MADDOX, J. W. #4

Oil // district 13 // lease#18586

op: NORTEX ENERGY, INC.

cum_oil

108k BBL

cum_gas

0 MCF

wells

19

production

1993-01 — 2026-03

peak_month

1995-11

-- production_history

cum_oil: 108,363 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

718 BBL/mo

Di (annual)

17.2%

b-factor

0.5

EUR

81,144 BBL

R-squared

0.555

type

hyperbolic

-- wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20NORTEX ENERGY, INC.11,1002008-04-22
19MUENSTER DRILLING CO. INC.11,9992006-06-28
17MUENSTER DRILLING CO. INC.11,9992005-09-22
16MUENSTER DRILLING CO. INC.11,9902005-06-28
15MUENSTER DRILLING CO. INC.11,9992005-03-10
1AMUENSTER DRILLING CO. INC.11,2022003-01-14
14MUENSTER DRILLING CO. INC.12,0001995-05-24
12MUENSTER DRILLING CO. INC.12,0001994-11-28
11HUGHES, DAN, JR.19951991-08-19
10HUGHES, DAN, JR.19901990-11-30
9HUGHES, DAN, JR.11,0001987-08-25
8HUGHES, DAN, JR.11,0001985-09-19
7HUGHES, DAN, JR.11,1001984-08-23
6HUGHES, DAN, JR.11,1001982-11-15
5HUGHES, DAN, JR.11,1501979-11-05
3HUGHES, DAN, JR.11,1001978-09-08
4HUGHES, DAN, JR.11,1001978-09-08
1HUGHES, DAN, JR.11,2001977-08-11
2HUGHES, DAN, JR.11,2001977-08-11
EOF // data source: Texas Railroad Commission // 2026