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