7:30 p.m. DNR Field Update

Office of Conservation
Bayou Corne Field Update
Feb. 5, 2013 Activities

Texas Brine Operations

Oxy 3-A Cavern Well –
Shut in, monitoring pressure – Casing Pressure: 646 psi

Texas Brine Facility Vent Well to Top of Aquifer (RW 1 on Oxy 2 well pad) –
Flaring gas at 18.41 mcf/day – 2,698 mcf removed to date.

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/

ORW 13 Vent Well (Near Oxy 9 well pad)–
Shut in, awaiting work

ORW 14 Vent Well (Near Oxy 10 well pad)–
Shut in, awaiting work

ORW 15 Vent Well (North of Hwy 70)–
Awaiting completion operations

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

TBC 1 (Original Oxy 3 well pad)
Tubing Pressure: 46 psig
Casing Pressure: 21 psig

TBC 2 (Original Oxy 3 well pad)
Tubing Pressure: 57 psig
Casing Pressure: 13 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 2.65 mcf/day – 897 mcf removed to date

ORW 2 Vent Well (North of Hwy 70)
Flaring gas at 6.97 mcf/day – 1,558 mcf removed to date

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) –
Shut in, awaiting work – 188 mcf removed to date

Bayou Corne Community

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

BC 1
Texas Brine reports awaiting landowner access to reach proposed site along Florida Gas Pipeline right of way

BC 2
Tubing Pressure: 56 psi
Casing Pressure: 10 psi

Other Actions in Near-Term on Office of Conservation Directives

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

Work ongoing to extend Rig Road west of sinkhole to southern end of containment – initial southern berm 75 percent complete, initial northern berm 30 percent complete

Drilling of deep geophone well on Rig Road (G 03, south of Hwy. 70) has reached 420 feet, rig scheduled to begin moving in Jan. 30

Drilling expected to begin on vent wells ORW 11 (south of Hwy. 70 on Rig Road) and ORW 22 (north of Hwy. 70 near community) this week

Well pad construction begun on vent wells ORW 5, ORW 7 and ORW 8 (all located along Rig Road south of Hwy. 70)

33 indoor air monitors (LEL and H2S monitors) installed in Bayou Corne community structures to date; 11 more to be scheduled through end of week

Field surveying and land access for 3-D seismic ongoing, estimated to continue through next week