LAMBERT, M.F.

Oil // district 2 // lease#6619

op: PENNZOIL EXPLORATION & PROD. CO.

cum_oil

86k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

2006-08

-- production_history

cum_oil: 85,680 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,223 BBL/mo

Di (annual)

122.2%

b-factor

0.6

EUR

27,365 BBL

R-squared

0.642

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101PENNZOIL PRODUCING CO.65,8502023-04-25
25PENNZOIL PRODUCING CO.65,9012021-03-24
116 UPENNZOIL PRODUCING CO.35,8502004-08-24
42PENNZOIL PRODUCING CO.35,9102003-04-07
H105HEWIT & DOUGHERTY26,0521994-05-23
EOF // data source: Texas Railroad Commission // 2026