< leases

ROCKER B "67"

Oil · District 7C · Lease #15161

Operator: HEC PETROLEUM, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

333k BBL

Cum Gas

2.3M MCF

casinghead

Wells

5

Production

2001-04 — 2026-04

Peak Month

2014-06

Production History

Cum Oil: 333,172 BBL Cum Gas: 2,317,772 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,269 BBL/mo

Di (annual)

498.2%

b-factor

1.7

EUR

353,706 BBL

R-squared

0.575

type

hyperbolic

Operator History (from monthly production reports)

2014-09 — 2026-07 DISCOVERY NATURAL RESOURCES LLC 143 mo
2012-01 — 2014-08 FIML NATURAL RESOURCES, LLC 32 mo
2006-04 — 2011-12 CHEVRON MIDCONTINENT, L.P. 69 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
2001-04 — 2001-12 HALLWOOD PETROLEUM, INC. 9 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1263NH42-383-38568DISCOVERY NATURAL RESOURCES LLC17,6002013-12-11
1264NH42-383-38567DISCOVERY NATURAL RESOURCES LLC17,6002013-12-10
121B42-383-37953DISCOVERY NATURAL RESOURCES LLC110,0002012-07-26
121D42-383-37948DISCOVERY NATURAL RESOURCES LLC110,0002012-07-26
1842-383-35110DISCOVERY NATURAL RESOURCES LLC27,5002000-12-15