UNIVERSITY -35-

Oil // district 10 // lease#27077

op: SLANT OPERATING, LLC

cum_oil

16k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1993-12

-- production_history

cum_oil: 16,314 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

146 BBL/mo

Di (annual)

17.2%

b-factor

0.0

EUR

10,109 BBL

R-squared

0.349

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SLANT OPERATING, LLC59,3502023-09-18
3ARCO OIL & GAS CO.19,2001984-08-22
4ARCO OIL & GAS CO.19,2801984-07-17
2ARCO OIL & GAS CO.19,0801982-05-18
EOF // data source: Texas Railroad Commission // 2026