(US10801310) Using gases and hydrocarbon recovery fluids containing nanoparticles to enhance hydrocarbon recovery 机翻标题: 暂无翻译,请尝试点击翻译按钮。

源语言标题
(US10801310) Using gases and hydrocarbon recovery fluids containing nanoparticles to enhance hydrocarbon recovery
公开号/公开日
US10801310US20190093462 / 2020-10-132019-03-28
申请号/申请日
US16/141,824 / 2018-09-25
发明人
Watts RobinWatts KevinSouthwell John EdmondHolcomb DavidAslam NaveedAhmad Yusra Khan;
申请人
LINDE MESSER GRIESHEIM INDUSTRIES NISSAN CHEMICAL AMERICA;
主分类号
IPC分类号
E21B-043/16 E21B-043/26
摘要
(US10801310) A process of stimulating hydrocarbon recovery is described and claimed. This process includes introducing a gas, a liquified gas or a vaporized liquified gas, into an underground formation containing hydrocarbons such as crude oil and gas, permitting said gas to be absorbed by said hydrocarbons, and withdrawing said hydrocarbons containing the gas therein, wherein a pill of Hydrocarbon Recovery Fluid comprising surface functionalized nanoparticles is inserted into the underground formation containing hydrocarbons before, during or after the introduction of the gas, liquified gas or a vaporized liquified gas.
机翻摘要
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地址
代理人
(US10801310) Nixon & Vanderhye, P.C. Brumm Margaret Cohen Joshua L.
代理机构
;
优先权号
2017US-62563415 2018US-16141824 2018US-62697321
主权利要求
(US10801310) What is claimed: 1. A process of stimulating hydrocarbon recovery comprising   (a) introducing a gas, a liquefied gas or vaporized liquefied gas into an underground formation containing hydrocarbons;   (b) permitting said gas, liquefied gas or vaporized liquefied gas to be absorbed by said hydrocarbons;   (c) withdrawing said hydrocarbons containing said gas, liquefied gas or vaporized liquefied gas absorbed therein; and   (d) inserting a pill of hydrocarbon recovery fluid comprising an aqueous silica sol comprising surface functionalized nanoparticles into the underground formation, before the introduction of the gas, liquefied gas or vaporized liquefied gas, wherein said surface functionalized nanoparticles are brine resistant silica sol nanoparticles surface functionalized with a silane compound having at least one organic functional group selected from the group consisting of a vinyl group, an ether group, an epoxy group, a styryl group, a methacryl group, an acryl group, an amino group, an isocyanurate group, an alkoxysilane group, a silazane group and a siloxane group, and wherein the surface functionalized nanoparticles alter wettability of solid/liquefied surfaces and facilitate flow of the hydrocarbons. 2. The process of claim 1 wherein the gas, liquefied gas or vaporized liquefied gas and the pill include one or more injectants selected from the group consisting of fresh water, potassium chloride water and diverters. 3. The process of claim 1 wherein said gas is selected from the group consisting of carbon dioxide, nitrogen, natural gas, and mixtures thereof. 4. The process of claim 3 wherein said gas is a mixture of two or more gases selected from the group consisting of carbon dioxide, nitrogen and natural gas. 5. The process of claim 3 wherein said process is part of a huff and puff treatment process. 6. The process of claim 5 wherein said process is a waterless fracturing process. 7. The process of claim 1 wherein the gas is introduced and said gas is carbon dioxide. 8. The process of claim 1 wherein the gas is introduced and said gas is nitrogen. 9. The process of claim 1 wherein the gas is introduced and said gas is natural gas. 10. The process of claim 1 wherein the liquefied gas is introduced and said liquefied gas is liquefied natural gas, liquefied carbon dioxide, or mixtures thereof. 11. The process of claim 1 wherein said hydrocarbon recovery fluid comprises:   sodium hydroxide,   one anionic surfactant, and   one nonionic surfactant. 12. The process of claim 1, wherein the underground formation is a conventional well with a porosity of greater than 8%. 13. The process of claim 1, wherein the underground formation is an unconventional well with a porosity of greater than 4%. 14. The process of claim 1, wherein the underground formation has an API oil gravity of less than 30.
法律状态
GRANTED
专利类型码
B2A1
国别省市代码
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