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Paul D. Ringgenberg

Halliburton

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Archive | 2001

Hydraulic control system for downhole tools

Roger L. Schultz; Paul D. Ringgenberg; Jimmie Robert Williamson

Archive | 2004

Methods of downhole testing subterranean formations and associated apparatus therefor

Paul D. Ringgenberg; Mark A. Proett; Michael T. Pelletier; Michael L. Hinz; Gregory N. Gilbert; Harold Wayne Nivens; Mehdi Azari

Archive | 2003

Apparatus and method for perforating a subterranean formation

Clark E. Robison; Robert C. Pahmiyer; Paul D. Ringgenberg

Archive | 1997

Early evaluation system with pump and method of servicing a well

Paul D. Ringgenberg; Neal G. Skinner; Curtis Wendler; Roger L. Schultz; Robert W. Srubar; Margaret C. Waid

Archive | 2001

Vibration based downhole power generator

Roger L. Schultz; Paul D. Ringgenberg; Clark E. Robison; Robert K. Michael; Russell Irving Bayh

Archive | 1997

Electromagnetic signal repeater and method for use of same

Harrison C. Smith; Paul D. Ringgenberg

Archive | 1997

Subsea repeater and method for use of the same

Harrison C. Smith; Paul D. Ringgenberg

Archive | 1994

Early evaluation system

Roger H. Schultz; H. Kent Beck; Paul D. Ringgenberg

Archive | 1987

Multi-mode testing tool and method of use

Paul D. Ringgenberg

Archive | 1995

Mechanical lockout for pressure responsive downhole tool

Kevin P. Manke; Paul D. Ringgenberg

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