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HomeBreaking NewsValeura Wraps Up Offshore Drilling Campaign with 6 of 8 Wells Hitting...

Valeura Wraps Up Offshore Drilling Campaign with 6 of 8 Wells Hitting Targets

Singapore-based independent Valeura Energy has completed an eight-well drilling campaign on Block B5/27 in the Gulf of Thailand, delivering strong results in six of the wells and reinforcing the company’s strategy to maintain consistent oil production from the region.

The campaign, which included a mix of development and appraisal wells, yielded particularly encouraging results from the Ban Yen A, Jasmine C, and Jasmine D platforms, with most wells exceeding pre-drill expectations for oil pay. The BYA-35ST1 well alone delivered double the estimated oil pay and was completed for production from six sand reservoirs.

“Block B5/27 is a prime example of how with ongoing drilling activity we can continue to commercialise new accumulations to maintain a stable and predictable stream of cash flow,” said Valeura President, Sean Guest. He added that data from the appraisal wells would guide future drilling plans.

Campaign Highlights:

•Ban Yen A Platform:

•BYA-35ST1: Multi-objective well; exceeded expectations with six sand reservoirs; now onstream.

•BYA-42: Targeted remaining oil in a single interval; also appraised two additional reservoirs.

•BYA-41: Appraisal well; encountered poorly developed reservoir and a deeper-than-expected oil-water contact; not completed as a producer.

•Jasmine C Platform:

•Two development wells: Both successful and brought onstream.

•C-30ST1H: Horizontal well in a mixed gas/oil zone, enabled by an autonomous inflow control device.

•Jasmine D Platform:

•D-44: Hit all primary targets and five secondary reservoirs — strong development upside.

•D-45: Encountered oil in all three primary targets and a fourth zone, the 680 sand, now slated for future drilling.

•Ratree Exploration Well: Disappointed; while it reached target sands, only trace hydrocarbons were found, likely due to poor migration into the reservoir trend.

Despite the Ratree setback and one underwhelming appraisal well, the campaign overall helped maintain production levels consistent with Q1 2025, offsetting natural field declines.

Valeura holds 100% working interest in Block B5/27 and plans to expand future exploration in the area. Its rig partner, Borr Drilling’s Mist jack-up, is contracted through Q3 2026 and is now being mobilised to the Nong Yao field for a 10-well development campaign.

 

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