MCCULLOUGH, C & H

Oil · District 09 · Lease #30054

Operator: TATANKA OPERATING, LLC

Cum Oil

163k BBL

Cum Gas

426k MCF

casinghead

Wells

2

Production

2002-08 — 2026-04

Peak Month

2004-09

Production History

Cum Oil: 163,153 BBL Cum Gas: 426,268 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,612 BBL/mo

Di (annual)

28.8%

b-factor

1.2

EUR

209,042 BBL

R-squared

0.902

type

hyperbolic

Operator History (from monthly production reports)

2020-08 — 2026-07 TATANKA OPERATING, LLC 72 mo
2002-08 — 2020-07 JACO, TROY INC. 216 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TATANKA OPERATING, LLC19,9502004-09-09
1TATANKA OPERATING, LLC19,6002002-04-29