Chemical amendments for the stimulation of biogenic gas...

E - Fixed Constructions – 21 – B

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E21B 43/22 (2006.01) C12P 1/00 (2006.01) C12P 5/02 (2006.01) C09K 8/582 (2006.01) C09K 8/60 (2006.01) C12P 3/00 (2006.01)

Patent

CA 2691094

Methods of stimulating biogenic production of a metabolic product with enhanced hydrogen content are described. The methods may include accessing a consortium of microorganisms in a geologic formation that includes a carbonaceous material. They may also include providing a phosphorous compound to the microorganisms. The phosphorous compound stimulates the consortium to metabolize the carbonaceous material into a metabolic product with enhanced hydrogen content. Also, methods of stimulating biogenic production of a metabolic product with enhanced hydrogen content by providing a yeast extract amendment to a consortium of microorganisms is described. The yeast extract amendment stimulates the consortium to metabolize carbonaceous material in the formation into the metabolic product with enhanced hydrogen content.

Cette invention décrit des procédés permettant de stimuler la production biogénique d'un produit métabolique avec une teneur accrue en hydrogène. Les procédés peuvent comprendre l'accès à un consortium de micro-organismes dans une formation géologique incluant une substance carbonée. Ils peuvent également comprendre la fourniture d'un composé phosphorique aux micro-organismes. Le composé phosphorique stimule le consortium pour métaboliser la substance carbonée en un produit métabolique à plus grande teneur en hydrogène. Par ailleurs, cette invention décrit des procédés permettant de stimuler la production biogénique d'un produit métabolique à teneur accrue en hydrogène en fournissant un amendement d'extrait de levure à un consortium de micro-organismes. L'amendement d'extrait de levure stimule le consortium pour métaboliser la substance carbonée dans la formation à l'intérieur du produit métabolique à teneur accrue en hydrogène.

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