Improvements in or relating to downhole tools

Improvements in or relating to downhole tools

Described herein is a reamer tool (100) having a body (105) with bays (115) in which cutter arms (110) are mounted for deployment between a stowed position and a deployed position. A deployment mechanism is provided for deploying the cutter arms from their stowed position to their deployed position...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LASSOIE JEAN-PIERRE, RANSFORD HARDIN JR JOHN
Format: Patent
Sprache:eng
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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Beschreibung
Zusammenfassung:Described herein is a reamer tool (100) having a body (105) with bays (115) in which cutter arms (110) are mounted for deployment between a stowed position and a deployed position. A deployment mechanism is provided for deploying the cutter arms from their stowed position to their deployed position that maintains each cutter arm in a position that is substantially parallel to a longitudinal axis of the body (105) whilst in its stowed position and in its deployed position as well as during its deployment from its stowed position to its deployed position.