ALLAR-CALLAWAY 27L

Oil · District 08 · Lease #61928

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

165k BBL

Cum Gas

211k MCF

casinghead

Wells

1

Production

2024-07 — 2026-04

Peak Month

2025-09

Production History

Cum Oil: 164,589 BBL Cum Gas: 210,711 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,357 BBL/mo

Di (annual)

215.3%

b-factor

0.0

EUR

136,086 BBL

R-squared

0.881

type

exponential

Operator History (from monthly production reports)

2024-07 — 2026-07 PIONEER NATURAL RES. USA, INC. 25 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HPIONEER NATURAL RES. USA, INC.19,1002024-04-09