FIELDS · TEXAS · FIELD 55018500
Los Ybanez (Spraberry)
Field · District 8A · Dawson County · Spraberry in every state →
Los Ybanez (Spraberry) is an RRC field with 8 leases on file reported by 8 operators, in Dawson County.
In the 12 months reported through August 2026 it produced 27,974 barrels of oil, down 8% on the year before, from 2 leases reporting volume.
Watusi Energy LLC holds the most, 1 lease and 783,948 barrels of oil lifetime.
Lifetime, the field has reported 1.4 million barrels of oil and 1.8 million mcf of gas.
- 8
- leases on file
- 2
- leases reporting volume
- 8
- operators, all time
- 6
- active wellbores of 12 · 1 operators today
- 27,974
- bbl oil, 12 months through Aug 2026 · −8%
- 9,475
- Mcf gas, same 12 months · −3%
- 1.4M
- bbl oil, lifetime · 1.8M Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Aug 2026 27,974 · prior 12 30,526(-8%)
Los Ybanez (Spraberry): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 5
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Watusi Energy LLC | 1 | 784K | 635K | Aug 2026 |
| Fasken Oil and Ranch, Ltd. | 4 | 502K | 1.14M | Jan 2010 |
| J-Square Ramsey JV1, LLC | 1 | 121K | 0 | Jul 2026 |
| Big Star Oil & Gas, LLC | 1 | 0 | 0 | — |
| Sedona Oil & Gas Corp. | 1 | 0 | 0 | — |
Counties
- Dawson County → 7 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Los Ybanez Spraberry Unit #302 | Watusi Energy LLC | Dawson | May 7, 2025 | — | — | — |
| Los Ybanez Spraberry Unit #102 | Watusi Energy LLC | Dawson | Oct 26, 2023 | — | — | — |
| Los Ybanez Spraberry Unit #303 | Watusi Energy LLC | Dawson | Aug 19, 2021 | — | — | — |
| Holder #4 | J-Square Ramsey JV1 LLC | Dawson | Aug 10, 2012 | — | — | — |
| Holder #3 | J-Square Ramsey JV1 LLC | Dawson | Nov 18, 2011 | — | — | — |
| Holder #2 | J-Square Ramsey JV1 LLC | Dawson | Jul 16, 2011 | — | — | — |
| Holder #1 | J-Square Ramsey JV1 LLC | Dawson | Oct 11, 2010 | — | — | — |
| Los Ybanez Spraberry Unit #501 | Watusi Energy LLC | Dawson | Aug 4, 2010 | — | — | — |
| Los Ybanez Spraberry Unit #101 | Watusi Energy LLC | Dawson | May 18, 2007 | — | — | — |
| Los Ybanez Spraberry Unit #301 | Watusi Energy LLC | Dawson | Apr 10, 2007 | — | — | — |
About this data
Field 55018500 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. The formation, Spraberry, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/55018500, documented in the API reference.