< leases

GROCE, J. G. ET AL

Oil · District 01 · Lease #4323

Operator: THALMANN, DAVID VAC SERVICE INC

Fields: PENA CREEK (SAN MIGUEL 3RD)

Cum Oil

20k BBL

Cum Gas

575 MCF

casinghead

Wells

3

Production

1993-01 — 2018-10

Peak Month

2015-06

Production History

Cum Oil: 20,235 BBL Cum Gas: 575 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

212 BBL/mo

Di (annual)

343.1%

b-factor

0.3

EUR

1,041 BBL

R-squared

0.493

type

hyperbolic

Operator History (from monthly production reports)

2018-06 — 2026-07 IMPERATOR OPERATING, LLC 98 mo
2017-04 — 2018-05 OIL, GAS, ETC. LLC 14 mo
2015-06 — 2017-03 ROYAL TEXAN RESOURCES CO. 22 mo
2006-01 — 2015-05 CUATRO PETRO CORP. 113 mo
2002-11 — 2005-12 THALMANN, DAVID VAC SERVICE INC 38 mo
1997-12 — 2002-10 OVERHOLT OIL AND GAS 59 mo
1993-01 — 1997-11 DAO OIL AND GAS 59 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-127-30431IMPERATOR OPERATING, LLC11,7001999-02-26
242-127-30423IMPERATOR OPERATING, LLC23,4791998-12-28
142-127-30391IMPERATOR OPERATING LLC------