Estimation by Experiments and Its Analysis for Thermal Stimulation of Methane Hydrate Using Exothermic Reaction of Co2 Hydrate Formation

Ikegawa, Yojiro

doi:10.2208/jscejg.63.206

Cited by 3 publications

(2 citation statements)

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“…We have shown a method to make CO2/water emulsion by spraying liquid CO2 in CO2 gas in pressure cell [4,5]. And the sprayed liquid CO2 is mixed with water.…”

Section: Co2/water Emulsionmentioning

confidence: 99%

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SS: Hydrates: Experimental results for long term CO2 injection near methane hydrate formations

Ikegawa¹,

Miyakawa²,

Suzuki³

et al. 2010

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CO2 has been focused for improving recovery factor of methane hydrate. The most of the principle is replacing guest molecular. It is also known that CO2 hydrate formation generates a large amount of exothermic heat. This heat can warm sediments up to 10 degrees Celsius as one of heating method. But a problem is how to inject CO2 at near fields of methane hydrate formations. CO2 hydrate formed in sediment blocks the pore of sediments. Then CO2 cannot inject into sediments for about ten-year term. But it is possible to inject CO2 for long term by a thermo-dynamic principle of the stability zone of CO2 hydrate. We will present experimental results to prove the principle of CO2 injection into formations.

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“…We have shown a method to make CO2/water emulsion by spraying liquid CO2 in CO2 gas in pressure cell [4,5]. And the sprayed liquid CO2 is mixed with water.…”

Section: Co2/water Emulsionmentioning

confidence: 99%

“…We focused that CO2 hydrate formation is exothermic reaction, and we have proposed a heating method using heat of CO2 hydrate formation [4,5]. Sediments can be warmed up to 10 degrees Celsius when the pressure is more than or equal to 4.5 MPa to accelerate dissolving methane hydrate.…”

Section: Introductionmentioning

confidence: 99%