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CASS-ERNEST E20O

RRC identifier: 10 / 51839County: 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 20264,001Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20260Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 2026106,818Gas well 0 · Casinghead 106,818 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)Apr 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Jul 202629,050 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 2026896029,050029,0501
Jun 2026936028,957028,9571
May 20261,071026,271026,2711
Apr 20261,098022,540022,5401

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