February 16, 2018 / 12:03 AM / 6 months ago

BHP Billiton to drill two new deepwater wells in Trion this year

MEXICO CITY (Reuters) - Drilling of a new appraisal well and a separate exploration well in BHP Billiton (BLT.L) (BHP.AX) deepwater Trion project will begin later this year, part of a plan approved by Mexican regulators on Thursday that also revised downward the project’s estimated oil and gas resources.

FILE PHOTO: Mexico's President Enrique Pena Nieto gestures to Andrew Mackenzie, CEO of BHP Billiton during the first-deep water contract ceremony between Pemex and BHP Billiton, in Mexico City, Mexico March 3, 2017. REUTERS/Carlos Jasso/File Photo

Australian mining and oil giant BHP Billiton won the rights to operate Trion in late 2016, taking a 60 percent stake in the project valued at some $11 billion, while Mexico’s state-owned oil company Pemex [PEMX.UL] holds the remaining 40 percent.

The project marked the first-ever deepwater joint venture partnership for Mexico’s newly opened oil sector following a constitutional energy overhaul in 2013.

Drilling for the new exploration well is scheduled to begin in October, part of BHP Billiton’s obligations under the 35-year licence contract it signed with the Mexican government.

The four-year exploration plan sets out three potential well locations, all west of the two original Trion wells previously drilled by Pemex in 2012 and 2014 and at different depths.

The plan also calls for the operator to drill a separate appraisal well in the part of Trion discovered by Pemex, which a company official speaking on background said will begin between August and October.

The Trion block, some 8,430 feet (2,570 meters) below sea level, lies just south of the U.S.-Mexico maritime border in the Gulf of Mexico’s Perdido Fold Belt.

The exploration plan also calls for a range of geological studies as well as the acquisition and processing of new three-dimensional seismic data.

Pemex had previously estimated that the area contains reserves of 485 million barrels of oil equivalent (boe), but BHP’s exploration plans reclassified the estimated resource.

The company’s new estimate puts Trion’s “contingent resources” at 475 million boe.

Gaspar Franco, one of the commissioners of the National Hydrocarbons Commission (CNH) that supervises the contracts, said during a session of the governing body of Mexico’s oil regulator on Thursday that such reassessments are welcome.

“(Trion’s) new operator has come along and said, ‘Excuse me, but for me these still aren’t reserves. Let me do the necessary studies,’” said Franco.

“This operator is coming with its investment and its taking the risk,” he added.

Pemex will not have to contribute funding for the project for at least the first three years.

The CNH’s governing body voted unanimously to approve the exploration plan.

Reporting by David Alire Garcia; Editing by Diane Craft and Grant McCool

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