11:20 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Tuesday, July 22 work-

Sinkhole Activity Code 2 – indicating work is not allowed on sinkhole and within containment berms. Seismic monitoring indicates increase in 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), 14 (Oxy 9 well pad), 15 (north of La 70, east of Gumbo Street), 48 (north of containment berm), 54 (west of Bayou Corne, south of La 70), 57 (southeast of Oxy 9 well pad)


Containment/ Roads/ Sinkhole/Survey

– Conducting daily berm inspections

– Conducting water sampling at sinkhole inflows

– Measuring and recording aquifer monitoring well levels

– Installing permanent wellheads for passive vent wells near bubble site 26 (pond next to Oxy 2 well pad)

– Beginning installation of passive vent well at bubble site 9 (canal southwest of Bayou Corne)

– Continuing sinkhole survey