HEARD, CLAUDE E., ET AL

Oil // district 2 // lease#1539

op: QUINTANA PET. CORP.

fields: TOM OCONNOR

cum_oil

163k BBL

cum_gas

0 MCF

wells

12

production

1993-01 — 2026-03

peak_month

1993-11

-- production_history

cum_oil: 162,721 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,161 BBL/mo

Di (annual)

57.3%

b-factor

0.7

EUR

109,967 BBL

R-squared

0.412

type

hyperbolic

-- wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11AHILCORP ENERGY COMPANY55,9252024-06-18
16RHILCORP ENERGY COMPANY25,9252015-12-11
12QUINTANA PET. CORP.85,9252012-02-28
34QUINTANA PET. CORP.76,2902011-11-09
34AQUINTANA PET. CORP.76,2902011-11-09
26HILCORP ENERGY COMPANY25,9182011-08-03
14QUINTANA PET. CORP.85,9252010-04-27
7HILCORP ENERGY COMPANY45,9252009-06-18
5QUINTANA PET. CORP.45,9262009-03-10
24HILCORP ENERGY COMPANY35,9232008-02-22
8QUINTANA PET. CORP.25,9252007-10-01
23QUINTANA PET. CORP.25,9251990-08-22
EOF // data source: Texas Railroad Commission // 2026