MCADEN, E. W.

Oil · District 09 · Lease #18788

Operator: TATANKA OPERATING, LLC

Cum Oil

3k BBL

Cum Gas

11 MCF

casinghead

Wells

6

Production

1993-01 — 2010-08

Peak Month

1993-01

Production History

Cum Oil: 2,676 BBL Cum Gas: 11 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

86 BBL/mo

Di (annual)

13.2%

b-factor

0.0

EUR

7,759 BBL

R-squared

0.621

type

exponential

Operator History (from monthly production reports)

2023-10 — 2026-07 TATANKA OPERATING, LLC 34 mo
2010-12 — 2023-09 ATOKA OPERATING, INC. 154 mo
2005-07 — 2010-11 D-S-B PROPERTIES, INC. 65 mo
2001-11 — 2005-06 HEP OIL COMPANY, LTD. 44 mo
1993-01 — 2001-10 BRAMMER SUPPLY, INC. 106 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8TATANKA OPERATING LLC17,6001979-04-13
8 LTATANKA OPERATING LLC17,6001979-04-13
7TATANKA OPERATING LLC16,6001979-04-03
6TATANKA OPERATING LLC16,6001978-10-24
5TATANKA OPERATING LLC16,6001978-06-01
4TATANKA OPERATING LLC16,6001977-10-20