11:10 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Monday, July 28 work-

Sinkhole Activity Code 1 – 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 

ORW/CPT Wells

– 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)

– Managing water produced from passive vent wells in bayou

– Re-setting screen for passive vent well at bubble site 5 (near Bayou Corne/Grand Bayou intersection)

– Monitoring flow rate and water production from passive vent wells

Containment/ Roads/ Sinkhole/Survey

– Conducting daily berm inspections

– Replacing data cards on seismic monitoring equipment

– Installing passive vent well near bubble site 47 (north west of containment berm)