SHANNON, M. A. EST.

Oil · District 7C · Lease #19128

Operator: VANCO OIL & GAS CORP.

Cum Oil

18k BBL

Cum Gas

0 MCF

Wells

34

Production

2015-04 — 2021-01

Peak Month

2015-09

Production History

Cum Oil: 18,415 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

833 BBL/mo

Di (annual)

71.8%

b-factor

0.0

EUR

13,920 BBL

R-squared

0.885

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 (34)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
30AVANCO OIL & GAS CORP.11,7001987-05-04
3AVANCO OIL & GAS CORP.11,7001987-05-04
4AVANCO OIL & GAS CORP.11,7001987-05-04
6AVANCO OIL & GAS CORP.11,7001987-05-04
34VANCO OIL & GAS CORP.21,7001986-04-16
17VANCO OIL & GAS CORP.11,7001986-04-09
12VANCO OIL & GAS CORP.11,7001986-03-04
14VANCO OIL & GAS CORP.21,7001986-03-04
18VANCO OIL & GAS CORP.11,7001986-03-03
23VANCO OIL & GAS CORP.11,7001986-02-27
26VANCO OIL & GAS CORP.11,7001986-02-25
31VANCO OIL & GAS CORP.11,7001986-02-25
36VANCO OIL & GAS CORP.21,7001986-02-25
13VANCO OIL & GAS CORP.11,7001986-02-18
11VANCO OIL & GAS CORP.11,7001986-02-11
24VANCO OIL & GAS CORP.11,7001986-01-30
49VANCO OIL & GAS CORP.11,6001986-01-30
9VANCO OIL & GAS CORP.11,7001986-01-03
16VANCO OIL & GAS CORP.11,7001985-12-31
10VANCO OIL & GAS CORP.11,6501985-12-04
19VANCO OIL & GAS CORP.11,6501985-12-04
5VANCO OIL & GAS CORP.11,6501985-12-04
8VANCO OIL & GAS CORP.11,6501985-12-04
46VANCO OIL & GAS CORP.11,6001985-11-08
47VANCO OIL & GAS CORP.11,6001985-11-08
44VANCO OIL & GAS CORP.11,5501984-10-29
41VANCO OIL & GAS CORP.11,5501983-07-29
42VANCO OIL & GAS CORP.11,5501983-07-29
43VANCO OIL & GAS CORP.11,5501983-07-29
40VANCO OIL & GAS CORP.11,5501983-07-26
39VANCO OIL & GAS CORP.11,5001982-12-20
33WVANCO OIL & GAS CORP.11,6001979-11-05
37VANCO OIL & GAS CORP.11,6001979-11-05
35VANCO OIL & GAS CORP.11,6001979-10-31