THE LATEST ON BAYOU CORNE SINKHOLE

11:45 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Tuesday, March 11 work-

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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
• Installing in-home detector at 138 Sportsman’s Drive

ORW/CPT Wells

• Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew) and surveying settlement rods at site
• Conducting de-watering test on ORWs 4 (northwest of containment berm0, 14 (Oxy 9 well pad), and 30 (north of containment berm, south of La 70)
• Doing workover on ORW 26 (northwest of containment berm, south of La 70)
• Conducting sampling of aquifer wells

Containment Berm/Roads/Sinkhole

• Re-installing light pole at entrance to Texas Brine facility
• Stockpiling clay for south containment berm

March 10, 2014
12:45 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Monday, March 10 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

ORW/CPT Wells
– Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew) and surveying settlement rods at site
– Conducting de-watering test on ORWs 4 (northwest of containment berm0, 14 (Oxy 9 well pad), and 30 (north of containment berm, south of La 70)
– Doing workover on ORW 26 (northwest of containment berm, south of La 70)
– Setting up for pump test on ORW 23 (east of Gumbo St/Sauce Piquante intersection)

Containment Berm/Roads/Sinkhole
– Conducting survey of north containment berm and original south containment berm
– Grading and compacting new south containment berm
– Stockpiling clay for south containment berm

March 10, 2014
11:05 a.m. REMINDER: Community Briefing, Tomorrow

A community briefing offering updates from governmental agencies will be held:

When: Tuesday, March 11, 2014 @ 6:00 p.m.

Where: Assumption Parish Community Center, 4910 Hwy 308, Napoleonville

March 7, 2014
11:55 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Friday, March 7 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

ORW/CPT Wells

• Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew)
• Surveying ORW 21 settlement rods
• Beginning de-watering test on ORW 14 (Oxy 9 well pad)
• Preparing for pump test on ORW 30 (northwest of containment berm)
• Working over ORW 26 (northwest of containment berm)
• Conducting maintenance on Bubble Site 56 vent well (west side of Bayou Corne, north of La 70)

Containment Berm/Roads/Sinkhole

• Grading ORW access road west of Bayou Corne, south of La 70
• Surveying original south containment berm

March 6, 2014
3:10 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Thursday, March 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

ORW/CPT Wells

• Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew)
• Conducting preliminary pump test on ORW 4 (northwest of containment berm)
• Working over ORW 14 (Oxy 9 well pad) ORW 16 (west of containment berm)
• Conducting pressure monitoring on shallow geoprobe wells

Containment Berm/Roads/Sinkhole

• Conducting containment berm inspections

March 5, 2014
9:55 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, March 5 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

ORW/CPT Wells

• Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew)
• Conducting pump test on ORW 48 (north of containment berm) in preparation for de-watering
• Conducting workover on ORWs 4 (northwest of containment berm) and 14 (Oxy 10 well pad)
• Surveying settlement rods on ORW 21

Containment Berm/Roads/Sinkhole

• Surveying original south containment berm
• Sampling sinkhole water in-flow
• Monitoring and sampling industrial water wells