CASS-ERNEST E20X

Oil · District 08 · Lease #60298

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

193k BBL

Cum Gas

447k MCF

casinghead

Wells

1

Production

2023-11 — 2026-04

Peak Month

2023-11

Production History

Cum Oil: 193,055 BBL Cum Gas: 446,822 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

33,002 BBL/mo

Di (annual)

692.0%

b-factor

1.0

EUR

336,278 BBL

R-squared

0.966

type

hyperbolic

Operator History (from monthly production reports)

2023-11 — 2026-07 PIONEER NATURAL RES. USA, INC. 33 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
24HPIONEER NATURAL RES. USA, INC.210,5032023-02-13