HILDEBRAND, IRA P.

Oil · District 01 · Lease #12501

Operator: HEC PETROLEUM, INC.

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

128k BBL

Cum Gas

35k MCF

casinghead

Wells

3

Production

1993-01 — 2002-12

Peak Month

1993-03

Production History

Cum Oil: 127,991 BBL Cum Gas: 35,408 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,493 BBL/mo

Di (annual)

26.0%

b-factor

0.0

EUR

114,954 BBL

R-squared

0.595

type

exponential

Operator History (from monthly production reports)

2002-01 — 2003-08 HEC PETROLEUM, INC. 20 mo

2000-09 — 2001-12 HALLWOOD PETROLEUM, INC. 16 mo

1994-08 — 2000-08 COX RESOURCES CORP. 73 mo

1993-01 — 1994-07 EXXON CORP. 19 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-163-32956	HEC PETROLEUM INC.	1	8,625	1991-01-28
2	42-163-32830	HEC PETROLEUM INC.	1	8,520	1990-09-06
1	42-163-32622	HEC PETROLEUM INC.	2	8,520	1990-01-18