MADISON-CALLAWAY 27A

Oil · District 08 · Lease #61996

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

157k BBL

Cum Gas

205k MCF

casinghead

Wells

1

Production

2024-08 — 2026-04

Peak Month

2025-04

Production History

Cum Oil: 157,108 BBL Cum Gas: 204,694 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

29,385 BBL/mo

Di (annual)

327.3%

b-factor

0.3

EUR

154,455 BBL

R-squared

0.931

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPIONEER NATURAL RES. USA, INC.110,6302024-06-07