ULBIG, JOHN

Oil · District 09 · Lease #24928

Operator: SELF BROTHERS

Cum Oil

17k BBL

Cum Gas

110 MCF

casinghead

Wells

1

Production

1993-01 — 2021-08

Peak Month

1996-03

Production History

Cum Oil: 17,414 BBL Cum Gas: 110 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

120 BBL/mo

Di (annual)

7.8%

b-factor

0.0

EUR

18,132 BBL

R-squared

0.454

type

exponential

Operator History (from monthly production reports)

2016-06 — 2026-07 BRA-DE OIL & GAS OPERATING, LLC 122 mo
2010-04 — 2016-05 BRA-DE OIL & GAS INC. 74 mo
1993-01 — 2010-03 SELF BROTHERS 207 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TEXACO INC.17,6151984-03-14