CASS-ERNEST E20L

Oil · District 08 · Lease #59902

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

205k BBL

Cum Gas

546k MCF

casinghead

Wells

1

Production

2023-05 — 2026-04

Peak Month

2023-12

Production History

Cum Oil: 204,710 BBL Cum Gas: 545,942 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23,309 BBL/mo

Di (annual)

295.1%

b-factor

0.5

EUR

187,493 BBL

R-squared

0.923

type

hyperbolic

Operator History (from monthly production reports)

2023-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 39 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HPIONEER NATURAL RES. USA, INC.110,5032023-02-13