Invention Grant
- Patent Title: Rotary downhole tool
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Application No.: US15548456Application Date: 2016-01-28
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Publication No.: US10794119B2Publication Date: 2020-10-06
- Inventor: Haydn G. Smith , Graham Watson
- Applicant: NOV Downhole Eurasia Limited
- Applicant Address: GB Stonehouse, Gloucestershi
- Assignee: NOV Downhole Eurasia Limited
- Current Assignee: NOV Downhole Eurasia Limited
- Current Assignee Address: GB Stonehouse, Gloucestershi
- Agency: Andrus Intellectual Property Law, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@43558240
- International Application: PCT/GB2016/050189 WO 20160128
- International Announcement: WO2016/124890 WO 20160811
- Main IPC: E21B10/30
- IPC: E21B10/30 ; E21B17/10 ; E21B17/16 ; E21B12/00 ; E21B7/06 ; E21B10/42 ; E21B10/55
Abstract:
A rotary downhole tool, for example in the form of a drill bit, is described that includes a tool body, the body defining a gauge region, and at least one gauge roller rotatably mounted to the body.
Public/Granted literature
- US20180238117A1 ROTARY DOWNHOLE TOOL Public/Granted day:2018-08-23
Information query
