US2007199714A1PendingUtilityA1
Closed loop multiphase underbalanced drilling process
Individually held — no corporate assignee on recordPriority: Jul 10, 2002Filed: Feb 20, 2007Published: Aug 30, 2007
Est. expiryJul 10, 2022(expired)· nominal 20-yr term from priority
E21B 21/085E21B 21/14E21B 21/063E21B 43/35
41
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Claims
Abstract
The present invention provides apparatus and methods for handling fluids returning from a well. The fluids are introduced into a separator and a separated gas stream is recovered or recycled. The gas stream may comprise more than one phase. The separated gas stream is urged through a multiphase pump before it is recovered. Alternatively, the return fluids may pass through a multiphase pump before it is introduced into the separator.
Claims
exact text as granted — not AI-modified1 . A system for handling fluids returning from a well, the well having an inlet and an outlet.
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