CN106753503A - A kind of method that oil shale in-situ catalytic oxidation extracts shale oil gas - Google Patents
A kind of method that oil shale in-situ catalytic oxidation extracts shale oil gas Download PDFInfo
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- CN106753503A CN106753503A CN201611097766.1A CN201611097766A CN106753503A CN 106753503 A CN106753503 A CN 106753503A CN 201611097766 A CN201611097766 A CN 201611097766A CN 106753503 A CN106753503 A CN 106753503A
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- 239000004058 oil shale Substances 0.000 title claims abstract description 99
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003079 shale oil Substances 0.000 title claims abstract description 18
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 16
- 230000003647 oxidation Effects 0.000 title claims abstract description 15
- 239000000284 extract Substances 0.000 title claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 67
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 14
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- 229930195733 hydrocarbon Natural products 0.000 claims description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052763 palladium Inorganic materials 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 16
- 230000009471 action Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 36
- 238000005516 engineering process Methods 0.000 description 19
- 238000005336 cracking Methods 0.000 description 17
- 238000003860 storage Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000011435 rock Substances 0.000 description 6
- 238000003912 environmental pollution Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000015076 Shorea robusta Nutrition 0.000 description 2
- 244000166071 Shorea robusta Species 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 101150006257 rig-4 gene Proteins 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000012962 cracking technique Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/08—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal with moving catalysts
- C10G1/086—Characterised by the catalyst used
-
- 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
-
- 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/70—Catalyst aspects
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of method that oil shale in-situ catalytic oxidation extracts shale oil gas, comprise the following steps：(1) several mouthfuls of heat injection wells and producing well to targeted oil shale layer are bored；(2) hydraulic fracturing man seam is carried out using vertical shaft perforation or horizontal well of fetching water, is pressed into the gap of underground with fracturing fluid proppant and catalyst are well mixed according to certain volume ratio when making seam after, proppant and catalyst is full of whole pressure break area；(3) oil shale layer is heated to the mixed gas that oil shale layer injects heat by heat injection well, oil shale layer temperature is reached 200 DEG C；(4) when oil shale layer temperature reaches certain limit, stop heating mixed gas, continue to be passed through the mixed gas of normal temperature to oil shale layer；(5) shale oil gas is exploited, is separated and is processed on ground；Invention increases the sphere of action of catalyst, the catalytic action effect of catalyst is enhanced, for the abundant reaction of oil shale provides condition, so that the time required for improving the capacity usage ratio of oil shale in-situ exploitation and reacting.
Description
Technical field
The present invention relates to a kind of oil shale in-situ production technique, more particularly to a kind of oil shale in-situ catalytic oxidation is extracted
The method of shale oil gas.
Background technology
The transformation technology of current oil shale mainly includes two kinds of earth's surface retorting technique and ground in-situ transformation technology.
Earth's surface retorting technique refers to that oil shale mineral products are carried out into stripping exploitation, conveying, treatment, refinement from earth's surface or underground
Process.Major way is that shale oil is produced in destructive distillation in gas retort, is further processed into light-end products and various chemical industry are produced
Product.Although this technology is highly developed, there are problems that a lot, such as capacity usage ratio is low, floor space is big, cost
High, environmental pollution is serious etc..
Ground in-situ transformation technology refers to burying the oil shale in underground directly in ground in-situ heating, then by output
Oil gas extraction carries out separating the process meanses with deep processing to ground.The oil shale in-situ transformation technology compared with the retorting technique of ground
Have that oil shale conversion rate is high, floor space is small, and environmental pollution is small, it is adaptable to exploit deep layer, oil shale resources of thickness high etc.
Advantage.But the converted in-situ of oil shale does not have and largely puts into production, wherein two main factors are oil shale in-situ heating
The hot high cost and oil shale cracking reaction that needs add are slow.And can make without a kind of heating technique of economic and reliable now
Heating process can reduce the temperature needed for reacting, and accelerate oil shale cracking reaction, reduces cost.Therefore, one kind can be reduced
Minimum temperature needed for oil shale reaction, it is possible to which the technology for accelerating oil shale cracking reaction speed is necessary.
Oil shale in-situ physical heating position cracking technique more typical at present mainly includes three kinds：A, electric-heating technology；b、
Convective Heating technology；C, radiation and thermal technology.
The ICP transformation technologies that the Shell Oil Company are applied are a kind of electric-heating technologies.Heating is installed specifically in well
Rod, the heat produced using heating rod promotes oil shale to crack.There are some shortcomings in ICP technologies, such as：The power of heating element heater
It is small；Temperature loss is big；The efficiency of heating surface is low；The oil gas of generation is difficult movement, and the rate of recovery is more low.
Institutes Of Technology Of Taiyuan proposes a kind of Convective Heating technology.Group wells specifically is set on ground, after carrying out pressure burst communicatin
400~700 DEG C of high temperature hydrocarbon gas are passed through with convection type heating subterranean oil shale layer to oil shale layer, crack oil shale.
The method needs big calorimetric, and capacity usage ratio is relatively low and relatively costly.
LawrenceLivermore National Laboratories (LLNL) propose to heat the technology of shale using wireless radio frequency mode.
This technology belongs to radiation heating techniques, specifically is used for strengthening the heated body of subterranean oil shale in oil shale formation horizontal well drilling
Product, makes electric wave horizontal infection in rock stratum, although this radio-frequency technique heating penetration power is strong, and firing rate is very fast, but its skill
Art difficulty is larger, costly.
The content of the invention
The hot high cost added the invention aims to solve existing oil shale in-situ heating to need and oil shale cracking
Reaction is slow and capacity usage ratio is low, floor space is big, high cost, serious environmental pollution the problems such as, and the one kind for providing can
To reduce oil shale cracking minimum temperature, accelerate oil shale heating rate, reduce shale oil, the oil shale in-situ of gas cost of winning
The method that catalytic oxidation extracts shale oil gas.
This method mainly carries out hydraulic fracturing man seam using vertical shaft perforation or horizontal well, by with special ratios
Together it is pressed into the crack of stratum with fracturing fluid after proppant and catalyst are well mixed, it is full of whole pressure break area.Then
Oil shale is tentatively heated by injecting hot mixing gas.Heretofore described catalyst can not only reduce oil shale
Minimum temperature needed for cracking, may also speed up the speed of oil shale cracking reaction, while having no effect on the quality of shale oil.Should
Method is a kind of minimum temperature reacted using catalyst degradation and the skill of oil shale in-situ cracking is carried out by autocatalyzed oxidation
Art, it is possible to achieve the energy minimization of oil shale cracking, and the self-supporting and maximum of energy utilizes.
The present invention is comprised the following steps：
(1) several mouthfuls of heat injection wells and producing well to targeted oil shale layer are bored.
(2) hydraulic fracturing man seam is carried out using vertical shaft perforation or horizontal well of fetching water, by proppant and catalyst when making seam
It is pressed into the gap of underground with fracturing fluid after being well mixed according to certain volume ratio, makes proppant and catalyst full of whole pressure
Split plot.
(3) oil shale layer is heated to the mixed gas that oil shale layer injects heat by heat injection well, makes oil shale layer
Temperature reaches 200 DEG C.
(4) when oil shale layer temperature reaches certain limit, stop heating mixed gas, continue to be passed through to oil shale layer
The mixed gas of normal temperature.
(5) shale oil gas is exploited, is separated and is processed on ground.
Described pressure break mode can select vertical shaft perforating hydraulic pressure break or the extensive hydraulic fracturing of horizontal well.
Described catalyst and the volume ratio of proppant are 1：1000 to 6：1000.
Palladium/ruthenium content that described catalyst can be selected is 1%~3% palladium/ruthenium/carbon catalyst, and catalysis can be with
Selection platinum/ruthenium content is 1%~3% platinum/ruthenium/carbon catalyst.
The described mixing gas component for heating oil shale layer is the mixing such as oxygen, nitrogen, hydrocarbon gas, hydrogen
Thing, the component of mixed gas can be according to being adjusted the need for the different phase of reaction.
When described oil shale layer temperature is increased to 300 DEG C, stop heating mixed gas.
Oil shale in-situ exploitation of the present invention suitable for different buried depth difference thickness；The present invention can also be applied to group simultaneously
In various oil shale in-situ mining types such as well exploitation, twin-well exploitation, individual well exploitation and horizontal wells.
The particle diameter of the catalyst is art normal ranges, and the particle size range of proppant can be according to pressure break reality
Situation is selected.
The hydrocarbon gas that the oil shale cracking reaction initial stage produces in the present invention, methane, vapor etc. can be in palladium/ruthenium/carbon
There is oxidation reaction in the presence of catalyst, the minimum temperature needed for reducing oil shale cracking.
Palladium/ruthenium/carbon catalyst used in the present invention can allow the minimum temperature that oil shale is cracked be reduced to 200
℃。
Palladium/ruthenium/carbon catalyst that the present invention is used can accelerate the speed that oil shale is cracked with mixed gas effect, and increase
Voidage inside oiling shale.
The gas that cracking is produced when oil shale layer is preheated in the present invention is recycled into oily page after being heated with mixed gas
Catalytic oxidation is participated in rock stratum.
By controlling the percentage of mixed gas, flow, pressure and other parameters, formation temperature control certain in the present invention
Between temperature.
The high-temperature gas that oil shale cracking is produced in the present invention can be recycled into new production zone by extracting, to new
Production zone heated, capacity usage ratio can be improved.
The present invention can be used for the mineral that the solid-state of hyposmosis or solidifying state needs heat, such as oil shale in-situ exploitation,
Coal Gasification etc..
Beneficial effects of the present invention：
(1) present invention can be such that catalyst is filled into whole oil shale pressure break area crack with fracturing fluid, increase catalysis
The sphere of action of agent, enhances the catalytic action effect of catalyst.
(2) present invention in oil shale in cracking process because catalyst action can be such that oil shale porosity significantly increases
Plus, for the abundant reaction of oil shale provides condition.
(3) reduced needed for oil shale is cracked most in the presence of catalyst when the present invention can crack oil shale in-situ
Low temperature is reduced to 200 DEG C by 350 DEG C.Meanwhile, catalyst may also speed up the reaction rate of oil shale cracking.So as to improve oil
Time required for the capacity usage ratio of shale in-situ exploitation and reaction.
Brief description of the drawings
Fig. 1 is the twin-well exploitation pattern schematic diagram of the embodiment of the present invention.
Fig. 2 is the horizontal wells pattern diagram of the embodiment of the present invention.
Specific embodiment
Refer to shown in Fig. 1, be the first embodiment of the present invention, its well pattern is twin-well form, its specific embodiment party
Formula is as follows:
Somewhere oil shale buried depth is 65m~75m, and average oil content is 6%, and moisture content is 4%, containing fixed carbon 21%, top
Plate and base plate are fine and close shale.Specific implementation step is as follows:
(1) it is drilled well
A. it is distributed according to oil shale and is moved towards, few a bite gas injection well 1 and producing well 2 to mesh is drilled into using Advanced Drilling Technology
Mark oil shale layer depth is 77m, and gas injection well 1 and producing well 2 use identical well depth structure.
B. set up pressure break room in heat injection well 1, and 66m~74m sections of sleeve pipe of heat injection well 1 every one meter to producing well
2 direction perforation, then carries out man seam by the huge discharge fracturing fluid with certain viscosity.Make heat injection well 1 and producing well 2
Between form the passage that mixed gas, oil, the material such as water can pass through.
C. it is 1 by volume ratio:1000 catalyst 11 and the mixture of proppant 12 are uniformly pressed into oil shale formation
In crack, the two is set to be full of whole gap region.
D. pour into a mould the high temperature resistant cement base of 80~120cm in heat injection well 1 and the shaft bottom of producing well 2, and under enter it is resistant to elevated temperatures
In stainless steel floral tube to cement base.Nanometer heat insulating material will be wrapped up on the coaxial sleeve of heat injection well 1 and producing well 2, for hindering
Only well interior conduit is exchanged heat with the external world.
(2) ground installation is installed
A. ground installation is included into air compressor machine 3, heats heat-exchanger rig 4, step cooler 5, oil water separator 6, heavy oil
Oil storage tank 7, three phase separator 8, light oil oil storage tank 9 and wastewater treatment equipment 13 are coupled together.
B. heater heat exchanger 4 is connected respectively with the import of heat injection well 1 and step cooler 5 with the outlet of producing well 2
Pick up and, and sealed.
C. heating heat-exchanger rig 4 to the segment pipe of well head one of heat injection well 1 is carried out into Insulation.
(3) stage of reaction
A. the mixtures such as oxygen, nitrogen, hydrocarbon gas, hydrogen are passed through into heat exchanger 4 after air compressor 3 compresses to enter
Row heat exchange, heat exchanger outlet temperature is set to 230 DEG C, and hot mixing gas is transported to oil shale formation by heat injection well 1, to oily page
Rock carries out heating makes oil shale layer temperature reach 200 DEG C.
B. continue to heat, when oil shale layer temperature reaches 300 DEG C, due to mixed gas in the presence of catalyst and oily page
The catalytic oxidation that rock occurs is carried out rapidly.Now, can produce substantial amounts of methane, hydrocarbon gas now by adjusting injection gas
The pressure of body controls strata pressure within the specific limits.The cracking of oil shale can release big calorimetric, and this partial heat is sufficient
Enough oil shales continue to react.Therefore, stop the heating to mixed gas, start to the gaseous mixture that normal temperature is injected in stratum
Body.
C. when oil shale layer temperature continues to raise, by controlling the flow of mixed gas, pressure and other parameters by oil shale ground
Layer temperature control is at 450 DEG C~500 DEG C.
(4) oil gas and surface oil and gas treatment work are exploited
A. mixed gas enter stratum and lead to producing well 2 by crack via heat injection well 1 in whole heating process, due to sky
The swabbing action underground of press 3 mixed gas out sequentially pass through step cooler 5, oil water separator 6 and three phase separation
Device 8 turns again to compressor 3, loops back participation reaction in stratum after compression again.
B. recycle the oil gas for coming by producing well carries out classification cooling through apparatus for supercooling 5.
C. the mixture after cooling down passes first into oily-water seperating equipment 6 carries out water-oil separating, and the heavy-oil reservoir after separation is present
In heavy oil oil storage tank 7, remaining mixture continues to be passed through in three phase separator 8, and the light oil isolated is stored in light oil oil storage tank 9
In.
D. the gas that three phase separator 8 is isolated is heated after compressor 3 compresses by mixing and is passed through again by purification
Stratum re-uses.
E. the waste water isolated in step c and step d carries out uniform effluent again after wastewater treatment equipment 13 is processed, with
Exempt to cause environmental pollution.
Refer to shown in Fig. 2, be the second embodiment of the present invention, shale oil gas, its specific reality are exploited in horizontal well form
Apply mode as follows:
Somewhere oil shale depth is 78m~86m, and its average oil content is 10%, and moisture content is 4%, containing fixed carbon 21%,
Top board and base plate are fine and close shale.Specific implementation step is as follows:
(1) it is drilled well
A. two mouthfuls of water horizontal wells, a bite heat injection well 3 and a bite producing well 8, two are bored in oil shale layer using Advanced Drilling Technology
The depth of saliva horizontal well is mutually all 82m, and well spacing is 25 meters.
B. pressure break room is set up in heat injection well 3, is advised greatly to the horizontal direction of producing well 8 from the horizontal direction of heat injection well 3
Mould hydraulic fracturing man is stitched.Make to form the materials such as mixed gas, oil, water between heat injection well water horizontal well 3 and producing well horizontal well 8
The passage that can pass through.
C. it is 4 by volume ratio:1000 catalyst 15 and the mixture of proppant 16 are uniformly pressed into oil shale formation
In crack, the two is set to be full of whole gap region.
D. vertical shaft and horizontal well use advanced completion technique.
(2) ground installation is installed
A. ground installation is included into air compressor machine 1, heats heat-exchanger rig 2, step cooler 9, oil water separator 10, heavy oil
Oil storage tank 11, three phase separator 12, light oil oil storage tank 13 and wastewater treatment equipment 14 are coupled together according to correct connected mode.
B. heater heat exchanger 2 is connected respectively with the import of heat injection well 3 and step cooler 9 with the outlet of producing well 8
Pick up and, and sealed.
B. heating heat-exchanger rig 2 to the segment pipe of 3 well head of heat injection well one is carried out into Insulation.
(3) stage of reaction
A. the mixtures such as oxygen, nitrogen, hydrocarbon gas, hydrogen are passed through into heat exchanger 2 after air compressor 1 compresses to enter
Row heat exchange, heat exchanger outlet temperature is set to 230 DEG C, and hot mixing gas is transported to oil shale formation by heat injection well, to oily page
Rock carries out heating makes oil shale layer temperature reach 200 DEG C.
B. continue to heat, when oil shale layer temperature reaches 300 DEG C, due to mixed gas in the presence of catalyst and oily page
The catalytic oxidation that rock occurs is carried out rapidly.Now, can produce substantial amounts of methane, hydrocarbon gas now by adjusting injection gas
The pressure of body controls strata pressure within the specific limits.The cracking of oil shale can release big calorimetric, and this partial heat is sufficient
Enough oil shales continue to react.Therefore, stop the heating to mixed gas, start to the gaseous mixture that normal temperature is injected in stratum
Body.
C. when oil shale layer temperature continues to raise, by controlling the flow of mixed gas, pressure and other parameters by oil shale ground
Layer temperature control is at 450 DEG C~500 DEG C.
(4) oil gas and surface oil and gas treatment work are exploited
A. mixed gas enter stratum and lead to producing well 8 by crack via heat injection well 3 in whole heating process, due to sky
The swabbing action underground of press 1 mixed gas out sequentially pass through step cooler 9, oil water separator 10 and three phase separation
Device 12 turns again to compressor 1, loops back participation reaction in stratum after compression again.
B. recycle the oil gas for coming by producing well 8 carries out classification cooling by step cooler 9.
C. the mixture after cooling down passes first into oily-water seperating equipment 10 carries out water-oil separating, and the heavy-oil reservoir after separation is present
In heavy oil oil storage tank 11, remaining mixture continues to be passed through in three phase separator 12, and the light oil isolated is stored in light oil oil storage tank
In 14.
D. the gas that three phase separator 12 is isolated is heated after compressor 1 compresses by mixing and is passed through again by purification
Stratum re-uses.
E. the waste water isolated in step c and step d carries out uniform effluent again after wastewater treatment equipment 13 is processed, with
Exempt to cause environmental pollution.
Claims (6)
1. a kind of method that oil shale in-situ catalytic oxidation extracts shale oil gas, comprises the following steps：
(1) several mouthfuls of heat injection wells and producing well to targeted oil shale layer are bored；
(2) carry out hydraulic fracturing man seam using vertical shaft perforation or horizontal well of fetching water, when making seam by proppant and catalyst according to
It is pressed into the gap of underground with fracturing fluid after certain volume ratio is well mixed, proppant and catalyst is full of whole pressure break
Area；
(3) oil shale layer is heated to the mixed gas that oil shale layer injects heat by heat injection well, makes oil shale layer temperature
Reach 200 DEG C；
(4) when oil shale layer temperature reaches certain limit, stop heating mixed gas, continue to be passed through normal temperature to oil shale layer
Mixed gas；
(5) shale oil gas is exploited, is separated and is processed on ground.
2. the method that a kind of oil shale in-situ catalytic oxidation according to claim 1 extracts shale oil gas, its feature exists
In：Described pressure break mode selects vertical shaft perforating hydraulic pressure break or the extensive hydraulic fracturing of horizontal well.
3. the method that a kind of oil shale in-situ catalytic oxidation according to claim 1 extracts shale oil gas, its feature exists
In：Described catalyst and the volume ratio of proppant are 1：1000 to 6：1000.
4. the method that a kind of oil shale in-situ catalytic oxidation according to claim 1 extracts shale oil gas, its feature exists
In：The selection of described catalyst is 1%~3% palladium/ruthenium/carbon catalyst or for platinum/ruthenium content is for palladium/ruthenium content
1%~3% platinum/ruthenium/carbon catalyst.
5. the method that a kind of oil shale in-situ catalytic oxidation according to claim 1 extracts shale oil gas, its feature exists
In：The described mixing gas component for heating oil shale layer is the mixtures such as oxygen, nitrogen, hydrocarbon gas, hydrogen.
6. the method that a kind of oil shale in-situ catalytic oxidation according to claim 1 extracts shale oil gas, its feature exists
In：When described oil shale layer temperature is increased to 300 DEG C, stop heating mixed gas.
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| CN107474868A (en) * | 2017-09-29 | 2017-12-15 | 新疆国利衡清洁能源科技有限公司 | Oil shale underground liquefaction system and its method for producing oil |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101558216A (en) * | 2006-10-13 | 2009-10-14 | 埃克森美孚上游研究公司 | Enhanced shale oil production by in situ heating using hydraulically fractured producing wells |
| CN102209835A (en) * | 2008-11-06 | 2011-10-05 | 美国页岩油公司 | Heater and method for recovering hydrocarbons from underground deposits |
| WO2011116148A3 (en) * | 2010-03-16 | 2011-11-24 | Dana Todd C | Systems, apparatus and methods for extraction of hydrocarbons from organic materials |
| US20130153465A1 (en) * | 2008-06-18 | 2013-06-20 | Xyleco, Inc. | Processing Hydrocarbons |
| CN103464179A (en) * | 2013-09-24 | 2013-12-25 | 吉林大学 | Catalyst used for extracting shale oil from oil shale and application method of catalyst |
| CN103233713B (en) * | 2013-04-28 | 2014-02-26 | 吉林省众诚汽车服务连锁有限公司 | Method and process for extracting shale oil gas through oil shale in situ horizontal well fracture chemical destructive distillation |
| CN103696747A (en) * | 2013-11-09 | 2014-04-02 | 吉林大学 | Method for extracting shale oil and gas from oil shale in situ |
| CN103878031A (en) * | 2014-04-11 | 2014-06-25 | 西安建筑科技大学 | Catalyst for pyrolysis of oil shale as well as preparation method and use method of catalyst |
| CN104265257A (en) * | 2014-09-03 | 2015-01-07 | 北京普新石油技术开发有限公司 | Oil in-situ combustion huff and puff oil production method for assisting catalytic ignition by filling fracturing propping agent |
-
2016
- 2016-12-03 CN CN201611097766.1A patent/CN106753503A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101558216A (en) * | 2006-10-13 | 2009-10-14 | 埃克森美孚上游研究公司 | Enhanced shale oil production by in situ heating using hydraulically fractured producing wells |
| US20130153465A1 (en) * | 2008-06-18 | 2013-06-20 | Xyleco, Inc. | Processing Hydrocarbons |
| CN102209835A (en) * | 2008-11-06 | 2011-10-05 | 美国页岩油公司 | Heater and method for recovering hydrocarbons from underground deposits |
| WO2011116148A3 (en) * | 2010-03-16 | 2011-11-24 | Dana Todd C | Systems, apparatus and methods for extraction of hydrocarbons from organic materials |
| CN103233713B (en) * | 2013-04-28 | 2014-02-26 | 吉林省众诚汽车服务连锁有限公司 | Method and process for extracting shale oil gas through oil shale in situ horizontal well fracture chemical destructive distillation |
| CN103464179A (en) * | 2013-09-24 | 2013-12-25 | 吉林大学 | Catalyst used for extracting shale oil from oil shale and application method of catalyst |
| CN103696747A (en) * | 2013-11-09 | 2014-04-02 | 吉林大学 | Method for extracting shale oil and gas from oil shale in situ |
| CN103878031A (en) * | 2014-04-11 | 2014-06-25 | 西安建筑科技大学 | Catalyst for pyrolysis of oil shale as well as preparation method and use method of catalyst |
| CN104265257A (en) * | 2014-09-03 | 2015-01-07 | 北京普新石油技术开发有限公司 | Oil in-situ combustion huff and puff oil production method for assisting catalytic ignition by filling fracturing propping agent |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060717A (en) * | 2017-06-14 | 2017-08-18 | 长春工程学院 | A kind of oil shale underground in situ splitting cracking constructing device and construction technology |
| CN107060717B (en) * | 2017-06-14 | 2023-02-07 | 长春工程学院 | Oil shale underground in-situ cleavage cracking construction device and construction process |
| CN109424345A (en) * | 2017-09-01 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of method of in-situ retorting oil shale |
| CN107474868A (en) * | 2017-09-29 | 2017-12-15 | 新疆国利衡清洁能源科技有限公司 | Oil shale underground liquefaction system and its method for producing oil |
| CN108252700A (en) * | 2018-03-18 | 2018-07-06 | 西南石油大学 | A kind of shale oil-gas reservoir heat of oxidation swashs explosion remodeling method |
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| CN109113699A (en) * | 2018-07-12 | 2019-01-01 | 中国石油天然气股份有限公司 | Shale oil in-situ lightweight development method, device and system |
| US10995599B2 (en) | 2018-07-12 | 2021-05-04 | Petrochina Company Limited | Shale oil in-situ lightening development method, apparatus and system |
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| CN112031723B (en) * | 2019-06-04 | 2022-06-03 | 中国石油天然气股份有限公司 | Method for developing shale oil by adopting electric heating to assist in hydrocracking kerogen |
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| CN114876460B (en) * | 2022-05-12 | 2023-06-23 | 重庆大学 | Method for realizing fluidization exploitation by in-situ oxidative degradation of deep coal |
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