DUANE 18

Oil · District 08 · Lease #44330

Operator: OXYROCK OPERATING, LLC

Cum Oil

29k BBL

Cum Gas

110k MCF

casinghead

Wells

2

Production

2012-12 — 2026-03

Peak Month

2014-06

Production History

Cum Oil: 29,358 BBL Cum Gas: 109,947 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,470 BBL/mo

Di (annual)

189.9%

b-factor

0.8

EUR

30,788 BBL

R-squared

0.814

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
2012-12 — 2024-07 CROWNQUEST OPERATING, LLC 140 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CIVITAS PERMIAN OPERATING, LLC112,0002014-01-18
1CIVITAS PERMIAN OPERATING, LLC212,0002012-09-17