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TOBIAS SIMPSON UNIT

Lease 1001112480 · Rice County, Kansas · Sec 25 T20S R9W · DOR 104763

Oil1968–1996
Operator
Thunderbird Drilling, Inc.
Cumulative (state figure)
3,502,684 bbl
First production
1968
Last production
1996
Location (PLSS)
Sec 25 T20S R9W

Monthly oil production

204 months filed with the Kansas Geological Survey, Jan 1980 to Dec 1996. Volumes are bbl at lease level — a lease can cover many wells, so this is not a well's output.

Total over the months shown
295,872 bbl
Months filed
204

This lease was producing before 1980, and the series begins in January 1980. The total above covers the months shown, not the life of the lease; the state's own cumulative is 3,502,684 bbl.

MonthOil (bbl)
Dec 1996843
Nov 1996656
Oct 1996627
Sep 1996610
Aug 1996836
Jul 1996830
Jun 1996631
May 19961,082
Apr 1996629
Mar 1996854
Feb 1996647
Jan 1996629
Dec 1995859
Nov 1995827
Oct 1995621
Sep 1995758
Aug 1995615
Jul 1995852
Jun 19951,048
May 1995644
Apr 1995637
Mar 1995740
Feb 19951,050
Jan 1995642
Dec 19941,034
Nov 1994833
Oct 1994830
Sep 1994615
Aug 1994801
Jul 19941,019
Jun 1994839
May 19941,064
Apr 1994658
Mar 1994845
Feb 1994882
Jan 1994868
Dec 1993882
Nov 19931,306
Oct 1993858
Sep 1993836
Aug 19931,254
Jul 1993615
Jun 19931,013
May 19931,056
Apr 1993864
Mar 19931,070
Feb 1993873
Jan 1993865
Dec 19921,298
Nov 1992860
Oct 19921,078
Sep 19921,063
Aug 1992847
Jul 19921,067
Jun 19921,262
May 1992644
Apr 19921,504
Mar 19921,081
Feb 19921,512
Jan 1992871
Dec 19911,519
Nov 19911,087
Oct 19911,072
Sep 19911,277
Aug 19911,277
Jul 19911,063
Jun 19911,270
May 19911,284
Apr 19911,072
Mar 19911,082
Feb 19911,273
Jan 19911,072
Dec 19901,100
Nov 19901,087
Oct 19901,225
Sep 19901,000
Aug 19901,039
Jul 1990854
Jun 1990850
May 19901,080
Apr 1990846
Mar 19901,082
Feb 1990870
Jan 19901,056
Dec 19891,092
Nov 19891,072
Oct 1989859
Sep 19891,288
Aug 1989843
Jul 1989854
Jun 19891,153
May 19891,072
Apr 19891,076
Mar 19891,085
Feb 19891,077
Jan 19891,095
Dec 19881,085
Nov 19881,304
Oct 19881,071
Sep 19881,071
Aug 19881,056
Jul 19881,267
Jun 19881,065
May 19881,287
Apr 19881,280
Mar 19881,072
Feb 19881,301
Jan 19881,322
Dec 19871,297
Nov 19871,076
Oct 19871,293
Sep 19871,283
Aug 19871,269
Jul 1987854
Jun 19871,496
May 19871,291
Apr 19871,245
Mar 19871,189
Feb 19871,291
Jan 19871,254
Dec 1986975
Nov 19861,080
Oct 19861,077
Sep 19861,282
Aug 19861,696
Jul 19861,275
Jun 19861,058
May 19861,501
Apr 19861,507
Mar 19861,719
Feb 19861,308
Jan 19861,480
Dec 19851,061
Nov 19851,279
Oct 1985844
Sep 19851,436
Aug 19851,269
Jul 19851,448
Jun 19851,215
May 19851,473
Apr 19851,064
Mar 19851,891
Feb 19851,253
Jan 19851,703
Dec 19841,502
Nov 19841,288
Oct 19841,703
Sep 19841,676
Aug 19841,267
Jul 19841,694
Jun 19841,466
May 19841,494
Apr 19841,716
Mar 19841,304
Feb 19841,276
Jan 19841,740
Dec 19831,670
Nov 19831,492
Oct 19833,775
Sep 19831,900
Aug 19831,673
Jul 19831,691
Jun 19831,920
May 19831,438
Apr 19831,944
Mar 19831,082
Feb 19831,589
Jan 19832,167
Dec 19821,514
Nov 19822,171
Oct 19821,896
Sep 19821,919
Aug 19822,119
Jul 19821,898
Jun 19822,132
May 19821,913
Apr 19822,360
Mar 19822,396
Feb 19822,343
Jan 19822,583
Dec 19812,819
Nov 19812,383
Oct 19812,752
Sep 19812,584
Aug 19812,543
Jul 19813,207
Jun 19812,572
May 19813,173
Apr 19812,985
Mar 19813,007
Feb 19813,025
Jan 19813,013
Dec 19802,776
Nov 19803,151
Oct 19803,437
Sep 19803,398
Aug 19803,542
Jul 19803,801
Jun 19803,175
May 19803,967
Apr 19803,804
Mar 19803,885
Feb 19804,090
Jan 19804,122

Lease-level volumes as filed with the Kansas Geological Survey.

Wells on this lease

The state’s well register assigns no well to this lease. 23,174 of 98,639 Kansas leases are in that position — a lease is a production unit, and the register does not always name the holes under it.

Location

38.282478, -98.266022 · Sec 25 T20S R9W

Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001112480. The state’s own record.