FuelFix: Federal officials have contacted Halliburton Co. and Baker Hughes Inc. as part of an antitrust investigation into an oil and gas drilling process used in hydraulic fracturing, or fracking.
Halliburton spokeswoman Beverly Blohm Stafford said Thursday that the company received what`s called a civil investigative demand from the Justice Department`s antitrust division during the April-to-June quarter regarding pressure pumping services and is responding to the request.
"We understand there have...