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Dive into the research topics where James H. Dudley is active.

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Featured researches published by James H. Dudley.


SPE Annual Technical Conference and Exhibition | 2000

The Magnetic Resonance While-Drilling Tool: Theory and Operation

M.G. Prammer; E. Drack; G. Goodman; P. Masak; S. Menger; M. Morys; S. Zannoni; B. Suddarth; James H. Dudley

The first Magnetic Resonance While-Drilling (MRWD) tools have been built and field tested. The hardware was designed to provide data compatible with the Magnetic Resonance Imaging Log (MRIL®) wireline tool in terms of processing and interpretation. The paper discusses the theory of robust MRIL measurements in the drilling environment and reviews the theory of T 1 measurements. We report on the results of a field test in the Gulf of Mexico. The MRWD device logged the entire TD run from casing to TD and provided additional hydrocarbon-typing data in wiping mode over the target zones. Wireline MRIL data and conventional logs were used to verify the MRWD measurements.


Archive | 1999

Method and apparatus for nuclear magnetic resonance measuring while drilling

Manfred G. Prammer; James H. Dudley; Peter Masak; George David Goodman; Marian Morys; Dale A. Jones; Roger P. Bartel; ChenKang David Chen; Michael Louis Larronde; Paul F. Rodney; John E Smaardyk


Archive | 2004

Surface real-time processing of downhole data

Paul F. Rodney; Daniel D. Gleitman; James H. Dudley


Archive | 2003

Dual channel downhole telemetry

Vimal V. Shah; Wallace R. Gardner; Paul F. Rodney; James H. Dudley; M Douglas Mcgregor


Archive | 2005

Providing a local response to a local condition in an oil well

Daniel D. Gleitman; Paul F. Rodney; James H. Dudley


Archive | 2005

Methods and apparatus for measuring formation properties

James M. Fogal; Mark A. Proett; James H. Dudley; Laban M. Marsh; David Welshans; Jean Michel Beique; John Ransford Hardin; William Edward Hendricks


Archive | 2005

Rotating Systems Associated with Drill Pipe

Daniel D. Gleitman; Paul F. Rodney; James H. Dudley


Archive | 2004

Borehole marking devices and methods

James H. Dudley; Paul F. Rodney


Archive | 2009

Apparatus and method for detecting pressure signals

Ronald L. Spross; Paul F. Rodney; James H. Dudley; John L. Maida


Archive | 2009

Formation treatment using electromagnetic radiation

James H. Dudley; Khanh T. Ma; Paul F. Rodney

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