HEARD, IRA "A"

Oil · District 02 · Lease #8135

Operator: QUINTANA PET. CORP.

Cum Oil

12k BBL

Cum Gas

24k MCF

casinghead

Wells

1

Production

1995-10 — 1996-12

Peak Month

1995-12

Production History

Cum Oil: 12,116 BBL Cum Gas: 23,720 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,713 BBL/mo

Di (annual)

156.4%

b-factor

0.0

EUR

13,153 BBL

R-squared

0.912

type

exponential

Operator History (from monthly production reports)

1995-10 — 1997-07 QUINTANA PET. CORP. 22 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HILCORP ENERGY COMPANY108,3252012-10-10