3:20 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Tuesday, Oct. 8 work-

Sinkhole Activity Code 1 –lowest level, indicating little seismic activity detected near sinkhole/Oxy 3


Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections

– Continuing installation of sub-slab probes


– Monitoring pump drawdown tests of OGRW 1 (Oxy 2 well pad), ORW 9 (west of containment berm), ORWs 39 and 40 (north of containment berm)

– Flushing ORW 17 (west of containment berm) to clear perforations

– Continuing DPVE 47 test (access road west of containment berm)

Containment Berm/Roads/Sinkhole

– Adding clay to new north pad access road (northwest corner of containment berm)

– Installing MIHPTs 2 (Oxy 2 pad) and 31 (west of containment berm)

– Beginning plug-and-abandon of Water Well 3 (Oxy 3 well pad)

– Monitoring bubble sites

– Sampling aquifer water wells

– Checking water levels around sinkhole