Invention Grant
- Patent Title: System and method for one-trip hole enlargement operations
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Application No.: US12934918Application Date: 2009-03-27
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Publication No.: US09670735B2Publication Date: 2017-06-06
- Inventor: Luk Servaes , Stefano Mancini
- Applicant: Luk Servaes , Stefano Mancini
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: Baker Botts L.L.P.
- International Application: PCT/US2009/038486 WO 20090327
- International Announcement: WO2009/123918 WO 20091008
- Main IPC: E21B7/28
- IPC: E21B7/28 ; E21B10/32
Abstract:
A drilling assembly for simultaneous hole enlargement operations comprises a drill bit, an adjustable diameter reamer, and a hole opener. The reamer is coupled with, and positioned uphole from the drill bit. The reamer is adjustable between a first diameter and a second diameter that is larger than the first diameter. The hole opener is coupled with, and positioned uphole from the reamer.
Public/Granted literature
- US20110024194A1 SYSTEM AND METHOD FOR ONE-TRIP HOLE ENLARGEMENT OPERATIONS Public/Granted day:2011-02-03
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