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