WILLIAMS-BUTTLES

Oil · District 01 · Lease #13138

Operator: UNIFIED CONSULTING, INC.

Cum Oil

3k BBL

Cum Gas

19 MCF

casinghead

Wells

1

Production

1993-01 — 1995-04

Peak Month

1993-07

Production History

Cum Oil: 3,323 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

293 BBL/mo

Di (annual)

153.1%

b-factor

0.0

EUR

2,296 BBL

R-squared

0.513

type

exponential

Operator History (from monthly production reports)

1995-06 — 2026-07 SIERRA PETROLEUM CO. 374 mo
1995-02 — 1995-05 KANA INVESTMENTS, INC. 4 mo
1993-08 — 1995-01 KANA RESOURCES, INC. 18 mo
1993-06 — 1993-07 UNIFIED CONSULTING, INC. 2 mo
1993-01 — 1993-05 CLEAR FORK, INCORPORATED 5 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HSIERRA PETROLEUM CO.16,0001991-03-26