WEIS

Oil // district 14 // lease#7955

op: DUNCAN OIL PROPERTIES, INC.

cum_oil

320k BBL

cum_gas

0 MCF

wells

4

production

2008-03 — 2026-03

peak_month

2018-04

-- production_history

cum_oil: 319,946 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,778 BBL/mo

Di (annual)

59.5%

b-factor

0.4

EUR

255,732 BBL

R-squared

0.610

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4441HDUNCAN OIL PROPERTIES, INC.19,0002019-05-06
3441HDUNCAN OIL PROPERTIES, INC.19,0002017-07-21
2441HDUNCAN OIL PROPERTIES, INC.18,5002008-10-09
1441HDUNCAN OIL PROPERTIES, INC.18,5002008-01-03
EOF // data source: Texas Railroad Commission // 2026