WEST RANCH -A-

Oil // district 2 // lease#2207

op: VINTAGE PETROLEUM, LLC

cum_oil

231k BBL

cum_gas

0 MCF

wells

17

production

1993-01 — 2026-03

peak_month

1993-12

-- production_history

cum_oil: 231,138 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,951 BBL/mo

Di (annual)

61.4%

b-factor

1.3

EUR

172,248 BBL

R-squared

0.422

type

hyperbolic

-- wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2165HILCORP ENERGY COMPANY37,2002020-03-30
2052HILCORP ENERGY COMPANY27,2002020-03-19
334VINTAGE PETROLEUM, INC.66,5552018-01-05
171MOBIL PRODUCING TX. & N.M. INC.78,5002017-12-18
235MOBIL PRODUCING TX. & N.M. INC.37,2002017-11-15
58MOBIL PRODUCING TX. & N.M. INC.58,6002016-01-26
337MOBIL PRODUCING TX. & N.M. INC.67,0002016-01-22
351VINTAGE PETROLEUM, INC.67,0002015-11-10
349VINTAGE PETROLEUM, INC.137,5292014-08-12
487VINTAGE PETROLEUM, INC.66,4742012-06-09
391VINTAGE PETROLEUM, INC.97,0502004-10-06
202VINTAGE PETROLEUM, INC.38,5002003-09-11
518VINTAGE PETROLEUM, INC.69,0002001-05-04
312MOBIL PRODUCING TX. & N.M. INC.36,7001996-05-29
312AMOBIL PRODUCING TX. & N.M. INC.36,7001996-05-29
48MOBIL PRODUCING TX. & N.M. INC.76,5801993-09-15
449MOBIL PRODUCING TX. & N.M. INC.66,4871991-06-28
EOF // data source: Texas Railroad Commission // 2026