3:50 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Monday, Sep. 30 work-

Sinkhole Activity Code 2 – elevated – increase in number of Very Long Profile seismic activity, generally associated with movement of gas/fluid below sinkhole, in area of sinkhole/Oxy 3 cavern – requires halting all work directly on sinkhole


Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections.

– Scheduling vacuum tests at 116 Crawfish Stew and 135 Crawfish Stew



– Monitoring pump drawdown tests of OGRW 1 (Oxy 2 well pad), ORW 9 (west of containment berm), ORWs 39 and 40 (north of containment berm)

– Removing water from ORWs 28 and 30 (north of La. 70, west of Texas Brine facility)

– Installing CPT 90 (west of Bayou Corne, south of La. 70)

– Starting test of DPVE 47 (access road west of containment berm)

– Installing flow meters from DPVE/ORW water tanks for discharge into sinkhole


Containment Berm/Roads/Sinkhole

– Plugging water well on Oxy 3 pad

– Gauging water levels around containment berm, resetting and relocating water gauges in berm area

– Placing limestone on south containment berm