Extended Well Tests | SLB

Extended Well Tests

Understand reservoir potential to reduce your risks

Extended Well Tests

Resolve reservoir uncertainty with confidence

Extended well tests (EWTs) are used to evaluate the productivity and characteristics of a reservoir. In particular, EWTs are used to

  • estimate reservoir volume and confirm reserves for field development
  • confirm long-term reservoir deliverability
  • pilot future facility designs during field development
  • estimate interwell transmissibility and wellbore storage
  • verify static data dynamically
  • obtain additional production-related data, such as water cut, sand production, and well deliverability.

You can also use an EWT to test sand control techniques and process- and production-related technologies. By testing early on, you’ll minimize risks related to developing a field for long-term, sustained production.

Extended well test, Gulf of Mexico

Reliable solutions to meet your EWT objectives

Our reservoir, completions, production, and facilities engineers team to design fit-for-purpose, regulatory-compliant EWTs that acquire representative surface and downhole data as the basis for your completion and facilities solutions. 

Various commercial models are available to suit your needs:

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