RATLIFF 46 -B-

Oil // district 10 // lease#31848

op: NORTHSTAR OPERATING COMPANY

cum_oil

17k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2009-01

peak_month

1994-01

-- production_history

cum_oil: 16,844 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

154 BBL/mo

Di (annual)

8.4%

b-factor

0.0

EUR

21,588 BBL

R-squared

0.427

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MWJ PRODUCING COMPANY210,8001988-06-07
EOF // data source: Texas Railroad Commission // 2026