MADISON-CALLAWAY 27H

Oil · District 08 · Lease #61940

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

185k BBL

Cum Gas

221k MCF

casinghead

Wells

1

Production

2024-08 — 2026-04

Peak Month

2025-08

Production History

Cum Oil: 184,663 BBL Cum Gas: 221,059 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,261 BBL/mo

Di (annual)

174.6%

b-factor

0.2

EUR

191,498 BBL

R-squared

0.925

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HPIONEER NATURAL RES. USA, INC.110,6302024-05-20