3:55 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Tuesday, October 21 work-

Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates no elevated levels of subsurface activity near sinkhole/Oxy 3/Oxy 2.  

ORW/CPT Wells

– Continuing pumping on ORWs 48 (north of containment berm), 54 (north of La 70, near west of Texas Brine facility entrance) and 57 (southeast of Oxy 9 well pad)

– Conducting bottom-hole pressure and depth-to-water measurements on ORWs to verify transducer readings

– Conducting pressure readings and monitoring of passive vent wells and bubble site caps

Containment/ Roads/ Sinkhole/Survey

– Conducting daily berm inspections

– Extending well pads for installation of aquifer monitoring wells MRAA 06D (east of Oxy 2 well pad) and 09D (southeast of Oxy 9 well pad)

– Conducting sampling of industrial water wells and sinkhole inflow