U.S. oil major Chevron plans to increase the use of a technique that allows it to fracture subterranean rock in three wells ...

There had been uncertainty over the future of the joint venture after Ecopetrol (EC) backed out of a separate deal last August to acquire $3.6B of other Permian Basin assets from Occidental (NYSE ...

Ecopetrol will seek to be in the United States with Isa, just as it has already done in Texas with the Permian.

Ecopetrol had announced on Monday it would renew its operations with Oxy in the Permian basin, an oil producing region that spans Texas and New Mexico, to develop 91 oil wells, investing over $880 ...