10:30 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Thursday, Feb. 6 work-

Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates continued low levels of subsurface activity near sinkhole/Oxy 3.

Air Monitoring/Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections

– Conducting air monitoring around ORW 58 (south of La 70, west of Texas Brine facility) during drilling and completion

ORW/PVW Wells

– Running pump test on ORW 38 (north of Sauce Piquante)

– Surveying settlement rods for ORW 38 (north of Sauce Piquante)

– Reinstalling riser on PVW 03 (Sportsman’s Landing)

– Plugging ORW 7 (near original west containment berm route)

– Drilling ORW 58 (south of La 70, west of Texas Brine facility)

– Building platform at bubble site 56 passive vent well

– Building out access and connecting piping to ORW 57 site (east of Oxy 10 well pad)

– Monitoring pressure at geoprobe wells

Containment Berm/Roads/Sinkhole

– Hauling sand to continue construction of new south containment berm route

– Reworking wet areas on the new south containment berm to dry for vehicle access

– Clearing path from Oxy 9 well pad to Oxy 10 well pad for containment berm

– Adding material to low areas on access road to ORW-57 (east of Oxy 10 well pad)

– Connecting and testing equipment for inclinometer installation (south of sinkhole)