FIELDS · TEXAS · FIELD 57987333
Mary Opal (Gray Sand)
Field · District 7B · Coleman County
Mary Opal (Gray Sand) is an RRC field with 4 leases on file reported by 7 operators, in Coleman County.
In the 12 months reported through April 2026 it produced 3,434 barrels of oil, down 50% on the year before, from 2 leases reporting volume.
Window Operating Co., The holds the most, 4 leases and 218,182 barrels of oil lifetime.
Lifetime, the field has reported 218,182 barrels of oil and 711,632 mcf of gas.
- 4
- leases on file
- 2
- leases reporting volume
- 7
- operators, all time
- 9
- active wellbores of 13 · 1 operators today
- 3,434
- bbl oil, 12 months through Apr 2026 · −50%
- 14,617
- Mcf gas, same 12 months · −60%
- 218,182
- bbl oil, lifetime · 711,632 Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Apr 2026 3,434 · prior 12 6,859(-50%)
Mary Opal (Gray Sand): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 1
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Window Operating Co., The | 4 | 218K | 712K | Apr 2026 |
Counties
- Coleman County → 4 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Hemphill 83 #2 | Sands Energy LLC | Coleman | Jan 28, 2025 | — | — | — |
| Hemphill 65 #11 | Sands Energy LLC | Coleman | Apr 8, 2024 | — | — | — |
| Hemphill 83 #10 | Sands Energy LLC | Coleman | Aug 1, 2019 | — | — | — |
| Hemphill 83 #8 | Sands Energy LLC | Coleman | Jan 17, 2018 | — | — | — |
| Hemphill 62 #2 | Sands Energy LLC | Coleman | May 4, 2017 | — | — | — |
| Hemphill 83 #7 | Sands Energy LLC | Coleman | Nov 4, 2016 | — | — | — |
| Hemphill 83 #6 | Sands Energy LLC | Coleman | Oct 28, 2016 | — | — | — |
| Hemphill 83 #5 | Sands Energy LLC | Coleman | May 20, 2016 | — | — | — |
| Hemphill 83 #4 | Sands Energy LLC | Coleman | May 13, 2016 | — | — | — |
| Hemphill 83 #3 | Sands Energy LLC | Coleman | Mar 14, 2015 | — | — | — |
About this data
Field 57987333 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, Apr 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/57987333, documented in the API reference.