Randolph J. Sheffield

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Archive | 2005

System and Method to Seal Using a Swellable Material

Dinesh R. Patel; Y. Gil Hilsman; Herve Ohmer; Stephane Hiron; Philippe Gambier; Jonathan Whitehead; Randolph J. Sheffield; Rodney J Wetzel; John R. Whitsitt; Thomas D. MacDougall; Nitin Y. Vaidya; James D. Hendrickson; John Edwards; Donald W. Ross; Rashmi Bhavsar

Archive | 2005

Wireless communications associated with a wellbore

Erwann Lemenager; Herve Ohmer; Klaus B. Huber; Randolph J. Sheffield

Archive | 2000

Downhole machining of well completion equipment

Hubertus V. Thomeer; James M. Costley; Randolph J. Sheffield; David M. Eslinger; Marc Allcorn; Mark C. Oettli

Archive | 2001

Extended life electronic tags

Michael H. Kenison; Anthony F. Veneruso; Randolph J. Sheffield; Matthew D. Rouse

Archive | 2006

Zonal isolation tools and methods of use

John R. Whitsitt; Carlos Araque; David M. Eslinger; Philippe Gambier; Dinesh R. Patel; Chad Hardwick; Jason K. Jonas; Robert Divis; Randolph J. Sheffield; Bryan L. White; Chad Lucas

Archive | 2005