C BIRK K

Oil · District 09 · Lease #27392

Operator: WITT OPERATING

Cum Oil

59k BBL

Cum Gas

22 MCF

casinghead

Wells

25

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 58,978 BBL Cum Gas: 22 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,854 BBL/mo

Di (annual)

86.4%

b-factor

0.6

EUR

57,216 BBL

R-squared

0.902

type

hyperbolic

Operator History (from monthly production reports)

2026-06 — 2026-07 WAGGONER OPERATING, L.L.C. 2 mo
2024-03 — 2026-05 DARA OPERATING COMPANY, LLC 27 mo
2020-01 — 2024-02 VINLAND TEXAS SERVICES LLC 50 mo
2013-11 — 2019-12 LAYLINE ENERGY I LLC 74 mo
2012-06 — 2013-10 HALCON OPERATING CO., INC. 17 mo
2008-08 — 2012-05 WG OPERATING, INC. 46 mo
1998-06 — 2008-07 MCDAY ENERGY CORP. 122 mo
1996-10 — 1998-05 WITT OPERATING 20 mo
1993-01 — 1996-09 PRIMROSE OPERATING COMPANY 45 mo

Wells (25)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
71DARA OPERATING COMPANY, LLC12,0001991-07-01
70DARA OPERATING COMPANY, LLC12,0001991-06-28
72DARA OPERATING COMPANY, LLC12,0001991-06-28
69CDARA OPERATING COMPANY, LLC11,8001991-05-13
69DDARA OPERATING COMPANY, LLC11,8001991-05-13
69BDARA OPERATING COMPANY, LLC11,8001991-03-20
69DARA OPERATING COMPANY, LLC11,8001991-03-19
69ADARA OPERATING COMPANY, LLC11,8001991-03-19
10KCDARA OPERATING COMPANY, LLC11,9001990-10-18
9KCDARA OPERATING COMPANY, LLC11,9001990-10-18
7KADARA OPERATING COMPANY, LLC11,6501990-08-09
8KADARA OPERATING COMPANY, LLC11,6501990-08-09
5KADARA OPERATING COMPANY, LLC11,6501990-06-29
6KADARA OPERATING COMPANY, LLC11,6501990-06-29
1KDARA OPERATING COMPANY, LLC11,9501989-04-12
2KDARA OPERATING COMPANY, LLC11,9501989-04-12
3KDARA OPERATING COMPANY, LLC11,9501989-04-12
5 CDARA OPERATING COMPANY, LLC11,7001988-01-19
13DARA OPERATING COMPANY, LLC11,7001985-04-02
12DARA OPERATING COMPANY, LLC11,7001983-03-23
142-485-30030DARA OPERATING COMPANY, LLC------
1042-485-31508DARA OPERATING COMPANY, LLC------
242-485-30031DARA OPERATING COMPANY, LLC------
542-485-30042DARA OPERATING COMPANY, LLC------
842-485-31457DARA OPERATING COMPANY, LLC------