WO2014187023A1 - Diesel-type composite heat carrier generating system - Google Patents
Diesel-type composite heat carrier generating system Download PDFInfo
- Publication number
- WO2014187023A1 WO2014187023A1 PCT/CN2013/079036 CN2013079036W WO2014187023A1 WO 2014187023 A1 WO2014187023 A1 WO 2014187023A1 CN 2013079036 W CN2013079036 W CN 2013079036W WO 2014187023 A1 WO2014187023 A1 WO 2014187023A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diesel
- heat carrier
- composite heat
- pipeline
- water
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910001868 water Inorganic materials 0.000 claims abstract description 66
- 238000011084 recovery Methods 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 abstract description 24
- 239000000446 fuel Substances 0.000 abstract description 6
- 239000010779 crude oil Substances 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000000969 carrier Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000001569 carbon dioxide Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 239000002918 waste heat Substances 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
Definitions
- the invention relates to a diesel type composite heat carrier generating system, and belongs to the technical field of oil recovery technology. Background technique
- the composite heat carrier generated by the high temperature and high pressure composite heat carrier generator through closed combustion contains high temperature nitrogen, carbon dioxide and water vapor, and carries combustion heat.
- the composite heat carrier is injected into the oil layer through the injection line, which can comprehensively improve oil recovery and single well productivity.
- the composite heat carrier needs to adjust the temperature, flow rate and total amount according to the injection parameters to achieve higher recovery and single well productivity.
- reliable control of temperature, pressure and flow of composite heat carrier has become a reliable technology for effectively supplementing formation energy in low permeability oilfields.
- the composite heat carrier technology is not only suitable for heavy oil thermal recovery, but also suitable for re-production of uranium mines, so it is of great value. Summary of the invention
- the object of the present invention is to overcome the above-mentioned deficiencies and provide a diesel-type composite heat carrier generating system, which utilizes diesel fuel as a fuel to effectively reduce the operation in a qualified mining area on the basis of comprehensively improving oil recovery and single well productivity. Cost, reduce carbon emissions.
- the diesel-type composite heat carrier generating system proposed by the invention comprises a composite heat carrier generator, an air pipeline, a diesel pipeline and a softened water pipeline, and the input ends of the composite heat carrier generator are respectively connected with the air pipeline and the diesel pipeline and The softened water lines are connected.
- the air line is provided with a first air regulating valve, a second air regulating valve, an air mass flow meter, an air pressure transmitter and an air check valve in this order.
- the diesel pipeline is provided with a diesel regulating valve, a variable frequency high pressure oil pump, a first diesel pressure transmitter, a diesel filter, and a diesel Oil mass flow meter, second diesel pressure transmitter and diesel check valve.
- a diesel motor is connected to the diesel variable frequency high pressure oil pump.
- the softened water pipe is provided with a softening water regulating valve, a variable frequency high pressure water pump, a first water pressure transmitter, a water filter, a water mass flow meter, a second water pressure transmitter and a water check valve.
- the pump motor is connected to the variable frequency high pressure water pump.
- the output of the composite heat carrier generator is connected to the oil layer by a composite heat carrier transfer line.
- the composite heat carrier transfer line includes a heat carrier pressure transmitter, an output temperature transmitter, an output safety valve, a second nozzle, an output check valve, and an output shutoff valve that are sequentially connected through the pipeline.
- a composite water carrier generator is provided with a cooling water temperature transmitter.
- the output of the composite heat carrier generator is also connected to a waste liquid recovery line.
- the waste liquid recovery line includes an electric vent valve and a first nozzle connected to each other through a pipe, and the first nozzle connection is disposed between the output safety valve and the second nozzle.
- the diesel-type composite heat carrier generating system of the present invention utilizes diesel as a fuel, comprehensively improves oil recovery and single well productivity through diesel-type composite heat carrier, and reduces carbon emissions.
- FIG. 1 is a schematic view of a diesel-type composite heat carrier generating system according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of the principle of a diesel flow regulating system according to an embodiment of the present invention.
- Fig. 3 is a schematic view showing the principle of a temperature adjustment system according to an embodiment of the present invention.
- FIG. 4 is a schematic diagram of the principle of a safety control system according to an embodiment of the present invention. among them:
- a diesel-type composite heat carrier generating system includes a composite heat carrier generator 10, an air line 20, a diesel line 30, and a softened water line 40.
- the input of the composite heat carrier generator 10 is connected to an air line 20, a diesel line 30 and a demineralized water line 40, respectively.
- the air line 20 is provided with a first air regulating valve 21, a second air regulating valve 22, an air mass flow meter 23, an air pressure transmitter 24, and an air check valve 25 in this order.
- the air pressure transmitter 24 has an air pressure transmitter switch 24a.
- the diesel pipeline 30 is sequentially provided with a diesel regulating valve 31, a variable frequency high pressure oil pump 32, a first diesel pressure transmitter 33, a diesel filter 34, a diesel mass flow meter 35, a second diesel pressure transmitter 36 and a diesel check. Valve 37.
- a diesel motor 32a is connected to the diesel variable frequency high pressure oil pump 32.
- a first diesel pressure transmitter switch 33a is provided on the first diesel pressure transmitter 33.
- a second diesel pressure transmitter switch 36a is provided on the second diesel pressure transmitter 36.
- the softened water line 40 is sequentially provided with a softened water regulating valve 41, a variable frequency high pressure water pump 42, a first water pressure transmitter 43, a water filter 44, a water mass flow meter 45, a second water pressure transmitter 46, and a water stop. Return valve 47.
- a pump motor 42a is connected to the variable frequency high pressure water pump 42.
- the first water pressure transmitter 43 is provided with a first water pressure transmitter switch 43a.
- a second water pressure transmitter switch 46a is provided on the second water pressure transmitter 46.
- the output of the composite heat carrier generator 10 is coupled to the oil layer by a composite heat carrier transfer line.
- the composite heat carrier transfer line includes a heat carrier pressure transmitter 12, an output temperature transmitter 13, an output safety valve 14, a second nozzle 17, an output check valve 18, and an output shutoff valve 19 that are sequentially connected by a line.
- the composite heat carrier generator 10 is provided with a cooling water temperature transmitter 1 1 .
- the heat carrier pressure transmitter 12 is provided with a heat carrier pressure transmitter switch 12a.
- the waste heat recovery line is also connected to the output of the composite heat carrier generator 10.
- the waste liquid recovery line includes an electric vent valve 15 and a first nozzle connected to each other through a pipeline 16. The first nozzle 16 is connected between the output safety valve 14 and the second nozzle 17 .
- the input air is controlled by the second air regulating valve 22 and the air mass flow meter 23, and the fuel quality is adjusted by the variable frequency high pressure oil pump 32 and the diesel mass flow meter 35, and the variable frequency high pressure water pump 42 is adopted.
- the water mass flow meter 45 controls the softened water quality, monitors the measured output heat carrier temperature through the output temperature transmitter 13, realizes the high temperature and high pressure fuel composite heat carrier temperature regulation, and the high temperature and high pressure composite heat carrier flow control.
- the high-temperature and high-pressure composite heat carrier generated by the composite heat carrier generator 10 contains carbon dioxide, nitrogen and water vapor, and controls the temperature of the output heat carrier through the miscible vaporized water, and efficiently utilizes nitrogen, carbon dioxide and combustion heat to improve oil recovery and single well. New technology for thermal recovery technology of production capacity.
- the high-temperature and high-pressure composite heat carrier generated by the composite heat carrier generator 10 contains carbon dioxide, nitrogen and water vapor, and controls the temperature of the output heat carrier through the miscible vaporized water, so as to ensure the injection safety is strictly controlled according to a certain residual oxygen coefficient of 1.00 ⁇ 1.05.
- the oxygen content of the output heat carrier is far below the safety requirement of 5%, and the final output heat carrier is injected into the ground pipeline through the output tree through the output shut-off valve 19 according to the geological process requirements of the injected oil layer, under a certain temperature and pressure.
- the flow oil layer meets the requirements of oil production and oil increase process, and improves single well productivity and recovery.
- the injection flow rate is adjusted according to the amount of air in the high temperature and high pressure composite heat carrier injection process, and the diesel fuel flow is automatically adjusted after the given amount of air to make the heat carrier high temperature and high pressure closed combustion fully and completely, and output carbon dioxide, nitrogen and water.
- the diesel can be in accordance with a given ratio under high pressure conditions, and the corresponding amount of air is input into the diesel to ensure accurate combustion; the precise flow adjustment and system compensation cycle control of the diesel automatic flow automatic adjustment system
- the diesel can not only smoothly ignite at low flow and high pressure, but also realize high-pressure and large-flow precise control for continuous stable and safe combustion.
- the high-pressure softened water flow control system not only ensures the safe operation of the diesel composite heat carrier generator, but also ensures that the output heat carrier temperature can be Process requirements are controlled.
- FIG. 2 is a schematic diagram of the principle of a diesel flow regulating system according to an embodiment of the present invention.
- a diesel-type composite heat carrier generating system according to an embodiment of the present invention, through a diesel regulating valve 31 and a variable-frequency high-pressure oil pump 32, instantaneously cuts off diesel supply during shutdown, and adopts a frequency conversion high-pressure oil pump 32 and a PLC (programmable controller) program. Adjusting the diesel flow rate satisfies the ignition, running temperature requirements and high pressure combustion flow control stability requirements of the composite heat carrier generator.
- the diesel check valve 37 can prevent the safety of the composite heat carrier from flowing back when the pressure in the combustion chamber is too high.
- FIG. 3 is a schematic diagram of the principle of a temperature adjustment system according to an embodiment of the present invention.
- the present invention The diesel-type composite heat carrier generating system of the embodiment controls the water flow by the frequency conversion high-pressure water pump 42 frequency conversion, and realizes that the output heat carrier temperature satisfies the process requirement, and at the same time, the water flow control system ensures that the cooling water temperature satisfies the safe operation of the equipment, and ensures the diesel composite heat carrier.
- the generator core security is controlled.
- a diesel-type composite heat carrier generating system detects air pressure by an air pressure transmitter 24, and the air check valve 25 prevents the composite heat carrier from reversing the original pipe damage, and the air mass flow meter 23 Metering the injected air flow, pressure and flow rate in real time; through the diesel mass flow meter 35 of the diesel pipeline 30, the diesel check valve 37, the diesel pressure transmitters 33 and 36 to achieve flow control and safety protection of the fuel supply system;
- the water mass flow meter 45 of the road 40, the water check valve 47, the water filter 44, the water pressure transmitters 43 and 46 realize the water supply system guarantee and safety protection; the output temperature transmitter 13 through the output line, the output safety The valve 14, the electric venting valve 15, the output check valve 18 and the output shut-off valve 19 realize the injection process non-return, over-temperature, over-pressure alarm parking and emptying and pressure relief, forming a high-temperature
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- 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)
- Engine Equipment That Uses Special Cycles (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to a diesel-type composite heat carrier generating system, comprising a composite heat carrier generator, an air pipeline, a diesel pipeline, and a softened water pipeline. The input end of the composite heat carrier generator is respectively connected to the air pipeline, the diesel pipeline and the softened water pipeline, and the output end of the composite heat carrier generator is connected to an oil layer by means of a composite heat carrier transportation pipeline. The composite heat carrier transportation pipeline comprises a heat carrier pressure transmitter, an output temperature transmitter, an output safety valve, a second spray nozzle, an output check valve and an output stop valve which are connected in sequence via the pipeline. The diesel-type composite heat carrier generating system of the present invention uses the diesel as its fuel, comprehensively increases the recovery ratio of the crude oil and the productivity of a single well by means of diesel-type composite heat carriers, and reduces carbon emission.
Description
柴油型复合热载体发牛系统 技术领域 Diesel type composite heat carrier hair raising system
本发明涉及一种柴油型复合热载体发生系统， 属于采油工艺技术领域。 背景技术 The invention relates to a diesel type composite heat carrier generating system, and belongs to the technical field of oil recovery technology. Background technique
向油层注入饱和水蒸汽进行稠油热采是世界各国普遍采用的方法之一。 目 前， 分别向油层注入二氧化碳、 氮气也成为世界各国开展原油增产和提高采收 率技术的新突破， 并都已取得一定的采油效果和经济效益。 Injecting saturated steam into the reservoir for heavy oil thermal recovery is one of the methods commonly used in countries around the world. At present, the injection of carbon dioxide and nitrogen into the oil layer has also become a new breakthrough in the technology of increasing crude oil production and increasing recovery rate in all countries of the world, and has achieved certain oil recovery effects and economic benefits.
高温高压复合热载体发生器通过密闭燃烧所生成的复合热载体含有高温 的氮气、 二氧化碳及水蒸气， 并携带燃烧热量。 复合热载体通过注热管线全部 注入油层， 可以综合提高原油采收率和单井产能。 在注入时， 复合热载体需要 按照注入参数的要求来调节温度、 流量及总量， 以达到较高的采收率和单井产 能。 同时复合热载体温度、 压力、 流量的可靠控制也成为低渗透油田有效补充 地层能量的可靠技术。 The composite heat carrier generated by the high temperature and high pressure composite heat carrier generator through closed combustion contains high temperature nitrogen, carbon dioxide and water vapor, and carries combustion heat. The composite heat carrier is injected into the oil layer through the injection line, which can comprehensively improve oil recovery and single well productivity. At the time of injection, the composite heat carrier needs to adjust the temperature, flow rate and total amount according to the injection parameters to achieve higher recovery and single well productivity. At the same time, reliable control of temperature, pressure and flow of composite heat carrier has become a reliable technology for effectively supplementing formation energy in low permeability oilfields.
由于复合热载体中， 二氧化碳对原油具有溶解作用， 氮气对原油具有弹性 驱动作用，水蒸汽对原油具有热力作用，在现有基础上，可提高原油采收率 10% 以上。 复合热载体技术不仅适用于稠油热采， 同时也适用于已采铀矿的再次采 油， 因此具有十分重大的价值。 发明内容 Due to the dissolution of carbon dioxide on crude oil in the composite heat carrier, nitrogen has an elastic driving effect on the crude oil, and the steam has a thermal effect on the crude oil, and on the existing basis, the oil recovery can be increased by more than 10%. The composite heat carrier technology is not only suitable for heavy oil thermal recovery, but also suitable for re-production of uranium mines, so it is of great value. Summary of the invention
本发明的目的在于克服上述不足， 提供一种柴油型复合热载体发生系统， 它利用柴油作为燃料， 在综合提高原油采收率和单井产能的基础上， 在有条件 的矿区能够有效降低运行成本， 降低碳排放。 The object of the present invention is to overcome the above-mentioned deficiencies and provide a diesel-type composite heat carrier generating system, which utilizes diesel fuel as a fuel to effectively reduce the operation in a qualified mining area on the basis of comprehensively improving oil recovery and single well productivity. Cost, reduce carbon emissions.
本发明所提出的柴油型复合热载体发生系统， 包括复合热载体发生器、 空 气管路、柴油管路和软化水管路，复合热载体发生器的输入端分别与空气管路、 柴油管路和软化水管路相连接。 空气管路上依次设置有第一空气调节阀、 第二 空气调节阀、 空气质量流量计、 空气压力变送器和空气止回阀。 柴油管路上依 次设置有柴油调节阀、 变频高压油泵、 第一柴油压力变送器、 柴油过滤器、 柴
油质量流量计、 第二柴油压力变送器和柴油止回阀。 柴油变频高压油泵上连接 设置有柴油电机。 软化水管路上依次设置有软化水调节阀、 变频高压水泵、 第 一水压力变送器、 水过滤器、 水质量流量计、 第二水压力变送器和水止回阀。 变频高压水泵上连接设置有水泵电机。 复合热载体发生器的输出端通过复合热 载体输送管线与油层相连接。 复合热载体输送管线包括通过管路依次连接的热 载体压力变送器、 输出温度变送器、 输出安全阀、 第二喷嘴、 输出止回阀和输 出截止阀。 The diesel-type composite heat carrier generating system proposed by the invention comprises a composite heat carrier generator, an air pipeline, a diesel pipeline and a softened water pipeline, and the input ends of the composite heat carrier generator are respectively connected with the air pipeline and the diesel pipeline and The softened water lines are connected. The air line is provided with a first air regulating valve, a second air regulating valve, an air mass flow meter, an air pressure transmitter and an air check valve in this order. The diesel pipeline is provided with a diesel regulating valve, a variable frequency high pressure oil pump, a first diesel pressure transmitter, a diesel filter, and a diesel Oil mass flow meter, second diesel pressure transmitter and diesel check valve. A diesel motor is connected to the diesel variable frequency high pressure oil pump. The softened water pipe is provided with a softening water regulating valve, a variable frequency high pressure water pump, a first water pressure transmitter, a water filter, a water mass flow meter, a second water pressure transmitter and a water check valve. The pump motor is connected to the variable frequency high pressure water pump. The output of the composite heat carrier generator is connected to the oil layer by a composite heat carrier transfer line. The composite heat carrier transfer line includes a heat carrier pressure transmitter, an output temperature transmitter, an output safety valve, a second nozzle, an output check valve, and an output shutoff valve that are sequentially connected through the pipeline.
根据本发明的一个方面， 复合热载体发生器上设置有冷却水温度变送器。 根据本发明的一个方面， 复合热载体发生器的输出端还连接有废液回收管 路。 废液回收管路包括通过管路相互连接的电动排空阀和第一喷嘴， 所述第一 喷嘴连接设置于所述输出安全阀与第二喷嘴之间。 According to one aspect of the invention, a composite water carrier generator is provided with a cooling water temperature transmitter. According to one aspect of the invention, the output of the composite heat carrier generator is also connected to a waste liquid recovery line. The waste liquid recovery line includes an electric vent valve and a first nozzle connected to each other through a pipe, and the first nozzle connection is disposed between the output safety valve and the second nozzle.
与现有技术相比， 本发明的柴油型复合热载体发生系统， 利用柴油作为燃 料，通过柴油型复合热载体综合提高原油采收率和单井产能，并降低了碳排放。 附图概述 Compared with the prior art, the diesel-type composite heat carrier generating system of the present invention utilizes diesel as a fuel, comprehensively improves oil recovery and single well productivity through diesel-type composite heat carrier, and reduces carbon emissions. BRIEF abstract
本发明的特征 性能由以下的实施例及其附图进一步描述。 The features of the present invention are further described by the following examples and the accompanying drawings.
图 1为本发明 实施例的柴油型复合热载体发生系统的示意图 1 is a schematic view of a diesel-type composite heat carrier generating system according to an embodiment of the present invention;
图 2为本发明 实施例的柴油流量调节系统原理示意图。 2 is a schematic diagram of the principle of a diesel flow regulating system according to an embodiment of the present invention.
图 3为本发明 实施例的温度调节系统原理示意图。 Fig. 3 is a schematic view showing the principle of a temperature adjustment system according to an embodiment of the present invention.
图 4为本发明 实施例的安全控制系统原理示意图。 其中: 4 is a schematic diagram of the principle of a safety control system according to an embodiment of the present invention. among them:
10 复合热载体发生器 10 composite heat carrier generator
1 1 冷却水温度变送器 1 1 Cooling water temperature transmitter
12 热载体压力变送器 12 heat carrier pressure transmitter
12a 热载体压力变送器开关 12a heat carrier pressure transmitter switch
13 输出温度变送器 13 output temperature transmitter
14 输出安全阀 14 output safety valve
15 电动排空阀
16 第一喷嘴 15 electric venting valve 16 first nozzle
17 第二喷嘴 17 second nozzle
18 输出止回阀 18 output check valve
19 输出截止阀 19 output shut-off valve
20 空气管路 20 air lines
21 第一空气调节阀 21 first air regulator
22 第二空气调节阀 22 second air regulator
23 空气质量流量计 23 air mass flow meter
24 空气压力变送器开关 24 air pressure transmitter switch
25 空气压力变送器 25 air pressure transmitter
26 空气止回阀 26 air check valve
30 柴油管路 30 diesel pipeline
31 柴油调节阀 31 diesel control valve
32 变频高压油泵 32 frequency conversion high pressure oil pump
32a 柴油电机 32a diesel motor
33 第一柴油压力变送器 33 first diesel pressure transmitter
33a 第一柴油压力变送器开关33a first diesel pressure transmitter switch
34 柴油过滤器 34 diesel filter
35 柴油质量流量计 35 diesel mass flowmeter
36 第二柴油压力变送器 36 second diesel pressure transmitter
36a 第二柴油压力变送器开关36a second diesel pressure transmitter switch
37 柴油止回阀 37 diesel check valve
40 软化水管路 40 softened water pipeline
41 软化水调节阀 41 softened water regulating valve
42 变频高压水泵 42 frequency conversion high pressure water pump
42a 水泵电机 42a pump motor
43 第一软化水压力变送器 43 first softened water pressure transmitter
43a 第一水压力变送器开关
44 水过滤器 43a first water pressure transmitter switch 44 water filter
45 水质量流量计 45 water mass flow meter
46 第二水压力变送器 46 second water pressure transmitter
46a 第二水压力变送器开关 46a second water pressure transmitter switch
47 水止回阀 47 water check valve
具体实施方式 detailed description
参见图 1， 本发明一实施例的柴油型复合热载体发生系统， 包括复合热载 体发生器 10、 空气管路 20、 柴油管路 30和软化水管路 40。 复合热载体发生器 10的输入端分别与空气管路 20、 柴油管路 30和软化水管路 40相连接。 Referring to Fig. 1, a diesel-type composite heat carrier generating system according to an embodiment of the present invention includes a composite heat carrier generator 10, an air line 20, a diesel line 30, and a softened water line 40. The input of the composite heat carrier generator 10 is connected to an air line 20, a diesel line 30 and a demineralized water line 40, respectively.
空气管路 20上依次设置有第一空气调节阀 21、 第二空气调节阀 22、 空气 质量流量计 23、 空气压力变送器 24和空气止回阀 25。 空气压力变送器 24具 有空气压力变送器开关 24a。 The air line 20 is provided with a first air regulating valve 21, a second air regulating valve 22, an air mass flow meter 23, an air pressure transmitter 24, and an air check valve 25 in this order. The air pressure transmitter 24 has an air pressure transmitter switch 24a.
柴油管路 30上依次设置有柴油调节阀 31、 变频高压油泵 32、 第一柴油压 力变送器 33、 柴油过滤器 34、 柴油质量流量计 35、 第二柴油压力变送器 36和 柴油止回阀 37。柴油变频高压油泵 32上连接设置有柴油电机 32a。第一柴油压 力变送器 33上设有第一柴油压力变送器开关 33a。 第二柴油压力变送器 36上 设有第二柴油压力变送器开关 36a。 The diesel pipeline 30 is sequentially provided with a diesel regulating valve 31, a variable frequency high pressure oil pump 32, a first diesel pressure transmitter 33, a diesel filter 34, a diesel mass flow meter 35, a second diesel pressure transmitter 36 and a diesel check. Valve 37. A diesel motor 32a is connected to the diesel variable frequency high pressure oil pump 32. A first diesel pressure transmitter switch 33a is provided on the first diesel pressure transmitter 33. A second diesel pressure transmitter switch 36a is provided on the second diesel pressure transmitter 36.
软化水管路 40上依次设置有软化水调节阀 41、 变频高压水泵 42、 第一水 压力变送器 43、 水过滤器 44、 水质量流量计 45、 第二水压力变送器 46和水止 回阀 47。 变频高压水泵 42上连接设置有水泵电机 42a。 第一水压力变送器 43 上设有第一水压力变送器开关 43a。第二水压力变送器 46上设有第二水压力变 送器开关 46a。 The softened water line 40 is sequentially provided with a softened water regulating valve 41, a variable frequency high pressure water pump 42, a first water pressure transmitter 43, a water filter 44, a water mass flow meter 45, a second water pressure transmitter 46, and a water stop. Return valve 47. A pump motor 42a is connected to the variable frequency high pressure water pump 42. The first water pressure transmitter 43 is provided with a first water pressure transmitter switch 43a. A second water pressure transmitter switch 46a is provided on the second water pressure transmitter 46.
复合热载体发生器 10的输出端通过复合热载体输送管线与油层相连接。 复合热载体输送管线包括通过管路依次连接的热载体压力变送器 12、输出温度 变送器 13、 输出安全阀 14、 第二喷嘴 17、 输出止回阀 18和输出截止阀 19。 复合热载体发生器 10上设置有冷却水温度变送器 1 1。热载体压力变送器 12上 设有热载体压力变送器开关 12a。复合热载体发生器 10的输出端还连接有废液 回收管路。 废液回收管路包括通过管路相互连接的电动排空阀 15和第一喷嘴
16。 第一喷嘴 16连接设置于输出安全阀 14与第二喷嘴 17之间。 The output of the composite heat carrier generator 10 is coupled to the oil layer by a composite heat carrier transfer line. The composite heat carrier transfer line includes a heat carrier pressure transmitter 12, an output temperature transmitter 13, an output safety valve 14, a second nozzle 17, an output check valve 18, and an output shutoff valve 19 that are sequentially connected by a line. The composite heat carrier generator 10 is provided with a cooling water temperature transmitter 1 1 . The heat carrier pressure transmitter 12 is provided with a heat carrier pressure transmitter switch 12a. The waste heat recovery line is also connected to the output of the composite heat carrier generator 10. The waste liquid recovery line includes an electric vent valve 15 and a first nozzle connected to each other through a pipeline 16. The first nozzle 16 is connected between the output safety valve 14 and the second nozzle 17 .
本实施例的柴油型复合热载体发生系统， 通过第二空气调节阀 22和空气 质量流量计 23控制输入空气， 通过变频高压油泵 32、 柴油质量流量计 35调节 燃油质量， 通过变频高压水泵 42、 水质量流量计 45控制软化水质量， 通过输 出温度变送器 13监控实测输出热载体温度、 实现高温高压燃油复合热载体温 度调节、 高温高压复合热载体流量控制。 复合热载体发生器 10生成的高温高 压复合热载体含二氧化碳、 氮气及水蒸气， 并通过惨混汽化水控制输出热载体 温度， 高效综合利用氮气、 二氧化碳及燃烧热量提高原油采收率和单井产能的 热采技术新工艺。 复合热载体发生器 10生成的高温高压复合热载体含二氧化 碳、 氮气及水蒸气， 并通过惨混汽化水控制输出热载体温度， 为确保注入安全 严格按照一定的余氧系数 1.00〜1.05范围内控制燃烧， 使输出热载体的氧含量 远低于 5%的安全要求， 最终输出热载体按照注入油层的地质工艺要求， 在一 定的温度和压力下， 通过输出截止阀 19连接地面管线经采油树注入流量油层 以满足油藏增产增油工艺要求， 提高单井产能和采收率。 同时为适用不同的油 藏条件， 在高温高压复合热载体注入过程对注入流量按照空气量进行调节， 给 定量空气后自动调节柴油流量使热载体高温高压密闭燃烧充分彻底， 输出二氧 化碳、 氮气、 水及水蒸气； 通过柴油流量精确自动调节系统实现柴油在高压条 件下可以按照给定的配比， 对应空气量输入柴油保证燃烧精确； 通过柴油流量 精确自动调节系统的流量精确调整和系统补偿循环控制实现柴油既能在小流 量高压顺利点火， 又能实现高压大流量精确控制连续稳定安全燃烧； 高压软化 水流量调节控制系统既保证柴油复合热载体发生器安全运行， 也保证输出热载 体温度可以按照工艺要求进行控制。 In the diesel-type composite heat carrier generating system of the embodiment, the input air is controlled by the second air regulating valve 22 and the air mass flow meter 23, and the fuel quality is adjusted by the variable frequency high pressure oil pump 32 and the diesel mass flow meter 35, and the variable frequency high pressure water pump 42 is adopted. The water mass flow meter 45 controls the softened water quality, monitors the measured output heat carrier temperature through the output temperature transmitter 13, realizes the high temperature and high pressure fuel composite heat carrier temperature regulation, and the high temperature and high pressure composite heat carrier flow control. The high-temperature and high-pressure composite heat carrier generated by the composite heat carrier generator 10 contains carbon dioxide, nitrogen and water vapor, and controls the temperature of the output heat carrier through the miscible vaporized water, and efficiently utilizes nitrogen, carbon dioxide and combustion heat to improve oil recovery and single well. New technology for thermal recovery technology of production capacity. The high-temperature and high-pressure composite heat carrier generated by the composite heat carrier generator 10 contains carbon dioxide, nitrogen and water vapor, and controls the temperature of the output heat carrier through the miscible vaporized water, so as to ensure the injection safety is strictly controlled according to a certain residual oxygen coefficient of 1.00~1.05. Combustion, the oxygen content of the output heat carrier is far below the safety requirement of 5%, and the final output heat carrier is injected into the ground pipeline through the output tree through the output shut-off valve 19 according to the geological process requirements of the injected oil layer, under a certain temperature and pressure. The flow oil layer meets the requirements of oil production and oil increase process, and improves single well productivity and recovery. At the same time, in order to apply different reservoir conditions, the injection flow rate is adjusted according to the amount of air in the high temperature and high pressure composite heat carrier injection process, and the diesel fuel flow is automatically adjusted after the given amount of air to make the heat carrier high temperature and high pressure closed combustion fully and completely, and output carbon dioxide, nitrogen and water. And water vapor; through the accurate automatic adjustment system of diesel flow, the diesel can be in accordance with a given ratio under high pressure conditions, and the corresponding amount of air is input into the diesel to ensure accurate combustion; the precise flow adjustment and system compensation cycle control of the diesel automatic flow automatic adjustment system The diesel can not only smoothly ignite at low flow and high pressure, but also realize high-pressure and large-flow precise control for continuous stable and safe combustion. The high-pressure softened water flow control system not only ensures the safe operation of the diesel composite heat carrier generator, but also ensures that the output heat carrier temperature can be Process requirements are controlled.
图 2为本发明一实施例的柴油流量调节系统原理示意图。 参见图 2， 本发 明一实施例的柴油型复合热载体发生系统， 通过柴油调节阀 31、 变频高压油泵 32实现停机时即时截断柴油供应， 通过变频高压油泵 32和 PLC (可编程控制 器） 程序调节柴油流量满足复合热载体发生器点火、 运行时温度要求和高压燃 烧流量控制稳定要求， 通过柴油止回阀 37可以防止当燃烧室内压力过高致使 复合热载体倒流的安全保证。 2 is a schematic diagram of the principle of a diesel flow regulating system according to an embodiment of the present invention. Referring to FIG. 2, a diesel-type composite heat carrier generating system according to an embodiment of the present invention, through a diesel regulating valve 31 and a variable-frequency high-pressure oil pump 32, instantaneously cuts off diesel supply during shutdown, and adopts a frequency conversion high-pressure oil pump 32 and a PLC (programmable controller) program. Adjusting the diesel flow rate satisfies the ignition, running temperature requirements and high pressure combustion flow control stability requirements of the composite heat carrier generator. The diesel check valve 37 can prevent the safety of the composite heat carrier from flowing back when the pressure in the combustion chamber is too high.
图 3为本发明一实施例的温度调节系统原理示意图。 参见图 3， 本发明一
实施例的柴油型复合热载体发生系统， 通过变频高压水泵 42变频控制水流量， 实现输出热载体温度满足工艺要求， 同时通过水流量控制系统确保冷却水温度 满足设备安全运行， 确保柴油复合热载体发生器核心安全得以控制。 FIG. 3 is a schematic diagram of the principle of a temperature adjustment system according to an embodiment of the present invention. Referring to Figure 3, the present invention The diesel-type composite heat carrier generating system of the embodiment controls the water flow by the frequency conversion high-pressure water pump 42 frequency conversion, and realizes that the output heat carrier temperature satisfies the process requirement, and at the same time, the water flow control system ensures that the cooling water temperature satisfies the safe operation of the equipment, and ensures the diesel composite heat carrier. The generator core security is controlled.
图 4为本发明一实施例的安全控制系统原理示意图。 参见图 4， 本发明一 实施例的柴油型复合热载体发生系统， 通过空气压力变送器 24检测空气压力， 空气止回阀 25防止复合热载体回流形损坏管路原件， 空气质量流量计 23计量 注入的空气流量， 压力、 流量实时监控； 通过柴油管路 30的柴油质量流量计 35、 柴油止回阀 37、 柴油压力变送器 33和 36实现供油系统流量控制和安全保 护； 通过水管路 40的水质量流量计 45、 水止回阀 47、 水过滤器 44、 水压力变 送器 43和 46实现供水系统水量保证和安全保护； 通过输出管线的输出温度变 送器 13、 输出安全阀 14、 电动排空阀 15、 输出止回阀 18和输出截止阀 19， 实现注入工艺过程止回、 超温、 超压报警停车及排空泄压， 形成高温高压安全 高效注入技术。
4 is a schematic diagram of the principle of a security control system according to an embodiment of the present invention. Referring to FIG. 4, a diesel-type composite heat carrier generating system according to an embodiment of the present invention detects air pressure by an air pressure transmitter 24, and the air check valve 25 prevents the composite heat carrier from reversing the original pipe damage, and the air mass flow meter 23 Metering the injected air flow, pressure and flow rate in real time; through the diesel mass flow meter 35 of the diesel pipeline 30, the diesel check valve 37, the diesel pressure transmitters 33 and 36 to achieve flow control and safety protection of the fuel supply system; The water mass flow meter 45 of the road 40, the water check valve 47, the water filter 44, the water pressure transmitters 43 and 46 realize the water supply system guarantee and safety protection; the output temperature transmitter 13 through the output line, the output safety The valve 14, the electric venting valve 15, the output check valve 18 and the output shut-off valve 19 realize the injection process non-return, over-temperature, over-pressure alarm parking and emptying and pressure relief, forming a high-temperature and high-pressure safe and efficient injection technology.
Claims
1、 一种柴油型复合热载体发生系统， 包括复合热载体发生器、 空气管路、 柴油管路和软化水管路， 所述复合热载体发生器的输入端分别与空气管路、 柴 油管路和软化水管路相连接， 1. A diesel-type composite heat carrier generation system, including a composite heat carrier generator, an air pipeline, a diesel pipeline and a softened water pipeline. The input end of the composite heat carrier generator is connected to the air pipeline and the diesel pipeline respectively. Connected to the softened water pipeline,
所述空气管路上依次设置有第一空气调节阀、 第二空气调节阀、 空气质量 流量计、 空气压力变送器和空气止回阀； The air pipeline is provided with a first air regulating valve, a second air regulating valve, an air mass flow meter, an air pressure transmitter and an air check valve in sequence;
所述柴油管路上依次设置有柴油调节阀、 变频高压油泵、 第一柴油压力变 送器、 柴油过滤器、 柴油质量流量计、 第二柴油压力变送器和柴油止回阀， 所 述柴油变频高压油泵上连接设置有柴油电机； The diesel pipeline is provided with a diesel regulating valve, a variable frequency high-pressure oil pump, a first diesel pressure transmitter, a diesel filter, a diesel mass flow meter, a second diesel pressure transmitter and a diesel check valve. The diesel variable frequency A diesel motor is connected to the high-pressure oil pump;
所述软化水管路上依次设置有软化水调节阀、 变频高压水泵、 第一水压力 变送器、 水过滤器、 水质量流量计、 第二水压力变送器和水止回阀， 所述变频 高压水泵上连接设置有水泵电机； The softened water pipeline is provided with a softened water regulating valve, a variable frequency high-pressure water pump, a first water pressure transmitter, a water filter, a water mass flow meter, a second water pressure transmitter and a water check valve. A water pump motor is connected to the high-pressure water pump;
所述复合热载体发生器的输出端通过复合热载体输送管线与油层相连接， 所述复合热载体输送管线包括通过管路依次连接的热载体压力变送器、 输出温 度变送器、 输出安全阀、 第二喷嘴、 输出止回阀和输出截止阀。 The output end of the composite heat carrier generator is connected to the oil layer through a composite heat carrier transport pipeline. The composite heat carrier transport pipeline includes a heat carrier pressure transmitter, an output temperature transmitter, and an output safety transmitter that are connected in sequence through the pipeline. valve, second nozzle, output check valve and output stop valve.
2、 根据权利要求 1所述的柴油型复合热载体发生系统， 其中所述复合热 载体发生器上设置有冷却水温度变送器。 2. The diesel-type composite heat carrier generation system according to claim 1, wherein the composite heat carrier generator is provided with a cooling water temperature transmitter.
3、 根据权利要求 1或 2所述的柴油型复合热载体发生系统， 其中所述复 合热载体发生器的输出端还连接有废液回收管路， 所述废液回收管路包括通过 管路相互连接的电动排空阀和第一喷嘴， 所述第一喷嘴连接设置于所述输出安 全阀与第二喷嘴之间。
3. The diesel type composite heat carrier generation system according to claim 1 or 2, wherein the output end of the composite heat carrier generator is also connected to a waste liquid recovery pipeline, and the waste liquid recovery pipeline includes a through pipeline. The electric exhaust valve and the first nozzle are connected to each other, and the first nozzle is connected and arranged between the output safety valve and the second nozzle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310184237.5 | 2013-05-20 | ||
| CN201310184237.5A CN103291269B (en) | 2013-05-20 | 2013-05-20 | diesel type composite heat carrier generator system |
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| WO2014187023A1 true WO2014187023A1 (en) | 2014-11-27 |
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| PCT/CN2013/079036 WO2014187023A1 (en) | 2013-05-20 | 2013-07-09 | Diesel-type composite heat carrier generating system |
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| Country | Link |
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| CN (1) | CN103291269B (en) |
| CA (1) | CA2822233A1 (en) |
| WO (1) | WO2014187023A1 (en) |
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| CN104047584A (en) * | 2014-06-04 | 2014-09-17 | 中国海洋石油总公司 | Duel fuel heat collecting miscible driving system |
| CN109650319B (en) * | 2018-12-21 | 2020-06-30 | 中国石油工程建设有限公司华北分公司 | Low water content crude oil handover metering system |
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| CN103114837A (en) * | 2013-02-26 | 2013-05-22 | 江苏大江石油科技有限公司 | Composite heat carrier crude oil thermal-recovery system and oil recovery process thereof |
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| US1342741A (en) * | 1918-01-17 | 1920-06-08 | David T Day | Process for extracting oils and hydrocarbon material from shale and similar bituminous rocks |
| US1828784A (en) * | 1923-11-28 | 1931-10-27 | France Etat | Pressure fluid generator |
| CN202221075U (en) * | 2011-08-09 | 2012-05-16 | 江苏大江石油科技有限公司 | High temperature high pressure burning system of supercritical composite heat carrier generator |
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- 2013-05-20 CN CN201310184237.5A patent/CN103291269B/en not_active Expired - Fee Related
- 2013-07-09 WO PCT/CN2013/079036 patent/WO2014187023A1/en active Application Filing
- 2013-07-29 CA CA2822233A patent/CA2822233A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US2734578A (en) * | 1956-02-14 | Walter | ||
| CN2806760Y (en) * | 2005-04-14 | 2006-08-16 | 湖南天一赛马工程机械有限公司 | Composite carrier injection plant unit for petroleum thermal production |
| CN1932237A (en) * | 2005-04-27 | 2007-03-21 | 钻石Qc技术公司 | Flue gas injection for heavy oil recovery |
| CN201031675Y (en) * | 2007-03-30 | 2008-03-05 | 辽河石油勘探局 | Steam CO2 nitrogen linkage-pouring oil production device |
| CN103114837A (en) * | 2013-02-26 | 2013-05-22 | 江苏大江石油科技有限公司 | Composite heat carrier crude oil thermal-recovery system and oil recovery process thereof |
Also Published As
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|---|---|
| CN103291269B (en) | 2016-03-09 |
| CN103291269A (en) | 2013-09-11 |
| CA2822233A1 (en) | 2014-11-20 |
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