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Dive into the research topics where Gregory L. Hern is active.

Publication


Featured researches published by Gregory L. Hern.


Archive | 2001

Screened boot basket/filter

Gerald D. Lynde; Gregory L. Hern


Archive | 2010

Wellbore Cleaning Devices

Gregory L. Hern; Lisa L. Posevina; Paul L. Connell


Archive | 2013

Disintegrable tubular anchoring system and method of using the same

Zhiyue Xu; YingQing Xu; Gregory L. Hern; Bennett M. Richard


Archive | 2012

Tool with Multisize Segmented Ring Seat

Daniel R. Hart; Gregory L. Hern; Christopher W. Guidry; Robert S. O'Brien


Archive | 2010

Tool with Multi-Size Ball Seat Having Segmented Arcuate Ball Support Member

Jeremy J. Guillory; Daniel R. Hart; Gregory L. Hern


Archive | 2012

Disintegrable and conformable metallic seal, and method of making the same

Zhiyue Xu; YingQing Xu; Gregory L. Hern; Bennett M. Richard


Archive | 2007

Single cycle dart operated circulation sub

Lisa L. Posevina; Gregory L. Hern


Archive | 2012

DISINTEGRABLE METAL CONE, PROCESS OF MAKING, AND USE OF THE SAME

Zhiyue Xu; YingQing Xu; Gregory L. Hern; Bennett M. Richard


Archive | 2011

Downhole Multiple Cycle Tool

James Alan Crider; Gregory L. Hern; Charles W. Pleasants


Archive | 2006

Wellbore cleanup tool

Gregory L. Hern

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