5:55 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, April 2 work-
Sinkhole Activity Code 1 ā€“ indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates low levels of subsurface activity near sinkhole/Oxy 3.

Air Monitoring/Sub-slab Sampling and Ventilation
– Conducting ventilation system inspections

– Continuing pumping on ORWs 4 (northwest of containment berm) and 14 (Oxy 9 well pad), 48 (north of containment berm) and OGRW 1 (Oxy Geismar 2 well pad)
– Continuing pump test on ORW 39 (north of containment berm)
– Beginning pump test on ORW 15 (north of La 70, east of Gumbo Street)
– Removing water from top of well and re-connecting to flare on ORWs 52 and 53 (west of Bayou Corne, south of La 70)
– Working over ORWS 54 and 56 (west of Bayou Corne, south of La 70)
– Installing new pump in ORW 54
– Reducing pressure in Oxy 3A (working from Oxy 9 well pad)

Containment/ Roads/ Sinkhole/Survey
– Hauling clay for south containment berm re-route to bring up to grade