MATHERS, LEILA Y. "402"

Oil · District 8A · Lease #63967

Operator: VALLA ENERGY CORPORATION

Cum Oil

22k BBL

Cum Gas

4k MCF

casinghead

Wells

1

Production

1993-01 — 2011-11

Peak Month

1993-01

Production History

Cum Oil: 22,194 BBL Cum Gas: 4,049 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

213 BBL/mo

Di (annual)

188.8%

b-factor

0.0

EUR

1,353 BBL

R-squared

0.371

type

exponential

Operator History (from monthly production reports)

2000-09 — 2024-04 ENDEAVOR ENERGY RESOURCES L.P. 284 mo
1997-01 — 2000-08 STEPHENS, AUTRY C. 44 mo
1995-09 — 1996-12 VALLA ENERGY CORPORATION 16 mo
1993-10 — 1995-08 LONE STAR OIL & GAS 23 mo
1993-01 — 1993-09 LYNX ENERGY COMPANY, INC. 9 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENDEAVOR ENERGY RESOURCES L.P.19,3501982-03-24