Skip to research

BROOK B-12U

RRC identifier: 09 / 20396County: 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 202613,055Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20260Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 202645,400Gas well 0 · Casinghead 45,400 · 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 202615,710 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 monthOil (BBL)Condensate (BBL)Total gas (gas well + casinghead)Gas well (MCF)Casinghead gas (MCF)Reporting entities
Jul 20263,964015,710015,7101
Jun 20263,519011,427011,4271
May 20262,79609,80709,8071
Apr 20262,77608,45608,4561

Source: Railroad Commission of Texas. Not endorsed by the Railroad Commission of Texas.