Shell and Chevron advance Gulf of Mexico and Mediterranean output

· Energy · United States

Shell has tied new wells into an existing floating production facility in the US Gulf of Mexico, lifting deepwater output in what the company frames as the project's third chapter. In the Mediterranean, Chevron's drilling has uncovered another gas-bearing interval, extending reservoirs first discovered in 2022. Both moves add supply from mature or emerging offshore areas at a time when operators are prioritising incremental barrels tied to existing infrastructure. The items give no production volumes, but the pattern — brownfield tiebacks in the Gulf and appraisal success in the East Mediterranean — underscores how major oil companies keep adding output without committing to large new greenfield developments.

Why it matters：Tiebacks and appraisal successes let majors grow offshore output with lower capital commitment, shaping global supply expectations and the pace of new project sanctions.

Key points

  • Shell tied new wells into an existing floating facility in the US Gulf of Mexico.
  • Chevron found a further gas-bearing interval in the Mediterranean, extending 2022 discoveries.
  • Neither item disclosed production volumes or investment figures.

Sources (original reporting)

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