WELDER, R. H. -B-

Oil · District 04 · Lease #5956

Operator: SYDRI OPERATING, LLC

Cum Oil

4k BBL

Cum Gas

1k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2014-12

Production History

Cum Oil: 3,625 BBL Cum Gas: 1,243 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

166 BBL/mo

Di (annual)

127.1%

b-factor

0.4

EUR

2,487 BBL

R-squared

0.555

type

hyperbolic

Operator History (from monthly production reports)

2015-05 — 2026-07 DALLAS PETROLEUM GROUP, LLC 135 mo
2008-03 — 2015-04 SYDRI OPERATING, LLC 86 mo
2005-10 — 2008-02 HAZELETT OIL, INC. 29 mo
2002-07 — 2005-09 HAZELETT OIL COMPANY, INC. 39 mo
2000-01 — 2002-06 CONSOLIDATED PETRO PTNRS I, LLC 30 mo
1993-01 — 1999-12 MARATHON OIL COMPANY 84 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21DALLAS PETROLEUM GROUP, LLC16,5002012-10-17
6DALLAS PETROLEUM GROUP, LLC15,8241994-05-18
5DALLAS PETROLEUM GROUP, LLC65,8261993-10-12