ALLAR-CALLAWAY 27R

Oil · District 08 · Lease #62201

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

301k BBL

Cum Gas

438k MCF

casinghead

Wells

1

Production

2024-09 — 2026-04

Peak Month

2025-07

Production History

Cum Oil: 301,191 BBL Cum Gas: 437,820 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

39,819 BBL/mo

Di (annual)

305.8%

b-factor

0.3

EUR

223,942 BBL

R-squared

0.939

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18HPIONEER NATURAL RES. USA, INC.19,1002024-04-09