3:10 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, Oct. 30 work-

Sinkhole Activity Code 3 – indicating no work is allowed directly on sinkhole or on containment berms, due to seismic monitoring indicating ongoing elevated MEQ (micro-earthquake) activity near sinkhole/Oxy 3

Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections


– Monitoring pump drawdown tests of OGRW 1 (Oxy 2 well pad)

– Continuing pump test on ORWs 39 and 40 (north of containment berm)

– Preparing to flare ORW 10 (west of containment berm)

– Installing concrete pads around ORWs, flares and pressure monitoring wells

– Re-installing pressure transducers in ORW 17 and ORW 19 (west of containment berm)

Containment Berm/Roads/Sinkhole

– Surveying DPVE 47 settlement plates

– Sampling bubble sites

– Reducing pressure in Oxy 3A (working from Oxy 9 pad)

– Performing weekly subsidence survey

– Surveying settlement plates on south containment berm


– Continuing debris removal at TBC-acquired properties