1:40 p.m. DNR Field Update

Office of Conservation
Bayou Corne Field Update
Jan. 15, 2013 Activities

Texas Brine Operations

Oxy 3-A Cavern Well –
Shut in, Vertical Seismic Profile underway

Texas Brine Facility Vent Well to Top of Aquifer (RW 1 on Oxy 2 well pad) –
Flaring gas at 27 mcf/day

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)
Monitoring pressure

TBC 2 (Original Oxy 3 well pad)
Monitoring pressure

TBC 3 (Oxy 1 well pad)
Monitoring pressure

Sinkhole Site –
Monitoring status of sinkhole area

Conservation/Shaw Operations

ORW 1 Vent Well (North of Hwy 70)–
Flaring gas at 10.73 mcf/day

ORW 2 Vent Well (North of Hwy 70)
Flaring gas at 10.73 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 3.9 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
Installed and completed, ongoing regular monitoring of pressure

Other Actions in Near-Term on Office of Conservation Directives

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

Field surveying for 3-D seismic to begin this week

Completed installation of ORW-12 vent well (on Texas Brine facility near TBC 1 and 2), perforating and preparing to begin flaring

Began installation of monitoring well cluster for top and bottom of aquifer at location MRAA 03 (Original Oxy 3 well pad)

Vibroseismic truck-mounted vibration generator scheduled to arrive on Jan. 17 and begin work on Jan. 18 in conjunction with surface seismic stations, Texas Brine facility geophone well and USGS monitoring stations

Order placed for indoor air monitoring equipment (LEL and H2S monitors and network components) for Bayou Corne community structures; based on signed owner agreements, initial monitors to be installed on Jan. 16