SHANNON "B"

Oil · District 7C · Lease #8244

Operator: VANCO OIL & GAS CORP.

Cum Oil

190 BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

1993-01 — 1997-07

Peak Month

1994-12

Production History

Cum Oil: 190 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12 BBL/mo

Di (annual)

534.5%

b-factor

1.4

EUR

119 BBL

R-squared

0.762

type

hyperbolic

Operator History (from monthly production reports)

1998-07 — 2026-07 VANCO OIL & GAS CORP. 337 mo
1993-01 — 1998-06 BELVAN CORP. 66 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1VANCO OIL & GAS CORP.12,3001979-10-15