< leases

SCHWARTZ, W. H.

Oil · District 08 · Lease #35617

Operator: VITAL ENERGY, INC.

Fields: ST. LAWRENCE (WICHITA)

Cum Oil

42k BBL

Cum Gas

70k MCF

casinghead

Wells

1

Production

1997-12 — 2026-04

Peak Month

2002-09

Production History

Cum Oil: 42,205 BBL Cum Gas: 70,357 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

216 BBL/mo

Di (annual)

6.0%

b-factor

0.0

EUR

41,175 BBL

R-squared

0.542

type

exponential

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
2017-05 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 45 mo
2016-04 — 2017-04 DE OPERATING LLC 13 mo
2005-01 — 2016-03 MAYJAC I, LLC 135 mo
1997-12 — 2004-12 HUFF, JACK 85 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-173-31491CRESCENT ENERGY OPERATING, LLC210,2001997-07-18