NORTHERN RANCH

Oil // district 3 // lease#6482

op: MUELLER ENGINEERING CORP.

cum_oil

10k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2006-03

peak_month

1993-01

-- production_history

cum_oil: 10,313 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

271 BBL/mo

Di (annual)

10.7%

b-factor

0.0

EUR

30,361 BBL

R-squared

0.691

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4 UCOCKRELL CORP.47,5162010-01-27
8 UPENNZOIL COMPANY37,4002006-02-17
3DCOCKRELL OIL CORPORATION27,2001984-06-15
EOF // data source: Texas Railroad Commission // 2026