< leases

PROPST "H"

Oil · District 7B · Lease #27400

Operator: ZEFERZ PETROLEUM LLC

Fields: TRIPLE T (UPPER HOPE LIME)

Cum Oil

8k BBL

Cum Gas

0 MCF

Wells

1

Production

1994-12 — 2019-11

Peak Month

1994-12

Production History

Cum Oil: 8,396 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

185 BBL/mo

Di (annual)

69.1%

b-factor

0.9

EUR

10,297 BBL

R-squared

0.572

type

hyperbolic

Operator History (from monthly production reports)

2024-04 — 2026-07 ZEFERZ PETROLEUM LLC 28 mo
2023-05 — 2024-03 ABLEREADY, INC. 11 mo
2022-03 — 2023-04 BULL OPERATING, LLC 14 mo
2017-10 — 2022-02 FLETCHER OPERATING, LLC 53 mo
2017-03 — 2017-09 FLETCHER PETROLEUM CORP. 7 mo
2016-07 — 2017-02 VALLEY PETROLEUM COMPANY 8 mo
2013-05 — 2016-06 WHITT OIL & GAS, INC. 38 mo
1999-10 — 2013-04 CIRCLE RIDGE PRODUCTION, INC. 163 mo
1998-12 — 1999-09 ALEXANDER RESOURCES, INC. 10 mo
1994-12 — 1998-11 MID-TEX ENERGY INC. 48 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-253-34208ZEFERZ PETROLEUM LLC13,0001994-12-01