DOUGLAS MINERAL TRUST -H-

Oil // district 13 // lease#15294

op: WILSON-SHAB CORP.

cum_oil

46k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2014-12

-- production_history

cum_oil: 46,406 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

185 BBL/mo

Di (annual)

7.9%

b-factor

0.0

EUR

27,568 BBL

R-squared

0.351

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2EXTEX OPERATING COMPANY34,8002013-01-29
2REXTEX OPERATING COMPANY34,8002013-01-29
142-485-90985--------
EOF // data source: Texas Railroad Commission // 2026