发明名称 WELL ELEMENT DESTRUCTION METHOD, AND WELL DEVICE (VERSIONS)
摘要 FIELD: mining.SUBSTANCE: method involves provision of the tool to be arranged in a well to perform the well function requiring minimum structural integrity of the tool element, formation at least of some part of the element from iron alloy, saturation of iron alloy with hydrogen in advance or lowering of the tool to the well to provide easier cracking of the element than prior to its hydrogen saturation.EFFECT: improving destruction economy, safety and reliability at the drilling site.29 cl, 31 dwg
申请公布号 RU2472919(C2) 申请公布日期 2013.01.20
申请号 RU20080134583 申请日期 2008.08.22
申请人 SHLJUMBERGER TEKNOLODZHI B.V. 发明人 MARIJA MANJUEHL';VERNER EHNDRJU T.
分类号 E21B29/00 主分类号 E21B29/00
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