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PETROLEUM TECHNOLOGY COMPANY
- Improving well performance and integrity
Case studies

Solutions

Location

Key info

  • Region: Middle East
  • Customer: PDO
  • Well Type: Land

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Case benefits

  • Dual independent barriers at wellhead
  • Remote real-time monitoring of annulus pressure and temperature

Key Capabilities

  • Dual barriers and monitoring of pressure and temperature

Typical Applications

  • Wells with sustained annulus pressure

Questions?

Sales & Customer Service

VR Sense & MSAS for PDO

VR Sense
MSAS

Challenge

B-annulus pressure of in excess of 400 bar (5800 psi) was observed at the well head and because of concerns that an internal blowout could occur, it was necessary to abandon the Z -17 well. As only a single barrier was in place between the pressurized B annulus and the environment, the well integrity situation, which required constant monitoring, and regular bleed off posed considerable challenges to operations and risk to personnel. There was also the risk that a surface blowout could occur, if B annulus pressure managed to communicate

with the C annulus, and as such the C-annulus required continuous monitoring.

 

Result

Petroleum Technology Company successfully reinstated dual barriers against the accidental release of annulus pressure, while facilitating the remote bleed off of annulus pressure from Petroleum Development Oman’s Z-17 well.

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