VON ORMY LAND & CATTLE -A-

Oil · District 01 · Lease #11303

Operator: VANNATTER, LOUIS E.

Fields: SOMERSET

Cum Oil

9k BBL

Cum Gas

42 MCF

casinghead

Wells

9

Production

1993-01 — 2020-01

Peak Month

2004-01

Production History

Cum Oil: 9,332 BBL Cum Gas: 42 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

113 BBL/mo

Di (annual)

30.4%

b-factor

0.3

EUR

6,160 BBL

R-squared

0.512

type

hyperbolic

Operator History (from monthly production reports)

2020-02 — 2026-07 PETROSAURUS, INC. 78 mo
2010-12 — 2020-01 CIBOLO PRODUCTION, LLC 110 mo
1997-01 — 2010-11 J-BAR OIL COMPANY 167 mo
1993-01 — 1996-12 VANNATTER, LOUIS E. 48 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PETROSAURUS INC.19001984-10-22
2VANNATTER LOUIS E.19001984-10-22
3VANNATTER LOUIS E.19001984-10-22
4VANNATTER LOUIS E.19001984-10-22
5VANNATTER LOUIS E.19001984-10-22
6VANNATTER LOUIS E.19001984-10-22
7VANNATTER LOUIS E.19001984-10-22
8VANNATTER LOUIS E.19001984-10-22
9VANNATTER LOUIS E.19001984-10-22