HERZOG 23

Oil · District 08 · Lease #43105

Operator: OXYROCK OPERATING, LLC

Cum Oil

41k BBL

Cum Gas

209k MCF

casinghead

Wells

2

Production

2012-07 — 2026-04

Peak Month

2012-09

Production History

Cum Oil: 41,277 BBL Cum Gas: 209,155 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,276 BBL/mo

Di (annual)

68.8%

b-factor

0.6

EUR

48,484 BBL

R-squared

0.726

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 OXYROCK OPERATING, LLC 24 mo
2012-07 — 2024-07 CROWNQUEST OPERATING, LLC 145 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2OXYROCK OPERATING, LLC112,0002012-09-06
1OXYROCK OPERATING, LLC111,9002012-02-22