Small footprint drilling rig

Details Small footprint drilling rig Small footprint drilling rig

2011-04-26

2011-04-26

Thompson, Kenneth (Department: 3672)

Wells

Above ground apparatus

C166S085100

Reexamination Certificate

active

07931076

ABSTRACT:
A method and apparatus for a moving a floor structure relative to a base structure is provided. The apparatus includes a base structure having an opening for a well head, a floor structure coupled to the base structure by a plurality of support members, and a drive mechanism disposed on the floor structure, the drive mechanism providing motive force to the support members for moving the floor structure relative to the base structure in a single first direction.

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International Search Report and Written Opinion of the International Searching Authority mailed Sep. 11, 2009 in PCT/US2009/032722.

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