HEARD, IRA -A-

Oil · District 02 · Lease #2870

Operator: QUINTANA PET. CORP.

Cum Oil

8k BBL

Cum Gas

38k MCF

casinghead

Wells

2

Production

1993-01 — 1998-04

Peak Month

1994-09

Production History

Cum Oil: 7,931 BBL Cum Gas: 37,759 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

787 BBL/mo

Di (annual)

140.3%

b-factor

0.3

EUR

9,528 BBL

R-squared

0.848

type

hyperbolic

Operator History (from monthly production reports)

1994-03 — 1998-08 QUINTANA PET. CORP. 54 mo
1993-01 — 1994-02 AMOCO PRODUCTION COMPANY 14 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HILCORP ENERGY COMPANY108,3252012-10-10
1HILCORP ENERGY COMPANY45,9102005-07-11