NORTH PERRYTON UNIT

Oil // district 14 // lease#3740

op: WILLIFORD ENERGY COMPANY

cum_oil

2.7M BBL

cum_gas

0 MCF

wells

31

production

1993-01 — 2026-03

peak_month

2014-05

-- production_history

cum_oil: 2,686,335 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

23,553 BBL/mo

Di (annual)

33.9%

b-factor

1.8

EUR

3,787,884 BBL

R-squared

0.836

type

hyperbolic

-- wells (31)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
W 1WTXO PRODUCTION CORP.27,6022014-09-04
209CHAPARRAL ENERGY, L.L.C.27,8002014-02-28
605CHAPARRAL ENERGY, L.L.C.17,6172014-02-28
107WCHAPARRAL ENERGY, L.L.C.17,5732014-02-20
604WCHAPARRAL ENERGY, L.L.C.17,6052012-02-21
504CHAPARRAL ENERGY, L.L.C.17,5002010-09-17
208CHAPARRAL ENERGY, L.L.C.18,0002008-06-06
503CHAPARRAL ENERGY, L.L.C.17,5362007-09-21
202WICHAPARRAL ENERGY, L.L.C.17,5742006-07-25
603WCHAPARRAL ENERGY, L.L.C.17,5742006-07-25
801RANGE PRODUCTION COMPANY19,0001998-09-24
10142-357-01044--------
10242-357-02142--------
10342-357-01006--------
10442-357-00005--------
10542-357-00003--------
203W42-357-00827--------
20542-357-00807--------
206W42-357-02251--------
20742-357-30200--------
30142-357-02208--------
30242-357-02229--------
40242-357-02230--------
50142-357-00914--------
50242-357-02410--------
60142-357-00842--------
70142-357-00841--------
80242-357-00462--------
803W42-357-20171--------
80442-357-20173--------
90142-357-00066--------
EOF // data source: Texas Railroad Commission // 2026