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Rotary steerable system with orienter behind a bend motor

IP.com Disclosure Number: IPCOM000173456D
Publication Date: 2008-Aug-06
Document File: 1 page(s) / 10K

Publishing Venue

The IP.com Prior Art Database

Abstract

Drill bit, Xtreme motor with AKO and near bit sensors. Behind that an e-motor-drive (or other) orientation sub to keep the AKO geostationary even with surface rotation. Directional control is achieved by managing the RPM of the orienter. Advantages: a) this setup keeps the high stresses due to bit offset away from the orienting sub. b) It's modular and limits development work to the orienter c) Orienter only sees surface RPM d) It allows RWDs below the steering unit (i.e. the AKO)

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484-45891-US Defensive Publication:

Title:

Rotary steerable system with orienter behind a bend motor

Abstract:

Drill bit, Xtreme motor with AKO and near bit sensors. Behind that an e-motor-drive (or other) orientation sub to keep the AKO geostationary even with surface rotation. Directional control is achieved by managing the RPM of the orienter. Advantages: a) this setup keeps the high stresses due to bit offset away from the orienting sub. b) It's modular and limits development work to the orienter c) Orienter only sees surface RPM d) It allows RWDs below the steering unit (i.e. the AKO)

Description:

Drill bit, Xtreme motor with AKO and near bit sensors. Behind that an e-motor-drive (or other) orientation sub to keep the AKO geostationary even with surface rotation. Directional control is achieved by managing the RPM of the orienter. Advantages: a) this setup keeps the high stresses due to bit offset away from the orienting sub. b) It's modular and limits development work to the orienter c) Orienter only sees surface RPM d) It allows RWDs below the steering unit (i.e. the AKO)