DUVAL RANCH, SEC. #58

Oil // district 4 // lease#1696

op: SPEED, F. MICHAEL, TRUSTEE

fields: LUNDELL

cum_oil

89k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

2000-12

-- production_history

cum_oil: 88,564 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

436 BBL/mo

Di (annual)

9.0%

b-factor

0.3

EUR

71,890 BBL

R-squared

0.728

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
25DEWBRE, JERRY C., TRUSTEE11,6002004-02-17
24DEWBRE, JERRY C., TRUSTEE21,6002000-08-25
23DEWBRE, JERRY C., TRUSTEE11,6002000-05-25
22MANFRED PRODUCTION COMPANY11,7501986-04-01
1042-131-05493--------
1242-131-05495--------
542-131-05488--------
642-131-05489--------
842-131-05491--------
EOF // multi-state drilling data platform // 2026