O'CONNER, THOMAS -A-

Oil · District 02 · Lease #6436

Operator: QUINTANA PET. CORP.

Cum Oil

27k BBL

Cum Gas

188k MCF

casinghead

Wells

3

Production

1993-01 — 2005-02

Peak Month

1997-09

Production History

Cum Oil: 26,645 BBL Cum Gas: 188,096 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,099 BBL/mo

Di (annual)

207.7%

b-factor

0.4

EUR

20,038 BBL

R-squared

0.847

type

hyperbolic

Operator History (from monthly production reports)

2000-12 — 2026-07 HILCORP ENERGY COMPANY 308 mo
1993-01 — 2000-11 QUINTANA PET. CORP. 95 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
57HILCORP ENERGY COMPANY35,9502019-02-05
61HILCORP ENERGY COMPANY25,9401991-09-18
61 UHILCORP ENERGY COMPANY25,9401991-09-18