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Johannes Witte

Baker Hughes

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Archive | 2001

Integrated modular connector in a drill pipe

Helmut Floerke; Detlef Ragnitz; Johannes Witte

Archive | 2001

Steerable modular drilling assembly

Volker Krueger; Hans Rehbock; Thomas Kruspe; Johannes Witte; Detlef Ragnitz

Archive | 2010

Remotely controlled apparatus for downhole applications and methods of operation

Steven R. Radford; Khoi Q. Trinh; Jason R. Habernal; R. Keith Glasgow; John G. Evans; Bruce Stauffer; Johannes Witte

Archive | 2006

Telemetry system with an insulating connector

Andreas Peter; Volker Krueger; Johannes Witte

Archive | 2011

Remotely controlled apparatus for downhole applications and related methods

Steven R. Radford; S. Richard Gentry; Johannes Witte

Archive | 2007

Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling bha

Volker Krueger; Thomas Kruspe; Hans-Juergen Faber; Johannes Witte

Archive | 1992

ADJUSTABLE ANGLE PIPE JOINT

Johannes Witte

Archive | 1999

Downhole measurement of depth

Johannes Witte

Archive | 1991

Method and apparatus for optional straight hole drilling or directional drilling in earth formations

Volker Krueger; Johannes Witte; Rainer Dr Ing Juergens

Archive | 2011

TILTED BIT ROTARY STEERABLE DRILLING SYSTEM

Andreas Peter; Johannes Witte; Michael Koppe; Joachim Treviranus

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