Equinor employee died following the helicopter accident, the cause of which has not been reported.
Poole will assist W&T to build upon their safety and environmental record, according to the company.
Exxon Mobil, KCA Deutag to conduct audit following near-miss projectile and dropped object in May.
Decommissioning activities are expected to reach nearly $100 billion through 2030, but planning early can minimize the outlay.