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 http://folkworm.ceri.memphis.edu/heli_temp/
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