O'CONNOR, THOMAS "A"

Oil // district 2 // lease#7579

op: QUINTANA PET. CORP.

cum_oil

536k BBL

cum_gas

0 MCF

wells

28

production

1993-01 — 2026-03

peak_month

1993-08

-- production_history

cum_oil: 536,076 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,343 BBL/mo

Di (annual)

6.0%

b-factor

0.0

EUR

446,743 BBL

R-squared

0.493

type

exponential

-- wells (28)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
106QUINTANA PET. CORP.36,5002025-09-18
97QUINTANA PET. CORP.36,5002025-09-10
5HILCORP ENERGY COMPANY35,9102024-11-04
24QUINTANA PET. CORP.85,9022024-04-19
5GQUINTANA PET. CORP.105,9962023-12-04
5GWQUINTANA PET. CORP.105,9962023-12-04
9HILCORP ENERGY COMPANY15,9002023-09-14
31QUINTANA PET. CORP.45,8832021-02-02
36QUINTANA PET. CORP.55,9022017-12-01
3 GQUINTANA PET. CORP.55,9162014-05-23
28QUINTANA PET. CORP.35,9152011-11-08
14QUINTANA PET. CORP.45,9102008-07-09
14 UQUINTANA PET. CORP.45,9102008-07-09
119HILCORP ENERGY COMPANY26,4002008-06-13
102QUINTANA PET. CORP.45,9042007-08-23
38 LQUINTANA PET. CORP.45,9262006-03-15
20QUINTANA PET. CORP.95,9102006-01-23
20AQUINTANA PET. CORP.95,9102006-01-23
10HILCORP ENERGY COMPANY15,9102002-04-25
13QUINTANA PET. CORP.35,8852000-11-08
16QUINTANA PET. CORP.35,9001998-02-26
101QUINTANA PET. CORP.25,8981996-09-13
30QUINTANA PET. CORP.15,8851993-11-02
35QUINTANA PET. CORP.55,9011989-12-21
17 UQUINTANA PET. CORP.25,8951989-03-24
103QUINTANA PET. CORP.25,9001988-09-07
54 UQUINTANA PET. CORP.25,9251984-08-22
26 UQUINTANA PET. CORP.25,9101978-03-06
EOF // data source: Texas Railroad Commission // 2026