MCKEAN, M.

Operated by SOUTH SAM OPERATING COMPANY, LLC (P-5 802738) in the MONKSFIELD (350 SAND) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 8403District 01Field 62480500OilCasinghead gasSaveExport
Value, all time
$1.4 M
Jan 1993 – May 2026
Value, last 12 filed months
$7 k
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
oil, casinghead gas

The Railroad Commission's own record for the field this lease produces from, including the spacing rule that governs how close together its wells may be drilled.

These are facts about the field, not about this lease. The field holds 19 leases and 1,555 wells, and the rule below applies to all of them.

Discovered
1956-05-16
as the register files it
Field class
Oil
the register's own label
Between wells
100 ft
minimum
From a lease line
50 ft
minimum

A drilling unit in this field needs at least 0 acres. The field rule took effect on 1984-03-01.

The Commission's schedule remark for this field reads: RULE 2 - 1/2 ACRE OIL PRORATION UNITS

What this lease produced, and what it was worth

Oil and condensate are valued on the volume the state records as disposed of; gas and casinghead gas on the volume produced. They are different columns of different files, and the difference is not cosmetic.

StreamBasisVolumeValue
OilDisposition35,804 bbl$1,448,188
Casinghead gasProduction138 Mcf$385
Total$1,448,573

40 Mcf of this lease's gas, across 40 months, carries no value here. No free Texas wellhead gas price exists before 1997, so those months are left out of the total rather than valued at zero. The total above is therefore a floor, not an estimate.

Wells on this lease (90)

Every wellbore the Railroad Commission records against this lease key, with the depth, the last completion and the plug date exactly as filed. A well with no plug date is not stated to be producing — the state files no such flag.

These wells centre on 29.2952, -98.5203. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.8 miles.

29.29515, -98.52080 · centre of the wells drawn, derived

What these wells add up to

Every figure below is counted over all of this lease's wells, not over the rows listed above. The Railroad Commission files two facts about a well's state — a plug date and a proration-schedule flag — and a well can carry both, so they are published as separate counts and never merged into a status.

On the schedule
3.3%
3 of 90 wells
With a plug date
3.3%
3 of 90 wells
Median depth
340 ft
87 wells filed one
Completion to plug
39.1 years
median over 3 wells

What the state filed about each well

On the RRC proration schedule
33.3%
A plug date is filed
33.3%
BothOn the schedule and plugged. Neither fact cancels the other.
33.3%
NeitherNo plug date, and not on the schedule.
8796.7%

A plug date is the date the Commission recorded the wellbore as sealed with cement and abandoned. It is the only end-of-life fact Texas files. There is no "active" flag on a well, so this page does not print one — a well with no plug date is not stated to be producing.

How deep they were drilled

Total depth in feet, 87 of 90 wells. Median 340 ft, with the middle half between 320 and 340 ft; the shallowest is 290 ft and the deepest 432 ft. The median is published rather than the mean, because a single mis-keyed depth moves a mean and cannot move a median.

When they were last completed

Last completion by decade, 90 of 90 wells, Jun 1982 – Feb 1986. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Jun 1982 – Feb 1986
90 of 90 wells
Plug dates filed
Jan 2022
3 of 90 wells; 87 filed none

Last completion to plug: a median of 39.1 years across the 3 wells that filed both dates, with the middle half between 39.1 years and 39.3 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

90 wells

42-02932432209320 ftFeb 1986
42-02935047422340 ftApr 1984
42-02935048555340 ftApr 1984
42-02935049554340 ftApr 1984
42-02935082551340 ftApr 1984
42-02935083552340 ftApr 1984
42-02935080548340 ftApr 1984
42-02935081549340 ftApr 1984
42-02935078545340 ftApr 1984
42-02935079546340 ftApr 1984
42-02935074542340 ftApr 1984
42-02935077543340 ftApr 1984
42-02935066539340 ftApr 1984
42-02935067540340 ftApr 1984
42-02935064536340 ftApr 1984
42-02935065537340 ftApr 1984
42-02935062533340 ftMar 1984
42-02935063534340 ftMar 1984
42-02935060530340 ftMar 1984
42-02935061531340 ftMar 1984
42-02935057525340 ftMar 1984
42-02935058527340 ftMar 1984
42-02935059528340 ftMar 1984
42-02935056524340 ftMar 1984
42-02935055522340 ftMar 1984
42-02935054521340 ftMar 1984
42-02935052518340 ftMar 1984
42-02935053519340 ftMar 1984
42-02935050515340 ftMar 1984
42-02935084513340 ftMar 1984
42-02935051516340 ftMar 1984
42-02932441319340 ftDec 1982Jan 2022Yes
42-02932493320340 ftDec 1982Jan 2022Yes
42-02932444318320 ftDec 1982
42-02932443317320 ftNov 1982
42-02932445316320 ftNov 1982
42-02932447315320 ftNov 1982
42-02932446314320 ftNov 1982
42-02932448313320 ftNov 1982
42-02932449312320 ftNov 1982
42-02932450310320 ftNov 1982
42-02932451311320 ftNov 1982
42-02932452309320 ftNov 1982
42-02932453308320 ftNov 1982
42-02932454307320 ftNov 1982
42-02932424409320 ftSep 1982
42-02932425417320 ftSep 1982
42-02932508410320 ftSep 1982
42-02932429418340 ftSep 1982
42-02932490419340 ftSep 1982
42-02932506416330 ftSep 1982
42-02932510415330 ftSep 1982
42-02932426412330 ftSep 1982
42-02932423407340 ftSep 1982
42-02932433208330 ftSep 1982
42-02932430218350 ftSep 1982
42-02932437217350 ftSep 1982
42-02932439215330 ftSep 1982
42-02932440216340 ftSep 1982
42-02932496210320 ftSep 1982
42-02932428420340 ftSep 1982
42-02932438214340 ftSep 1982
42-02932498207320 ftSep 1982
42-02932492110320 ftSep 1982
42-02932504116330 ftSep 1982
42-02932505115290 ftSep 1982
42-02932495211320 ftSep 1982
42-02932500111320 ftSep 1982
42-02932435212340 ftSep 1982
42-02932499112Sep 1982
42-02932436213Sep 1982
42-02932422121370 ftSep 1982
42-02932488113Sep 1982
42-02932489114290 ftSep 1982
42-02932427411330 ftSep 1982
42-02932431421350 ftSep 1982
42-02932509414340 ftSep 1982
42-02932442321345 ftAug 1982Jan 2022Yes
42-02932434108330 ftAug 1982
42-02932491107330 ftAug 1982
42-02932494219330 ftAug 1982
42-02932503117290 ftAug 1982
42-02932507220350 ftAug 1982
42-02932501109320 ftAug 1982
42-02932497119350 ftAug 1982
42-02932502118400 ftAug 1982
42-02932420221375 ftAug 1982
42-02932421120350 ftAug 1982
42-02932253408432 ftJun 1982
42-02932254413370 ftJun 1982

The API number is the state's, prefixed 42 for Texas. A well is matched to this lease by the lease key the Commission files on the wellbore record, so a well that has moved between leases appears under each one it was filed against.

Every month this lease reported (401)

Volume × price = value, one row per cycle. The price columns are the same series published on the prices page — nothing here is modelled.

401 months

May 202600106.413.05$0
Apr 20260098.932.87$0
Mar 202614089.753.15$1,257
Feb 20260063.503.75$0
Jan 202626059.138.00$1,537
Dec 20250056.664.41$0
Nov 20250058.593.93$0
Oct 202512059.383.30$713
Sep 202532062.743.08$2,008
Aug 202520063.933.01$1,279
Jul 20250066.743.32$0
Jun 20250066.483.13$0
May 20250060.553.23$0
Apr 20250062.363.54$0
Mar 20256067.704.27$406
Feb 20256070.884.34$425
Jan 20250074.324.28$0
Dec 20245068.993.12$345
Nov 20246069.052.20$414
Oct 20246071.372.28$428
Sep 20247069.612.36$487
Aug 20247075.632.06$529
Jul 202414079.932.15$1,119
Jun 202419078.082.63$1,484
May 20240078.812.20$0
Apr 202431084.451.66$2,618
Mar 20240080.301.55$0
Feb 202411076.091.78$837
Jan 202424073.023.30$1,752
Dec 20230071.262.61$0
Nov 202312077.892.81$935
Oct 202323085.443.09$1,965
Sep 20230089.042.74$0
Aug 202311080.522.67$886
Jul 202315074.852.64$1,123
Jun 20230068.962.26$0
May 202336070.622.23$2,542
Apr 202336078.122.24$2,812
Mar 20230072.852.39$0
Feb 202337075.112.47$2,779
Jan 202337076.533.39$2,832
Dec 202239076.415.73$2,980
Nov 202237085.005.65$3,145
Oct 20220087.185.86$0
Sep 202238084.888.16$3,225
Aug 20220094.529.13$0
Jul 2022390101.587.54$3,962
Jun 2022340115.097.98$3,913
May 202200109.378.43$0
Apr 2022390104.226.84$4,065
Mar 2022390108.885.08$4,246
Feb 20220091.054.86$0
Jan 202240081.844.54$3,274
Dec 20210071.323.90$0
Nov 202139077.435.24$3,020
Oct 202137079.795.71$2,952
Sep 20210069.865.35$0
Aug 202161066.024.22$4,027
Jul 202129070.783.98$2,053
Jun 202131069.493.38$2,154
May 20210063.483.02$0
Apr 202130060.362.76$1,811
Mar 202127061.302.72$1,655
Feb 20210057.805.55$0
Jan 202129050.412.81$1,462
Dec 20200044.642.68$0
Nov 20200038.772.71$0
Oct 202030036.972.48$1,109
Sep 202060037.091.99$2,225
Aug 202030039.982.39$1,199
Jul 202088038.371.83$3,377
Jun 202062034.901.69$2,164
May 20200016.921.81$0
Apr 20200014.751.80$0
Mar 202053030.341.86$1,608
Feb 20200049.881.98$0
Jan 202037057.252.09$2,118
Dec 201937059.012.30$2,183
Nov 201936055.302.75$1,991
Oct 201971053.472.42$3,796
Sep 201918055.052.66$991
Aug 201933053.112.30$1,753
Jul 201915056.272.46$844
Jun 201931052.782.49$1,636
May 201930058.482.74$1,754
Apr 201944062.632.75$2,756
Mar 201931056.803.06$1,761
Feb 201975050.852.79$3,814
Jan 201915046.033.23$690
Dec 201832046.594.19$1,491
Nov 201831052.934.24$1,641
Oct 201831061.443.40$1,905
Sep 201814059.543.11$834
Aug 201835059.403.07$2,079
Jul 201844065.142.93$2,866
Jun 201815060.183.08$903
May 201831065.382.90$2,027
Apr 201845063.842.90$2,873
Mar 201831061.222.79$1,898
Feb 201843061.782.77$2,657
Jan 201843062.874.01$2,703
Dec 201731057.272.92$1,775
Nov 201730055.423.12$1,663
Oct 201715049.292.98$739
Sep 201729047.523.09$1,378
Aug 201744045.373.00$1,996
Jul 201716043.873.09$702
Jun 201731042.493.09$1,317
May 201740045.373.26$1,815
Apr 201741047.933.21$1,965
Mar 2017131046.772.98$6,127
Feb 20171050.452.95$50
Jan 201746049.413.42$2,273
Dec 201630048.763.72$1,463
Nov 201654042.492.64$2,294
Oct 201650046.193.09$2,310
Sep 2016200041.553.10$8,310
Aug 20169041.442.92$373
Jul 201626041.622.92$1,082
Jun 201641045.352.69$1,859
May 201653042.521.99$2,254
Apr 201610036.561.99$366
Mar 201643033.011.79$1,419
Feb 201641026.472.06$1,085
Jan 201628027.352.36$766
Dec 201579032.362.00$2,556
Nov 2015156038.792.17$6,051
Oct 20151043.552.43$44
Sep 201549042.992.76$2,107
Aug 201585040.162.87$3,414
Jul 201544048.152.95$2,119
Jun 201580056.152.88$4,492
May 201570055.212.96$3,865
Apr 201586049.822.71$4,285
Mar 201573042.892.93$3,131
Feb 201584044.662.98$3,751
Jan 201594043.433.10$4,082
Dec 201444054.693.59$2,406
Nov 2014108070.464.25$7,610
Oct 201471078.303.90$5,559
Sep 201453086.164.05$4,566
Aug 201489089.394.04$7,956
Jul 201488096.564.18$8,497
Jun 201477098.164.74$7,558
May 201479094.734.73$7,484
Apr 201481095.944.81$7,771
Mar 2014109095.895.06$10,452
Feb 201428097.406.19$2,727
Jan 201463090.404.86$5,695
Dec 201367091.824.35$6,152
Nov 201364088.853.74$5,686
Oct 201377097.423.78$7,501
Sep 2013740104.113.72$7,704
Aug 2013610104.253.52$6,359
Jul 2013690102.523.72$7,074
Jun 201391094.403.93$8,590
May 201383094.834.15$7,871
Apr 2013247093.964.28$23,208
Mar 20130093.623.91$0
Feb 2013109091.233.42$9,944
Jan 201379091.603.42$7,236
Dec 201263086.773.42$5,467
Nov 201264086.953.62$5,565
Oct 201252089.383.40$4,648
Sep 201237094.672.92$3,503
Aug 201235092.662.91$3,243
Jul 201288085.133.02$7,491
Jun 20120079.822.52$0
May 20120091.612.49$0
Apr 201200101.652.00$0
Mar 20121580105.052.22$16,598
Feb 201200101.102.57$0
Jan 2012158098.092.73$15,498
Dec 20110096.873.24$0
Nov 20110095.723.31$0
Oct 20110084.983.65$0
Sep 2011168083.623.99$14,048
Aug 20110083.404.15$0
Jul 20110094.144.52$0
Jun 2011171092.904.64$15,886
May 20110098.134.40$0
Apr 20111620105.964.33$17,166
Mar 20110096.364.06$0
Feb 20110085.644.18$0
Jan 2011161086.504.59$13,927
Dec 2010176085.734.35$15,088
Nov 20100080.843.80$0
Oct 20100078.103.51$0
Sep 2010156072.633.98$11,330
Aug 2010157073.684.42$11,568
Jul 20100072.554.74$0
Jun 20100070.364.91$0
May 2010141071.124.24$10,028
Apr 2010174081.694.12$14,214
Mar 20100078.394.39$0
Feb 2010165073.585.44$12,141
Jan 2010164074.365.96$12,195
Dec 20090071.445.48$0
Nov 2009166074.593.75$12,382
Oct 20090072.544.11$0
Sep 2009171065.543.06$11,207
Aug 2009167067.423.22$11,259
Jul 20090061.133.46$0
Jun 2009167066.163.90$11,049
May 2009162054.743.93$8,868
Apr 20090046.773.59$0
Mar 2009167042.144.06$7,037
Feb 2009184032.814.63$6,037
Jan 20090035.865.37$0
Dec 2008159037.105.98$5,899
Nov 2008167055.496.86$9,267
Oct 20080075.246.92$0
Sep 20081730101.767.88$17,604
Aug 20081780114.228.48$20,331
Jul 20081720131.0811.39$22,546
Jun 20081840131.3313.03$24,165
May 200800123.1711.57$0
Apr 20081670110.3110.45$18,422
Mar 200800101.909.66$0
Feb 2008180092.538.77$16,655
Jan 2008170090.388.21$15,365
Dec 20070088.337.30$0
Nov 2007169091.677.29$15,492
Oct 20070082.856.92$0
Sep 2007170075.846.24$12,893
Aug 20070069.066.39$0
Jul 2007166070.906.39$11,769
Jun 20070062.007.55$0
May 2007162058.747.85$9,516
Apr 20070059.617.81$0
Mar 2007164056.927.30$9,335
Feb 20070055.108.22$0
Jan 2007173050.306.73$8,702
Dec 20060056.656.92$0
Nov 2006148054.207.62$8,022
Oct 20060054.906.01$0
Sep 2006155060.085.04$9,312
Aug 20060068.717.34$0
Jul 2006149069.376.34$10,336
Jun 200639066.286.38$2,585
May 2006176066.016.42$11,618
Apr 20060064.397.36$0
Mar 2006177056.707.08$10,036
Feb 20060057.597.75$0
Jan 2006174060.598.93$10,543
Dec 20050054.9413.42$0
Nov 2005172054.6910.59$9,407
Oct 20050058.3413.80$0
Sep 200589061.4512.08$5,469
Aug 2005115061.519.80$7,074
Jul 2005169055.697.84$9,412
Jun 20050052.337.38$0
May 2005170045.226.65$7,687
Apr 200532049.207.36$1,574
Mar 2005164150.377.15$8,268
Feb 200585145.226.31$3,850
Jan 20050143.166.32$6
Dec 2004138139.866.75$5,507
Nov 200465145.286.33$2,950
Oct 200464149.706.52$3,187
Sep 2004116143.245.28$5,021
Aug 2004175142.375.55$7,420
Jul 2004144138.286.08$5,518
Jun 20040136.106.43$6
May 2004163137.486.49$6,116
Apr 20040134.475.86$6
Mar 2004163134.365.53$5,606
Feb 2004183132.455.51$5,944
Jan 200464132.036.30$2,056
Dec 2003160130.266.30$4,848
Nov 20030128.804.60$5
Oct 2003170128.174.76$4,794
Sep 20030126.314.75$5
Aug 2003212129.765.13$6,314
Jul 20030129.415.17$5
Jun 2003176128.565.98$5,033
May 2003164126.595.97$4,367
Apr 20030126.675.41$5
Mar 2003167131.146.10$5,206
Feb 20030133.487.93$8
Jan 2003171130.315.58$5,189
Dec 2002104126.914.85$2,803
Nov 2002161124.664.14$3,974
Oct 20020126.464.23$4
Sep 2002171127.443.64$4,696
Aug 20020125.963.16$3
Jul 2002161124.583.06$3,960
Jun 2002170123.733.34$4,037
May 2002159124.663.58$3,925
Apr 200249123.653.51$1,162
Mar 2002168122.003.10$3,699
Feb 2002129118.222.38$2,353
Jan 20020117.172.38$2
Dec 2001174116.932.36$2,948
Nov 2001170118.072.41$3,074
Oct 2001173019.782.53$3,422
Sep 2001164124.262.25$3,981
Aug 20010124.873.05$3
Jul 2001153123.933.20$3,664
Jun 2001162124.563.82$3,983
May 2001169125.524.31$4,317
Apr 20010124.685.34$5
Mar 200133124.545.38$815
Feb 2001116127.755.77$3,225
Jan 200181127.478.40$2,233
Dec 20000126.889.12$9
Nov 200065132.215.66$2,099
Oct 2000140131.235.15$4,377
Sep 2000164131.875.19$5,232
Aug 20000129.644.54$5
Jul 2000242128.534.09$6,908
Jun 20000129.304.40$4
May 2000141127.263.68$3,847
Apr 2000311124.513.12$7,626
Mar 20000128.422.86$3
Feb 2000160127.622.73$4,422
Jan 2000154125.272.48$3,894
Dec 199982124.282.42$1,993
Nov 1999154123.192.43$3,574
Oct 19990120.982.80$3
Sep 1999115121.752.62$2,504
Aug 1999309119.262.88$5,954
Jul 19990117.892.37$2
Jun 1999159115.942.36$2,537
May 19990115.792.32$2
Apr 1999315115.102.21$4,759
Mar 19990112.471.84$2
Feb 199916719.981.82$1,668
Jan 1999164110.381.90$1,704
Dec 199816019.201.77$1,474
Nov 1998167110.892.19$1,821
Oct 1998160112.421.97$1,989
Sep 1998159112.592.08$2,004
Aug 1998162111.301.91$1,833
Jul 1998157111.742.24$1,845
Jun 1998170111.242.24$1,913
May 1998162112.622.21$2,047
Apr 1998158113.042.51$2,063
Mar 1998167112.802.31$2,140
Feb 1998180113.952.30$2,513
Jan 1998167114.702.15$2,457
Dec 1997194116.322.41$3,168
Nov 1997161118.193.09$2,932
Oct 1997162119.253.15$3,122
Sep 1997162117.742.95$2,877
Aug 1997175117.862.55$3,128
Jul 1997162117.582.25$2,850
Jun 1997169117.242.26$2,916
May 1997165118.972.31$3,132
Apr 1997321117.882.08$5,742
Mar 1997163118.951.94$3,091
Feb 1997162120.492.21$3,322
Jan 1997328123.483.54$7,705
Dec 1996155123.32$3,615
Nov 1996152121.97$3,339
Oct 1996163123.31$3,800
Sep 1996162122.22$3,600
Aug 1996356120.26$7,213
Jul 1996178119.55$3,480
Jun 1996177118.73$3,315
May 1996162119.43$3,148
Apr 1996344121.51$7,399
Mar 19960119.38$0
Feb 1996357116.98$6,062
Jan 19960117.07$0
Dec 19950117.19$0
Nov 1995128116.00$2,048
Oct 1995126115.43$1,944
Sep 19950116.18$0
Aug 1995315115.92$5,015
Jul 1995170115.24$2,591
Jun 1995176116.41$2,888
May 1995167117.56$2,933
Apr 19950017.73$0
Mar 1995260116.44$4,274
Feb 19950116.58$0
Jan 1995158115.92$2,515
Dec 1994165015.03$2,480
Nov 1994193115.90$3,069
Oct 1994183015.58$2,851
Sep 1994319015.29$4,878
Aug 1994169016.13$2,726
Jul 1994101017.56$1,774
Jun 19940017.09$0
May 1994158015.88$2,509
Apr 1994156114.14$2,206
Mar 1994285112.46$3,551
Feb 1994160112.50$2,000
Jan 1994334112.66$4,228
Dec 1993137112.33$1,689
Nov 1993329114.49$4,767
Oct 1993176115.85$2,790
Sep 1993324115.03$4,870
Aug 1993340115.66$5,324
Jul 1993177115.46$2,736
Jun 1993292116.79$4,903
May 1993344117.68$6,082
Apr 1993334118.05$6,029
Mar 1993160118.14$2,902
Feb 1993338117.90$6,050
Jan 1993341116.93$5,773

How to read this page

The arithmetic is one multiplication per stream per month. Here it is, worked, on a real row from the table above.

Mar 2026 — as filed, then multipliedworked
Oil                   14 bbl  × $ 89.75 =     $1,257
Casinghead gas         0 Mcf  × $  3.15 =         $0

────────────────────────────────────────────────────
Month total                                   $1,257

The volumes are the state's, unchanged

Every barrel and every Mcf on this page is a number the Railroad Commission of Texas published in its monthly production query. Nothing is modelled, estimated or filled in.

The dollars are a multiplication, not a valuation

Volume × a published monthly price. It is not what the operator was paid: it takes no account of a contract, a differential, a transportation deduction, or the share any one owner holds.

Oil and gas are priced differently

Oil is a Texas realisation — the crude oil first purchase price. Gas is a benchmark, because no free Texas wellhead gas series exists at any date. The prices page publishes the difference rather than correcting it away.

A lease is not a well

The state reports oil on lease and gas on well, and this page is the lease grain. 01/O/8403 is the state's own key, not one this site invented.