10:50 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Friday, Oct. 4 work-

Sinkhole Activity Code 2 – elevated – increase in number of Very Long Profile seismic activity, generally associated with movement of gas/fluid below sinkhole, in area of sinkhole/Oxy 3 cavern – requires halting all work directly on sinkhole


Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections

– Troubleshooting overheating fans



– 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)

– Reworking ORWs 29 and 31  (northwest of containment berm)

– Installing MIHPTs 31 (northwest of containment berm) and 63 (north of La 70, west of Texas Brine facility)

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

– Checking survey plates at DPVE 47 site


Containment Berm/Roads/Sinkhole

– Grading southern containment berm

– Adding rip-rap behind ORW 9 water tank (west of containment berm)