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2020
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Invention
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Rig movement, rotation and alignment assembly. A rig movement, rotation and alignment assembly. A... |
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2018
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Invention
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Cradle for retention, transportation and rotation of blowout preventer. A retention, transportati... |
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2015
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Invention
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Cylinder alignment monitoring system for a mast or derrick. A cylinder alignment monitoring syste... |
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P/S
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Transportable metal construction, namely, metal transportation and storage system for a blowout p... |
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Invention
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Blowout preventer storage, transport and lift skid assembly. A storage, transport and lift ... |
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Invention
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Blowout preventer storage, transport and lift skid assembly. A storage, transport and lift skid a... |
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2014
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Invention
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Rig movement and rotation assembly. A rig movement and rotation assembly, which includes a first ... |
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2013
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Invention
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Blowout preventer transport and handling system. A blowout preventer transport and handling syste... |
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Invention
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Apparatus for and method of folding a mast or derrick. A method of folding a mast or derrick and ... |
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2012
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P/S
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Drilling rigs and drilling machines used in the oil and gas drilling industry |
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Invention
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Mast assembly with cylinder nested in substructure. A method to disassemble a mast assembly havin... |
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2011
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Invention
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Dual offset derrick. An oil derrick comprising a derrick tower, where the derrick tower is asymme... |
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Invention
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Method and apparatus for erection and disassembly of a sectional mast assembly. A method and an a... |
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2010
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Invention
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Articulating mast. The present invention relates to an articulating mast having sections th... |
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P/S
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Oil field equipment, namely, extension mast crane, a scoping dog assembly comprised of a wheeled ... |
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P/S
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Well to well rig moving systems comprised of a support structure, hydraulic cylinders, hoses, and... |
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P/S
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Drilling rigs used in the oil and gas drilling industry |
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Invention
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Hingeable derrick. A hingeable derrick, comprising an upper structure with a first face and a sec... |
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P/S
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Drilling rigs and equipment, namely, masts and substructures, derricks, cranes, hoisting equipmen... |
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2009
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Invention
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Articulating mast. The present invention relates to an articulating mast having sections that may... |
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Invention
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Open face derrick. An offshore oil derrick having a derrick tower (1), a derrick substructure (2)... |
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2008
|
Invention
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Open face derrick.
An offshore oil derrick having a derrick tower, a derrick substructure, and a... |
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2003
|
Invention
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Dolly for a transportable adjustable width mast. A dolly for a mast wherein the dolly inclu... |
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Invention
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Variable controlled guide device for wireline spooler. A guide device for a wireline spoole... |
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Invention
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Automated pipe racking process and apparatus. An automated pipe racking apparatus for a drilling ... |
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Invention
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Variable controlled guide device for wireline spooler. A guide device for a wireline spooler havi... |
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2001
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Invention
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Method of folding an articulating mast. An articulating derrick having a back face, a pair of opp... |
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1992
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Invention
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Apparatus and method for moving track guided equipment to and from a track. Apparatus and method ... |
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1986
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Invention
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Automated pipe racking apparatus. Apparatus for use to facilitate threading and unthreading subst... |
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1981
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Invention
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Infinitely variable crown block positioning. Mounted in the upper part of an oil well drilling de... |
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1975
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Invention
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Pipe rack with pivoted fingers. A plurality of vertically spaced rows of substantially horizontal... |
