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1. WO2021026947 - COMBUSTIBLE ICE FAST SUPERCOOLING NANO LIQUEFACTION AGENT AND METHOD FOR MINING COMBUSTIBLE ICE

Publication Number WO/2021/026947
Publication Date 18.02.2021
International Application No. PCT/CN2019/101549
International Filing Date 20.08.2019
IPC
C09K 8/00 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
C09K 8/58 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
E21B 43/01 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
01specially adapted for obtaining from underwater installations
E21B 43/16 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
16Enhanced recovery methods for obtaining hydrocarbons
CPC
C09K 8/00
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
C09K 8/58
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
E21B 43/01
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
01specially adapted for obtaining from underwater installations
E21B 43/16
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
16Enhanced recovery methods for obtaining hydrocarbons
Applicants
  • 成都能生材科技开发有限责任公司 CHENGDU ENERGY LIFE MATERIALS SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD (ELM) [CN]/[CN]
  • 成都能生材科技开发有限责任公司仁寿分公司 CHENGDU ENERGY LIFE MATERIALS SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD RENSHOU BRANCH (ELMB) [CN]/[CN]
  • 仁寿能生材科技有限公司 RENSHOU ENERGY LIFE MATERIALS SCIENCE AND TECHNOLOGY CO., LTD (ELMR) [CN]/[CN]
Inventors
  • 冯文光 FENG, Wenguang
  • 冯妍 FENG, Yan
  • 冯卓 FENG, Zhuo
  • 冯博 FENG, Bo
Agents
  • 北京慕达星云知识产权代理事务所(特殊普通合伙) MUDA INTELLECTUAL PROPERTY FIRM
Priority Data
201910740700.712.08.2019CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) COMBUSTIBLE ICE FAST SUPERCOOLING NANO LIQUEFACTION AGENT AND METHOD FOR MINING COMBUSTIBLE ICE
(FR) AGENT DE NANO-LIQUÉFACTION POUR LA SURFUSION RAPIDE DE LA GLACE COMBUSTIBLE ET PROCÉDÉ D'EXTRACTION DE GLACE COMBUSTIBLE
(ZH) 一种可燃冰快速过冷纳米液化剂及其开采可燃冰的方法
Abstract
(EN)
A combustible ice fast supercooling nano liquefaction agent and a method for mining the combustible ice. The combustible ice fast supercooling nano liquefaction agent comprises the following components by mass percentage: 0%-25% of an ammonium salt, 0%-25% of an acid , 10%-80% of a penetrant, 0%-25% of an amide, 5%-70% of an ester, 2%-40% of an ether, 0%-35% of an alcohol, 0%-25% of a ketone and 0%-35% of an aldehyde. According to rock mineral composition, a liquefaction agent having a freezing point at -200℃ to -10℃, a high flash point, a high rock dissolution rate, an increased permeability, a low injection pressure, a rapid drop in injection pressure, a long effective supercooling liquefaction distance and a large effective supercooling liquefaction volume for both single well and group wells, a fast supercooling liquefaction speed, and being safe and environmentally-friendly is selected, so as to achieve low-cost, large-scale, long-term production of methane gas from combustible ice.
(FR)
L'invention concerne un agent de nano-liquéfaction pour la surfusion rapide de la glace combustible et un procédé d'extraction de glace combustible. L'agent de nano-liquéfaction pour la surfusion rapide de la glace combustible comprend les constituants suivants, en pourcentage en masse : 0 % à 25 % d'un sel d'ammonium, 0 % à 25 % d'un acide, 10 % à 80 % d'un agent pénétrant, 0 % à 25 % d'un amide, 5 % à 70 % d'un ester, 2 % à 40 % d'un éther, 0 % à 35 % d'un alcool, 0 % à 25 % d'une cétone et 0 % à 35 % d'un aldéhyde. En fonction de la composition minérale de la roche, on choisit un agent de liquéfaction ayant un point de congélation entre -200 °C et -10 °C, un point d'éclair élevé, un taux de dissolution de roche élevé, une perméabilité accrue, une faible pression d'injection, une chute rapide de la pression d'injection, une longue distance efficace de liquéfaction en surfusion et un grand volume efficace de liquéfaction en surfusion pour à la fois des puits isolés et des puits groupés, une vitesse élevée de liquéfaction en surfusion, tout en étant sûr et respectueux de l'environnement, de façon à établir une production à faible coût, à grande échelle et à long terme de méthane gazeux à partir de glace combustible.
(ZH)
一种可燃冰快速过冷纳米液化剂及其开采可燃冰的方法,可燃冰快速过冷纳米液化剂包括如下质量百分比的组分:0%-25%的铵盐、0%-25%的酸、10%-80%的渗透剂、0%-25%的酰胺、5%-70%的酯、2%-40%的醚、0%-35%的醇、0%-25%的酮和0%-35%的醛。根据岩石矿物成分选择冰点在-200℃~-10℃、闪点高、岩石溶解率高、渗透率增大、注入压力低、注入压力快降、单井和群井有效过冷液化距离长和体积大、过冷液化速度快、安全环保的液化剂,实现可燃冰的低成本大规模长期生产甲烷气。
Also published as
RU2020112212
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