Dec 12 (Reuters) - U.S. driller Patterson-UTI Energy Inc said on Monday it would buy its smaller counterpart Seventy Seven Energy Inc in an all-stock deal worth $1.76 billion including debt. Seventy ...

Oil-field services provider Seventy Seven Energy Inc. said Tuesday that it plans to file for Chapter 11 bankruptcy protection and that it has reached a restructuring agreement with many of its lenders ...

Houston-based Patterson-UTI Energy is positioning itself as one of the nation's largest drilling and hydraulic fracturing companies at the beginning of the potential oil recovery. Patterson-UTI will ...