Invention Grant
- Patent Title: Apparatus and method for well operations
- Patent Title (中): 井操作的装置和方法
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Application No.: US13635490Application Date: 2011-03-23
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Publication No.: US09279301B2Publication Date: 2016-03-08
- Inventor: James Randolph Lovorn , Derrick Winston Lewis , Daniel David Gleitman , Michael John Strachan , Clive D Menezes
- Applicant: James Randolph Lovorn , Derrick Winston Lewis , Daniel David Gleitman , Michael John Strachan , Clive D Menezes
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: McGuire Woods, LLP
- International Application: PCT/US2011/029533 WO 20110323
- International Announcement: WO2011/119675 WO 20110929
- Main IPC: E21B21/12
- IPC: E21B21/12 ; E21B21/10 ; E21B21/08 ; E21B34/06
Abstract:
A method for modifying a return fluid in a wellbore comprises disposing at least one controllable flow restrictor along a drill string in the wellbore. At least one parameter of interest is determined at at least one location along an annulus in the wellbore. Controllably actuating the at least one flow restrictor to modify a local property of a return fluid in the annulus based at least in part on the measured parameter of interest.
Public/Granted literature
- US20130008648A1 Apparatus and Method for Well Operations Public/Granted day:2013-01-10
Information query
