SEALY, GEORGE SEC. -45-

Oil · District 08 · Lease #4020

Operator: STEVENS & TULL, INC.

Cum Oil

8k BBL

Cum Gas

116 MCF

casinghead

Wells

4

Production

1993-01 — 2007-07

Peak Month

1995-10

Production History

Cum Oil: 7,860 BBL Cum Gas: 116 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

145 BBL/mo

Di (annual)

31.2%

b-factor

0.0

EUR

5,534 BBL

R-squared

0.463

type

exponential

Operator History (from monthly production reports)

2005-05 — 2020-04 ENDEAVOR ENERGY RESOURCES L.P. 180 mo
2000-06 — 2005-04 JUST OIL & GAS, INC. 59 mo
1997-08 — 2000-05 JUST OIL & GAS 34 mo
1997-05 — 1997-07 HERRICKS OIL CO. 3 mo
1993-01 — 1997-04 STEVENS & TULL, INC. 52 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7A&M OIL & GAS LLC13,5001995-07-13
342-475-03402ENDEAVOR ENERGY RESOURCES L.P.------
442-475-03407ENDEAVOR ENERGY RESOURCES L.P.------
642-475-10424ENDEAVOR ENERGY RESOURCES L.P.------