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发明名称
PLUNGER FALL TIME IDENTIFICATION METHOD AND USAGE
摘要
A method for determining when a plunger reaches the bottom of an oil or gas well equipped with a plunger lift system. More particularly, the method identifies a surface pressure associated with the plunger reaching the bottom.
申请公布号
EP2906783(A1)
申请公布日期
2015.08.19
申请号
EP20130847925
申请日期
2013.09.16
申请人
CONOCOPHILLIPS COMPANY
发明人
BERGMAN, PATRICK W.
分类号
E21B47/09;E21B43/12
主分类号
E21B47/09
代理机构
代理人
主权项
地址
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