WILLIAMS

Oil // district 14 // lease#1409

op: WHITING PETROLEUM CORPORATION

cum_oil

896k BBL

cum_gas

0 MCF

wells

12

production

1993-01 — 2026-03

peak_month

1993-12

-- production_history

cum_oil: 895,745 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,054 BBL/mo

Di (annual)

24.8%

b-factor

2.0

EUR

997,660 BBL

R-squared

0.820

type

hyperbolic

-- wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6EXXCEL PRODUCTION COMPANY12,5502009-10-26
18UNION PACIFIC RESOURCES COMPANY23,0001993-11-22
16UNION PACIFIC RESOURCES COMPANY13,0001992-10-12
17UNION PACIFIC RESOURCES COMPANY13,0001992-10-12
15UNION PACIFIC RESOURCES COMPANY13,0001991-08-06
14UNION PACIFIC RESOURCES COMPANY13,0001991-04-03
13UNION PACIFIC RESOURCES COMPANY13,0001987-08-11
11CHAMPLIN PETROLEUM CO.13,0001987-06-04
12UNION PACIFIC RESOURCES COMPANY23,0001986-01-22
10ACHAMPLIN PETROLEUM CO.13,0001985-12-30
742-483-00130--------
842-483-80659--------
EOF // data source: Texas Railroad Commission // 2026