ALLAR-CALLAWAY 27O

Oil · District 08 · Lease #62203

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

177k BBL

Cum Gas

266k MCF

casinghead

Wells

1

Production

2024-09 — 2026-04

Peak Month

2025-04

Production History

Cum Oil: 176,691 BBL Cum Gas: 265,530 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

22,462 BBL/mo

Di (annual)

129.4%

b-factor

0.2

EUR

260,462 BBL

R-squared

0.707

type

hyperbolic

Operator History (from monthly production reports)

2024-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 23 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15HPIONEER NATURAL RES. USA, INC.29,5002024-04-09