TUBB 21 U UNIT
RRC identifier: 10 / 48850County: MIDLANDOperator: PIONEER NATURAL RES. USA, INC.Field: SPRABERRY (TREND AREA)Reporting 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 202634,380Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20260Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 2026121,150Gas well 0 · Casinghead 121,150 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)Jun 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)May 202631,638 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 | 8,548 | 0 | 29,673 | 0 | 29,673 | 1 |
| Jun 2026 | 8,763 | 0 | 31,104 | 0 | 31,104 | 1 |
| May 2026 | 8,688 | 0 | 31,638 | 0 | 31,638 | 1 |
| Apr 2026 | 8,381 | 0 | 28,735 | 0 | 28,735 | 1 |
Source: Railroad Commission of Texas. Not endorsed by the Railroad Commission of Texas.