MOBILE DRILLING RIG WITH TELESCOPING SUBSTRUCTURE BOXES

MOBILE DRILLING RIG WITH TELESCOPING SUBSTRUCTURE BOXES

A drilling rig mast erection system is described that comprises a mast support shoe (210) fixedly attached to a drilling rig substructure (100), said mast support shoe (210) comprising a support shoe pinned connection (210p), a bottom mast section (220) of a drilling rig mast (200), said bottom mast...

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Hauptverfasser: BURLET, Donald, Leonard, THIESSEN, Jay, John, KONDUC, Kameron, Wayne
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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creator BURLET, Donald, Leonard
THIESSEN, Jay, John
KONDUC, Kameron, Wayne
description A drilling rig mast erection system is described that comprises a mast support shoe (210) fixedly attached to a drilling rig substructure (100), said mast support shoe (210) comprising a support shoe pinned connection (210p), a bottom mast section (220) of a drilling rig mast (200), said bottom mast section (220) comprising a first mast pinned connection (221 p) that is adapted to be pivotably connected to said first pinned connection (210p) of said mast support shoe (210), and a mast positioning apparatus (550) that is adapted to pivotably position said bottom mast section (220) so that said first mast pinned connection (221 p) is positioned adjacent to said support shoe pinned connection (210p), said mast positioning apparatus (550) comprising a bottom mast support spreader (502) having a first end that is adapted to be pivotably connected to said bottom mast section (220) at a first spreader end pinned connection (220p) and a mast erection apparatus (501) having a first end that is adapted to be pivotably connected to said bottom mast support spreader (502) at a first mast erection apparatus pinned connection (502p).
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title MOBILE DRILLING RIG WITH TELESCOPING SUBSTRUCTURE BOXES
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