CASS-ERNEST E20T

Oil · District 08 · Lease #60164

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

249k BBL

Cum Gas

619k MCF

casinghead

Wells

1

Production

2023-11 — 2026-04

Peak Month

2024-01

Production History

Cum Oil: 249,030 BBL Cum Gas: 619,455 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,535 BBL/mo

Di (annual)

379.2%

b-factor

1.0

EUR

458,223 BBL

R-squared

0.953

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20HPIONEER NATURAL RES. USA, INC.110,5032023-02-13