LAMBERT, M.F.

Oil // district 2 // lease#8970

op: HILCORP ENERGY COMPANY

cum_oil

74k BBL

cum_gas

0 MCF

wells

4

production

2005-04 — 2026-03

peak_month

2005-09

-- production_history

cum_oil: 74,022 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,795 BBL/mo

Di (annual)

89.0%

b-factor

0.4

EUR

62,087 BBL

R-squared

0.735

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
212HILCORP ENERGY COMPANY78,5002023-02-08
210HILCORP ENERGY COMPANY98,5002017-09-27
211RHILCORP ENERGY COMPANY59,0002015-06-24
150PENNZENERGY EXP. & PROD., L.L.C.413,0002012-11-28
EOF // data source: Texas Railroad Commission // 2026