ETHEL

Oil // district 11 // lease#69247

op: HALLIBURTON OPERATING COMPANY

cum_oil

121k BBL

cum_gas

0 MCF

wells

2

production

2008-04 — 2026-03

peak_month

2011-03

-- production_history

cum_oil: 120,614 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,375 BBL/mo

Di (annual)

43.9%

b-factor

0.4

EUR

104,714 BBL

R-squared

0.885

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HALLIBURTON OPERATING COMPANY14,5002010-07-13
2HALLIBURTON OPERATING COMPANY14,5002008-02-06
EOF // data source: Texas Railroad Commission // 2026