< leases

DOWDEN, C. A.

Oil · District 8A · Lease #65549

Operator: THREE RIVERS OPERATING CO LLC

Fields: WASSON 72

Cum Oil

149k BBL

Cum Gas

21 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1999-07

Production History

Cum Oil: 148,853 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

987 BBL/mo

Di (annual)

17.7%

b-factor

0.0

EUR

66,781 BBL

R-squared

0.755

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 EXTEX OPERATING COMPANY 66 mo
2013-01 — 2021-01 LEGACY RESERVES OPERATING LP 97 mo
2012-08 — 2012-12 COG OPERATING LLC 5 mo
2010-04 — 2012-07 THREE RIVERS OPERATING CO LLC 28 mo
2002-02 — 2010-03 CHESAPEAKE OPERATING, INC. 98 mo
2000-08 — 2002-01 SAPIENT ENERGY CORP 18 mo
1998-05 — 2000-07 FALCON CREEK RESOURCES, INC. 27 mo
1993-01 — 1998-04 STEVENS & TULL, INC. 64 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-501-33019EXTEX OPERATING COMPANY17,0001986-01-22
142-501-32931EXTEX OPERATING COMPANY17,0001985-09-25