MANGOLD KMA WATERFLOOD UNIT

Oil // district 13 // lease#9007

op: WHITE KNIGHT PRODUCTION LLC

fields: K-M-A

cum_oil

825k BBL

cum_gas

0 MCF

wells

32

production

1993-01 — 2026-03

peak_month

2013-11

-- production_history

cum_oil: 825,460 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,982 BBL/mo

Di (annual)

10.1%

b-factor

0.8

EUR

982,843 BBL

R-squared

0.796

type

hyperbolic

-- wells (32)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6023TXON PARTNERS, LLC19,0002015-12-30
405RTXON PARTNERS, LLC19,0002015-12-29
6018EXTEX OPERATING COMPANY14,5002013-07-26
6020EXTEX OPERATING COMPANY24,3002012-11-29
3010EXTEX OPERATING COMPANY14,0002012-10-04
6021EXTEX OPERATING COMPANY24,2502012-09-28
1019EXTEX OPERATING COMPANY24,0002010-11-18
1020EXTEX OPERATING COMPANY14,0002010-07-14
6019EXTEX OPERATING COMPANY14,0002010-07-05
202EXTEX OPERATING COMPANY14,0002010-02-10
1017EXTEX OPERATING COMPANY34,1002009-05-11
1SEXTEX OPERATING COMPANY13,0002009-04-28
1015EXTEX OPERATING COMPANY14,0002008-02-21
309EXTEX OPERATING COMPANY24,1002008-02-21
1ALTEX RESOURCES, INC.13,9501991-12-04
1010W42-485-87543--------
13 E42-485-87502--------
15 E42-485-87503--------
20142-485-87513--------
30642-485-87519--------
40142-485-87522--------
40442-485-87525--------
642-485-05795--------
601242-485-87550--------
601642-485-87551--------
60242-485-87529--------
60542-485-87532--------
60742-485-87534--------
60842-485-87535--------
60942-485-87536--------
80142-485-87541--------
942-485-05797--------
EOF // data source: Texas Railroad Commission // 2026