Steering system

A downhole steering system comprises a first full gauge stabilizer , a bias unit , a universal joint , and a second full gauge stabiliser , the bias unit and universal joint being located between the first and second full gauge stabilizers . The system further comprises a drill bit and a fluid power...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Downton, Geoff
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A downhole steering system comprises a first full gauge stabilizer , a bias unit , a universal joint , and a second full gauge stabiliser , the bias unit and universal joint being located between the first and second full gauge stabilizers . The system further comprises a drill bit and a fluid powered downhole motor , the motor being located, at least partially, between the drill bit and the second stabilizer