< leases

HANSON UNIT

Oil · District 08 · Lease #28803

Operator: SUNDOWN ENERGY LP

Fields: DEWEY LAKE, S. (STRAWN)

Cum Oil

31k BBL

Cum Gas

331k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1997-07

Production History

Cum Oil: 30,966 BBL Cum Gas: 330,914 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

140 BBL/mo

Di (annual)

5.6%

b-factor

0.0

EUR

28,337 BBL

R-squared

0.394

type

exponential

Operator History (from monthly production reports)

2025-05 — 2026-07 DIAMONDBACK E&P LLC 15 mo
2024-07 — 2025-04 DE IV OPERATING, LLC 10 mo
2015-05 — 2024-06 DIAMONDBACK E&P LLC 110 mo
2005-02 — 2015-04 SUNDOWN ENERGY LP 123 mo
2002-07 — 2005-01 JETTA OPERATING COMPANY, INC. 31 mo
2001-07 — 2002-06 DEVON ENERGY PRODUCTION CO, L.P. 12 mo
1998-01 — 2001-06 CONCHO RESOURCES INC. 42 mo
1997-02 — 1997-12 COSTILLA ENERGY, INC. 11 mo
1993-01 — 1997-01 COSTILLA PETROLEUM CORPORATION 49 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-173-31369DIAMONDBACK E&P LLC111,1871982-12-02