Office of Conservation

Bayou Corne Field Update

Jan. 22, 2013 Activities


Texas Brine Operations


Oxy 3-A Cavern Well –

·        Shut in, monitoring pressure


Texas Brine Facility Vent Well to Top of Aquifer (RW 1 on Oxy 2 well pad) –

·        Flaring gas at 20.3 mcf in AM -- Shut in during ongoing seismic work in PM


Texas Brine Facility Vent Well to Top of Cap Rock (RW 2 on Oxy 2 well pad) –

·        Shut in pending plug and abandon


Texas Brine Facility Geophone Well (Between Oxy 2 & original Oxy 3 well pads) –

·        Ongoing monitoring for seismic activity, data available at



Texas Brine Facility Shallow Pressure Monitoring (TBC 1-3)


TBC 1 (Original Oxy 3 well pad)

·        Tubing Pressure: 39 psig

·        Casing Pressure: 17 psig


TBC 2 (Original Oxy 3 well pad)

·        Tubing Pressure: 56 psig

·        Casing Pressure: 12 psig


TBC 3 (Oxy 1 well pad)

·        Tubing Pressure: 0 psig

·        Casing Pressure: 0 psig


Sinkhole Site –

·        Monitoring status of sinkhole area



Conservation/Shaw Operations


ORW 1 Vent Well (North of Hwy 70)–

·        Flaring gas at 4.57 mcf/day


 ORW 2 Vent Well (North of Hwy 70)

·        Flaring gas at 7.64 mcf/day


ORW 3 Vent Well (West of Bayou Corne) –

·        Remains in monitoring status, set up to vent/flare natural gas if concentrations are observed around wellbore


ORW 4 Vent Well (South of Hwy 70) –

·        Flaring gas at 2 mcf/day


Bayou Corne Community


Bayou Corne Community Aquifer Monitoring Wells (BC 1-2)       


BC 1

·        Texas Brine reports awaiting landowner access to reach proposed site


BC 2

·        Tubing Pressure : 53 psig

·        Casing Pressure: 13 psig


Other Actions in Near-Term on Office of Conservation Directives


In status updates to Office of Conservation, Texas Brine reports:


·        Work ongoing to improve rig road west of sinkhole to allow for installation of vent well (ORW 5) and geophone well (G 03) and provide sinkhole containment


·        Began geotechnical borings on Texas Brine facility in preparation for installation of permanent sinkhole containment system


·        10 indoor air monitors (LEL and H2S monitors) installed in Bayou Corne community structures to date; 10 more currently scheduled


·        Field surveying for 3-D seismic continuing


·        Vibroseismic truck-mounted vibration generator continued work in conjunction with surface seismic stations, Texas Brine facility geophone well and USGS monitoring stations