FIELDS · TEXAS · FIELD 77337500
Robertson-Griffin (Gray Sand)
Field · District 7B · Taylor County and 1 more
Robertson-Griffin (Gray Sand) is an RRC field with 7 leases on file reported by 12 operators, mostly in Taylor County.
In the 12 months reported through August 2026 it produced 10,805 barrels of oil, up 26% on the year before, from 2 leases reporting volume.
S.B. Street Operating, Inc. holds the most, 1 lease and 136,907 barrels of oil lifetime.
Lifetime, the field has reported 247,010 barrels of oil and 788,099 mcf of gas.
- 7
- leases on file
- 2
- leases reporting volume
- 12
- operators, all time
- 9
- active wellbores of 33 · 2 operators today
- 10,805
- bbl oil, 12 months through Aug 2026 · +26%
- 11,935
- Mcf gas, same 12 months · +5%
- 247,010
- bbl oil, lifetime · 788,099 Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Aug 2026 10,805 · prior 12 8,569(+26%)
Robertson-Griffin (Gray Sand): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 5
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| S.B. Street Operating, Inc. | 1 | 137K | 715K | Aug 2026 |
| Quail Well Service, Inc. | 1 | 39.1K | 0 | Aug 2026 |
| Leclair Operating Co., Inc. | 1 | 38.4K | 39.2K | Jan 2003 |
| Windham Resources | 3 | 27.6K | 33.6K | Jun 2005 |
| Rhodes Drilling Company, Inc. | 1 | 4.93K | 82 | Dec 1999 |
Counties
- Taylor County → 6 leases
- Coleman County → 1 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Gray Line Gray Sand #9 | Quail Well Service Inc. | Taylor | Jul 28, 2026 | — | — | — |
| Gray Line Gray Sand #10 | Quail Well Service Inc. | Taylor | Dec 10, 2025 | — | — | — |
| Gray Line Gray Sand #8 | Quail Well Service Inc. | Taylor | Jul 11, 2025 | — | — | — |
| Gray Line Gray Sand #7 | Quail Well Service Inc. | Taylor | Apr 11, 2024 | — | — | — |
| Gray Line Gray Sand #1W | Quail Well Service Inc. | Taylor | Jun 1, 2022 | — | — | — |
| Gray Line Gray Sand #5 | Quail Well Service Inc. | Taylor | May 30, 2022 | — | — | — |
| Gray Line Gray Sand #4 | Quail Well Service Inc. | Taylor | Oct 25, 2021 | — | — | — |
| Gray Line Gray Sand #3 | Quail Well Service Inc. | Taylor | Jun 6, 2014 | — | — | — |
| Gray Line Gray Sand #1 | Quail Well Service Inc. | Taylor | Dec 27, 2013 | — | — | — |
| Lavelle Elsie C. #18 | Leclair Operating Co. Inc. | Taylor | Feb 1, 1997 | — | — | — |
About this data
Field 77337500 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed from every lease report naming the field, cut at the statewide reported-through month, Aug 2026. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/77337500, documented in the API reference.