Invention Grant
- Patent Title: Support apparatus for supporting down hole rotary tools
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Application No.: US15482364Application Date: 2017-04-07
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Publication No.: US09938778B2Publication Date: 2018-04-10
- Inventor: Douglas C. Burns
- Applicant: SWIVEL RENTAL & SUPPLY, L.L.C.
- Applicant Address: US LA Lafayette
- Assignee: SWIVEL RENTAL & SUPPLY, L.L.C.
- Current Assignee: SWIVEL RENTAL & SUPPLY, L.L.C.
- Current Assignee Address: US LA Lafayette
- Agency: Garvey, Smith & Nehrbass, Patent Attorneys, L.L.C.
- Agent Seth M. Nehrbass; Julie R. Chauvin
- Main IPC: E21B15/00
- IPC: E21B15/00 ; E21B7/02
Abstract:
A portable mast assembly is comprised of a skid assembly having a horizontally oriented frame comprised of longitudinally extending support beams and a mast assembly having at least two vertically extending columns that are supported directly upon a longitudinally extending mast beam without an intervening track or roller. A means for moving the mast beams along the top of the extending support beams of the frame without a roller is provided.
Public/Granted literature
- US20170275952A1 Support Apparatus for Supporting Down Hole Rotary Tools Public/Granted day:2017-09-28
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