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公开(公告)号:US08387723B2
公开(公告)日:2013-03-05
申请号:US12529583
申请日:2008-03-03
CPC分类号: C09K8/16 , C09K8/206 , C09K2208/12 , E21B21/003 , E21B21/062 , E21B21/068
摘要: A drilling fluid and method for drilling in a coal containing formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 1% potassium salt; circulating the drilling fluid through the well; and drilling into a coal seam.
摘要翻译: 一种用于在含煤地层中钻井的钻井液和方法。 该方法包括:提供包含至少1%钾盐的混合金属粘稠钻井液; 使钻井液循环通过井; 并钻入煤层。
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公开(公告)号:US07989399B2
公开(公告)日:2011-08-02
申请号:US12025164
申请日:2008-02-04
摘要: A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.
摘要翻译: 一种钻井液,包括:包含支链醇乙氧基化物和封端醇乙氧基化物中的至少一种的非离子表面活性剂,洗涤剂助洗剂和增粘剂。
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公开(公告)号:US20080217064A1
公开(公告)日:2008-09-11
申请号:US12025164
申请日:2008-02-04
摘要: A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.
摘要翻译: 一种钻井液,包括:包含支链醇乙氧基化物和封端醇乙氧基化物中的至少一种的非离子表面活性剂,洗涤剂助洗剂和增粘剂。
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公开(公告)号:US08338340B2
公开(公告)日:2012-12-25
申请号:US13193170
申请日:2011-07-28
摘要: A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.
摘要翻译: 一种钻井液,包括:包含支链醇乙氧基化物和封端醇乙氧基化物中的至少一种的非离子表面活性剂,洗涤剂助洗剂和增粘剂。
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公开(公告)号:US20100089650A1
公开(公告)日:2010-04-15
申请号:US12529583
申请日:2008-03-03
CPC分类号: C09K8/16 , C09K8/206 , C09K2208/12 , E21B21/003 , E21B21/062 , E21B21/068
摘要: A drilling fluid and method for drilling in a coal containing formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 1% potassium salt; circulating the drilling fluid through the well; and drilling into a coal seam.
摘要翻译: 一种用于在含煤地层中钻井的钻井液和方法。 该方法包括:提供包含至少1%钾盐的混合金属粘稠钻井液; 使钻井液循环通过井; 并钻入煤层。
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公开(公告)号:US20110281777A1
公开(公告)日:2011-11-17
申请号:US13193170
申请日:2011-07-28
IPC分类号: C09K8/035
摘要: A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.
摘要翻译: 一种钻井液,包括:包含支链醇乙氧基化物和封端醇乙氧基化物中的至少一种的非离子表面活性剂,洗涤剂助洗剂和增粘剂。
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