SHANNON, M. A. EST.

Oil // district 9 // lease#19128

op: VANCO OIL & GAS CORP.

cum_oil

18k BBL

cum_gas

0 MCF

wells

34

production

2015-04 — 2026-03

peak_month

2015-09

-- production_history

cum_oil: 18,415 BBL cum_gas: 0 MCF

-- 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

-- wells (34)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
30AWINTERSHALL CORPORATION11,7001987-05-04
3AWINTERSHALL CORPORATION11,7001987-05-04
4AWINTERSHALL CORPORATION11,7001987-05-04
6AWINTERSHALL CORPORATION11,7001987-05-04
34WINTERSHALL OIL & GAS COPORATION21,7001986-04-16
17WINTERSHALL OIL & GAS COPORATION11,7001986-04-09
12WINTERSHALL OIL & GAS COPORATION11,7001986-03-04
14WINTERSHALL OIL & GAS COPORATION21,7001986-03-04
18WINTERSHALL OIL & GAS COPORATION11,7001986-03-03
23WINTERSHALL OIL & GAS COPORATION11,7001986-02-27
26WINTERSHALL OIL & GAS COPORATION11,7001986-02-25
31WINTERSHALL OIL & GAS COPORATION11,7001986-02-25
36WINTERSHALL OIL & GAS COPORATION21,7001986-02-25
13WINTERSHALL OIL & GAS COPORATION11,7001986-02-18
11WINTERSHALL OIL & GAS COPORATION11,7001986-02-11
24WINTERSHALL OIL & GAS COPORATION11,7001986-01-30
49WINTERSHALL OIL & GAS COPORATION11,6001986-01-30
9WINTERSHALL OIL & GAS COPORATION11,7001986-01-03
16WINTERSHALL OIL & GAS COPORATION11,7001985-12-31
10WINTERSHALL OIL & GAS COPORATION11,6501985-12-04
19WINTERSHALL OIL & GAS COPORATION11,6501985-12-04
5WINTERSHALL OIL & GAS COPORATION11,6501985-12-04
8WINTERSHALL OIL & GAS COPORATION11,6501985-12-04
46WINTERSHALL OIL & GAS COPORATION11,6001985-11-08
47WINTERSHALL OIL & GAS COPORATION11,6001985-11-08
44BROTHERS PRODUCTION COMPANY11,5501984-10-29
41BROTHERS PRODUCTION COMPANY11,5501983-07-29
42BROTHERS PRODUCTION COMPANY11,5501983-07-29
43BROTHERS PRODUCTION COMPANY11,5501983-07-29
40BROTHERS PRODUCTION COMPANY11,5501983-07-26
39BROTHERS PRODUCTION COMPANY11,5001982-12-20
33WROBERTS, A. F. JR.11,6001979-11-05
37ROBERTS, A. F. JR.11,6001979-11-05
35ROBERTS, A. F. JR.11,6001979-10-31
EOF // data source: Texas Railroad Commission // 2026