WASHINGTON MIPA

Oil // district 10 // lease#55740

op: SOGC, LLC

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

5

production

2021-03 — 2026-03

peak_month

2023-12

-- production_history

cum_oil: 1,226,135 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

87,525 BBL/mo

Di (annual)

358.0%

b-factor

1.2

EUR

2,127,765 BBL

R-squared

0.984

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3LSSINCLAIR OIL & GAS COMPANY110,0002022-04-20
4LSSINCLAIR OIL & GAS COMPANY110,0002022-04-20
5WASINCLAIR OIL & GAS COMPANY110,0002022-04-20
6WASINCLAIR OIL & GAS COMPANY110,0002022-04-20
1WASINCLAIR OIL & GAS COMPANY410,0002019-01-24
EOF // data source: Texas Railroad Commission // 2026