WHISTLER D

Oil · District 01 · Lease #21850

Operator: EOG RESOURCES, INC.

Cum Oil

202k BBL

Cum Gas

195k MCF

casinghead

Wells

1

Production

2025-11 — 2026-04

Peak Month

2025-11

Production History

Cum Oil: 202,202 BBL Cum Gas: 194,828 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

59,715 BBL/mo

Di (annual)

510.5%

b-factor

1.0

EUR

780,637 BBL

R-squared

0.994

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 EOG RESOURCES, INC. 9 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HEOG RESOURCES, INC.110,5002024-12-06