Invention Grant
- Patent Title: Rotary drill head for coiled tubing drilling apparatus
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Application No.: US16476786Application Date: 2017-10-11
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Publication No.: US10995563B2Publication Date: 2021-05-04
- Inventor: Søren Pham Søe , Shane Lee Fox
- Applicant: MINEX CRC LTD
- Applicant Address: AU Kensington
- Assignee: MINEX CRC LTD
- Current Assignee: MINEX CRC LTD
- Current Assignee Address: AU Kensington
- Agency: Marshall, Gerstein & Borun LLP
- Priority: AU2017900143 20170118,WOPCT/AU2017/050508 20170530
- International Application: PCT/AU2017/051098 WO 20171011
- International Announcement: WO2018/132862 WO 20180726
- Main IPC: E21B19/08
- IPC: E21B19/08 ; E21B3/04 ; B65H75/42 ; B65H75/44 ; E21B7/02 ; E21B19/24 ; E21B19/22 ; E21B3/02 ; E21B15/00

Abstract:
A mobile, coiled tubing drilling apparatus with a rotary drill head, includes a non-rotating mast on a mobile platform. The mast has mounted thereon an injector below a coiled tubing reel. The injector defines an operational axis for the coiled tubing. The rotary drill head is pivotally mounted on the injector so as to be movable between a retracted position away from the operational axis and an operating position in line with the operational axis. The rotary drill head includes a top swivel for non-rotating connection to the coiled tubing and a bottom spindle for rotating connection to a pipe section. The top swivel and the bottom spindle provide fluid communication between connected coiled tubing and connected pipe section during operation.
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