CALVERLEY 4

Oil · District 08 · Lease #40153

Operator: VITAL ENERGY, INC.

Cum Oil

321k BBL

Cum Gas

1.7M MCF

casinghead

Wells

5

Production

2010-04 — 2026-04

Peak Month

2011-03

Production History

Cum Oil: 321,410 BBL Cum Gas: 1,697,111 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,606 BBL/mo

Di (annual)

79.1%

b-factor

0.4

EUR

264,342 BBL

R-squared

0.888

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 CRESCENT ENERGY OPERATING, LLC 7 mo
2023-02 — 2025-12 VITAL ENERGY, INC. 35 mo
2010-04 — 2023-01 LAREDO PETROLEUM, INC. 154 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HCRESCENT ENERGY OPERATING, LLC211,0002011-11-10
1CRESCENT ENERGY OPERATING, LLC19,8002010-12-20
4CRESCENT ENERGY OPERATING, LLC19,8502010-11-10
3CRESCENT ENERGY OPERATING, LLC19,9002010-08-31
2CRESCENT ENERGY OPERATING, LLC110,0002010-01-14