HRT proves Solimoes gas trend south of Jurua

A unit of HRT Participacoes em Petroleo SA, Rio de Janeiro, said an exploratory well in Brazil’s Solimoes basin has confirmed the existence of a new structural trend on the company’s blocks south and southwest of the well.

Drillstem tests of the Jurua formation lower member at the 1-HRT-192/02-AM well on the Tucuma prospect on the SOL-T-192 block 30 km south of Jurua gas field established the presence of gas. HRT tested the prospect to identify hydrocarbons in a faulted anticlinal structure in a regional southwest-northeast oriented structural lineament subparallel to the Jurua and Tefe gas trend.

The well stabilized at 18.4 MMcfd of gas on a 40/64-in. choke on a drillstem test at 2,254-2,260.3 m. It reached a maximum rate of 5 MMcfd on the same size choke on a second drillstem test at 2,208-2,217 m.

When combined with tests at the 1-HRT-5-AM and 1-HRT-9-AM, the results confirm the gas trend to the south and the potential for gas on SOL-T-191 and the SOL-T-192 block to its west. The results also open an exploratory play fairway for the SOL-T-214, SOL-T-215, and SOL-T-216 blocks, south of SOL-T-191. HRT has identified several exploratory prospects on those three blocks.

“The presence of a richer liquid bearing gas-condensate identified in the DSTs in a relatively underexplored area of the basin, reinforces the geological model interpreted for the area, and consolidates the potential for gas in the region and supports the gas monetization project,” HRT said.

HRT is the operator of 21 blocks in the Solimoes basin, which it is exploring in co-operation with TNK-Brasil. Each block covers nearly 4 sq km.

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