separation system, and gas-liquid solid separation system is used for
Collect gas, liquid and the solid generated in experimentation;Upper fluid import is equipped in the side wall of the autoclave under
Fluid inlet, upper fluid import and lower fluid inlet are located at top half and the lower half portion of autoclave, upper fluid
Import and lower fluid inlet are connected to hydrate sample preparation system, and hydrate sample preparation system is used to prepare containing hydrate
Deposit sample;The autoclave inner top and bottom are respectively equipped with driving plug and lower driving plug, and upper driving is stifled
Mobile sand control piston and lower mobile sand control piston, upper driving plug and lower driving plug on being fixed respectively on head and lower driving plug
It is connected to control pressurer system, control pressurer system is used to control axis pressure and back pressure in autoclave.
Further, the hydrate sample preparation system is divided into water supply branch and gas supply branch, and water supply branch includes following
Ring water bath with thermostatic control and constant-flux pump and the first valve, circulation constant temperature water-bath, constant-flux pump, the first valve are successively connected by pressure duct
Logical, gas supply branch includes gas cylinder, gas booster pump, high pressure storage tank and pressure regulator valve and the second valve, third valve, the 4th valve
With the 5th valve, gas cylinder, the second valve, gas booster pump, third valve, high pressure storage tank, the 4th valve, pressure regulator valve, the 5th valve
Door is sequentially communicated by pressure duct, and first pressure gauge is connected on high pressure storage tank, is distinguished after water supply branch and gas supply branch doubling
With upper fluid import and lower fluid inlet communication.
Further, the gas-liquid solid separation system is divided into liquid phase branch and solid phase branch, and liquid phase branch includes collection
Gas cylinder, collection bottle, gas flowmeter, gas-liquid separator and strainer, gas bottle, gas flowmeter are sequentially communicated by pressure duct
And gas-liquid separator is accessed, collection bottle accesses gas-liquid separator, and gas-liquid separator is located at height by pressure duct and rigid pipe
Tube body connection and pressure duct and rigid pipe junction in warm insulating box are arranged strainer, solid phase branch include shake out sampler,
Separation disassembly mouth and the 6th valve, the sampler that shakes out are located at the end in high/low temperature insulating box by separation disassembly mouth and rigid pipe
Portion's connection, the 6th valve are arranged on rigid pipe and are located between separation disassembly mouth and strainer.
Further, the autoclave is arranged on bracket, and bracket two sides are equipped with axle bed, in the autoclave
Portion is mounted on axle bed by shaft, rotate autoclave can around the shaft, and shaft is set on the axle bed perpendicular to rigid pipe
There is locking piece, locking piece is for locking shaft.
Preferably, further including pulling rope, pulling rope both ends are equipped with hook, the autoclave bottom and bracket
On be equipped with link, the linear distance of two links is greater than the length of pulling rope.
Further, the control pressurer system is divided into axis pressure branch and back pressure branch, axis pressure branch include hand pump and
Surge tank and the 7th valve, the 8th valve, the 9th valve, hand pump, the 7th valve, surge tank are successively connected by pressure duct
After logical, it is divided into two-way and is connected to respectively with upper driving plug and lower driving plug and is respectively equipped with the 8th valve and the 9th on two accesses
Valve connects second pressure gauge on surge tank, and back pressure branch includes back-pressure valve and the tenth valve, and back-pressure valve, the tenth valve are successively
It is arranged on the pipeline between gas-liquid separator and rigid pipe.
Further, the data collection system includes two temperature sensors, two pressure sensors, two displacements biographies
Sensor and computer, two temperature sensors are separately positioned on the two sides up and down of rigid pipe in autoclave, temperature sensor
For monitoring the temperature in autoclave, two pressure sensors are separately positioned on up and down two of rigid pipe in autoclave
Side, pressure sensor are used to monitor the pore pressure in autoclave, and it is stifled that two displacement sensors are separately positioned on driving
On head and lower driving plug, displacement sensor is passed for monitoring stratum settlement situation, temperature sensor, pressure sensor and displacement
Sensor passes through data acquisition signal line access computer.
The method shaked out in horizontal well with sand control in evaluation hydrate recovery process, includes the following steps:
S1, check device air-tightness;
S2, sand-water-hydrate formation sample containing hydrate sediment is generated in autoclave;
S3, hydrate simulation exploitation: when using decompression mode, the pore pressure in autoclave 1 is made to be down to and be hydrated
The pressure of phase balance is hereinafter, to decompose hydrate;When using heat injection mode, make the temperature in autoclave 1 rise to
More than the temperature of hydrate phase balance, to decompose hydrate;
The separation and collection of S4, gas, water and sand: the gas, water and the sand that generate during decomposition of hydrate are divided
From gas enters gas bottle through gas flowmeter, and part water enters collection bottle, and remaining water and sand are received by the sampler that shakes out
Collection;
S5, different size sand control sieve is installed in rigid outer tube layer, repeats step S2-S4, evaluates hydrate recovery process
Sanding Mechanism and sand controlling result after the different sand screen nets of middle installation in horizontal well.
Further, sand described in step S2-water-hydrate formation sample containing hydrate sediment preparation process is such as
Under:
S2.1, baked sand and water are stirred, form water sand mixture, stood;
S2.2, water sand mixture is filled into autoclave, by hand pump and upper mobile sand control piston and is moved down
Dynamic sand control piston cooperation, loads axial compressive force to water sand mixture, makes its compacting;
S2.3, the required gas of experiment is passed through into autoclave, constant temperature is stood, and guarantees the abundant air inlet of water sand mixture;
S2.4, high/low temperature insulating box and set temperature are opened, makes the reduction of reaction under high pressure temperature in the kettle, guarantee gas needed for testing
Body ample supply, when pore pressure no longer changes, i.e., intrapore water is completely converted into hydrate, raw in autoclave at this time
The sample containing hydrate sediment of objects system is closed at sand-air-water;
S2.5, constant-flux pump is opened, by upper fluid import and lower fluid inlet to reaction under high pressure from circulation constant temperature water-bath
Water filling in kettle carries out displacement to the free gas in autoclave, makes to generate sand-water-hydrate formation in autoclave
Sample containing hydrate sediment completes the simulation to the practical reservoir environment containing hydrate in seabed.
The invention has the benefit that
For the phenomenon of shaking out in gas hydrates reservoir recovery process, different geological environments, different exploitation sides are simulated
The case where shaking out in horizontal wellbore under the conditions of formula, producing gas and produce water and the case where stratum settlement, differentiate different geological environments with
Sanding Mechanism under mining method in horizontal wellbore, meanwhile, different size sand control sieve, simulation are installed in rigidity level outer tube layer
Water and stratum settlement rule are shaked out, produce gas and produced under the conditions of different geological conditions, different mining methods in horizontal wellbore,
The sand controlling result of different size sand control screen is evaluated, experimental provision structure is simple, easy to operate, and experimental method repeatability is strong,
Not only the basis of experiment and research can be provided for related colleges and universities and scientific research institutions, also China's natural gas hydrate exploration is developed
With important economic value and social benefit.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of experimental provision of the present invention;
Attached drawing 2 is the structural schematic diagram of reaction kettle of the present invention;
Attached drawing 3 is the structural schematic diagram of hydrate sample preparation system of the present invention;
Attached drawing 4 is the structural schematic diagram of back pressure branch in gas-liquid solid separation system of the present invention and control pressurer system;
Attached drawing 5 is the rack-mount structural schematic diagram of autoclave of the present invention;
Attached drawing 6 is the structural schematic diagram that control pressurer system axis of the present invention presses branch;
Attached drawing 7 is the structural schematic diagram of data collection system of the present invention.
Mark explanation: 1, autoclave, 2, high/low temperature insulating box, 3, rigid pipe, 4, sand control sieve, 5, upper fluid into
Mouthful, 6, lower fluid inlet, 7, upper driving plug, 8, upper mobile sand control piston, 9, lower mobile sand control piston, 10, lower driving plug,
11, gas cylinder, the 12, second valve, 13, gas booster pump, 14, third valve, 15, first pressure gauge, 16, high pressure storage tank, 17,
Four valves, 18, pressure regulator valve, the 19, the 5th valve, 20, circulation constant temperature water-bath, 21, constant-flux pump, the 22, first valve, 23, gas bottle,
24, gas flowmeter, 25, gas-liquid separator, 26, collection bottle, 27, back-pressure valve, the 28, the tenth valve, 29, separation disassembly mouth, 30,
Shake out sampler, 31, strainer, the 32, the 6th valve, 33, link, 34, bracket, 35, axle bed, 36, shaft, 37, locking piece, 38,
8th valve, the 39, the 9th valve, 40, second pressure gauge, 41, surge tank, the 42, the 7th valve, 43, hand pump, 44, displacement biography
Sensor, 45, pressure sensor, 46, temperature sensor, 47, computer.
Specific embodiment
It please refers to Fig. 1, shown in 2, evaluates the device to shake out in horizontal well with sand control in hydrate recovery process, including high pressure
Reaction kettle 1, high/low temperature insulating box 2, hydrate sample preparation system, control pressurer system, gas-liquid solid separation system and data are adopted
Collecting system, hydrate sample preparation system, control pressurer system, gas-liquid solid separation system and data acquisition system are anti-with high pressure
Kettle 1 is answered to connect, in which: the autoclave 1 is arranged in high/low temperature insulating box 2, and high/low temperature insulating box 2 is for controlling high pressure
Temperature in reaction kettle 1, thus the temperature environment of simulated sea bottom hydrate reservoir, thermostatic control system uses import intelligent temperature control
Instrument carries out temperature control, and temperature controller is heated using Intelligent PID Control mode control system, guarantees the precision of system temperature control;The high pressure
Rigid pipe 3 through its side wall is installed, rigid pipe 3 is horizontality, and rigid pipe 3 is able to bear larger lotus in the middle part of reaction kettle 1
Pressure is carried, for simulating the horizontal well for carrying out hydrate exploitation, one end of rigid pipe 3 is located in autoclave 1, rigid pipe 3
The other end be located in high/low temperature insulating box 2, rigid pipe 3 is located at one end in autoclave 1 equipped with equidistant aperture and outer
Layer is equipped with sand control sieve 4, and when reality is selected, the diameter of rigid pipe 3 is 15mm, and the aperture of aperture is 2mm on rigid pipe 3, just
Property pipe 3 be located at one end in high/low temperature insulating box 2 and be connected to gas-liquid solid separation system, gas-liquid solid separation system is for collecting experiment
Gas, liquid and the solid generated in the process;Be equipped in the side wall of the autoclave 1 upper fluid import 5 and lower fluid into
Mouthfuls 6, upper fluid import 5 and lower fluid inlet 6 are located at top half and the lower half portion of autoclave 1, upper fluid into
Mouth 5 and lower fluid inlet 6 are connected to hydrate sample preparation system, and hydrate sample preparation system is used to prepare containing hydrate
Deposit sample;1 inner top of autoclave and bottom are respectively equipped with driving plug 7 and lower driving plug 10, upper drive
Mobile sand control piston 8 and lower mobile sand control piston 9 on being fixed respectively on dynamic plug 7 and lower driving plug 10, upper 7 He of driving plug
Lower driving plug 10 is connected to control pressurer system, and control pressurer system is used to control the axis pressure in autoclave 1 and returns
Pressure.
Please refer to Fig. 1, shown in 3, the hydrate sample preparation system is divided into water supply branch and gas supply branch, in which: supplies
Moisture road includes circulation constant temperature water-bath 20 and constant-flux pump 21 and the first valve 22, circulation constant temperature water-bath 20, constant-flux pump 21, first
Valve 22 is sequentially communicated by pressure duct, and circulation constant temperature water-bath 20 can automatically control output water temperature, the control of the first valve 22
The water inlet of autoclave 1;Gas supply branch includes gas cylinder 11, gas booster pump 13, high pressure storage tank 16 and pressure regulator valve 18 and the
Two valves 12, third valve 14, the 4th valve 17 and the 5th valve 19, the 5th valve 19 control the air inlet of autoclave 1, gas
Bottle the 11, second valve 12, gas booster pump 13, third valve 14, high pressure storage tank 16, the 4th valve 17, pressure regulator valve 18, the 5th valve
Door 19 is sequentially communicated by pressure duct, and first pressure gauge 15 is connected on high pressure storage tank 16.Water supply branch and gas supply branch doubling
It is connected to respectively with upper fluid import 5 and lower fluid inlet 6 afterwards, when only needing to be passed through gas into autoclave 1, closes the
One valve 22 opens the 5th valve 19;When only needing to be passed through water into autoclave 1, the 5th valve 19 is closed, opens the
One valve 22.
Please refer to Fig. 1, shown in 4, the gas-liquid solid separation system is divided into liquid phase branch and solid phase branch, in which: gas-liquid
Phase branch includes gas bottle 23, collection bottle 26, gas flowmeter 14, gas-liquid separator 25 and strainer, gas bottle 23, gas flow
Meter 24 is sequentially communicated by pressure duct and accesses gas-liquid separator 15, and collection bottle 26 accesses gas-liquid separator 25, gas-liquid separation
Device 25 is located at that the tube body in high/low temperature insulating box 2 is connect and pressure duct is connect with rigid pipe 3 by pressure duct and rigid pipe 3
Place's setting strainer 31;Solid phase branch includes shake out sampler 30, separation disassembly mouth 29 and the 6th valve 32, and shake out sampler 30
It is located at the end in high/low temperature insulating box 2 with rigid pipe 3 by separation disassembly mouth 29 to connect, the 6th 32, valve is arranged in rigid pipe
On 3 and it is located between separation disassembly mouth 29 and strainer 31.
It please refers to shown in Fig. 5, the autoclave 1 is arranged on bracket 34, and 34 two sides of bracket are equipped with axle bed 35, described
It is mounted on axle bed 35 in the middle part of autoclave 1 by shaft 36, rotate autoclave 1 can around the shaft, shaft 36 is vertical
In rigid pipe 3, the axle bed 35 is equipped with locking piece 37, and locking piece 37 is for locking shaft 36.In experimentation, need to collect
When into sand and water in rigid pipe 3, autoclave 1 need to only be rotated, Sha Heshui will move to going out for 3 left end of rigid pipe
In sand sampler 30.It preferably migrates into the sampler 30 that shakes out to make to enter sand and water energy in rigid pipe 3, in rigid pipe 3
Wall is coated with super hydrophobic material coating.
Preferably, further including pulling rope, pulling rope both ends are equipped with hook, the autoclave bottom 1 and branch
Link 33 is equipped on frame 34, the linear distance of two links 33 is greater than the length of pulling rope.In experimentation, drawing can be passed through
Autoclave 1 is pulled to by rope to be tilted and so that autoclave 1 is kept heeling condition by link 33 and hook cooperation, is conveniently gone out
The installation and removal of sand sampler 30.
It please refers to shown in Fig. 1,4,6, the control pressurer system is divided into axis pressure branch and back pressure branch, in which: axis pressure point
Road includes hand pump 43 and surge tank 41 and the 7th valve 42, the 8th valve 38, the 9th valve 39, hand pump 43, the 7th valve
After door 42, surge tank 41 are sequentially communicated by pressure duct, it is divided into two-way and connects respectively with upper driving plug 7 and lower driving plug 10
It is respectively equipped with the 8th valve 38 and the 9th valve 39 on logical and two accesses, connects second pressure gauge 40 on surge tank 41;Back pressure point
Road includes back-pressure valve 27 and the tenth valve 28, and back-pressure valve 27, the tenth valve 28 are successively set on gas-liquid separator 25 and rigid pipe 3
Between pipeline on.
Please refer to Fig. 1, shown in 7, the data collection system includes two temperature sensors, 46, two pressure sensors
45, two displacement sensors 44 and computer 47, in which: two temperature sensors 46 are separately positioned in autoclave 1 just
Property pipe 3 two sides up and down, temperature sensor 46 is used to monitor temperature in autoclave;Two pressure sensors 45 are set respectively
The two sides up and down of the rigid pipe 3 in autoclave 1 are set, pressure sensor 45 is used to monitor the Pore Pressure in autoclave 1
Power;Two displacement sensors 44 are separately positioned on driving plug 7 and lower driving plug 10, and displacement sensor 44 is for monitoring
Stratum settlement situation.Temperature sensor 46, pressure sensor 45 and displacement sensor 44 are accessed by data acquisition signal line
Computer 47.
The method shaked out in horizontal well with sand control in hydrate recovery process is evaluated by above-mentioned apparatus, including is walked as follows
It is rapid:
S1, check device air-tightness: the second valve 12 and third valve 14 are opened, makes methane gas stream through gas booster pump 13
Into high pressure storage tank 16, the 4th valve 17 and the 5th valve 19 are then opened, pressure regulator valve 18 is adjusted, passes through 5 He of upper fluid import
Lower fluid inlet 6 injects 15MPa methane gas into autoclave 1, maintains the pressure and observes 24 hours, checks that methane gas has
No leakage closes the second valve 12, third valve 14, the 4th valve 17 and the 5th valve 19 if No leakage, opens back-pressure valve 27
With the tenth valve 28, the methane gas in autoclave 1 is emptied, closes back-pressure valve 27 and the tenth valve 28;
S2, sand-water-hydrate formation sample containing hydrate sediment is generated in autoclave 1, preparation process is such as
Under:
S2.1, baked sand and a certain amount of water are stirred, form water sand mixture, stood 24 hours, mixing water
It is uniformly distributed in object;
S2.2, well-mixed water sand mixture is filled into autoclave 1, it is anti-by hand pump 43 and upper movement
Sand piston 8 and lower mobile sand control piston 9 cooperate, and load 12MPa axial compressive force to water sand mixture, are compacted it to a certain degree;
S2.3, it is passed through gas needed for 10-11MPa is tested into autoclave 1, stands 12 hours at 20 DEG C, guarantee
The abundant air inlet of water sand mixture;
S2.4, high/low temperature insulating box 2 and set temperature are opened, temperature in autoclave 1 is made to be reduced to 2 DEG C, guaranteed real
Required gas ample supply is tested, in 72 hours, when pore pressure no longer changes, i.e., intrapore water is completely converted into hydrate,
The sample containing hydrate sediment that sand-air-water closes objects system is generated in autoclave 1 at this time;
S2.5, open constant-flux pump 21, with 15ml/min flow velocity, 11MPa pressure, by upper fluid import 5 and lower fluid into
Mouth 6 carries out displacement from filling the water in circulation constant temperature water-bath 20 into autoclave 1, to the free gas in autoclave 1, makes height
It presses and generates sand-water-hydrate formation sample containing hydrate sediment in reaction kettle 1, complete the hydrate that contains practical to seabed and store up
The simulation of layer environment;
S3, hydrate simulation exploitation: when using decompression mode, back-pressure valve 27 and the tenth valve 28 is opened, reaction under high pressure is made
Pore pressure in kettle 1 is down to the pressure with hydrate phase balance hereinafter, to decompose hydrate;When using heat injection mode, beat
Open the first valve 22, hot water injected into autoclave 1 by constant-flux pump 21, make the temperature in autoclave 1 rise to
More than the temperature of hydrate phase balance, to decompose hydrate;
The separation and collection of S4, gas, water and sand: the gas, water and the sand that generate during decomposition of hydrate are divided
From wherein gas and most of liquid are entered in gas-liquid separator 25 by strainer 31, the tenth valve 28 and back-pressure valve 27, then
Gas enters gas bottle 23 through gas flowmeter 24, and part water enters collection bottle 26, and remaining water and sand need still in rigid pipe 3
When collecting, the 6th valve 32 is opened, by rotary high pressure reaction kettle 1, remaining liq and sand is made to enter the sampler 30 that shakes out,
The 6th valve 32 is closed, the sampler 30 that shakes out is dismantled by unloading separation disassembly mouth 29, that is, collects remaining water and sand, collected
After be reinstalled the sampler 30 that shakes out, opening the 6th valve 32 can be acquired next time;
S5, different size sand control sieve 4 is installed in 3 outer layer of rigid pipe, repeats step S2-S4, evaluation hydrate was exploited
Sanding Mechanism and sand controlling result after different sand screen nets 4 in horizontal well is installed in journey.
Certainly, the above is only better embodiments of the present invention, and use scope of the invention is not limited with this, therefore, it is all
Equivalent change is made in the principle of the invention should be included within the scope of the present invention.
Claims (9)
1. the device to shake out with sand control in horizontal well in evaluation hydrate recovery process, it is characterised in that: including autoclave,
High/low temperature insulating box, hydrate sample preparation system, control pressurer system, gas-liquid solid separation system and data acquisition system, water
Object sample preparation system, control pressurer system, gas-liquid solid separation system and data acquisition system is closed to connect with autoclave;
The autoclave is arranged in high/low temperature insulating box, and high/low temperature insulating box is used to control the temperature in autoclave, from
And the temperature environment of simulated sea bottom hydrate reservoir;Rigid pipe through its side wall is installed, just in the middle part of the autoclave
Property pipe be horizontality, for simulate the horizontal well of progress hydrate exploitation, one end of rigid pipe is located in autoclave, just
Property pipe the other end be located in high/low temperature insulating box, rigid pipe is located at one end in autoclave equipped with equidistant aperture and outer
Layer is equipped with sand control sieve, and one end that rigid pipe is located in high/low temperature insulating box is connected to gas-liquid solid separation system, gas-liquid-solid point
From system for collecting the gas, liquid and solid generated in experimentation;Upstream is equipped in the side wall of the autoclave
Body import and lower fluid inlet, upper fluid import and lower fluid inlet are located at top half and the lower half of autoclave
Point, upper fluid import and lower fluid inlet are connected to hydrate sample preparation system, and hydrate sample preparation system is for making
Standby sample containing hydrate sediment;The autoclave inner top and bottom are respectively equipped with driving plug and lower driving is stifled
Mobile sand control piston and lower mobile sand control piston on being fixed respectively on head, upper driving plug and lower driving plug, upper driving plug
It is connected to control pressurer system with lower driving plug, control pressurer system is used to control the axis pressure in autoclave and returns
Pressure;The data collection system is used to acquire the physical state information in reaction kettle.
2. the device to shake out in horizontal well with sand control in evaluation hydrate recovery process according to claim 1, feature
Be: the hydrate sample preparation system be divided into water supply branch and gas supply branch, water supply branch include circulation constant temperature water-bath and
Constant-flux pump and the first valve, circulation constant temperature water-bath, constant-flux pump, the first valve are sequentially communicated by pressure duct, supply branch
Including gas cylinder, gas booster pump, high pressure storage tank and pressure regulator valve and the second valve, third valve, the 4th valve and the 5th valve,
Gas cylinder, the second valve, gas booster pump, third valve, high pressure storage tank, the 4th valve, pressure regulator valve, the 5th valve pass through high-voltage tube
Road is sequentially communicated, and connects first pressure gauge on high pressure storage tank, after water supply branch and gas supply branch doubling respectively with upper fluid import
With lower fluid inlet communication.
3. the device to shake out in horizontal well with sand control in evaluation hydrate recovery process according to claim 2, feature
Be: the gas-liquid solid separation system is divided into liquid phase branch and solid phase branch, liquid phase branch include gas bottle, collection bottle,
Gas flowmeter, gas-liquid separator and strainer, gas bottle, gas flowmeter are sequentially communicated by pressure duct and access gas-liquid point
From device, collection bottle accesses gas-liquid separator, and gas-liquid separator is located in high/low temperature insulating box by pressure duct and rigid pipe
Tube body connection and pressure duct and rigid pipe junction are arranged strainer, solid phase branch include shake out sampler, separation disassembly mouth with
And the 6th valve, the sampler that shakes out are located at the end in high/low temperature insulating box with rigid pipe by separation disassembly mouth and connect, the 6th
Valve is arranged on rigid pipe and is located between separation disassembly mouth and strainer.
4. the device to shake out in horizontal well with sand control in evaluation hydrate recovery process according to claim 3, feature
Be: the autoclave is arranged on bracket, and bracket two sides are equipped with axle bed, is pacified in the middle part of the autoclave by shaft
It on axle bed, rotate autoclave can around the shaft, for shaft perpendicular to rigid pipe, the axle bed is equipped with locking piece, lock
Part is determined for locking shaft.
5. the device to shake out in horizontal well with sand control in evaluation hydrate recovery process according to claim 4, feature
It is: further includes pulling rope, pulling rope both ends are equipped with hook, are equipped with link on the autoclave bottom and bracket,
The linear distance of two links is greater than the length of pulling rope.
6. the device to shake out in horizontal well with sand control in evaluation hydrate recovery process according to claim 5, feature
Be: the control pressurer system is divided into axis pressure branch and back pressure branch, and axis pressure branch includes hand pump and surge tank and the
Seven valves, the 8th valve, the 9th valve are divided into two after hand pump, the 7th valve, surge tank are sequentially communicated by pressure duct
Road is connected to upper driving plug and lower driving plug respectively and is respectively equipped with the 8th valve and the 9th valve, surge tank on two accesses
Upper connection second pressure gauge, back pressure branch include back-pressure valve and the tenth valve, and back-pressure valve, the tenth valve are successively set on gas-liquid point
From on the pipeline between device and rigid pipe.
7. the device to shake out in horizontal well with sand control in evaluation hydrate recovery process according to claim 6, feature
Be: the data collection system includes two temperature sensors, two pressure sensors, two displacement sensors and calculating
Machine, two temperature sensors are separately positioned on the two sides up and down of rigid pipe in autoclave, and temperature sensor is for monitoring height
The temperature in reaction kettle is pressed, two pressure sensors are separately positioned on the two sides up and down of rigid pipe in autoclave, and pressure passes
Sensor is used to monitor the pore pressure in autoclave, and two displacement sensors are separately positioned on driving plug and lower driving
On plug, for monitoring stratum settlement situation, temperature sensor, pressure sensor and displacement sensor pass through displacement sensor
Data acquisition signal line accesses computer.
8. the method for evaluating hydrate dynamic formation in oil/gas drilling by device as claimed in claim 7, it is characterised in that: packet
Include following steps:
S1, check device air-tightness;
S2, sand-water-hydrate formation sample containing hydrate sediment is generated in autoclave;
S3, hydrate simulation exploitation: when using decompression mode, it is down to the pore pressure in autoclave 1 and hydrate phase
The pressure of balance is hereinafter, to decompose hydrate;When using heat injection mode, the temperature in autoclave 1 is made to rise to and be hydrated
More than the temperature of phase balance, to decompose hydrate;
The separation of S4, gas, water and sand are with collection: separating to the gas, water and the sand that generate during decomposition of hydrate, gas
Body enters gas bottle through gas flowmeter, and part water enters collection bottle, and remaining water and sand are collected by the sampler that shakes out;
S5, different size sand control sieve is installed in rigid outer tube layer, repeats step S2-S4, evaluates and pacify in hydrate recovery process
Fill the Sanding Mechanism and sand controlling result after different sand screen nets in horizontal well.
9. the experimental method of hydrate dynamic formation, feature exist in a kind of evaluation oil/gas drilling according to claim 8
In: sand described in step S2-water-hydrate formation sample containing hydrate sediment preparation process is as follows:
S2.1, baked sand and water are stirred, form water sand mixture, stood;
S2.2, water sand mixture is filled into autoclave, it is anti-by hand pump and upper mobile sand control piston and lower movement
The cooperation of sand piston loads axial compressive force to water sand mixture, makes its compacting;
S2.3, the required gas of experiment is passed through into autoclave, constant temperature is stood, and guarantees the abundant air inlet of water sand mixture;
S2.4, high/low temperature insulating box and set temperature are opened, makes the reduction of reaction under high pressure temperature in the kettle, guarantee that gas needed for testing fills
Divide supply, when pore pressure no longer changes, i.e., intrapore water is completely converted into hydrate, generates in autoclave at this time
Sand-air-water closes the sample containing hydrate sediment of objects system;
S2.5, open constant-flux pump, by upper fluid import and lower fluid inlet from circulation constant temperature water-bath into autoclave
Water filling carries out displacement to the free gas in autoclave, keeps generation sand-water-hydrate formation in autoclave aqueous
Sediment sample is closed, the simulation to the practical reservoir environment containing hydrate in seabed is completed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910703877.XA CN110454146A (en) | 2019-07-31 | 2019-07-31 | The device and method to shake out in horizontal well with sand control in evaluation hydrate recovery process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910703877.XA CN110454146A (en) | 2019-07-31 | 2019-07-31 | The device and method to shake out in horizontal well with sand control in evaluation hydrate recovery process |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110454146A true CN110454146A (en) | 2019-11-15 |
Family
ID=68484398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910703877.XA Pending CN110454146A (en) | 2019-07-31 | 2019-07-31 | The device and method to shake out in horizontal well with sand control in evaluation hydrate recovery process |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110454146A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111022019A (en) * | 2019-12-12 | 2020-04-17 | 中国地质大学(武汉) | Experiment system and method for integrally simulating sand production and transformation of hydrate reservoir around well |
CN111691881A (en) * | 2020-07-03 | 2020-09-22 | 中国石油大学(北京) | Hydrate-containing stratum heated settlement simulation experiment device and method |
CN112067785A (en) * | 2020-08-07 | 2020-12-11 | 中国科学院广州能源研究所 | Detachable reaction device and method for sand production and prevention simulation test of natural gas hydrate |
CN113092732A (en) * | 2021-05-07 | 2021-07-09 | 青岛理工大学 | Natural gas hydrate exploitation simulation and sand production and prevention experimental method |
CN113533677A (en) * | 2021-08-02 | 2021-10-22 | 山东科技大学 | One-dimensional test device for testing physical properties of hydrate |
CN114233285A (en) * | 2021-12-29 | 2022-03-25 | 清华大学深圳国际研究生院 | Natural gas hydrate exploitation test method and test device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107860569A (en) * | 2017-10-31 | 2018-03-30 | 中国石油大学(华东) | The evaluation experimental device and method of sand control screen blocking characteristic during exploitation of gas hydrates |
CN108952638A (en) * | 2018-08-10 | 2018-12-07 | 常州大学 | A kind of gas hydrates horizontal wells sand control simulator and test method |
CN109681198A (en) * | 2019-01-25 | 2019-04-26 | 大连理工大学 | A kind of multimode exploitation simulator and method for different type gas hydrates reservoir |
CN109707377A (en) * | 2019-01-28 | 2019-05-03 | 中国地质大学(武汉) | Hydrate exploitation reservoir response and integrated simulation experiment system and method for shaking out |
CN210858697U (en) * | 2019-07-31 | 2020-06-26 | 中国地质大学(武汉) | Device for evaluating sand production and prevention in horizontal well in hydrate exploitation process |
-
2019
- 2019-07-31 CN CN201910703877.XA patent/CN110454146A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107860569A (en) * | 2017-10-31 | 2018-03-30 | 中国石油大学(华东) | The evaluation experimental device and method of sand control screen blocking characteristic during exploitation of gas hydrates |
CN108952638A (en) * | 2018-08-10 | 2018-12-07 | 常州大学 | A kind of gas hydrates horizontal wells sand control simulator and test method |
CN109681198A (en) * | 2019-01-25 | 2019-04-26 | 大连理工大学 | A kind of multimode exploitation simulator and method for different type gas hydrates reservoir |
CN109707377A (en) * | 2019-01-28 | 2019-05-03 | 中国地质大学(武汉) | Hydrate exploitation reservoir response and integrated simulation experiment system and method for shaking out |
CN210858697U (en) * | 2019-07-31 | 2020-06-26 | 中国地质大学(武汉) | Device for evaluating sand production and prevention in horizontal well in hydrate exploitation process |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111022019A (en) * | 2019-12-12 | 2020-04-17 | 中国地质大学(武汉) | Experiment system and method for integrally simulating sand production and transformation of hydrate reservoir around well |
CN111691881A (en) * | 2020-07-03 | 2020-09-22 | 中国石油大学(北京) | Hydrate-containing stratum heated settlement simulation experiment device and method |
WO2022000834A1 (en) * | 2020-07-03 | 2022-01-06 | 中国石油大学(北京) | Hydrate-containing stratum heating settlement simulation experiment device and method |
CN111691881B (en) * | 2020-07-03 | 2023-12-22 | 中国石油大学(北京) | Device and method for simulating thermal settlement of hydrate-containing stratum |
CN112067785A (en) * | 2020-08-07 | 2020-12-11 | 中国科学院广州能源研究所 | Detachable reaction device and method for sand production and prevention simulation test of natural gas hydrate |
US11899005B2 (en) | 2020-08-07 | 2024-02-13 | Guangzhou Institute Of Energy Conversion, Chinese Academy Of Sciences | Divisible experimental device and method for sand production and sand control during natural gas hydrate exploitation |
CN113092732A (en) * | 2021-05-07 | 2021-07-09 | 青岛理工大学 | Natural gas hydrate exploitation simulation and sand production and prevention experimental method |
CN113533677A (en) * | 2021-08-02 | 2021-10-22 | 山东科技大学 | One-dimensional test device for testing physical properties of hydrate |
CN114233285A (en) * | 2021-12-29 | 2022-03-25 | 清华大学深圳国际研究生院 | Natural gas hydrate exploitation test method and test device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110454146A (en) | The device and method to shake out in horizontal well with sand control in evaluation hydrate recovery process | |
CN107045054B (en) | The experimental provision and method of the relationship of husky behavior and the deformation of porous media radial direction are produced in a kind of researching natural gas hydrate recovery process | |
CN107121359B (en) | It shakes out containing hydrate sediment-mechanics parameter coupling process simulator and method | |
CN111443182B (en) | Supergravity hydrate research experiment system and method | |
CN105259003B (en) | A kind of experimental provision and method for synthesizing ocean gas hydrate sample | |
CN105403672B (en) | Simulate the experimental provision and method of exploitation of gas hydrates process stratum deformation | |
CN105301200B (en) | Testing apparatus for characteristics of sand production during mining of natural gas hydrate | |
CN109681198B (en) | Multi-mode exploitation simulation device and method for different types of natural gas hydrate reservoirs | |
CN102865066B (en) | Experiment device and method for deepwater shaft multiphase flow containing natural gas hydrate phase changes | |
CN104453794B (en) | Simulation experiment system for whole process of natural gas hydrate exploitation and simulation method | |
CN106593370B (en) | Natural gas hydrate depressurization exploitation simulation experiment device and working method | |
CN105588782B (en) | High/low temperature High Pressure Absorption test device for desorption and method | |
CN205426212U (en) | Many physics of gas hydrate exploitation field evolution simulating measurement setup | |
CN106896212B (en) | Monitor the device of deepwater drilling liquid invasion procedure hydrate reservoir physical property variation | |
CN105571647A (en) | Natural gas hydrate exploitation multi-physical field evolution simulation test device and method | |
CN108169062B (en) | Simulate the visual test device and method of subterranean coal gas preservation desorption process | |
CN110630228A (en) | Evaluation of CO2/N2Device and method for shaft sand production and prevention during hydrate exploitation by displacement method | |
CN103233704A (en) | Method and device for simulating experiment of permafrost region natural gas hydrate mining through replacement of CO2/N2 | |
CN105156102A (en) | Water body energy three-dimensional physical simulation device and method of bottom water reservoir | |
CN111577212A (en) | Large-scale natural gas hydrate formation decomposition geological environment simulation system and method | |
CN210858697U (en) | Device for evaluating sand production and prevention in horizontal well in hydrate exploitation process | |
CN205063944U (en) | Three -dimensional physical simulation device of bottom water oil reservoir water energy | |
CN112282705B (en) | Evaluation device and experimental method for phase stability of drilling fluid additive to natural gas hydrate | |
CN209742884U (en) | Comprehensive simulation experiment system for hydrate exploitation reservoir response and sand production | |
CN109826612A (en) | Gas hydrates reservoir radially horizontal well drilling simulator and method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191115 |
|
RJ01 | Rejection of invention patent application after publication |