FISCHER-ERWIN 10I

Oil · District 08 · Lease #63646

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

185k BBL

Cum Gas

160k MCF

casinghead

Wells

1

Production

2025-02 — 2026-04

Peak Month

2025-11

Production History

Cum Oil: 185,168 BBL Cum Gas: 160,038 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,453 BBL/mo

Di (annual)

269.6%

b-factor

0.0

EUR

158,434 BBL

R-squared

0.797

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
109HPIONEER NATURAL RES. USA, INC.210,2722024-08-02