DEAN "I"

Oil · District 8A · Lease #5927

Operator: SHENANDOAH PETROLEUM CORPORATION

Fields: SLAUGHTER

Cum Oil

246k BBL

Cum Gas

112k MCF

casinghead

Wells

18

Production

1993-01 — 2024-11

Peak Month

1994-06

Production History

Cum Oil: 245,913 BBL Cum Gas: 111,545 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,298 BBL/mo

Di (annual)

14.2%

b-factor

0.1

EUR

214,120 BBL

R-squared

0.829

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2007-05 — 2021-01 LEGACY RESERVES OPERATING LP 165 mo
2003-05 — 2007-04 SHENANDOAH PETROLEUM CORPORATION 48 mo
2000-05 — 2003-04 PERMIAN RESOURCES, INC. 36 mo
1994-05 — 2000-04 MERIT ENERGY COMPANY 72 mo
1993-01 — 1994-04 CONOCO INC. 16 mo

Wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4EXTEX OPERATING COMPANY15,1002006-03-31
19EXTEX OPERATING COMPANY45,5002004-05-17
20EXTEX OPERATING COMPANY25,3501992-03-02
10W42-079-01186EXTEX OPERATING COMPANY------
1142-079-01187EXTEX OPERATING COMPANY------
12W42-079-01188EXTEX OPERATING COMPANY------
1342-079-01189EXTEX OPERATING COMPANY------
1442-079-01190EXTEX OPERATING COMPANY------
1542-079-00810EXTEX OPERATING COMPANY------
1742-079-00811EXTEX OPERATING COMPANY------
1842-079-00812EXTEX OPERATING COMPANY------
1W42-079-01177EXTEX OPERATING COMPANY------
242-079-01178EXTEX OPERATING COMPANY------
3W42-079-01179EXTEX OPERATING COMPANY------
542-079-01181EXTEX OPERATING COMPANY------
6W42-079-01182EXTEX OPERATING COMPANY------
742-079-01183EXTEX OPERATING COMPANY------
8W42-079-01184EXTEX OPERATING COMPANY------