CN101063404A - Boiler flue gas reclaiming full gaseous state pouring well oil production device - Google Patents

Boiler flue gas reclaiming full gaseous state pouring well oil production device Download PDF

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Publication number
CN101063404A
CN101063404A CNA2007101014779A CN200710101477A CN101063404A CN 101063404 A CN101063404 A CN 101063404A CN A2007101014779 A CNA2007101014779 A CN A2007101014779A CN 200710101477 A CN200710101477 A CN 200710101477A CN 101063404 A CN101063404 A CN 101063404A
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China
Prior art keywords
pipeline
boiler
nitrogen
tower
oil
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Pending
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CNA2007101014779A
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Chinese (zh)
Inventor
张凤山
张永春
高远文
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Liaohe Petroleum Exploration Bureau
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Liaohe Petroleum Exploration Bureau
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Priority to CNA2007101014779A priority Critical patent/CN101063404A/en
Publication of CN101063404A publication Critical patent/CN101063404A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/70Combining sequestration of CO2 and exploitation of hydrocarbons by injecting CO2 or carbonated water in oil wells

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  • Gas Separation By Absorption (AREA)

Abstract

The invention relates to an all-gas ejection and oil-extraction device for a boiler flue gas recovering, comprises a boiler (1), a high-lift water pump (2), a washing tower (3), a wind induction machine (4), a suction tower (5), a dividing can (6), a heat-exchanging device (7), a regeneration tower (8), a re-boiling water (9), a steam stove (10), a water dividing can (11), a carbon dioxide compressor (12), a cleaner (13), a nitrogen compressor (14), a drying bed (15), a sorption bed (16), a carbon dioxide supercharger (17), a nitrogen supercharger (18) and a mixing can (19), wherein the boiler (1), the washing tower (3), the suction tower (5), the regeneration tower (8) and the sorption bed (16) are connected together one by one, and the mixing can (19) is connected with an oil well gas injection oil-extraction pipe column (21) via pipes. The invention has the advantages of integrated supporting devices, fair design and high utility, and can be used to get the mixing gas with carbon dioxide and nitrogen with the boiler flue gas and inject the mixing gas into the well as the boiler producing steam thick oil, therefore obtains the good effect in increasing crude oil production and environmental protection.

Description

The boiler flue gas reclaiming full gaseous state pouring well oil production device
Technical field:
The present invention relates to a kind of equipment of forming a complete and comprehensive system for collecting real estate fees that is used for thickened oil recovery, belong to gas isolation of purified and oil recovery technique class.
Background technology:
Gas injection is the important channel of improving oil recovery.Under different injecting gas and different reservoir condition, gas and crude oil can form mixed phase or non-mixed phase state, by reduce interfacial tension, reduce viscosity of crude, recovery or keep effects such as reservoir pressure, improve oil recovery.Because hydrocarbon gas such as natural gas have some characteristic of oil reservoir crude oil, when injecting, self can not injure oil reservoir, and under low relatively pressure, just can reach mixed phase, perhaps dynamic mixed phase in displacement process, hydrocarbon gas oil recoveries such as natural gas injection have obtained effect preferably.But along with the rise of hydrocarbon gas prices such as natural gas, hydrocarbon gas such as natural gas injection have been subjected to the restriction of economic factor to a certain extent, have therefore accelerated to annotate the particularly research of carbon dioxide injection, nitrogen technology of other gases.In viscous crude heat extraction by steam injection process; main component in the flue gas that injection boiler produces is carbon dioxide and nitrogen; experimental study shows; utilize steam heating boiler and supporting flue gas recycling equipment to combine " stove three is annotated " (steam, CO2, N2); can obtain good effect of increasing production, and help environmental protection.Yet because each side, at present, injecting CO 2, N2 recover the oil and also just are in the single technology stage of experimental study in advance, do not form ripe supporting technology and equipment as yet.
Summary of the invention:
The object of the present invention is to provide a kind of can the reclaiming clean boiler flue and with steam with the boiler flue reclaiming clean-up pouring oil production device that injects the oil mining viscous crude.
The present invention realizes like this.This device is made up of boiler, high-pressure hydraulic pump, scrubbing tower, air-introduced machine, absorption tower, knockout drum, heat exchanger, regenerator, reboiler, steam oven, water distributing can, carbon-dioxide gas compressor, clarifier, nitrogen compressor, drying bed, adsorbent bed, carbon dioxide supercharger, nitrogen supercharging machine, blending tank, boiler is connected with high-pressure hydraulic pump by pipeline, and the top is connected with blending tank with scrubbing tower by pipeline respectively; Scrubbing tower is connected with water distributing can by pipeline, and water distributing can is connected with clarifier by pipeline, is provided with carbon-dioxide gas compressor therebetween; Clarifier is connected with blending tank by pipeline, is provided with the carbon dioxide supercharger therebetween; Nitrogen compressor links to each other with drying bed by pipeline, and drying bed links to each other with adsorbent bed by pipeline, and adsorbent bed links to each other with oil well casing by pipeline, is provided with the nitrogen supercharging machine therebetween.During work, the steam of boiler for producing can directly inject into well, and flue gas can be produced 98% carbon dioxide gas through scrubbing tower, absorption tower, regenerator washing, absorption, regeneration.Flue tail gas can be produced 96% nitrogen again after overcompression, drying, absorption.Like this, the three kinds of gases of water vapour, gaseous carbon dioxide, nitrogen that obtained step by step by boiler inject oil well by supercharging allotment back, can reach the purpose that increases crude output and environmental protection.
The present invention forms a complete and comprehensive system for collecting real estate fees, and is reasonable in design, practical, utilizes that it can utilize boiler flue to obtain carbon dioxide in the boiler for producing steam viscous crude, nitrogen mixture injects into well, and obtains the good result of incremental oil production and environmental protection.
Description of drawings:
Accompanying drawing is an overall procedure structural representation of the present invention.Among the figure, label " 20 ", " 21 " are respectively oil well casing and gas injection flow string.
The specific embodiment:
The present invention is provided by following examples, is illustrated below in conjunction with accompanying drawing.
As shown in the figure, the present invention is made up of boiler 1, high-pressure hydraulic pump 2, scrubbing tower 3, air-introduced machine 4, absorption tower 5, knockout drum 6, heat exchanger 7, regenerator 8, reboiler 9, steam oven 10, water distributing can 11, carbon-dioxide gas compressor 12, clarifier 13, nitrogen compressor 14, drying bed 15, adsorbent bed 16, carbon dioxide supercharger 17, nitrogen supercharging machine 18, blending tank 19, its structure, assembled relation are as follows: boiler 1 is connected with high-pressure hydraulic pump 2 by pipeline, and the top is connected with blending tank 19 with scrubbing tower 3 by pipeline respectively; Scrubbing tower 3 is connected with absorption tower 5 by pipeline, is provided with air-introduced machine 4 therebetween, and absorption tower 5 links to each other with heat exchanger 7 with knockout drum 6 respectively by pipeline; Regenerator 8 links to each other with heat exchanger 7, reboiler 9, water distributing can 11 respectively by pipeline, and reboiler 9 links to each other with steam oven 10; Water distributing can 11 is connected with clarifier 13 by pipeline, is provided with carbon-dioxide gas compressor 12 therebetween; Clarifier 13 is connected with blending tank 19 by pipeline, is provided with carbon dioxide supercharger 17 therebetween; Nitrogen compressor 14 links to each other with drying bed 15 by pipeline, and drying bed 15 links to each other with adsorbent bed 16 by pipeline, and adsorbent bed 16 links to each other with oil well casing 20 by pipeline, is provided with nitrogen supercharging machine 18 therebetween; Blending tank 19 is connected with oil well gas injection flow string 21 by pipeline.Wherein, pipe is for can producing the pressure piping of the above high steam of 15MPa in the boiler 1, and fuel is can coal, crude oil or fuel gas, and pure water is by the above high-pressure pump supply of 15MPa.Scrubbing tower 3 is a packed tower, and filler is made by metal, plastics or pottery, also can use coke, ore or vegetable silk to make, and cleaning solution is weakly alkaline solutions such as water, aqueous sodium carbonate or ammoniacal liquor.Absorption tower 5 and regenerator 8 constitute carbon dioxide recovery system, in accordance, by metal, plastics or ceramic making, absorption liquid adopts the mixed liquor that contains one or more solvent compositions such as NHD, three methyl ethers, sulfolane, propene carbonate, low-temp methanol, also can adopt the mixed liquor by one or more solvent compositions such as monoethanolamine, methyl diethanolamine, antioxidant, corrosion inhibiter.Drying bed 15 is connected to form with valve sets and pipeline by the drying bed of two same volumes, interior dress alumina, silica gel or molecular sieve solid granular filler.Adsorbent bed 16 is made of the adsorbent bed of same volume more than two, in alumina and carbon molecular sieve solid particle filler are housed, be connected with pipeline with valve sets between two adsorbent beds, operate automatically by the PLC by-pass valve control.This nitrogen gas generating system also can be made of adsorbent bed, substitutes pressure swing adsorption system and makes nitrogen.

Claims (1)

1, a kind of boiler flue gas reclaiming full gaseous state pouring well oil production device, by boiler (1), high-pressure hydraulic pump (2), scrubbing tower (3), air-introduced machine (4), absorption tower (5), knockout drum (6), heat exchanger (7), regenerator (8), reboiler (9), steam oven (10), water distributing can (11), carbon-dioxide gas compressor (12), clarifier (13), nitrogen compressor (14), drying bed (15), adsorbent bed (16), carbon dioxide supercharger (17), nitrogen supercharging machine (18), blending tank (19) is formed, it is characterized in that: boiler (1) is connected with high-pressure hydraulic pump (2) by pipeline, and the top is connected with blending tank (19) with scrubbing tower (3) by pipeline respectively; Scrubbing tower (3) is connected with absorption tower (5) by pipeline, is provided with air-introduced machine (4) therebetween, and absorption tower (5) link to each other with heat exchanger (7) with knockout drum (6) respectively by pipeline; Regenerator (8) links to each other with heat exchanger (7), reboiler (9), water distributing can (11) respectively by pipeline, and reboiler (9) links to each other with steam oven (10); Water distributing can (11) is connected with clarifier (13) by pipeline, is provided with carbon-dioxide gas compressor (12) therebetween; Clarifier (13) is connected with blending tank (19) by pipeline, is provided with carbon dioxide supercharger (17) therebetween; Nitrogen compressor (14) links to each other with drying bed (15) by pipeline, and drying bed (15) links to each other with adsorbent bed (16) by pipeline, and adsorbent bed (16) links to each other with oil well casing (20) by pipeline, is provided with nitrogen supercharging machine (18) therebetween; Blending tank (19) is connected with oil well gas injection flow string (21) by pipeline.
CNA2007101014779A 2007-03-30 2007-04-23 Boiler flue gas reclaiming full gaseous state pouring well oil production device Pending CN101063404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007101014779A CN101063404A (en) 2007-03-30 2007-04-23 Boiler flue gas reclaiming full gaseous state pouring well oil production device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200720011441 2007-03-30
CN200720011441.7 2007-03-30
CNA2007101014779A CN101063404A (en) 2007-03-30 2007-04-23 Boiler flue gas reclaiming full gaseous state pouring well oil production device

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101785957A (en) * 2010-02-10 2010-07-28 毛恒松 Carbon dioxide separation and storage method
CN104763397A (en) * 2015-05-06 2015-07-08 中国石油大学(华东) Flue gas resource utilizing system of oil field stream-injecting boiler based on steam injection and application thereof
CN105299673A (en) * 2015-10-30 2016-02-03 新疆敦华石油技术股份有限公司 Method and system for recycling smoke of gas boiler
CN105517690A (en) * 2013-09-19 2016-04-20 陶氏环球技术有限责任公司 Optimization of stripper feed configuration for rich/lean solvent regeneration
CN107288600A (en) * 2017-08-07 2017-10-24 南充西南石油大学设计研究院有限责任公司 Tail gas re-injection and the device and technique of UTILIZATION OF VESIDUAL HEAT IN composite flooding oilfield stimulation
CN107427760A (en) * 2015-04-02 2017-12-01 西门子公司 For separating the apparatus and method of carbon dioxide from gas stream
CN113738324A (en) * 2021-08-31 2021-12-03 莆田市城厢区鑫翀信息技术咨询服务中心 Accompanied gas injection oil extraction process of steam and flue gas based on thermal recovery boiler

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101785957A (en) * 2010-02-10 2010-07-28 毛恒松 Carbon dioxide separation and storage method
CN101785957B (en) * 2010-02-10 2012-08-08 毛恒松 Carbon dioxide separation and storage method
CN105517690A (en) * 2013-09-19 2016-04-20 陶氏环球技术有限责任公司 Optimization of stripper feed configuration for rich/lean solvent regeneration
CN105517690B (en) * 2013-09-19 2019-05-07 陶氏环球技术有限责任公司 Optimization for the regenerated stripper feed configuration of richness/lean solvent
CN107427760A (en) * 2015-04-02 2017-12-01 西门子公司 For separating the apparatus and method of carbon dioxide from gas stream
CN104763397A (en) * 2015-05-06 2015-07-08 中国石油大学(华东) Flue gas resource utilizing system of oil field stream-injecting boiler based on steam injection and application thereof
CN105299673A (en) * 2015-10-30 2016-02-03 新疆敦华石油技术股份有限公司 Method and system for recycling smoke of gas boiler
CN107288600A (en) * 2017-08-07 2017-10-24 南充西南石油大学设计研究院有限责任公司 Tail gas re-injection and the device and technique of UTILIZATION OF VESIDUAL HEAT IN composite flooding oilfield stimulation
CN113738324A (en) * 2021-08-31 2021-12-03 莆田市城厢区鑫翀信息技术咨询服务中心 Accompanied gas injection oil extraction process of steam and flue gas based on thermal recovery boiler

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