< leases

CALVERLEY 36-25

Oil · District 08 · Lease #50652

Operator: VITAL ENERGY, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

616k BBL

Cum Gas

1.8M MCF

casinghead

Wells

3

Production

2018-01 — 2026-04

Peak Month

2018-03

Production History

Cum Oil: 615,677 BBL Cum Gas: 1,816,446 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,112 BBL/mo

Di (annual)

289.6%

b-factor

1.3

EUR

1,011,857 BBL

R-squared

0.899

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
2021-10 — 2023-01 LAREDO PETROLEUM, INC. 16 mo
2021-02 — 2021-09 PIONEER NATURAL RES. USA, INC. 8 mo
2018-01 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 37 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4215H42-173-37605CRESCENT ENERGY OPERATING, LLC18,2002017-06-05
2815H42-173-37604CRESCENT ENERGY OPERATING, LLC212,5002017-06-02
4815H42-173-37600CRESCENT ENERGY OPERATING, LLC19,4002017-06-01