Hydrate Mitigation Optimization Efforts
Date & Time
Thursday, October 7, 2021, 8:00 AM - 8:30 AM
Olivia Tati

Chevron's Gulf of Mexico flow assurance has assessed the risk tolerance on hydrate mitigation throughout the 2020 and 2021 in both operations in-field and export pipelines and major capital project decision making. The philosophy has changed to increasing the tolerance of hydrate formation and focused on reducing hydrate plugging in subsea environments. A detailed work scope was planned for each quarter to ensure any alignment opportunities were addressed between assets and new projects. The flow assurance team addressed salinity, gas-oil-ratio (GOR), stabilized fluids, and duration in hydrate formation region to dictate the need for hydrate mitigation. Opportunities addressed include stabilized fluid testing, reducing LDHI injection via qualification and methanol, injecting methanol outside of no touch time requirements, optimizing hot oil circulation during start-up, sharing lessons with capital projects and ensuring proper operational training is put in place. This change in philosophy has reduced chemical cost, improved water quality, extended topside equipment capability, reduced LPO and reduced CAPEX cost for Deepwater facilities.

Location Name
Hall A