ROBERTA "A"

Oil · District 08 · Lease #30770

Operator: BURLESON, LEWIS B. INC.

Cum Oil

18k BBL

Cum Gas

27k MCF

casinghead

Wells

5

Production

1993-01 — 1994-07

Peak Month

1993-03

Production History

Cum Oil: 18,365 BBL Cum Gas: 27,319 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,105 BBL/mo

Di (annual)

26.6%

b-factor

2.0

EUR

211,889 BBL

R-squared

0.848

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2008-03 BURLESON, LEWIS B. INC. 183 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11VIN FISHER OPERATING, INC.12,8501990-07-13
9VIN FISHER OPERATING, INC.12,9001988-01-06
8VIN FISHER OPERATING, INC.12,9501987-06-17
7VIN FISHER OPERATING, INC.12,9001986-09-19
6VIN FISHER OPERATING, INC.22,8501985-11-04