Skip to research

WELCH-COX E39B

RRC identifier: 10 / 59855County: MARTINOperator: 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 202626,839Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20260Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 202699,717Gas well 0 · Casinghead 99,717 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)May 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Jun 202631,166 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 20265,303025,447025,4471
Jun 20267,899031,166031,1661
May 20268,240026,428026,4281
Apr 20265,397016,676016,6761

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