3:15 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesay, April 23 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) and 54 (west of Bayou Corne, south of La 70)

- Redeveloping ORW 14 with nitrogen

- Removing pump from ORW 26 (north of containment berm)

- Installing pressure transducer in ORW 9 (west of containment berm)

Containment/ Roads/ Sinkhole/Survey

- Conducting sinkhole water profile

- Compacting limestone on south containment berm re-route

- Placing riprap on slope areas of south containment berm re-route

- Surveying south containment berm re-route for final elevation

- Installing pressure gauges on DPVE for Bubble Site 53 (south of Oxy 10 well pad)

- Venting DPVE for Bubble Site 26 (near Oxy 2 well pad)

2:40 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity
Monday, April 21 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) and 54 (west of Bayou Corne, south of La 70)

1:00 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Thursday, April 17 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) and 54 (west of Bayou Corne, south of La 70)

- Working on pumps for ORWs 14 (Oxy 9 well pad), 15 (north of La 70, east of Gumbo Street) and 48 (north of containment berm)

- Conducting drawdown test on ORW 14 (Oxy 9 well pad)

Containment/ Roads/ Sinkhole/Survey

- Performing sinkhole cleanup

- Placing geotextile fabric and limestone on south containment berm re-route

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

Bayou Corne/Grand Bayou Response Activity

Wednesday, April 16 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) and 54 (west of Bayou Corne, south of La 70)

- Working on pumps for ORWs 15 (north of La 70, east of Gumbo Street) and 48 (north of containment berm)

- Conducting drawdown test on ORW 14 (Oxy 9 well pad)

Containment/ Roads/ Sinkhole/Survey

- Stockpiling limestone for containment berm

- Placing geotextile fabric and limestone on south containment berm re-route

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

Bayou Corne/Grand Bayou Response Activity

Monday, April 14 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), 48 (north of containment berm) and 54 (west of Bayou Corne, south of La 70)

- Troubleshooting pumps on ORWs 14 (Oxy 9 well pad) and 15 (north of La 70, east of Gumbo Street)

- Removing water from ORW 57 (southeast of Oxy 10 well pad) flare line and preparing to install pump

Containment/ Roads/ Sinkhole/Survey

- Collecting samples from aquifer monitoring wells around sinkhole

1:40 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Friday, April 11 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

- Performing gas composition analysis of ventilation systems

ORW/CPT Wells

- Continuing pumping on ORWs 4 (northwest of containment berm) and 14 (Oxy 9 well pad), 48 (north of containment berm) and OGRW 1 (Oxy Geismar 2 well pad)

- Continuing pump test on ORW 39 (north of containment berm)

- Re-strarting pump test on ORW 15 (north of La 70, east of Gumbo Street)

- Removing water from ORW 57 (southeast of Oxy 10 well pad) flare line and preparing to install pump

Containment/ Roads/ Sinkhole/Survey

- Conducting depth log on Oxy 3A (working from Oxy 9 well pad)

- Conducting compaction test on south containment berm re-route, hauling and preparing for placement of geotextile fabric

- Continuing cleanup of sinkhole debris

9:55 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Thursday, April 10 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

- Performing gas composition analysis of ventilation systems 

ORW/CPT Wells

- Continuing pumping on ORWs 4 (northwest of containment berm) and 14 (Oxy 9 well pad), 48 (north of containment berm) and OGRW 1 (Oxy Geismar 2 well pad)

- Continuing pump test on ORW 39 (north of containment berm)

- Cleaning tubing screen on ORW 15 (north of La 70, east of Gumbo Street)

Containment/ Roads/ Sinkhole/Survey

- Conducting compaction test on south containment berm re-route, hauling and placing clay on berm low spots

- Continuing cleanup of sinkhole debris

- Placing geotextile fabric and limestone on connecting berm between Oxy 9 and Oxy 10 well pads

11:50 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, April 8 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) and 14 (Oxy 9 well pad), 48 (north of containment berm) and OGRW 1 (Oxy Geismar 2 well pad)

- Continuing pump test on ORW 39 (north of containment berm)

- Replacing pump on ORW 15 (north of La 70, east of Gumbo Street)

Containment/ Roads/ Sinkhole/Survey

- Conducting cleanup of sinkhole debris

- Sampling water from sinkhole inflow and industrial wells

- Downloading aquifer monitoring well pressure data