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Patent Searching and Data


Title:
AN INVERTED MOTOR FOR DRILLING
Document Type and Number:
WIPO Patent Application WO2003027433
Kind Code:
A8
Abstract:
An inverted motor with a drilling utensil attached to or integrated as part of an outer motor housing (8)that rotates around a fixed non-rotating shaft or tube (7). The non-rotating shaft or tube is attached to a fixed base (6)and can extend to the end or past the end of the drilling utensil. A rotary motor (60)is positioned between the outer rotating housing and center fixed shaft and imparts force and motion to the housing and drilling utensil (63).A channel (11)traverses through the length of the shaft or tube to allow fluids or wires to fully or partially bypass the motor.

Inventors:
OGLESBY KENNETH D (US)
Application Number:
US0229388W
Publication Date:
April 01, 2004
Filing Date:
September 16, 2002
Export Citation:
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Assignee:
OGLESBY, KENNETH, D.
International Classes:
E21B4/00; E21B4/02; E21B4/04; (IPC1-7): E21B4/00; E21B4/02; E21B4/04; E21B4/16; F03B13/02; F04C2/107
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