LAMBERT, M. F.

Oil // district 2 // lease#4902

op: KOVAR OPERATING, LLC

cum_oil

79k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2023-02

peak_month

1994-08

-- production_history

cum_oil: 79,333 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,309 BBL/mo

Di (annual)

383.0%

b-factor

1.0

EUR

38,119 BBL

R-squared

0.444

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
113HILCORP ENERGY COMPANY46,0002022-10-27
25HEWIT & DOUGHERTY15,8981987-06-17
122HEWIT & DOUGHERTY26,0121983-05-12
55 U42-391-01335--------
EOF // data source: Texas Railroad Commission // 2026