MARY 18
RRC identifier: 09 / 18593County: UPTONOperator: PIONEER NATURAL RES. USA, INC.Field: SPRABERRY (TREND AREA) R 40 EXCReporting level: Oil lease
Reported monthly production for this RRC district and lease identifier. Multiple county allocations or gas-well reporting entities may be grouped on this page. Cumulative since Apr 2026.
Most recent monthJul 2026Latest of 4 loaded months
Cumulative oil since Apr 20261,866Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20260Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 202625,861Gas well 0 · Casinghead 25,861 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)Jul 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Jul 202611,695 MCF · Highest of 4 loaded months · latest if tied
Latest entities1Leases or gas wells
Monthly production trend
4 loaded reporting months (Apr 2026–Jul 2026); oil and gas use separate relative scales.
Production history before Apr 2026 is not loaded yet.
Oil (relative BBL scale)Total gas (gas well + casinghead)
Production history
Newest reporting month first.
| Production month | Oil (BBL) | Condensate (BBL) | Total gas (gas well + casinghead) | Gas well (MCF) | Casinghead gas (MCF) | Reporting entities |
|---|---|---|---|---|---|---|
| Jul 2026 | 674 | 0 | 11,695 | 0 | 11,695 | 1 |
| Jun 2026 | 409 | 0 | 4,589 | 0 | 4,589 | 1 |
| May 2026 | 428 | 0 | 4,988 | 0 | 4,988 | 1 |
| Apr 2026 | 355 | 0 | 4,589 | 0 | 4,589 | 1 |
Source: Railroad Commission of Texas. Not endorsed by the Railroad Commission of Texas.