JP2548815B2 - Carbon dioxide storage method - Google Patents

Carbon dioxide storage method

Info

Publication number
JP2548815B2
JP2548815B2 JP2053716A JP5371690A JP2548815B2 JP 2548815 B2 JP2548815 B2 JP 2548815B2 JP 2053716 A JP2053716 A JP 2053716A JP 5371690 A JP5371690 A JP 5371690A JP 2548815 B2 JP2548815 B2 JP 2548815B2
Authority
JP
Japan
Prior art keywords
carbon dioxide
gas
water
layer
present
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP2053716A
Other languages
Japanese (ja)
Other versions
JPH03258340A (en
Inventor
正樹 飯島
和逸 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP2053716A priority Critical patent/JP2548815B2/en
Publication of JPH03258340A publication Critical patent/JPH03258340A/en
Application granted granted Critical
Publication of JP2548815B2 publication Critical patent/JP2548815B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/164Injecting CO2 or carbonated water
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/005Waste disposal systems
    • E21B41/0057Disposal of a fluid by injection into a subterranean formation
    • E21B41/0064Carbon dioxide sequestration
    • 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
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/40Capture or disposal of greenhouse gases of CO2
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Treating Waste Gases (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Carbon And Carbon Compounds (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、二酸化炭素(CO2)による地球温暖化を防
止する目的で、燃焼ガスや大気中等より回収した二酸化
炭素を大量に貯蔵する方法に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is a method of storing a large amount of carbon dioxide recovered from combustion gas, atmospheric air, etc. for the purpose of preventing global warming due to carbon dioxide (CO 2 ). Regarding

〔従来の技術〕[Conventional technology]

従来は、産業上使用する目的で、二酸化炭素を一時的
に、比較的小規模に圧力容器に貯蔵したり、ドライアイ
ス化したりしている。しかし、これらの二酸化炭素は産
業上使用時に再び大気中に放出されてしまうのがほとん
どであり、大気中の二酸化炭素濃度の増加を防止するた
めに大量に長期安定的に貯蔵することは、行なわれてい
なかつた。
Conventionally, for the purpose of industrial use, carbon dioxide is temporarily stored in a pressure vessel on a relatively small scale or converted to dry ice. However, most of these carbon dioxides are released into the atmosphere again during industrial use, and a large amount of long-term stable storage is necessary to prevent an increase in the carbon dioxide concentration in the atmosphere. It was never done.

〔発明が解決しようとする課題〕[Problems to be Solved by the Invention]

発電所や一般産業用ボイラ等での化石燃料の燃焼によ
り、大気中の二酸化炭素濃度が増し、近年温室効果と呼
ばれている地球の温暖化現象が問題視されることとなつ
た。表1に、日本における発生源別の二酸化炭素の発生
料を示す。この大量の二酸化炭素のほとんどが、大気中
に放出されているのが現状である。
Combustion of fossil fuels in power plants, boilers for general industries, etc. increases carbon dioxide concentration in the atmosphere, and the global warming phenomenon called the greenhouse effect in recent years has become a problem. Table 1 shows the carbon dioxide generation charges by source in Japan. At present, most of this large amount of carbon dioxide is released into the atmosphere.

表1 CO2発生量(昭和61年度、試算値) CO2百万t/年 % 火力発電 231.1 25.1 鉄 鋼 125.5 13.6 一般産業 180.6 19.6 運 輸 158.0 17.2 濃 水 20.9 2.9 民 生 137.6 15.0そ の 他 60.0 6.5 計 920.1 100.0 この大気中の二酸化炭素濃度の増加を防止するため、
二酸化炭素を大気に放出せずに回収し、または二酸化炭
素を大気から回収したあと貯蔵するには、前記の従来の
方法では、貯蔵容器の費用や貯蔵場所等に問題があり、
これらの大量の二酸化炭素を長期安定的に貯蔵すること
は現実的でない。
Table 1 CO 2 Emissions (Calculated in 1986, Estimated Value) CO 2 million tons / year% Thermal power generation 231.1 25.1 Steel 125.5 13.6 General industry 180.6 19.6 Transportation 158.0 17.2 Concentrated water 20.9 2.9 Consumer 137.6 15.0 Other 60.0 6.5 Total 920.1 100.0 To prevent this increase in carbon dioxide concentration in the atmosphere,
In order to collect carbon dioxide without releasing it to the atmosphere, or to store it after recovering carbon dioxide from the atmosphere, there is a problem in the cost of the storage container and the storage location, etc.
Long-term stable storage of these large amounts of carbon dioxide is not practical.

本発明は、以上の事情に鑑みなされたものであり、大
量の二酸化炭素を長期安定的に、比較的安価に貯蔵する
方法を提供しようとするものである。
The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a method of storing a large amount of carbon dioxide stably for a long period of time at a relatively low cost.

〔課題を解決するための手段〕[Means for solving the problem]

本発明の二酸化炭素貯蔵方法は、ガス田又は油田の地
層内に二酸化炭素を水に溶解させた状態で貯蔵すること
を特徴とする。
The carbon dioxide storage method of the present invention is characterized by storing carbon dioxide dissolved in water in the formation of a gas field or an oil field.

〔作用〕[Action]

二酸化炭素(CO2)およびCH4の水に対する溶解度を表
わすヘンリー定数を表2に示す。
Table 2 shows Henry's constants that represent the solubilities of carbon dioxide (CO 2 ) and CH 4 in water.

この表から、二酸化炭素の水に対する溶解度はCH4
約20倍程度以上あり、大きいことがわかる。
From this table, it can be seen that the solubility of carbon dioxide in water is about 20 times higher than that of CH 4 , which is high.

本発明では、この性質を利用して、ガス田又は油田の
地層内に二酸化炭素を水に大量に溶解させた状態で貯蔵
することによつて、二酸化炭素を長期に安定的に地下に
貯蔵することができる。しかも、ガス田又は油田の地層
内利用できる容積は大きく、大量の二酸化炭素を貯蔵す
ることが可能である。
In the present invention, by utilizing this property, carbon dioxide is stored in the stratum of a gas field or an oil field in a state in which a large amount of carbon dioxide is dissolved in water, whereby carbon dioxide is stably stored underground for a long period of time. be able to. Moreover, the volume available in the formation of the gas field or oil field is large, and a large amount of carbon dioxide can be stored.

また、本発明に利用されるガス田又は油田としては、
採掘中のもの、採掘が終つて枯渇状態のもの、又は枯渇
状態に近いもの等地層中に空隙部があるものは勿論、採
掘前のガス田又は油田にも本発明を適用することが可能
である。
Further, as the gas field or oil field used in the present invention,
The present invention can be applied to a gas field or an oil field before mining, as well as those having a void portion in the formation such as those being mined, being depleted after mining, or being nearly depleted. is there.

また更に、二酸化炭素をガス田又は油田地層中で水に
溶解させた状態とするに当つては、地上で二酸化炭素を
水に溶解させて地層中に圧入する方法、水と二酸化炭素
を別個に送つて地層中で二酸化炭素を水に溶解させる方
法、地層中に存在する水層に二酸化炭素を溶解させる方
法等種々の方法を採用することができる。
Furthermore, in the state of dissolving carbon dioxide in water in a gas field or oilfield formation, a method of dissolving carbon dioxide in water on the ground and pressurizing it into the formation, separate water and carbon dioxide Various methods such as a method of sending and dissolving carbon dioxide in water in the formation and a method of dissolving carbon dioxide in the water layer existing in the formation can be adopted.

〔実施例〕〔Example〕

本発明の第1の実施例を第1図によつて説明する。 A first embodiment of the present invention will be described with reference to FIG.

本実施例はガス採掘後の水層がないガス田に二酸化炭
素を貯蔵するようにしたものである。
In this embodiment, carbon dioxide is stored in a gas field that has no water layer after gas mining.

燃焼ガス中、大気中等より回収された二酸化炭素(CO
2)ガスは一時的に貯蔵するためのタンク1に入り、コ
ンプレツサ2へ送られる。ここで圧縮された二酸化炭素
ガスは水タンク3より送られ、ポンプ4により圧送され
た水と合流し、ミキサ5で混合され、多量の二酸化炭素
を水に溶解させる。コンプレツサ2とポンプ4の吐出圧
や二酸化炭素と水との混合比は、地下層の保持可能圧力
や温度により設定される。二酸化炭素を多量に溶解した
水は、ガス採掘時に使用したガス田抗井6を経て、同ガ
ス田抗井6下端の圧入部7より、地下層内のガス層8に
圧入され、長期安定的に貯蔵される。
Carbon dioxide (CO
2 ) Gas enters tank 1 for temporary storage and is sent to compressor 2. The carbon dioxide gas compressed here is sent from the water tank 3, merges with the water pumped by the pump 4, and is mixed by the mixer 5 to dissolve a large amount of carbon dioxide in the water. The discharge pressure of the compressor 2 and the pump 4 and the mixing ratio of carbon dioxide and water are set by the pressure and temperature at which the underground layer can be retained. The water in which a large amount of carbon dioxide is dissolved passes through the gas field well 6 used at the time of gas mining, and is injected into the gas layer 8 in the underground layer from the press-in portion 7 at the lower end of the gas field well 6 for long-term stable operation. Stored in.

なお、図中9はガス田の帽岩である。 In the figure, 9 is a cap rock in the gas field.

本発明の第2実施例を、第2図によつて説明する。 A second embodiment of the present invention will be described with reference to FIG.

本実施例は、ガス田の地下層内にある水層内へ二酸化
炭素を溶解させ貯蔵するものである。
In this example, carbon dioxide is dissolved and stored in an aqueous layer in the underground layer of a gas field.

燃焼ガス、大気中の空気等から回収された二酸化炭素
ガスを一時的に貯蔵するタンク11より、二酸化炭素ガス
はコンプレツサ12へ入りここで圧縮される。圧縮された
二酸化炭素ガスは、ガス採掘時に利用したガス田坑井13
を経てその下端の圧入部17からガス田の水層14中へ送ら
れ、水に溶解し、長期安定的に二酸化炭素が貯蔵され
る。なお、図中16は帽岩である。
From the tank 11 that temporarily stores the carbon dioxide gas recovered from the combustion gas, the air in the atmosphere, etc., the carbon dioxide gas enters the compressor 12 and is compressed therein. The compressed carbon dioxide gas was used for gas mining.
After that, it is sent from the press-fitting section 17 at its lower end into the water layer 14 of the gas field, dissolves in water, and stores carbon dioxide stably for a long period of time. In the figure, 16 is cap rock.

本発明の第3の実施例第3図によつて説明する。 A third embodiment of the present invention will be described with reference to FIG.

本実施例は、水溶性ガス田に二酸化炭素を貯蔵するよ
うにしたものである。
In this example, carbon dioxide is stored in a water-soluble gas field.

加圧された水21と二酸化炭素(CO2)ガス22は、それ
ぞれガス田坑井25内に設けられた内管26内及び同内管26
とガス田坑井25との間を通つて個別に送られる。
The pressurized water 21 and carbon dioxide (CO 2 ) gas 22 are contained in an inner pipe 26 and an inner pipe 26 provided in a gas field well 25, respectively.
And the gas well 25 are sent separately.

内管26の下端は、ガス田坑井25の下端より上方に位置
しており、ガス田坑井25の水溶性ガス層24の付近の下部
には圧入部23が形成されている。二酸化炭素ガス22は内
管26を通つてこの圧入部23へ送られ、ここで、二酸化炭
素ガス22は、水21に溶解された上、水溶性ガス層24内へ
圧入される。このようにして、二酸化炭素が水溶性ガス
層24内に長期安定的に貯蔵される。
The lower end of the inner pipe 26 is located above the lower end of the gas field well 25, and the press fit portion 23 is formed in the lower part of the gas field well 25 near the water-soluble gas layer 24. The carbon dioxide gas 22 is sent to the press-fitting portion 23 through the inner pipe 26, where the carbon dioxide gas 22 is dissolved in the water 21 and then injected into the water-soluble gas layer 24. In this way, carbon dioxide is stably stored in the water-soluble gas layer 24 for a long period of time.

なお、本実施例では、地上では二酸化炭素を水に溶解
させた後、水溶性ガス層へ送り込むようにしてもよい。
In this embodiment, carbon dioxide may be dissolved in water on the ground and then sent to the water-soluble gas layer.

〔発明の効果〕〔The invention's effect〕

化石燃料の燃焼等によつて発生する二酸化炭素の大気
放出は、温暖化現象等の地球環境被壊に通じるが、本発
明の方法によつて、燃焼ガスや大気圧より回収した二酸
化炭素を、大量に、かつ、比較的安価に、長期安定的に
ガス田又は油田の地層内に貯蔵することができ、これに
よつて、地球環境被壊防止に大きい効果を挙げることが
できる。
Atmospheric release of carbon dioxide generated by combustion of fossil fuel, etc. leads to global environment destruction such as global warming phenomenon, by the method of the present invention, carbon dioxide recovered from combustion gas and atmospheric pressure, It can be stored in a large amount and relatively inexpensively and stably in the formation of a gas field or an oil field for a long period of time, and thus, it is possible to exert a great effect on prevention of destruction of the global environment.

【図面の簡単な説明】[Brief description of drawings]

第1図は本発明の第1の実施例の説明図、第2図は本発
明の第2の実施例の説明図、第3図は本発明の第3の実
施例の説明図である。 1……タンク、2……コンプレツサ、3……水タンク、
4……ポンプ、5……ミキサ、6……ガス田坑井、7…
…圧入部、8……ガス層、9……帽岩、11……タンク、
12……コンプレツサ、13……ガス田坑井、14……水層、
15……ガス層、16……帽岩、17……圧入部、21……水、
22……二酸化炭素ガス、24……水溶性ガス層、25……ガ
ス田坑井、26……内管。
FIG. 1 is an explanatory view of a first embodiment of the present invention, FIG. 2 is an explanatory view of a second embodiment of the present invention, and FIG. 3 is an explanatory view of a third embodiment of the present invention. 1 ... Tank, 2 ... Complexor, 3 ... Water tank,
4 ... Pump, 5 ... Mixer, 6 ... Gas well, 7 ...
… Press fit section, 8 …… Gas layer, 9 …… Cap rock, 11 …… Tank,
12 …… Complexer, 13 …… Gas well, 14 …… Water layer,
15 …… Gas layer, 16 …… Cap rock, 17 …… Press fitting section, 21 …… Water,
22 …… Carbon dioxide gas, 24 …… Soluble gas layer, 25 …… Gas well, 26 …… Inner tube.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】ガス田又は油田の地下層内に二酸化炭素を
水に溶解させた状態で貯蔵することを特徴とする二酸化
炭素貯蔵方法。
1. A carbon dioxide storage method characterized by storing carbon dioxide dissolved in water in an underground layer of a gas field or an oil field.
JP2053716A 1990-03-07 1990-03-07 Carbon dioxide storage method Expired - Lifetime JP2548815B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2053716A JP2548815B2 (en) 1990-03-07 1990-03-07 Carbon dioxide storage method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2053716A JP2548815B2 (en) 1990-03-07 1990-03-07 Carbon dioxide storage method

Publications (2)

Publication Number Publication Date
JPH03258340A JPH03258340A (en) 1991-11-18
JP2548815B2 true JP2548815B2 (en) 1996-10-30

Family

ID=12950556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2053716A Expired - Lifetime JP2548815B2 (en) 1990-03-07 1990-03-07 Carbon dioxide storage method

Country Status (1)

Country Link
JP (1) JP2548815B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007116242A1 (en) * 2006-04-27 2007-10-18 See Chun Sui Zero emission device
JP4973936B2 (en) * 2007-06-15 2012-07-11 小出 仁 Carbon dioxide underground storage method and underground storage system
NL1034656C2 (en) * 2007-11-08 2009-05-11 If Tech Bv Method for introducing CO2 into the soil.
CN101190743B (en) * 2007-11-30 2013-11-06 中国科学院武汉岩土力学研究所 Carbon dioxide geological sequestration method based on mixed fluid self-detaching
JP5561706B2 (en) * 2008-05-23 2014-07-30 独立行政法人産業技術総合研究所 Carbon dioxide storage and sequestration methods
JP2010119962A (en) * 2008-11-20 2010-06-03 National Institute Of Advanced Industrial Science & Technology Carbon dioxide storage in shallow aquifer
US9586759B2 (en) 2011-06-30 2017-03-07 Statoil Petroleum As Method for storing carbon dioxide compositions in subterranean geological formations and an arrangement for use in such methods
JP5705271B2 (en) * 2013-06-17 2015-04-22 大陽日酸株式会社 CO2 transportation method, disposal method and transportation method
GB2595635A (en) * 2020-05-04 2021-12-08 Equinor Energy As Capturing and storing CO2 generated by offshore hydrocarbon production facilities

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JPS5820359B2 (en) * 1978-11-01 1983-04-22 日立造船株式会社 Oil field hot water and steam plants

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Res.Discl.1989,301,295(CAIII:42236)

Also Published As

Publication number Publication date
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