FISCHER-ERWIN 10K

Oil · District 08 · Lease #63634

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

292k BBL

Cum Gas

240k MCF

casinghead

Wells

1

Production

2025-02 — 2026-04

Peak Month

2025-11

Production History

Cum Oil: 292,484 BBL Cum Gas: 240,254 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

52,479 BBL/mo

Di (annual)

243.6%

b-factor

1.2

EUR

1,678,467 BBL

R-squared

0.809

type

hyperbolic

Operator History (from monthly production reports)

2025-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
111HPIONEER NATURAL RES. USA, INC.210,2722024-08-02