SAKO-WATSON UNIT II DIM

Oil // district 1 // lease#16746

op: INEOS USA OIL & GAS LLC

cum_oil

736k BBL

cum_gas

0 MCF

wells

4

production

2013-01 — 2026-03

peak_month

2015-08

-- production_history

cum_oil: 735,801 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

27,548 BBL/mo

Di (annual)

315.2%

b-factor

0.6

EUR

250,290 BBL

R-squared

0.735

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
B 6HCHESAPEAKE OPERATING, INC.19,0002014-11-13
B 7HCHESAPEAKE OPERATING, INC.19,0002014-11-13
B 5HCHESAPEAKE OPERATING, L.L.C.49,0002014-01-31
B 4HCHESAPEAKE OPERATING, INC.39,0002012-06-29
EOF // data source: Texas Railroad Commission // 2026