LEASES · O-11-60448 · OIL · DISTRICT 8A
T. L. B. Unit
ReportingExtex Operating Company · Cochran County · Levelland field
T. L. B. Unit is an RRC oil lease (O-11-60448) in Cochran County operated by Extex Operating Company, with 19 wells completed on it.
It has reported 558K barrels of oil and 360K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 5.3K barrels of oil, up 24% on the year before; the lease peaked at 3.36K barrels in December 1994.
9 operators have filed production on it, most recently Extex Operating Company since October 2025.
- 558K
- bbl oil, all reported
- 360K
- mcf gas incl. casinghead
- 5.3K
- bbl oil, last 12 reported
- +24%
- vs the 12 before
- 19
- wells completed on it
- 3.36K
- peak month, bbl (Dec 1994)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME APR 2026 · STATEWIDE DATA THROUGH APR 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
Last 12 months 5,300 · prior 12 4,286(+24%)
Gas by month
Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.
Last 12 months 0 · prior 12 0
Decline curve
A MODEL FITTED TO THE REPORTS, NOT A REPORT
An Arps exponential curve fitted to the 115 reporting months of oil since the peak in Oct 2016. The dashed line below is that curve, drawn over the months it was fitted to and then 24 months past the last report; where it parts from the columns is where the model stops describing the lease. It describes the trend of past reports. It does not know about recompletions, shut-ins, or new wells, and it is shown only when the lease reported within the last year and the curve explains most of the history.
- 12%
- first-year decline from the peak (nominal Di 12%)
- 0.0
- b factor (exponential)
- 0.76
- fit R²
- 30K
- bbl remaining on the curve, to 1 per month
Oil, barrels reported months since the peak, with the fitted curve and its projection
Last 12 months 5,300 · prior 12 4,286(+24%)
Fitted exponential curve from the Oct 2016 peak, dashed 24 months past the last report
| Projected month | Oct 2026 | Apr 2027 | Oct 2027 | Apr 2028 |
|---|---|---|---|---|
| On the curve, bbl per month | 294 | 276 | 259 | 244 |
Quoting a projected figure as if it were reported would be wrong; the reported figures are the ones in the charts and the table view. How production is reported →
Who reported it
Each run of months one operator filed the production report, oldest first.
- Meridian Oil Inc.Jan 1993 → Jul 1996 · 43 mo
- Burlington Resources Oil&gas Co.Aug 1996 → Apr 1997 · 9 mo
- Gruy Petroleum Management Co.May 1997 → Apr 2006 · 108 mo
- Cimarex Energy Co. of ColoradoMay 2006 → Nov 2006 · 7 mo
- Quantum Resources Management,llcDec 2006 → Dec 2014 · 97 mo
- Breitburn Operating L.P.Jan 2015 → Dec 2018 · 48 mo
- Extex Operating CompanyJan 2019 → Dec 2021 · 36 mo
- New Horizon Resources LLCJan 2022 → Sep 2025 · 45 mo
- Extex Operating CompanyOct 2025 → Jul 2026 · 10 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
19
wells completed on the lease
- Producing
- 6
- Plugged
- 5
- NO Type on File
- 3
- Shut IN
- 3
- Water Supply
- 1
Operates them now
About this data
Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.
Developers: this page as JSON is GET /v1/data/leases/tx/o-11-60448, documented in the API reference.