HEALD

Oil · District 08 · Lease #26874

Operator: HEC PETROLEUM, INC.

Cum Oil

43k BBL

Cum Gas

160k MCF

casinghead

Wells

2

Production

1993-01 — 2014-06

Peak Month

1993-07

Production History

Cum Oil: 42,675 BBL Cum Gas: 160,326 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

669 BBL/mo

Di (annual)

18.8%

b-factor

0.0

EUR

42,738 BBL

R-squared

0.723

type

exponential

Operator History (from monthly production reports)

2008-12 — 2018-11 ENDEAVOR ENERGY RESOURCES L.P. 120 mo
2006-04 — 2008-11 CHEVRON MIDCONTINENT, L.P. 32 mo
2002-01 — 2006-03 HEC PETROLEUM, INC. 51 mo
1994-12 — 2001-12 HALLWOOD PETROLEUM, INC. 85 mo
1993-01 — 1994-11 HALLWOOD ENERGY CORPORATION 23 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ENDEAVOR ENERGY RESOURCES L.P.19,6001981-12-22
1ENDEAVOR ENERGY RESOURCES L.P.19,6001981-07-29