3:35 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Tuesday, Sep. 24 work-

Sinkhole Activity Code 1 – lowest level – no detection of significant elevation of seismic activity in area of sinkhole/Oxy 3 cavern

Sub-slab Sampling and Ventilation

– Installing air monitors (H2S and LEL) at 135 Sportsmans Drive

– Dewatering ports at all installed ventilation systems

ORW/CPT Wells

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

– Reworking ORWs 30 and 31 (off northwest corner of containment berm)

– Beginning drawdown tests on ORWs 39 and 40 (north of containment berm) for drawdown test

– Installing CPT 92 (Edmonds Rd)

– Installing MIHPTs 14 and 29 (Texas Brine facility)

– Connecting DPVE 47 to tank (access road west of containment berm)

– Grouting DPVE 37 and related pressure monitoring wells (east of Sportsmans Landing, near La 70)

Containment Berm/Roads/Sinkhole

– Installing gates on containment berm entries 

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11:05 a.m. Update

Texas Brine has reported the tagging of Cavern 3 to be at 4,103’ which is 1’ below last week’s tagging. We will post information specific to their reporting as it becomes available. 

2:25 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Friday, Sep. 20 work-

Sinkhole Activity Code 1 – lowest level – no detection of significant elevation of seismic activity in area of sinkhole/Oxy 3 cavern

 

Sub-slab Sampling and Ventilation

– Ending testing for the 24-hour pressure test at 174 Crawfish Stew and removing monitors

– Installing monitors at 1438 and 1465 Sauce Piquante to begin 24-hour pressure test

– Replacing blowers at 1433 Sauce Piquante and 116 Crawfish Stew

– Conducting vacuum testing of installed ventilation systems 

 

ORW/CPT Wells

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

– Redeveloping and pumping out ORW 5 (off southwest corner of containment berm)

– Installing new wellheads, fitting and piping on ORWs 39 and 40 (north of containment berm) for drawdown test

– Installing CPT 78 (south of 70, near west bank of Grand Bayou)

– Installing MIHPT 79 (east of Oxy 2 well pad)

– Conducting depth log on Oxy 3A

– Drilling DPVE 22 well bore (east of community, north of La. 70) and installing 1” pressure monitoring geoprobes

 

Containment Berm/Roads/Sinkhole

– Continuing placement of concrete mats for overflow structure on western containment berm

– Conducting silt fence repairs and new fence installation

3:40 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Thursday, Sep. 19 work-

Sinkhole Activity Code 1 – lowest level – no detection of significant elevation of seismic activity in area of sinkhole/Oxy 3 cavern

Sub-slab Sampling and Ventilation

– Continuing 24-hr pressure test

– Continue building enclosures around ventilation systems

– Dewatering ports at all installed ventilation systems

– Coordinating with parish for inspection of reinstalled blowers

ORW/CPT Wells

– Delivering tanks for use in drawdown tests of OGRW 1 (Oxy 2 well pad) and ORW 9 (west of containment berm)

– Relocating tank to continue drawdown test of OGRW 1 (Oxy 2 well pad)

– Connecting ORW 9 (west of containment berm) piping to tank for drawdown test

– Installing CPT 79 (south of 70, near west bank of Grand Bayou)

– Installing MIHPTs 78 and 80 (east of Oxy 2 well pad)

Containment Berm/Roads/Sinkhole

– Continuing placement of concrete mats for overflow structure on western containment berm

– Continuing sinkhole profile and sampling

8:10 a.m. 9/18 Update from the Office of Conservation

*This morning, upon logging in, I saw that this update failed to post on yesterday. I apologize for this inconvenience..*

Bayou Corne/Grand Bayou Response Activity

Wednesday, Sep. 18 work-

Sinkhole Activity Code 1 – lowest level – no detection of significant elevation of seismic activity in area of sinkhole/Oxy 3 cavern

Sub-slab Sampling and Ventilation

– Conducting 24-hr pressure test at 174 Crawfish Stew

– Evaluating power sourcing for AreaRae monitor located at Gumbo & Hwy 70

– Conducting in-stack and ambient monitoring for ventilation systems

– Rewiring vent systems at 116 Crawfish Stew

ORW/CPT Wells

– Delivering tanks for use in drawdown tests of OGRW 1 (Oxy 2 well pad) and ORW 9 (west of containment berm)

– Beginning drawdown test of OGRW 1 (Oxy 2 well pad)

– Installing CPT 49 (south of La. 70, near Sportsman’s Landing)

– Installing MIHPT 80 (east of Oxy 2 well pad)

Containment Berm/Roads/Sinkhole

– Beginning placement of concrete mats for overflow structure on western containment berm

– Picking up board mats for CPT sites west of Bayou Corne, south of La. 70

– Conducting sinkhole profile and sampling

– Performing weekly subsidence, containment berm settlement, and centerline surveys