GROCE, J. G. ET AL

Oil // district 1 // lease#4323

op: THALMANN, DAVID VAC SERVICE INC

cum_oil

20k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2015-06

-- production_history

cum_oil: 20,235 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

212 BBL/mo

Di (annual)

343.1%

b-factor

0.3

EUR

1,041 BBL

R-squared

0.493

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4OVERHOLT OIL AND GAS11,7001999-02-26
2OVERHOLT OIL AND GAS23,4791998-12-28
142-127-30391--------
EOF // data source: Texas Railroad Commission // 2026