WEATHERBY -A-

Oil // district 9 // lease#4921

op: WESTPORT OIL AND GAS COMPANY, LP

cum_oil

659k BBL

cum_gas

0 MCF

wells

21

production

1993-01 — 2026-03

peak_month

1995-01

-- production_history

cum_oil: 659,063 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,500 BBL/mo

Di (annual)

9.5%

b-factor

0.1

EUR

612,011 BBL

R-squared

0.694

type

hyperbolic

-- wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
26PITTS ENERGY CO.19,5002008-08-07
27PITTS ENERGY CO.19,5002008-08-02
21SNYDER OIL CORPORATION18,0001994-08-17
22SNYDER OIL CORPORATION18,0001994-08-17
23SNYDER OIL CORPORATION18,0001994-08-17
24SNYDER OIL CORPORATION18,0001994-08-17
25SNYDER OIL CORPORATION18,0001994-08-17
16MIDLAND RESOURCES, INC.18,0001987-07-29
19MIDLAND RESOURCES, INC.18,0001987-07-29
12MIDLAND RESOURCES, INC.17,9001986-02-19
20MIDLAND RESOURCES, INC.17,8501986-02-06
142-383-10784--------
1042-383-30321--------
242-383-30107--------
342-383-30237--------
442-383-30238--------
542-383-30239--------
642-383-30240--------
742-383-30241--------
842-383-30317--------
942-383-30319--------
EOF // data source: Texas Railroad Commission // 2026