Pennsylvania environmental officials have given permission to a company to resume a gas drilling procedure that blasts chemical-laden water into the ground in a village where residents say their well ...

Though not as common as overbalanced drilling, underbalanced drilling is achieved when the pressure exerted on the well is less than or equal to that of the reservoir. Performed with a light-weight ...

HOUSTON, Sept. 14-- The Michigan Oil & Gas Association applauded proposed oil and gas leasing guidelines that include rules for directional drilling under Lake Huron and Lake Michigan. The newly ...