CN103628857A - Crude oil gas-liquid separation process integrated method and equipment thereof - Google Patents
Crude oil gas-liquid separation process integrated method and equipment thereof Download PDFInfo
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Abstract
The invention discloses a crude oil gas-liquid separation process integrated method and equipment thereof. The method and the equipment are designed in order to achieve integrated functions such as well group oil discharge buffering, oil-gas separating and associated gas liquid separating. The equipment mainly comprises a heating furnace oil discharging pipeline, an efflux pump pipeline, a hot water pipeline, a water return pipeline, a sewage discharging pipeline, a sand discharging brake valve, a sewage discharging brake valve, a three-way valve, a safety valve, an air cooler, an associated gas liquid separator, a gas blow-down pipeline, a gas outlet transmission pipeline, a heating furnace burning line and the like, wherein the heating furnace oil discharging pipeline, the efflux pump pipeline, the hot water pipeline, the water return pipeline, the sewage discharging pipeline, the sand discharging brake valve, the sewage discharging brake valve, the three-way valve and the safety valve are connected with an airtight buffer tank; the air cooler and the associated gas liquid separator are connected with the three-way valve; the gas blow-down pipeline, the gas outlet transmission pipeline and the heating furnace burning line are connected with the associated gas liquid separator through stop valves. The equipment has the integrated processing functions such as well group oil discharge buffering, oil-gas separating and associated gas liquid separating, and the integrated processing functions are applicable to the production requirements of normal airtight gathering and transportation of crude oil, a large associated gas amount and a small associated gas amount respectively. According to the method, the technology process is simple, and the construction period is short; the equipment is flexible to use and operate and small in occupied area, thereby quite suitable for the construction requirements of oilfield development.
Description
Technical field
The present invention relates to a kind of crude oil gas-liquid separation process integrated approach and equipment thereof, belong to ground, oil field Productivity Construction Projects technical field.
Background technology
In the production upstream link of Petroleum Industry, owing to restricted by technological means, the associated gas in oil exploitation and surface gathering and transferring process is understood nature dissipation, emptying or burning greatly.Associated gas, by unordered exploitation and simple discharge, adopts positive technological means reclaim and utilize associated gas not only can realize the economic results in society of energy-saving and emission-reduction and low-carbon environment-friendly, and is more conducive to the safety in production of oil play relatively.
For fully reclaiming and utilize associated gas resource, according to the height of different layers position gas-oil ratio, ground surface works adopts mixed defeated and minute defeated technological process conventionally.At present, divide that field, defeated type station ubiquity equipment is many, floor space is large and the series of problems such as technological process is complicated.
Summary of the invention
The object of the present invention is to provide a kind of crude oil gas-liquid separation process integrated approach and equipment thereof, it can realize the integrated functions such as the oily buffering of well group, Oil-gas Separation and associated gas separatory.
The concrete technical scheme of crude oil gas-liquid separation process integrated equipment of the present invention is as follows:
Heating furnace comes oil pipeline to connect output pump pipeline through bypass line gate valve, comes oily gate valve to connect airtight surge tank through well group simultaneously, and airtight surge tank connects output pump pipeline through outer defeated gate valve.
Airtight surge tank connects air cooler through three way cock I, and air cooler connects associated gas knockout through three way cock II, and three way cock I connects the three way cock II that can be used as the use of bypass flow process simultaneously.Associated gas knockout connects after knockout stop valve, one tunnel connects gas blow-down pipe through vent stop valve, one tunnel is connected gas external transport pipeline ，Yi road through gas shutoff valve connection heating furnace burning line through stop valve or through stop valve, gas flowmeter stop valve after flow meter before flow meter.
Airtight surge tank is often opened stop valve I, safety valve and Chang Kai stop valve II and is connected gas blow-down pipe.Airtight surge tank is provided with sand discharge gate valve and the blowoff gate valve that is connected blowdown pipeline.
Airtight surge tank connects hot water piping through hot water stop valve, through backwater stop valve, connects return piping.
The concrete technical scheme of crude oil gas-liquid separation process integrated approach of the present invention is as follows:
The technological process of production one, for realizing the normal closed gathering of crude oil:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve to enter airtight surge tank, realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline through outer defeated gate valve.
The technological process of production two, when association tolerance is larger, use:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve to enter airtight surge tank, realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline by outer defeated gate valve.In airtight surge tank, isolated associated gas is cooling to air cooler through three way cock I, then enters associated gas knockout through three way cock II, realizes the separated of associated gas condensate liquid and gas.Isolated associated gas is by after knockout stop valve, discharge from gas blow-down pipe H through vent stop valve on one tunnel, one tunnel through stop valve or after stop valve, gas flowmeter and flow meter before flow meter stop valve from gas external transport pipeline metering output ，Yi road through gas shutoff valve from heating furnace burning line to heating furnace air feed.
The technological process of production three, in association tolerance, hour use:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve to enter airtight surge tank, realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline by outer defeated gate valve.In airtight surge tank, isolated associated gas directly enters associated gas knockout through three way cock I and three way cock II, realizes the separated of associated gas condensate liquid and gas.Isolated associated gas by knockout stop valve Hou， mono-tunnel through vent stop valve from gas blow-down pipe discharge ，Yi road through gas shutoff valve from heating furnace burning line to heating furnace air feed.
The technological process of production four, when field, station accident purging or overhaul of the equipments, use:
Well group comes oily after booster station internally heated oven heat temperature raising, from the outside defeated pump line line of bypass line gate valve, directly exports.
By three way cock is set, the technological process of production two and three can be switched mutually.If associated gas gathering and transferring process upstream and downstream arrange, can meet need of production, air cooler can save need not.
The present invention has for the next oily multinomial processing capacities such as buffering, Oil-gas Separation and associated gas separatory of well group, can meet the needs of multiple production technology.Technological process of the present invention is simple, short construction period, use flexible operation, floor space are few, is applicable to very much the demand of oil field development.
Accompanying drawing explanation
Fig. 1 is crude oil gas-liquid separation process integrated equipment connection diagram.
The specific embodiment
With reference to Fig. 1, embodiments of the invention are further illustrated:
Embodiment:
The syndeton of crude oil gas-liquid separation process integrated equipment of the present invention is as follows:
Heating furnace comes oil pipeline A to connect output pump pipeline D through bypass line gate valve 1, comes oily gate valve 3 to connect airtight surge tank 7 through well group simultaneously, and airtight surge tank 7 connects output pump pipeline D through outer defeated gate valve 8.
Airtight surge tank 7 connects air cooler 20 through three way cock I 21, and air cooler 20 connects associated gas knockout 18 through three way cock II 19, and three way cock I 21 connects the three way cock II 19 that can be used as the use of bypass flow process simultaneously.Associated gas knockout 18 connects after knockout stop valve 17, one tunnel connects gas blow-down pipe H through vent stop valve 12, one tunnel is connected gas external transport pipeline G ，Yi road through gas shutoff valve 15 connection heating furnace burning line F through stop valve 14 or through stop valve before flow meter 16, gas flowmeter stop valve 13 after flow meter.
Airtight surge tank 7 is often opened stop valve I 9, safety valve 11 and Chang Kai stop valve II 10 and is connected gas blow-down pipe H.Airtight surge tank 7 is provided with sand discharge gate valve 6 and the blowoff gate valve 5 that is connected blowdown pipeline E.
Airtight surge tank 7 connects hot water piping B through hot water stop valve 2, through backwater stop valve 4, connects return piping C.
Crude oil gas-liquid separation process integrated approach of the present invention thes contents are as follows:
The technological process of production one, for realizing the normal closed gathering of crude oil:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve 3 to enter airtight surge tank 7, realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline D through outer defeated gate valve 8.
The technological process of production two, when association tolerance is larger, use:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve 3 to enter airtight surge tank 7, realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline D by outer defeated gate valve 8.In airtight surge tank 7, isolated associated gas is cooling to air cooler 20 through three way cock I 21, then enters associated gas knockout 18 through three way cock II 19, realizes the separated of associated gas condensate liquid and gas.Isolated associated gas is by after knockout stop valve 17, discharge from gas blow-down pipe H through vent stop valve 12 on one tunnel, one tunnel through stop valve 14 or after stop valve before flow meter 16, gas flowmeter and flow meter stop valve 13 from gas external transport pipeline G metering output ，Yi road through gas shutoff valve 15 from heating furnace burning line F to heating furnace air feed.
The technological process of production three, in association tolerance, hour use:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve 3 to enter airtight surge tank 7, realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline D by outer defeated gate valve 8.In airtight surge tank 7, isolated associated gas directly enters associated gas knockout 18 through three way cock I 21 and three way cock II 19, realizes the separated of associated gas condensate liquid and gas.Isolated associated gas by knockout stop valve 17 Hou， mono-tunnels through vent stop valve 12 from gas blow-down pipe H discharge ，Yi road through gas shutoff valve 15 from heating furnace burning line F to heating furnace air feed.
The technological process of production four, when field, station accident purging or overhaul of the equipments, use:
Well group comes oily after booster station internally heated oven heat temperature raising, and from bypass line gate valve 1, outside defeated pump line line D directly exports.
By three way cock I 21 and II 19 are set, the technological process of production two and three can be switched mutually.If associated gas gathering and transferring process upstream and downstream arrange, can meet need of production, air cooler can save need not.
Claims (3)
1. a crude oil gas-liquid separation process integrated equipment, is characterized in that:
Heating furnace comes oil pipeline (A) to connect output pump pipeline (D) through bypass line gate valve (1), through well group, come oily gate valve (3) to connect airtight surge tank (7), airtight surge tank (7) connects output pump pipeline (D) through outer defeated gate valve (8) simultaneously;
Airtight surge tank (7) connects air cooler (20) through three way cock I (21), air cooler (20) connects associated gas knockout (18) through three way cock II (19), and three way cock I (21) connects the three way cock II (19) that can be used as the use of bypass flow process simultaneously; Associated gas knockout (18) connects after knockout stop valve (17), one tunnel connects gas blow-down pipe (H) through vent stop valve (12), one tunnel is connected gas external transport pipeline (G) ，Yi road through gas shutoff valve (15) connection heating furnace burning line (F) through stop valve (14) or through stop valve before flow meter (16), gas flowmeter stop valve (13) after flow meter;
Airtight surge tank (7) is often driven stop valve I (9), safety valve (11) and is often opened stop valve II (10) and is connected gas blow-down pipe (H); Airtight surge tank (7) is provided with sand discharge gate valve (6) and the blowoff gate valve (5) that is connected blowdown pipeline (E);
Airtight surge tank (7) connects hot water piping (B) through hot water stop valve (2), through backwater stop valve (4), connects return piping (C).
2. a crude oil gas-liquid separation process integrated approach, is characterized in that:
The technological process of production one, for realizing the normal closed gathering of crude oil:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve (3) to enter airtight surge tank (7), realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline (D) through outer defeated gate valve (8);
The technological process of production two, when association tolerance is larger, use:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve (3) to enter airtight surge tank (7), realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline (D) by outer defeated gate valve (8); In airtight surge tank (7), isolated associated gas is cooling to air cooler (20) through three way cock I (21), then enters associated gas knockout (18) through three way cock II (19), realizes the separated of associated gas condensate liquid and gas; Isolated associated gas is by after knockout stop valve (17), discharge from gas blow-down pipe (H) through vent stop valve (12) on one tunnel, one tunnel through stop valve (14) or after stop valve before flow meter (16), gas flowmeter and flow meter stop valve (13) from gas external transport pipeline (G) metering output ，Yi road through gas shutoff valve (15) from heating furnace burning line (F) to heating furnace air feed;
The technological process of production three, in association tolerance, hour use:
Well group comes oily after booster station internally heated oven heat temperature raising, by well group, come oily gate valve (3) to enter airtight surge tank (7), realize crude oil buffering and closed gathering, and realize the variable frequency control to output pump by continuous level monitoring, crude oil is exported from output pump pipeline (D) by outer defeated gate valve (8); In airtight surge tank (7), isolated associated gas directly enters associated gas knockout (18) through three way cock I (21) and three way cock II (19), realizes the separated of associated gas condensate liquid and gas; Isolated associated gas by knockout stop valve (17) Hou， mono-tunnel through vent stop valve (12) from gas blow-down pipe (H) discharge ，Yi road through gas shutoff valve (15) from heating furnace burning line (F) to heating furnace air feed;
The technological process of production four, when field, station accident purging or overhaul of the equipments, use:
Well group comes oily after booster station internally heated oven heat temperature raising, from the outside defeated pump line line of bypass line gate valve (1) (D), directly exports.
3. crude oil gas-liquid separation process integrated approach as claimed in claim 1, is characterized in that the technological process of production two and three can be switched mutually by three way cock I (21) and II (19) are set; If associated gas gathering and transferring process upstream and downstream arrange, can meet need of production, air cooler can save need not.
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| CN201210302078.XA CN103628857B (en) | 2012-08-23 | 2012-08-23 | Crude oil gas-liquid separation process integrated approach and equipment thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774644A (en) * | 2015-03-24 | 2015-07-15 | 西安长庆科技工程有限责任公司 | Crude oil two-chamber buffer integrated device |
| CN105840168A (en) * | 2016-04-06 | 2016-08-10 | 西南石油大学 | Treatment system for oil well produced liquid |
| CN107701919A (en) * | 2017-09-27 | 2018-02-16 | 西安长庆科技工程有限责任公司 | A kind of high gas-oil ratio (HGOR) block oil-gas transportation device and method |
| CN108533959A (en) * | 2018-03-23 | 2018-09-14 | 西安长庆科技工程有限责任公司 | A kind of oil gas combined transportation device and technique suitable for high gas-oil ratio (HGOR) gathering station field |
| CN108728196A (en) * | 2018-07-20 | 2018-11-02 | 西安长庆科技工程有限责任公司 | A kind of associated gas liquid separation metering integrated integrating device and its application process |
| CN109424352A (en) * | 2017-08-25 | 2019-03-05 | 中国石油天然气股份有限公司 | A kind of crude separating device |
| CN110905481A (en) * | 2019-12-23 | 2020-03-24 | 西安长庆科技工程有限责任公司 | Mobile single-well multiphase metering integrated device and metering method |
| CN111396023A (en) * | 2020-05-14 | 2020-07-10 | 伍红军 | Associated gas and liquid recycling device |
| CN114961691A (en) * | 2022-05-28 | 2022-08-30 | 陕西星辰石油科技有限责任公司 | Oil-gas gathering, transportation, extraction, metering and pressurizing device and method for shale oil development |
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| RU2769998C1 (en) * | 2021-10-14 | 2022-04-14 | Общество с ограниченной ответственностью «Газпромнефть Научно-Технический Центр» (ООО «Газпромнефть НТЦ») | Control system for flow structure of oil-and-gas-liquid mixture (options), controller for control system, set for control system, method for controlling flow structure of oil-and-gas-liquid mixture |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774644A (en) * | 2015-03-24 | 2015-07-15 | 西安长庆科技工程有限责任公司 | Crude oil two-chamber buffer integrated device |
| CN105840168A (en) * | 2016-04-06 | 2016-08-10 | 西南石油大学 | Treatment system for oil well produced liquid |
| CN105840168B (en) * | 2016-04-06 | 2018-04-24 | 西南石油大学 | Oil well produced liquid treating system |
| CN109424352A (en) * | 2017-08-25 | 2019-03-05 | 中国石油天然气股份有限公司 | A kind of crude separating device |
| CN107701919A (en) * | 2017-09-27 | 2018-02-16 | 西安长庆科技工程有限责任公司 | A kind of high gas-oil ratio (HGOR) block oil-gas transportation device and method |
| CN108533959A (en) * | 2018-03-23 | 2018-09-14 | 西安长庆科技工程有限责任公司 | A kind of oil gas combined transportation device and technique suitable for high gas-oil ratio (HGOR) gathering station field |
| CN108728196A (en) * | 2018-07-20 | 2018-11-02 | 西安长庆科技工程有限责任公司 | A kind of associated gas liquid separation metering integrated integrating device and its application process |
| CN110905481A (en) * | 2019-12-23 | 2020-03-24 | 西安长庆科技工程有限责任公司 | Mobile single-well multiphase metering integrated device and metering method |
| CN111396023A (en) * | 2020-05-14 | 2020-07-10 | 伍红军 | Associated gas and liquid recycling device |
| CN114961691A (en) * | 2022-05-28 | 2022-08-30 | 陕西星辰石油科技有限责任公司 | Oil-gas gathering, transportation, extraction, metering and pressurizing device and method for shale oil development |
| CN114961691B (en) * | 2022-05-28 | 2023-06-27 | 陕西星辰石油科技有限责任公司 | Oil gas gathering, transportation, extraction, metering and pressurizing device for shale oil development and method thereof |
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