MCKAY CREEK "B"

Oil · District 7C · Lease #8266

Operator: WILLIAMS-CODY, INC.

Cum Oil

286k BBL

Cum Gas

8.6M MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1999-10

Production History

Cum Oil: 285,950 BBL Cum Gas: 8,552,849 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,790 BBL/mo

Di (annual)

10.7%

b-factor

0.3

EUR

256,702 BBL

R-squared

0.713

type

hyperbolic

Operator History (from monthly production reports)

2013-10 — 2026-07 WHITE ROCK OIL & GAS, LLC 154 mo
1999-02 — 2013-09 CODY ENERGY LLC 176 mo
1993-05 — 1999-01 CODY ENERGY, INC. 69 mo
1993-04 — 1993-04 WILLIAMS-CODY, INC. 1 mo
1993-01 — 1993-03 CODY RESOURCES, INC. 3 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2WHITE ROCK OIL & GAS, LLC27,1001994-03-03
3WHITE ROCK OIL & GAS, LLC15,2001983-05-24
4WHITE ROCK OIL & GAS, LLC18,7001983-05-24
1WHITE ROCK OIL & GAS, LLC16,5001979-11-19