U.S. energy firms this week added oil and natural gas rigs for a fourth week in a row to the highest level since June, energy ...

Halliburton Company HAL, a global leader in oilfield technology, has made a breakthrough in well safety and efficiency services by introducing the EcoStar® electric tubing-retrievable safety valve ...

Top U.S. refiners are poised to seek alternative sources for heavy, sour crudes, including running more domestic grades, as ...