TWIN SISTERS

Oil // district 8 // lease#24039

op: WEST INLAND ENERGY, INC.

cum_oil

11k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2011-11

-- production_history

cum_oil: 11,235 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

80 BBL/mo

Di (annual)

18.2%

b-factor

0.0

EUR

5,169 BBL

R-squared

0.399

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3WEST INLAND ENERGY, INC.12,5002011-02-16
1KOC TWIN SISTERS, LTD12,5001986-09-12
2KOC TWIN SISTERS, LTD12,5001986-09-12
EOF // data source: Texas Railroad Commission // 2026