WO2014176933A1 - 油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 - Google Patents
油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 Download PDFInfo
- Publication number
- WO2014176933A1 WO2014176933A1 PCT/CN2014/000460 CN2014000460W WO2014176933A1 WO 2014176933 A1 WO2014176933 A1 WO 2014176933A1 CN 2014000460 W CN2014000460 W CN 2014000460W WO 2014176933 A1 WO2014176933 A1 WO 2014176933A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- oil
- gas
- oil shale
- well
- shale
- Prior art date
Links
- 239000004058 oil shale Substances 0.000 title claims abstract description 138
- 239000003079 shale oil Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 17
- 238000000605 extraction Methods 0.000 title claims abstract description 12
- 239000000126 substance Substances 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 238000010248 power generation Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000006004 Quartz sand Substances 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 9
- 239000007800 oxidant agent Substances 0.000 claims abstract description 8
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- 239000003570 air Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims description 54
- 238000004519 manufacturing process Methods 0.000 claims description 30
- 239000004576 sand Substances 0.000 claims description 17
- 238000005553 drilling Methods 0.000 claims description 13
- 239000011435 rock Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000009933 burial Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005488 sandblasting Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 229920002907 Guar gum Polymers 0.000 claims 2
- 238000003763 carbonization Methods 0.000 claims 2
- 238000004821 distillation Methods 0.000 claims 2
- 229960002154 guar gum Drugs 0.000 claims 2
- 235000010417 guar gum Nutrition 0.000 claims 2
- 239000000665 guar gum Substances 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 18
- 238000005755 formation reaction Methods 0.000 description 18
- 238000000197 pyrolysis Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000005422 blasting Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 235000020057 cognac Nutrition 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/243—Combustion in situ
- E21B43/247—Combustion in situ in association with fracturing processes or crevice forming processes
-
- 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
-
- 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
- E21B43/11—Perforators; Permeators
- E21B43/114—Perforators using direct fluid action on the wall to be perforated, e.g. abrasive jets
-
- 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
- E21B43/2405—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection in association with fracturing or crevice forming processes
-
- 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
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
Definitions
- the invention discloses an oil shale in-situ horizontal well fracturing chemical dry distillation extraction shale oil and gas method and process, and utilizes oil shale underground in situ extraction of shale oil as an unconventional oil and gas energy supplemented with insufficient petroleum resources, belonging to petroleum retorting Technical field.
- oil shale can refine shale oil, a man-made oil, by retorting technology to replace natural oil; it can also be used to generate electricity.
- shale refining has good economic benefits and is the most practical and feasible measure to supplement the shortage of natural oil.
- Oil shale power generation has better economic and environmental protection for coal-deficient provinces and districts.
- Social benefits However, the traditional development model is to use underground mining and retorting to produce shale oil. The disadvantages are many:
- the invention discloses an oil shale in-situ horizontal well fracturing chemical dry-feeding shale oil and gas method and process, which fundamentally solves the above disadvantages and problems brought by underground mining and above-ground retorting.
- high-pressure medium air, water, quartz sand
- a 3mm crack filling the gap support (quartz sand), establishing a hydrocarbon channel connecting the lower horizontal well; adding a heating device to the horizontal well above the oil shale layer to heat the oil shale layer to 55 (T60 (TC, initial oil page) Rock retorting, shale oil, gas, shale oil, gas from the lower horizontal well to the ground through the oil and gas channel; in the oil shale layer, through the upper horizontal well, the oxidant and oil shale are drained The oxidation of cyanine and fixed carbon occurs, and the generated thermal energy is used as a heat source for subsequent retorting to realize underground in-situ extraction of shale oil and gas; shale oil and gas derived from the ground are separated by surface gas-liquid separation device, and separated shale oil It is sent to the finished oil tank for storage and sales; the combustible gas is sent to the gas power generation device for power generation.
- the process for realizing the oil shale in-situ horizontal well fracturing chemical dry distillation extraction shale oil and gas method according to the present invention comprises the following steps:
- the inclined well is drilled on the ground to the upper part of the underground oil shale layer, and the horizontal well is drilled in parallel with the oil shale layer in the upper part of the oil shale layer. This is the fracturing combustion well. ;
- Drilling a number of inclined wells leading to the lower part of the oil shale formation on the rear ground of the fracturing combustion well shall be based on the penetrating oil shale formation and parallel to the oil shale formation in the lower part of the oil shale formation. Horizontal well, this is the export production well;
- the rubber base liquid is pumped from the annulus.
- the oil is pumped into the cross-linked rubber and sand (proportion 20 ⁇ 30 : 4 ( ⁇ 60 Increase the expansion strength;
- the spray is sprayed, and the sand is supported to support the fracture gap;
- the oil shale layer is heated to 55 (T60 (TC, measured and the production well is brought to a temperature of 200 °C, the gas supply is stopped, and part of the shale oil and gas are exported through the oil and gas channel).
- T60 TC, measured and the production well is brought to a temperature of 200 °C, the gas supply is stopped, and part of the shale oil and gas are exported through the oil and gas channel).
- the combustible gas separated by the gas-liquid separation device is sent to a gas power generation device for power generation.
- the hydraulic sleeve nozzle is mainly composed of an upper centralizer, a spray gun, a check valve, a lower centralizer, a sieve tube, and a boot shoe.
- the surface of the spray gun is provided with a nozzle, and one end of the spray gun is connected to the sleeve through a short connection, and One end is connected to the screen through a one-way valve; the outer side of the short joint is provided with an upper centralizer; the screen wall of the screen is evenly distributed with a plurality of sieve holes, the lower centralizer is sleeved on the screen tube, and the shoe is fixed on the top of the screen tube .
- the positive effect of the present invention is that - the first is the fracturing oil shale layer, the oil shale is extracted in situ underground, eliminating the large-scale exploitation of the oil shale mine and avoiding the environmental pollution caused by the ground smelting.
- the second is to use the asphaltene and fixed carbon remaining after dry distillation to achieve continuous underground dry distillation and self-sufficiency in heat.
- the third is the process of chemical heat strengthening treatment, which is not a single physical heating process, nor a subsurface spontaneous combustion process. During the reaction, the pores in the rock gradually increase, which is suitable for most oil shale formations.
- the distribution design of the fractured combustion well and the derived production well in the oil shale layer parallel to the oil shale layer is adopted, so that the contact area between the fractured combustion well and the derived production well and the oil shale layer is increased, and the drying ability is improved.
- the invention has the advantages of low investment, low operating cost, small environmental pollution, high resource utilization rate and quick effect of producing oil and gas.
- FIG. 1 is a schematic diagram of a method for in-situ horizontal well fracturing chemical retorting of oil shale according to the present invention
- FIG. 2 is a schematic view showing the distribution structure of the horizontal well of the present invention.
- Figure 3 is a schematic structural view of the hydraulic sleeve nozzle of the present invention.
- the total reserves of Fuyu Yichang Changchunling oil shale resources was 45.274 billion tons.
- the average grade of oil shale is 5.53%, the total amount of industrially developed resources is 18 billion, the buried depth is 160-800m, the roof and floor are gray-brown shale, and the average thickness of oil shale layer is 5m.
- the inclined shaft is drilled on the ground to the upper part of the underground oil shale layer 6, and the upper part of the oil shale layer 6 runs parallel to the oil shale layer 6 to drill the water.
- Pingjing this is the fracturing combustion well 1 (the diameter of the wellhead is 200);
- the number of inclined wells leading to the lower part of the oil shale formation 6 on the rear ground of the fracturing combustion well 1 shall be based on the penetrating oil shale layer 6, and parallel with the oil shale formation 6 in the lower part of the oil shale formation 6.
- Drill several horizontal wells this is to export production well 2 (wellhead diameter 200mm); as shown in Figure 2, fracturing combustion well 1 is located at the center, and six outlet production wells 2 are honeycombed with fracturing combustion well 1 as the center Distribution; drilling and fracturing combustion wells 1 and deriving production wells 2 to underground oil shale formations 6 on the ground, deriving production wells 2 shall be based on penetrating oil shale formations 6, said derivation of production wells 2 by fracturing combustion Well 1 is centered in an umbrella layout.
- the rubber base liquid is pumped from the annulus.
- the oil is pumped into the cross-linked rubber and sand (proportion 2 ( ⁇ 30: 4 ( ⁇ 60) Increase the expansion strength;
- the quartz sand is left to fill the gap support, and a plurality of oil and gas passages 8 are formed, and the plurality of oil and gas passages 8 are connected to the output production well 2;
- the first step is to wash the well and put the sand in the well on the ground.
- the wellhead is installed to the oil shale layer below 0. 5m sealed casing, and the expansion joint is used to close the gap between the casing and the well wall;
- the third step is to install a combustible gas and air input conduit and an electronic ignition system in the well, and close a wellhead that forms a combustion chamber in the oil shale interval;
- the LPG storage tank 14 and the oxidant tank 15 are fed with LPG and air from the fracturing combustion well 1 to the oil shale layer 6 through the material conveyor 9, and the igniting gas is ignited by the electronic ignition system;
- the oil shale layer 6 is heated to 550 ⁇ 60 (TC, the measured production well 2 is brought to a temperature of 20 (TC, stop supplying flammable gas, extracting part of the shale oil, The gas passes through the oil and gas channel 8 to export the production well 2 to the surface oil and gas separation device 3;
- the high-pressure air (air: lOOmV hours) is continuously injected into the fracturing combustion well 1 from the oxidant tank 15 through the material conveyor 9, so that the remaining asphaltenes and fixed carbon in the oil shale layer 6 after retorting are oxidized under high temperature conditions.
- the reaction generates a new combustible gas (while driving the shale oil and gas), and then the oil and gas channel 8 leads the ground to the gas-liquid separation device 3 by deriving the production well 2, thereby realizing underground in-situ extraction of shale oil and gas;
- the combustible gas separated by the gas-liquid separation device 3 is sent to the gas power generating device 5 through the discharge machine 10 for power generation.
- the total area of the mining area is 675. 5km2, the total resources are 6.172 billion tons, the developable resources are 4.94 billion tons, the average grade of oil shale is 5%, and the buried depth is 160-800m.
- the top and bottom plates are taupe shale, and the oil shale layer has an average thickness of 6 m.
- the number of inclined wells leading to the lower part of the oil shale formation 6 on the rear ground of the fracturing combustion well 1 shall be based on the penetrating oil shale layer 6, and parallel with the oil shale formation 6 in the lower part of the oil shale formation 6. Drill a few horizontal wells, this is the production of production well 2 (well.
- fracturing combustion well 1 is located in the center, six outlets are exported to production well 2 with fracturing combustion well 1 as the center In a honeycomb shape; drilling the fracturing combustion well 1 and deriving the production well 2 to the underground oil shale formation 6 on the ground, and deriving the production well 2 should be based on penetrating the oil shale formation 6, which leads to the production well 2
- the fracturing combustion well 1 has an umbrella-shaped layout centered on it.
- the quartz sand is left to fill the gap support, and a plurality of oil and gas passages are formed, and a plurality of oil and gas passages 8 are connected to the output production well 2;
- the first step is to wash the well and put the sand in the well on the ground.
- the wellhead is installed to the oil shale layer below 0. 5m sealed casing, and the expansion joint is used to close the gap between the casing and the well wall;
- the third step is to install a combustible gas and air input conduit and an electronic ignition system in the well, and close Wellhead, in oil shale The interval forms a combustion chamber;
- the LPG storage tank 14 and the oxidant tank 15 are fed with LPG and air from the fracturing combustion well 1 to the oil shale layer 6 through the material conveyor 9, and the igniting gas is ignited by the electronic ignition system;
- the oil shale layer 6 is heated to 55 ( ⁇ 600 ⁇ , and the measured production well 2 is measured to reach a gas temperature of 20 (TC, stop supplying flammable gas, and drive out part of the shale oil and gas passage).
- the oil and gas channel 8 leads the production well 2 to the surface oil and gas separation device 3;
- the oxidation energy generated by the oxidation of the asphaltenes and the fixed carbon contained in the oil shale layer 6 into the oil shale layer 6 is used as a heat source for the subsequent dry distillation, and the shale generated by the progressive dry distillation oil shale.
- the high-pressure air (air: 1000 m 3 /hour) is continuously injected into the fracturing combustion well 1 by the oxidant tank 15 through the material conveyor 9, so that the asphaltenes and fixed carbon remaining after the retorting in the oil shale layer 6 are under high temperature conditions.
- the oxidation reaction is carried out to generate a new combustible gas (while driving shale oil and gas), and then the oil and gas channel 8 is led out of the production well 2 to be introduced into the gas-liquid separation device 3, thereby realizing underground in-situ extraction of shale oil and gas. ;
- the combustible gas separated by the gas-liquid separation device 3 is sent to the gas power generating device 5 through the discharge machine 10 for power generation.
- the hydraulic sleeve nozzle according to the embodiment 2 is mainly composed of an upper centralizer 16, a spray gun 17, a one-way wide 19, a lower centralizer 20, a screen 22, a shoe 23, a sleeve 23, and a short circuit. 24, wherein the surface of the spray gun 17 is provided with a nozzle 18, one end of the spray gun 17 is connected to the sleeve 23 through the short joint 24, and the other end is connected to the screen 21 through the check valve 19; the outer sleeve of the short joint 24 is upright
- the screen 16 has a plurality of sieve holes uniformly distributed on the pipe wall, the lower centralizer 20 is sleeved on the screen 21, and the shoe 22 is fixed on the top of the screen 21.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
一种油页岩原位水平井压裂化学干馏提取页岩油气方法,在地面上打钻斜井至地下油页岩层上部,并在油页岩层上部打钻平行于油页岩层的水平井。在上部水平井斜井的后方,打钻通往油页岩层下部的斜井,并与油页岩层下部平行打钻水平井。向油页岩层上部水平井注入高压介质(空气、水、石英砂),以油页岩层上部水平井为中心将油页岩层压裂出1-3mm裂缝,填充缝隙支撑物,建立起连接下部水平井的油气通道。在油页岩层上部水平井中加入加热装置,给油页岩层加温至550°C,初始干馏油页岩,驱提页岩油、气,页岩油、气通过油气通道由下部水平井导出地面。之后通往氧化剂与油页岩干馏后所含的沥青质和固定碳发生氧化反应,产生的热能作为后续干馏之热源,实现地下原位提取页岩油。导出的地面的页岩油、气经过地面气液分离装置分离,分离的页岩油送至成品油罐存储销售;可燃气送至燃气发电装置用来发电,解决当前地上干馏开采成本大、尾渣处理难、环保问题多、土地占用量大这一世界难题。另外一种实施上述方法的工艺,和上述方法中使用的喷头被公开。
Description
说 明 书
油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 技术领域
本发明公开一种油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺,利用油 页岩地下原位提取页岩油, 作为补充石油资源不足的非常规油气能源, 属于石油干馏技 术领域。
技术背景
目前, 油页岩可通过干馏技术炼制页岩油 --一人造石油, 来替补天然石油; 亦可利 用其燃烧发电。 在当前油价居高不下形势下, 页岩炼油具有良好的经济效益, 是补充天 然石油不足的最现实可用的一大措施; 油页岩发电, 对缺煤省、 区更具有良好的经济、 环保、 社会效益。 但是, 传统的开发模式都是采取地下开采, 地上干馏生产页岩油, 其 缺点很多:
( 1 ) 地上干镏采掘成本大;
(2 ) 地上干馏土地占用量大;
(3) 地上干馏造成了大量的土地塌陷;
(4) 地上干馏后的残渣处理难度大, 大量堆积造成二次污染;
( 5 ) 地上干馏后排渣需用水冷却, 含热残渣的热能没有利用;
(6)地上干馏产生的废气、 污水对环境污染超标。
发明内容
本发明公开了一种油页岩原位水平井压裂化学干馈提取页岩油气方法及工艺,从根 本上解决了地下开采、 地上干馏所带来的上述缺点和问题。
本发明公开的油页岩原位水平井压裂化学干馏提取页岩油气方法,其技术解决方案 如下:
在地面上打钻斜井至地下油页岩层上部, 并在油页岩层上部打钻平行与油页岩层的 水平井; 与上部水平井斜井的后方, 打钻通往油页岩层下部的斜井, 并与油页岩层下部 平行打钻水平井; 向油页岩层上部水平井注入高压介质 (空气、 水、 石英砂), 以油页岩 层上部水平井为中心将油页岩层压裂出 1一 3mm裂缝, 填充缝隙支撑物(石英砂), 建立 起连接下部水平井的油气通道; 在油页岩层上部水平井中加入加热装置, 将油页岩层加 温至 55(T60(TC, 初始油页岩干馏, 驱提页岩油、 气, 页岩油、 气通过油气通道由下部 水平井导出地面; 在油页岩层中, 通过上部水平井通入氧化剂与油页岩干熘后所含的沥
青质和固定碳发生氧化反应, 产生的热能作为后续干馏之热源, 实现地下原位提取页岩 油、 气; 导出地面的页岩油、 气经过地面气液分离装置分离, 分离的页岩油送至成品油 罐存储销售; 可燃气送至燃气发电装置用来发电。
实现本发明所述油页岩原位水平井压裂化学干馏提取页岩油气方法的工艺, 包括 以下步骤:
1 )根据油页岩层分布、 走向、 埋藏情况, 在地面上打钻斜井至地下油页岩层上部, 并在油页岩层上部与油页岩层平行走向打钻水平井, 此为压裂燃烧井;
2) 在压裂燃烧井的后方地面上打钻数口通往油页岩层下部的斜井, 应以穿透油页 岩层为准, 并与油页岩层下部与油页岩层平行走向打钻数口水平井, 此为导出生产井;
3) 在压裂燃烧井水平段中建立压裂室, 取出钻井套管, 通过压裂燃烧井向油页岩 层注入高压介质, 将油页岩层压裂出若干条 1一 3醒的裂缝, 填充缝隙支撑物石英砂, 建立起油气通道, 具体步骤如下:
①通井和洗井;
②向井筒内下入水力套管喷头;
③封闭套管与岩壁空隙, 使油页岩层形成封闭的压裂空间;
④水力喷砂射孔, 先泵入基液 (水)和携砂液(2(Γ35%的砂浆)(切割阶段), 当携砂 液距喷嘴 250m 左右时, 迅速提升泵速以确保获得切割射孔所需的足够的压差
( 55〜80MPa);
⑤在喷砂射孔 2-3min后, 将喷空碎岩顶替;
⑥按照设计环空排量或环空最高压力所允许的最高泵速由环空泵入胍胶基液,按照 设计由油管的泵入交联胍胶和砂 (比例 20〜30 : 4(Γ60) 增加膨胀力度;
⑦压后放喷, 冲砂支撑压裂缝隙;
⑧向井筒内注入液体暂堵剂;
⑨上提钻具, 上提钻具至设计位置, 压裂下一层, 重复③ ~⑥步。
3 )在压裂燃烧井建立燃烧室,
①洗井, 将压裂燃烧井内的砂水提出地面,
②压裂燃烧井口加装至油页岩层下 0. 5ra密封套管, 利用膨胀剂封闭套管与井壁空 隙;
③在压裂燃烧井内加装可燃气和空气输入导管和电子点火系统, 封闭井口, 在油页
岩层段形成燃烧室;
④通过可燃气输送管向燃烧室输送 LPG和空气; 利用电子点火系统点燃可燃气;
⑤引燃油页岩后,给油页岩层加温至 55(T60(TC,测得导出生产井来气温度达到 200 °C,停止供可燃气,驱提部分页岩油、气通过油气通道导出生产井至地面油气分离装置;
4 )继续向井内注入髙压空气, 使油页岩层中干馏后剩余的沥青质和固定碳发生氧 化反应, 在高温条件下进行氧化反应, 产生新的可燃气体 (同时驱提页岩油、 气)通过 油气通道及导出生产井导出地面;
5 ) 导出地面的页岩油、 气经过地面气液分离装置分离, 分离下来的页岩油送至成 品油罐存储销售;
6 ) 经气液分离装置分离下来的可燃气体送至燃气发电装置用来发电。
所述的水力套管喷头, 主要由上扶正器、 喷枪、 单向阀、 下扶正器、 筛管、 引鞋组 成, 喷枪的表面设有喷嘴, 喷枪的一端通过短接与套管连通, 另一端通过单向阀与筛管 连通; 短接的外侧套有上扶正器; 筛管的管壁上均匀分布有若干筛孔, 下扶正器套在筛 管上, 引鞋固定在筛管的顶部。
本发明的积极效果在于- 一是压裂油页岩层, 油页岩在地下原位提取, 免去了对油页岩矿的大量开采、 避免 了地上冶炼带来的环境污染。 二是利用干馏后剩余的沥青质、 固定碳, 实现了地下连续 干馏, 热量自给自足。 三是化学热强化处理的过程, 不是单一的物理加热处理过程, 也 不是地下自燃处理过程,在反应过程中岩石内孔隙逐步增大,其适用于多数油页岩地层。 四是采用压裂燃烧井和导出生产井在油页岩层中与油页岩层平行的分布设计,使压裂燃 烧井和导出生产井与油页岩层的接触面积增加, 干熘能力提高。 本发明具有投资少、 运 营成本低、 环境污染小、 资源利用率高和产油产气见效快等优点。
附图说明
图 1为本发明油页岩原位水平井压裂化学干馏方法原理图;
图 2本发明水平井分布结构示意图;
图 3为本发明水力套管喷头结构原理图;
图中: 1、 压裂燃烧井; 2、 导出生产井; 3、 气液分离装置; 4、 成品油罐; 5、 燃 气发电装置; 6、 油页岩层; 7、 其他岩层; 8、 油气通道; 9、 物料输送机; 10排送机; 11、 抽油泵; 12、 裂缝; 13、 压裂液罐; 14、 LPG储存罐; 15、 氧化剂罐; 16、 上扶正 器; 17、 喷枪; 18、 喷嘴; 19、 单向阀; 20、 下扶正器; 21、 筛管; 22、 引鞋; 23、 套
管; 24、 短接。
具体实施方式
以下通过具体实施例详细说明本发明的实施过程和产生的有益效果, 旨在帮助阅读 者更好地理解本发明的实质和特点, 不作为对本案可实施范围的限定。
实施例 1
结合扶余三骏乡油页岩矿作为实施基地, 扶余一一长春岭油页岩资源总储量为 452. 74亿吨。油页岩平均品位 5. 53%,可工业开发的资源总量为 180亿,埋深 160— 800m, 顶板和底板均为灰褐色页岩, 油页岩层平均厚度 5m。
如附图 1所示, 根据油页岩层分布、 走向、 埋藏情况, 在地面上打钻斜井至地下油 页岩层 6上部, 并在油页岩层 6上部与油页岩层 6平行走向打钻水平井, 此为压裂燃烧 井 1 (井口直径 200麵);
在压裂燃烧井 1的后方地面上打钻数口通往油页岩层 6下部的斜井,应以穿透油页 岩层 6为准, 并与油页岩层 6下部与油页岩层 6平行走向打钻数口水平井, 此为导出生 产井 2 (井口直径 200mm) ; 结合附图 2所示, 压裂燃烧井 1位于中心, 六口导出生产井 2以压裂燃烧井 1为中心呈蜂窝形分布; 在地面上打钻压裂燃烧井 1和导出生产井 2至 地下油页岩层 6, 导出生产井 2应以穿透油页岩层 6为准, 所述的导出生产井 2以压裂 燃烧井 1为中心的呈伞形布局。
2 ) 在压裂燃烧井中建立压裂室, 取出钻井套管, 通过压裂燃烧井向油页岩层注入 高压介质, 将油页岩层压裂出若干条 1一 3mm的裂缝, 填充缝隙支撑物石英砂, 建立起 油气通道, 具体步骤如下:
①通井和洗井;
②向井筒内下入水力套管喷头;
③封闭套管与岩壁空隙, 使油页岩层形成封闭的压裂空间;
④水力喷砂射孔,在压裂燃烧井 1中通过物料输送机 9由压裂液罐 13向油页岩层 6 注入基液 (水)和携砂液 (2(Γ35%的砂浆) (切割阶段), 当携砂液距喷嘴 250m左右时, 迅速提升泵速以确保获得切割射孔所需的足够的压差(55~80MPa)将油页岩层 6压裂出 1一 3ram裂缝 12,
⑤在喷砂射孔 2- 3rain后, 将喷空碎岩顶替;
⑥按照设计环空排量或环空最高压力所允许的最高泵速由环空泵入胍胶基液,按照 设计由油管的泵入交联胍胶和砂 (比例 2(Γ30 : 4(Γ60) 增加膨胀力度;
⑦压后放喷, 剩下石英砂成为填充缝隙支撑物, 形成多条油气通道 8, 多条油气通 道 8与导出生产井 2汇集连通;
⑧向井筒内注入液体暂堵剂;
(D上提钻具, 上提钻具至设计位置, 继续进行上层压裂过程重复压裂, 直至油页 岩层全部压裂完全。
3 )在压裂燃烧井建立燃烧室,
第一步, 洗井, 将井内的砂水提出地面,
第二步, 井口加装至油页岩层下 0. 5m密封套管, 利用膨胀剂封闭套管与井壁空隙; 第三步, 在井内加装可燃气和空气输入导管和电子点火系统, 封闭井口, 在油页岩 层段形成燃烧室;
第四步, LPG储存罐 14和氧化剂罐 15通过物料输送机 9由压裂燃烧井 1向油页岩 层 6加入 LPG和空气, 利用电子点火系统点燃可燃气;
第六步, 引燃油页岩后, 给油页岩层 6加温至 550〜60(TC, 测得导出生产井 2来气 温度达到 20(TC, 停止供可燃气, 驱提部分页岩油、 气通过油气通道 8导出生产井 2至 地面油气分离装置 3 ;
4) 通过物料输送机 9由氧化剂罐 15继续向压裂燃烧井 1内注入高压空气 (空气: lOOOmV小时), 使油页岩层 6中干馏后剩余的沥青质和固定碳在高温条件下进行氧化反 应, 产生新的可燃气体 (同时驱提页岩油、 气), 再由油气通道 8通过导出生产井 2导 出地面进入到气液分离装置 3, 实现地下原位提取页岩油、 气;
5 ) 导出地面的页岩油、 气经过地面气液分离装置 3分离, 分离下来的页岩油通过 抽油泵 11送至成品油罐 4存储销售。
6)经气液分离装置 3分离下来的可燃气体通过排送机 10送至燃气发电装置 5用来 发电。
实施例 2
结合农安油页岩矿作为实施基地,矿区总面积 675. 5km2, 总资源量 61. 72亿吨, 可 开发资源量 49. 4亿吨, 油页岩平均品位 5%, 埋深 160— 800m, 顶板和底板均为灰褐色 页岩, 油页岩层平均厚度 6m。
1 ) 如附图 1所示, 根据油页岩层分布、 走向、 埋藏情况, 在地面上打钻斜井至地 下油页岩层 6上部, 并在油页岩层 6上部与油页岩层 6平行走向打钻水平井, 此为压裂
燃烧井 1 (井口直径 200謹);
在压裂燃烧井 1的后方地面上打钻数口通往油页岩层 6下部的斜井,应以穿透油页 岩层 6为准, 并与油页岩层 6下部与油页岩层 6平行走向打钻数口水平井, 此为导出生 产井 2 (井.口直径 200議); 结合附图 2所示, 压裂燃烧井 1位于中心, 六口导出生产井 2以压裂燃烧井 1为中心呈蜂窝形分布; 在地面上打钻压裂燃烧井 1和导出生产井 2至 地下油页岩层 6, 导出生产井 2应以穿透油页岩层 6为准, 所述的导出生产井 2以压裂 燃烧井 1为中心的呈伞形布局。
2) 在压裂燃烧井中建立压裂室, 取出钻井套管, 通过压裂燃烧井向油页岩层注入 高压介质, 将油页岩层压裂出若干条 1一 3誦的裂缝, 填充缝隙支撑物石英砂, 建立起 油气通道, 具体步骤如下:
①通井和洗井;
②向井筒内下入水力套管喷头;
③封闭套管与岩壁空隙, 使油页岩层形成封闭的压裂空间;
④水力喷砂射孔,在压裂燃烧井 1中通过物料输送机 9由压裂液罐 13向油页岩层 6 注入基液 (水)和携砂液 (2(Γ35%的砂桨) (切割阶段), 当携砂液距喷嘴 250m左右时, 迅速提升泵速以确保获得切割射孔所需的足够的压差(55〜80MPa)将油页岩层 6压裂出 1— 3mm裂缝 12,
⑤在喷砂射孔 2-3min后, 将喷空碎岩顶替;
⑥按照设计环空排量或环空最高压力所允许的最高泵速由环空泵入胍胶基液,按照 设计由油管的泵入交联胍胶和砂 (增加膨胀力度);
⑦压后放喷, 剩下石英砂成为填充缝隙支撑物, 形成多条油气通道 8, 多条油气通 道 8与导出生产井 2汇集连通;
⑧向井筒内注入液体暂堵剂;
(D上提钻具, 上提钻具至设计位置, 继续进行上层压裂过程重复压裂, 直至油页 岩层全部压裂完全。
3)在压裂燃烧井建立燃烧室,
第一步, 洗井, 将井内的砂水提出地面,
第二步, 井口加装至油页岩层下 0. 5m密封套管, 利用膨胀剂封闭套管与井壁空隙; 第三步, 在井内加装可燃气和空气输入导管和电子点火系统, 封闭井口, 在油页岩
层段形成燃烧室;
第四步, LPG储存罐 14和氧化剂罐 15通过物料输送机 9由压裂燃烧井 1向油页岩 层 6加入 LPG和空气, 利用电子点火系统点燃可燃气;
第六步, 引燃油页岩后, 给油页岩层 6加温至 55(Γ600Ό, 测得导出生产井 2来气 温度达到 20(TC, 停止供可燃气, 驱提部分页岩油、 气通过油气通道 8导出生产井 2至 地面油气分离装置 3;
通过向油页岩层 6中通入氧化剂与油页岩干馏后所含的沥青质和固定碳发生氧化反 应, 产生的热能作为后续干馏之热源, 递进式干馏后期油页岩, 生成的页岩油、 气通过
4) 通过物料输送机 9由氧化剂罐 15继续向压裂燃烧井 1内注入高压空气 (空气: 1000m3/小时), 使油页岩层 6中干馏后剩余的沥青质和固定碳在高温条件下进行氧化反 应, 产生新的可燃气体 (同时驱提页岩油、 气), 再由油气通道 8通过导出生产井 2导 出地面进入到气液分离装置 3, 实现地下原位提取页岩油、 气;
5 ) 导出地面的页岩油、 气经过地面气液分离装置 3分离, 分离下来的页岩油通过 抽油泵 11送至成品油罐 4存储销售。
6 )经气液分离装置 3分离下来的可燃气体通过排送机 10送至燃气发电装置 5用来 发电。
实施例 3
根据图 3, 实施例广 2涉及的水力套管喷头, 主要是由上扶正器 16、 喷枪 17、单向 阔 19、 下扶正器 20、 筛管 22、 引鞋 23、 套管 23、 短接 24组成, 其中, 喷枪 17的表面 设有喷嘴 18,喷枪 17的一端通过短接 24与套管 23连通,另一端通过单向阀 19与筛管 21连通; 短接 24的外侧套有上扶正器 16; 筛管 21的管壁上均匀分布有若干筛孔, 下 扶正器 20套在筛管 21上, 引鞋 22固定在筛管 21的顶部。
Claims
1、 一种油页岩原位水平井压裂化学干馏提取页岩油气方法, 其特征在于: 在地面上打钻斜井至地下油页岩层上部, 并在油页岩层上部打钻平行与油页岩层 的水平井; 与上部水平井斜井的后方, 打钻通往油页岩层下部的斜井, 并与油页岩层 下部平行打钻水平井; 向油页岩层上部水平井注入高压介质(空气、 水、 石英砂), 以 油页岩层上部水平井为中心将油页岩层压裂出 1一 3讓裂缝,填充缝隙支撑物 (石英砂), 建立起连接下部水平井的油气通道; 在油页岩层上部水平井中加入加热装置, 将油页 岩层加温至 55(T600°C, 初始油页岩干馏, 驱提页岩油、 气, 页岩油、 气通过油气通道 由下部水平井导出地面; 在油页岩层中, 通过上部水平井通入氧化剂与油页岩干馏后 所含的沥青质和固定碳发生氧化反应, 产生的热能作为后续干馏之热源, 实现地下原 位提取页岩油、 气; 导出地面的页岩油、 气经过地面气液分离装置分离, 分离的页岩 油送至成品油罐存储销售; 可燃气送至燃气发电装置用来发电。
2、、 实现权利要求 1所述油页岩原位水平井压裂化学干馏提取页岩油气方法的工 艺, 包括以下步骤:
1 )根据油页岩层分布、走向、埋藏情况, 在地面上打钻斜井至地下油页岩层上部, 并在油页岩层上部与油页岩层平行走向打钻水平井, 此为压裂燃烧井;
2 )在压裂燃烧井的后方地面上打钻数口通往油页岩层下部的斜井, 应以穿透油页 岩层为准, 并与油页岩层下部与油页岩层平行走向打钻数口水平井, 此为导出生产井;
' 3)在压裂燃烧井水平段中建立压裂室, 取出钻井套管, 通过压裂燃烧井向油页岩 层注入高压介质, 将油页岩层压裂出若干条 1一 3隱的裂缝, 填充缝隙支撑物石英砂, 建立起油气通道, 具体步骤如下:
①通井和洗井;
②向井筒内下入水力套管喷头;
③封闭套管与岩壁空隙, 使油页岩层形成封闭的压裂空间;
④水力喷砂射孔, 先泵入基液(水)和携砂液 (20〜35%的砂浆) (切割阶段), 当携 砂液距喷嘴 250m 左右时, 迅速提升泵速以确保获得切割射孔所需的足够的压差
( 55〜80MPa);
⑤在喷砂射孔 2- 3min后, 将喷空碎岩顶替;
⑥按照设计环空排量或环空最高压力所允许的最高泵速由环空泵入胍胶基液, 按 照设计由油管的泵入交联胍胶和砂 (比例 2(Γ30 : 4(Γ60) 增加膨胀力度;
⑦压后放喷, 冲砂支撑压裂缝隙;
⑧向井筒内注入液体暂堵剂;
®上提钻具, 上提钻具至设计位置, 压裂下一层, 重复③〜⑥步。
3 )在压裂燃烧井建立燃烧室,
①洗并, 将压裂燃烧井内的砂水提出地面,
②压裂燃烧井口加装至油页岩层下 0. 5m密封套管,利用膨胀剂封闭套管与井壁空 隙:
③在压裂燃烧井内加装可燃气和空气输入导管和电子点火系统, 封闭井口, 在油 页岩层段形成燃烧室;
④通过可燃气输送管向燃烧室输送 LPG和空气; 利用电子点火系统点燃可燃气;
⑤引燃油页岩后, 给油页岩层加温至 55(T600'C , 测得导出生产井来气温度达到 200'C, 停止供可燃气, 驱提部分页岩油、 气通过油气通道导出生产井至地面油气分离 装置;
4 )继续向井内注入高压空气, 使油页岩层中干馏后剩余的沥青质和固定碳发生氧 化反应, 在高温条件下进行氧化反应, 产生新的可燃气体 (同时驱提页岩油、 气) 通 过油气通道及导出生产井导出地面;
5)导出地面的页岩油、 气经过地面气液分离装置分离, 分离下来的页岩油送至成 品油罐存储销售;
6) 经气液分离装置分离下来的可燃气体送至燃气发电装置用来发电。
3、 一种水力套管喷头, 其特征在于: 由上扶正器、 喷枪、 单向阀、 下扶正器、 筛 管、 引鞋组成, 喷枪的表面设有喷嘴, 喷枪的一端通过短接与套管连通, 另一端通过 单向阀与筛管连通; 短接的外侧套有上扶正器; 筛管的管壁上均匀分布有若千筛孔, 下扶正器套在筛管上, 引鞋固定在筛管的顶部。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/787,708 US9784086B2 (en) | 2013-04-28 | 2014-05-04 | Method and process for extracting shale oil and gas by fracturing and chemical retorting in oil shale in-situ horizontal well |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310152389.7 | 2013-04-28 | ||
CN201310152389.7A CN103233713B (zh) | 2013-04-28 | 2013-04-28 | 油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014176933A1 true WO2014176933A1 (zh) | 2014-11-06 |
Family
ID=48881776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/000460 WO2014176933A1 (zh) | 2013-04-28 | 2014-05-04 | 油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9784086B2 (zh) |
CN (1) | CN103233713B (zh) |
WO (1) | WO2014176933A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113011048A (zh) * | 2021-04-23 | 2021-06-22 | 西南石油大学 | 一种致密砾岩油藏水平井重复压裂模拟方法 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2015006808A (es) * | 2012-11-28 | 2015-08-06 | Nexen Energy Ulc | Metodo para incrementar la recuperacion de producto en fracturas proximas a pozos tratados por fractura. |
CN103232852B (zh) * | 2013-04-28 | 2014-03-26 | 吉林省众诚汽车服务连锁有限公司 | 油页岩原位竖井压裂化学干馏提取页岩油气的方法及工艺 |
CN103233713B (zh) * | 2013-04-28 | 2014-02-26 | 吉林省众诚汽车服务连锁有限公司 | 油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 |
CA2930632A1 (en) | 2013-11-15 | 2015-05-21 | Nexen Energy Ulc | Method for increasing gas recovery in fractures proximate fracture treated wellbores |
CN104612642B (zh) * | 2015-02-17 | 2017-05-10 | 吉林大学 | 一种井内油页岩层燃烧加热系统 |
CN106089174B (zh) * | 2016-06-30 | 2019-05-14 | 太原理工大学 | 水压致裂化学膨胀剂充填快速掘进巷道的方法 |
CN106223922B (zh) * | 2016-08-26 | 2020-06-26 | 中国石油集团川庆钻探工程有限公司 | 页岩气水平井支撑剂缝内屏蔽暂堵分段压裂工艺 |
CN106753503A (zh) * | 2016-12-03 | 2017-05-31 | 吉林大学 | 一种油页岩原位催化氧化法提取页岩油气的方法 |
CN107474868B (zh) * | 2017-09-29 | 2023-06-27 | 新疆国利衡清洁能源科技有限公司 | 油页岩地下制油系统及其制油方法 |
CN109854219B (zh) * | 2019-02-14 | 2023-12-12 | 赵金岷 | 油页岩对流原位开采循环加热系统及开采方法 |
CN111155965B (zh) * | 2020-03-10 | 2022-03-18 | 中国石油天然气集团有限公司 | 暂堵剂在裂缝内暂堵效果动态实验评估方法 |
CN112360345A (zh) * | 2020-10-27 | 2021-02-12 | 山东科技大学 | 一种极软煤层下瓦斯抽采孔注浆强化的方法、系统及应用 |
CN114526039A (zh) * | 2020-11-06 | 2022-05-24 | 中国石油化工股份有限公司 | 一种用于射孔井的复合暂堵参数设计方法及系统 |
US11834942B2 (en) | 2021-04-15 | 2023-12-05 | Iven Terez | Simultaneous gas-solid chemical stimulation of hydraulically fractured oil wells and gas-condensate wells in shales |
CN113376621B (zh) * | 2021-05-26 | 2023-04-07 | 哈尔滨工程大学 | 一种冰基水下声源探测装置及其探测方法 |
CN113374460B (zh) * | 2021-06-23 | 2022-09-02 | 沈阳化工大学 | 自热式地下干馏油页岩提取页岩油和高热值燃料气的方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2550496Y (zh) * | 2002-06-03 | 2003-05-14 | 大庆油田有限责任公司 | 油管输送射孔与生产联作管柱 |
CN201367892Y (zh) * | 2009-02-16 | 2009-12-23 | 中国石油集团川庆钻探工程有限公司井下作业公司 | 油气井井下水力喷射压裂酸化工具管柱结构 |
WO2011143053A1 (en) * | 2010-05-12 | 2011-11-17 | Schlumberger Canada Limited | Methods for unconventional gas reservoir stimulation with stress unloading for enhancing fracture network connectivity |
CN102444397A (zh) * | 2011-10-24 | 2012-05-09 | 国鼎(大连)投资有限公司 | 开采深层油页岩制取页岩油和油页岩气的方法 |
CN103232852A (zh) * | 2013-04-28 | 2013-08-07 | 吉林省众诚汽车服务连锁有限公司 | 油页岩原位竖井压裂化学干馏提取页岩油气的方法及工艺 |
CN103233713A (zh) * | 2013-04-28 | 2013-08-07 | 吉林省众诚汽车服务连锁有限公司 | 油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 |
CN203499664U (zh) * | 2013-04-28 | 2014-03-26 | 吉林省众诚汽车服务连锁有限公司 | 一种用于油页岩原位竖井压裂化学干馏提取页岩油气装置 |
CN203499663U (zh) * | 2013-04-28 | 2014-03-26 | 吉林省众诚汽车服务连锁有限公司 | 用于油页岩原位水平井压裂化学干馏提取页岩油气的装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3502372A (en) * | 1968-10-23 | 1970-03-24 | Shell Oil Co | Process of recovering oil and dawsonite from oil shale |
NZ567656A (en) * | 2005-10-24 | 2012-04-27 | Shell Int Research | Methods of filtering a liquid stream produced from an in situ heat treatment process |
AU2009251533B2 (en) * | 2008-04-18 | 2012-08-23 | Shell Internationale Research Maatschappij B.V. | Using mines and tunnels for treating subsurface hydrocarbon containing formations |
-
2013
- 2013-04-28 CN CN201310152389.7A patent/CN103233713B/zh active Active
-
2014
- 2014-05-04 WO PCT/CN2014/000460 patent/WO2014176933A1/zh active Application Filing
- 2014-05-04 US US14/787,708 patent/US9784086B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2550496Y (zh) * | 2002-06-03 | 2003-05-14 | 大庆油田有限责任公司 | 油管输送射孔与生产联作管柱 |
CN201367892Y (zh) * | 2009-02-16 | 2009-12-23 | 中国石油集团川庆钻探工程有限公司井下作业公司 | 油气井井下水力喷射压裂酸化工具管柱结构 |
WO2011143053A1 (en) * | 2010-05-12 | 2011-11-17 | Schlumberger Canada Limited | Methods for unconventional gas reservoir stimulation with stress unloading for enhancing fracture network connectivity |
CN102444397A (zh) * | 2011-10-24 | 2012-05-09 | 国鼎(大连)投资有限公司 | 开采深层油页岩制取页岩油和油页岩气的方法 |
CN103232852A (zh) * | 2013-04-28 | 2013-08-07 | 吉林省众诚汽车服务连锁有限公司 | 油页岩原位竖井压裂化学干馏提取页岩油气的方法及工艺 |
CN103233713A (zh) * | 2013-04-28 | 2013-08-07 | 吉林省众诚汽车服务连锁有限公司 | 油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 |
CN203499664U (zh) * | 2013-04-28 | 2014-03-26 | 吉林省众诚汽车服务连锁有限公司 | 一种用于油页岩原位竖井压裂化学干馏提取页岩油气装置 |
CN203499663U (zh) * | 2013-04-28 | 2014-03-26 | 吉林省众诚汽车服务连锁有限公司 | 用于油页岩原位水平井压裂化学干馏提取页岩油气的装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113011048A (zh) * | 2021-04-23 | 2021-06-22 | 西南石油大学 | 一种致密砾岩油藏水平井重复压裂模拟方法 |
Also Published As
Publication number | Publication date |
---|---|
US9784086B2 (en) | 2017-10-10 |
CN103233713A (zh) | 2013-08-07 |
US20160076350A1 (en) | 2016-03-17 |
CN103233713B (zh) | 2014-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014176933A1 (zh) | 油页岩原位水平井压裂化学干馏提取页岩油气方法及工艺 | |
WO2014176932A1 (zh) | 油页岩原位竖井压裂化学干馏提取页岩油气的方法及工艺 | |
CN103696747B (zh) | 一种油页岩原位提取页岩油气的方法 | |
CN103790563B (zh) | 一种油页岩原位局部化学法提取页岩油气的方法 | |
CN106884638B (zh) | 一种煤层气热力开采的原位加热方法 | |
CN103790516B (zh) | 一种利用热力射流高效破岩的钻井方法 | |
CN108756839B (zh) | 油页岩隔热增效原位转化方法及系统 | |
CN103122759B (zh) | 一种煤层气井多元热流体强化开采方法 | |
CN108487888B (zh) | 用于提高油页岩原位开采油气采收率辅助加热装置及方法 | |
WO2014044192A1 (zh) | 一种煤层气与煤共采方法 | |
CN102230372A (zh) | 一种稠油井多元热流体热采工艺 | |
CN1875168A (zh) | 从不可渗透的油页岩中采收碳氢化合物 | |
CN105134152A (zh) | 一种利用热力射流开采天然气水合物的方法及系统 | |
CN203499663U (zh) | 用于油页岩原位水平井压裂化学干馏提取页岩油气的装置 | |
CN106223910B (zh) | 向油藏注空气、富氧油裂解加电磁波增温空气驱采油方法 | |
CN102493795A (zh) | 液化氮气在油气层内气化压裂方法 | |
CN106437669A (zh) | 一种用于深部干热岩地层开采的热裂解造缝方法及系统 | |
CN104196507A (zh) | 一种火驱吞吐与火驱联动开采稠油的方法 | |
CN107387041A (zh) | 一种注临界介质油页岩单井吞吐转化工艺 | |
CN106437657A (zh) | 一种利用流体对油页岩进行原位改造和开采的方法 | |
CN104265258A (zh) | 一种压裂辅助火烧油层吞吐开采稠油的方法 | |
CN112983371A (zh) | 水平井同井缝间热流体及热流体耦合催化剂开采油页岩的方法 | |
CN109854221B (zh) | 一种井下注冷、制热交替工作循环致裂增透煤层系统及抽采方法 | |
CN111608624B (zh) | 一种利用地热开采稠油油藏的方法 | |
CN104265257B (zh) | 压裂支撑剂充填辅助催化点火的火烧油层吞吐采油方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14791915 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14787708 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14791915 Country of ref document: EP Kind code of ref document: A1 |