Baker Hughes Inc.
www.bakerhughes.com
Chevron
Energy Institute
www.energyinst.org.uk
Global Power Equipment Group Inc., et al
Halliburton Energy Services
Industrial Rubber, Inc.
www.iri-oiltool.com
Oil & Gas Asset Clearinghouse LP
www.ogclearinghouse.com
PennEnergy
www.PENNENERGY.com
PennWell
Books
www.pennwellbooks.com
Multiphase Pumping & Technologies
www.multiphasepumping.com
OGJ Online Research Center
www.ogjresearch.com
PennTechJobs
www.PennTechJOBS.com
PennWell
www.pennwell.com
Reprints
[email protected]
Warlick International
www.warlick.net
Society of Petroleum Engineers
www.spe.org
The Oxford Princeton Programme
www.oxfordprinceton.com
Weatherford
www.weatherford.com
World Energy Congress
www.pennwellpetroleumgroup.com