FIELDS · 8735500 · DISTRICT 08
Blalock Lake, E. (Wolfcamp)
Glasscock 10
Blalock Lake, E. (Wolfcamp) is an RRC field with 13 leases on file reported by 19 operators, in Glasscock County.
In the 12 months reported through April 2026 it produced 700 barrels of oil, down 91% on the year before, from 5 leases reporting volume.
Fed Oper LLC holds the most, 4 leases and 731,081 barrels lifetime.
Lifetime, the field has reported 1.7 million barrels of oil and 4.8 million mcf of gas.
- 13
- leases on file
- 19
- operators, all time
- 700
- bbl oil, last 12 reported -91%
- 817
- mcf gas, last 12 reported -82%
- 5
- leases reporting volume
- 1.74M
- bbl oil, lifetime · 4.77M mcf
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026 · LAST VOLUME SEP 2020
Oil by month
TEN YEARS · EVERY LEASE IN THE FIELD
Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 700 · prior 12 7,772(-91%)
Gas by month
TEN YEARS · EVERY LEASE IN THE FIELD
Gas-well gas plus casinghead, mcf, across the field's leases. The latest months are revised upward as late reports arrive.
Last 12 months 817 · prior 12 4,590(-82%)
Leases reporting volume
How many of the field's leases reported any oil or gas each month: the field's active footprint.
Latest month 0 · a year earlier 5(-100%)
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 6
| Operator | Leases | Oil, bbl | Gas, mcf | Last reported |
|---|---|---|---|---|
| Fed Oper LLC | 4 | 731K | 2.26M | Mar 2020 |
| Endeavor Engy Res L.P | 3 | 674K | 1.75M | Mar 2020 |
| Parsley Engy Operations, LLC | 3 | 271K | 717K | Sep 2020 |
| Costilla Petro Corp | 1 | 39.6K | 20K | Aug 2004 |
| Rio Oil and Gas (Permian) Ii,llc | 1 | 24K | 16.3K | Sep 2017 |
| EL Paso Prod Oil & Gas Co | 1 | 139 | 26 | Jun 2003 |
Counties
- Glasscock County → 10 leases
About this data
Field 8735500 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.
New to these records? how production is reported
Developers: this page as JSON is GET /v1/data/fields/tx/8735500, documented in the API reference.