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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0947344 (1978-10-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 297 인용 특허 : 1 |
Hydrogen and other gases that are miscible in petroleum are injected into an underground reservoir to the extent that the volume of hydrogen exceeds the absorption capacity of the petroleum, thereby forming a gas cap composed substantially of hydrogen. Petroleum is withdrawn from the reservoir in pa
Hydrogen and other gases that are miscible in petroleum are injected into an underground reservoir to the extent that the volume of hydrogen exceeds the absorption capacity of the petroleum, thereby forming a gas cap composed substantially of hydrogen. Petroleum is withdrawn from the reservoir in part under the influence of gases absorbed into the petroleum and in part under the influence of increased reservoir pressure created by an artificial gas cap. Reservoir temperature is increased by establishing a combustion zone within the underground petroleum reservoir. Hydrogen is withdrawn from the artificial gas cap and is reinjected into the petroleum adjacent to the combustion zone with the resultant hydrogenation of the petroleum.
In an underground petroleum reservoir originally devoid of a gas cap and wherein an artificial gas cap has been created by injecting generated gases that are miscible in petroleum into said underground petroleum reservoir in such volume as to exceed the capacity of the petroleum to absorb the said g
In an underground petroleum reservoir originally devoid of a gas cap and wherein an artificial gas cap has been created by injecting generated gases that are miscible in petroleum into said underground petroleum reservoir in such volume as to exceed the capacity of the petroleum to absorb the said generated gases, a method of producing fluids from the underground petroleum reservoir comprising the steps of establishing a first communication passage from the surface of the earth into the said artificial gas cap, establishing a second communication passage from the surface of the earth into the said petroleum, withdrawing petroleum through the said second communication passage, terminating withdrawal of petroleum through the said second communication passage, then withdrawing gas from the said artificial gas cap through the said first communication passage.
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