< leases

ROPER

Oil · District 08 · Lease #38669

Operator: THREE RIVERS OPERATING CO LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

327k BBL

Cum Gas

1.7M MCF

casinghead

Wells

4

Production

2008-02 — 2026-04

Peak Month

2008-12

Production History

Cum Oil: 326,982 BBL Cum Gas: 1,674,459 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,781 BBL/mo

Di (annual)

25.8%

b-factor

0.2

EUR

275,905 BBL

R-squared

0.799

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2015-08 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 113 mo
2012-08 — 2015-07 COG OPERATING LLC 36 mo
2011-01 — 2012-07 THREE RIVERS OPERATING CO LLC 19 mo
2008-02 — 2010-12 SAMSON LONE STAR, LLC 35 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-329-10353DIAMONDBACK E&P LLC213,1032018-11-26
442-329-35896DIAMONDBACK E&P LLC212,0002018-07-06
242-329-35773DIAMONDBACK E&P LLC212,0002018-06-27
342-329-35895DIAMONDBACK E&P LLC212,0002018-06-27