SHANNON -A-

Oil · District 7C · Lease #19126

Operator: VANCO OIL & GAS CORP.

Cum Oil

9k BBL

Cum Gas

0 MCF

Wells

8

Production

2015-04 — 2021-01

Peak Month

2015-08

Production History

Cum Oil: 8,832 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

292 BBL/mo

Di (annual)

44.3%

b-factor

0.0

EUR

7,871 BBL

R-squared

0.308

type

exponential

Operator History (from monthly production reports)

2019-01 — 2026-07 VANCO OIL & GAS CORP. 91 mo
2015-04 — 2018-12 SAGA PETROLEUM LLC OF COLORADO 45 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21VANCO OIL & GAS CORP.11,9001998-01-21
18VANCO OIL & GAS CORP.11,9001998-01-07
1042-105-02067VANCO OIL & GAS CORP.------
1742-105-00109VANCO OIL & GAS CORP.------
242-105-02058VANCO OIL & GAS CORP.------
3 L42-105-02060VANCO OIL & GAS CORP.------
442-105-02061VANCO OIL & GAS CORP.------
542-105-02063VANCO OIL & GAS CORP.------