ANNALEE 18T

Oil · District 08 · Lease #44939

Operator: OXYROCK OPERATING, LLC

Cum Oil

75k BBL

Cum Gas

233k MCF

casinghead

Wells

2

Production

2013-09 — 2026-03

Peak Month

2014-06

Production History

Cum Oil: 75,406 BBL Cum Gas: 233,229 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,198 BBL/mo

Di (annual)

236.7%

b-factor

1.5

EUR

103,230 BBL

R-squared

0.603

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 15 mo
2024-08 — 2025-04 OXYROCK OPERATING, LLC 9 mo
2013-09 — 2024-07 CROWNQUEST OPERATING, LLC 131 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CIVITAS PERMIAN OPERATING, LLC112,0002014-01-21
3CIVITAS PERMIAN OPERATING, LLC112,0002013-06-13