WILSON, EFFIE B.

Operated by ROGERS, S. K. OIL, INC. (P-5 725013) in the HAMILTON (CLEARFORK) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 66616District 8AField 38455500Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$5.5 M
Jan 1993 – May 2026
Value, last 12 filed months
$278 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 46 leases and 95 wells, and the rule below applies to all of them.

Discovered
1980-04-03
as the register files it
Field class
Oil
the register's own label
Between wells
700 ft
minimum
From a lease line
400 ft
minimum

A drilling unit in this field needs at least 20 acres. The field rule took effect on 2018-10-16.

The register flags this field for hydrogen sulphide. That is a poisonous gas that occurs naturally in some formations. The flag is a property of the field as the Commission records it. It is not a measurement taken at this lease, and it is not a statement that gas is escaping anywhere.

The Commission's schedule remark for this field reads: PLATS ARE REQUIRED

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
OilDisposition121,843 bbl$5,478,408
Casinghead gasProduction61 Mcf$199
Total$5,478,607

21 Mcf of this lease's gas, across 21 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 (2)

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 33.5593, -102.3105. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.2 miles.

33.55930, -102.31044 · 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
50.0%
1 of 2 wells
With a plug date
100.0%
2 of 2 wells
Median depth
7,191 ft
2 wells filed one
Completion to plug
11.9 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
150.0%
A plug date is filed
2100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
150.0%
NeitherNo plug date, and not on the schedule.
00.0%

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

Between 6,400 and 7,982 ft, median 7,191 ft, over the 2 wells that filed a depth.

Completions filed
Dec 1990 – Apr 1997
2 of 2 wells
Plug dates filed
Dec 1983 – Mar 2009
2 of 2 wells

Last completion to plug: a median of 11.9 years across the 1 well that filed both dates, with the middle half between 11.9 years and 11.9 years. A further 1 well is excluded, because the last completion the Commission holds for it is dated after the plug date. Both dates are the latest of their kind on the wellbore record and they are filed separately, so the two need not run in order. The gap is the distance between two filed dates — it is not a statement of how long the well produced.

2 wells

42-2193631526,400 ftApr 1997Mar 2009Yes
42-2193415317,982 ftDec 1990Dec 1983

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 20261680106.413.05$17,877
Apr 2026345098.932.87$34,131
Mar 2026173089.753.15$15,527
Feb 2026328063.503.75$20,828
Jan 2026171059.138.00$10,111
Dec 2025346056.664.41$19,604
Nov 2025516058.593.93$30,232
Oct 2025345059.383.30$20,486
Sep 2025339062.743.08$21,269
Aug 2025504063.933.01$32,221
Jul 2025337066.743.32$22,491
Jun 2025502066.483.13$33,373
May 2025172060.553.23$10,415
Apr 2025346062.363.54$21,577
Mar 2025341067.704.27$23,086
Feb 2025343070.884.34$24,312
Jan 2025177074.324.28$13,155
Dec 2024173068.993.12$11,935
Nov 2024171069.052.20$11,808
Oct 2024169071.372.28$12,062
Sep 2024174069.612.36$12,112
Aug 20240075.632.06$0
Jul 2024341079.932.15$27,256
Jun 2024169078.082.63$13,196
May 2024162078.812.20$12,767
Apr 20240084.451.66$0
Mar 2024171080.301.55$13,731
Feb 2024173076.091.78$13,164
Jan 2024176073.023.30$12,852
Dec 2023174071.262.61$12,399
Nov 2023168077.892.81$13,086
Oct 2023175085.443.09$14,952
Sep 2023174089.042.74$15,493
Aug 2023176080.522.67$14,172
Jul 2023171074.852.64$12,799
Jun 2023173068.962.26$11,930
May 2023173070.622.23$12,217
Apr 2023173078.122.24$13,515
Mar 2023174072.852.39$12,676
Feb 2023175075.112.47$13,144
Jan 2023171076.533.39$13,087
Dec 2022170076.415.73$12,990
Nov 2022179085.005.65$15,215
Oct 2022172087.185.86$14,995
Sep 2022170084.888.16$14,430
Aug 2022173094.529.13$16,352
Jul 20221730101.587.54$17,573
Jun 20221720115.097.98$19,795
May 20221750109.378.43$19,140
Apr 20221750104.226.84$18,239
Mar 20221710108.885.08$18,618
Feb 2022179091.054.86$16,298
Jan 2022175081.844.54$14,322
Dec 2021175071.323.90$12,481
Nov 2021181077.435.24$14,015
Oct 2021174079.795.71$13,883
Sep 2021168069.865.35$11,736
Aug 2021171066.024.22$11,289
Jul 2021171070.783.98$12,103
Jun 2021170069.493.38$11,813
May 2021175063.483.02$11,109
Apr 2021180060.362.76$10,865
Mar 2021173061.302.72$10,605
Feb 2021174057.805.55$10,057
Jan 2021178050.412.81$8,973
Dec 2020179044.642.68$7,991
Nov 2020345038.772.71$13,376
Oct 20200036.972.48$0
Sep 2020176037.091.99$6,528
Aug 2020176039.982.39$7,036
Jul 2020171038.371.83$6,561
Jun 2020520034.901.69$18,148
May 20200016.921.81$0
Apr 2020172014.751.80$2,537
Mar 2020174030.341.86$5,279
Feb 2020167049.881.98$8,330
Jan 2020174057.252.09$9,962
Dec 2019176059.012.30$10,386
Nov 2019176055.302.75$9,733
Oct 2019171053.472.42$9,143
Sep 2019170055.052.66$9,359
Aug 2019171053.112.30$9,082
Jul 2019174056.272.46$9,791
Jun 2019340052.782.49$17,945
May 2019172058.482.74$10,059
Apr 2019169062.632.75$10,584
Mar 2019172056.803.06$9,770
Feb 2019169050.852.79$8,594
Jan 2019173046.033.23$7,963
Dec 2018345046.594.19$16,074
Nov 2018178052.934.24$9,422
Oct 2018169061.443.40$10,383
Sep 2018171059.543.11$10,181
Aug 2018167059.403.07$9,920
Jul 2018171065.142.93$11,139
Jun 2018332060.183.08$19,980
May 2018168065.382.90$10,984
Apr 2018172063.842.90$10,980
Mar 2018343061.222.79$20,998
Feb 2018172061.782.77$10,626
Jan 2018178062.874.01$11,191
Dec 2017343057.272.92$19,644
Nov 2017173055.423.12$9,588
Oct 2017173049.292.98$8,527
Sep 2017168047.523.09$7,983
Aug 2017176045.373.00$7,985
Jul 2017339043.873.09$14,872
Jun 2017167042.493.09$7,096
May 2017343045.373.26$15,562
Apr 2017173047.933.21$8,292
Mar 2017171046.772.98$7,998
Feb 2017171050.452.95$8,627
Jan 2017345049.413.42$17,046
Dec 2016176048.763.72$8,582
Nov 2016336042.492.64$14,277
Oct 2016177046.193.09$8,176
Sep 2016345041.553.10$14,335
Aug 2016161041.442.92$6,672
Jul 2016170041.622.92$7,075
Jun 2016333045.352.69$15,102
May 2016164042.521.99$6,973
Apr 2016343036.561.99$12,540
Mar 2016168033.011.79$5,546
Feb 2016503026.472.06$13,314
Jan 20160027.352.36$0
Dec 2015167032.362.00$5,404
Nov 2015330038.792.17$12,801
Oct 2015340043.552.43$14,807
Sep 2015173042.992.76$7,437
Aug 2015167040.162.87$6,707
Jul 2015327048.152.95$15,745
Jun 2015507056.152.88$28,468
May 20150055.212.96$0
Apr 2015160049.822.71$7,971
Mar 2015333042.892.93$14,282
Feb 2015173044.662.98$7,726
Jan 2015160043.433.10$6,949
Dec 2014337054.693.59$18,431
Nov 2014169070.464.25$11,908
Oct 2014336078.303.90$26,309
Sep 2014165086.164.05$14,216
Aug 2014338089.394.04$30,214
Jul 2014328096.564.18$31,672
Jun 2014177098.164.74$17,374
May 2014172094.734.73$16,294
Apr 2014175095.944.81$16,790
Mar 2014176095.895.06$16,877
Feb 2014349097.406.19$33,993
Jan 2014164090.404.86$14,826
Dec 2013350091.824.35$32,137
Nov 2013175088.853.74$15,549
Oct 2013179097.423.78$17,438
Sep 20133480104.113.72$36,230
Aug 20131770104.253.52$18,452
Jul 20131800102.523.72$18,454
Jun 2013347094.403.93$32,757
May 2013171094.834.15$16,216
Apr 2013350093.964.28$32,886
Mar 2013176093.623.91$16,477
Feb 2013176091.233.42$16,056
Jan 2013348091.603.42$31,877
Dec 2012173086.773.42$15,011
Nov 2012181086.953.62$15,738
Oct 2012341089.383.40$30,479
Sep 2012180094.672.92$17,041
Aug 2012179092.662.91$16,586
Jul 2012354085.133.02$30,136
Jun 2012179079.822.52$14,288
May 2012181091.612.49$16,581
Apr 20121790101.652.00$18,195
Mar 20123520105.052.22$36,978
Feb 20121680101.102.57$16,985
Jan 2012174098.092.73$17,068
Dec 20110096.873.24$0
Nov 20110095.723.31$0
Oct 20110084.983.65$0
Sep 2011355083.623.99$29,685
Aug 2011180083.404.15$15,012
Jul 2011178094.144.52$16,757
Jun 2011343092.904.64$31,865
May 2011173098.134.40$16,976
Apr 20113540105.964.33$37,510
Mar 2011354096.364.06$34,111
Feb 2011173085.644.18$14,816
Jan 2011352086.504.59$30,448
Dec 2010361085.734.35$30,949
Nov 2010179080.843.80$14,470
Oct 2010179078.103.51$13,980
Sep 2010177072.633.98$12,856
Aug 2010348073.684.42$25,641
Jul 2010344072.554.74$24,957
Jun 2010177070.364.91$12,454
May 2010357071.124.24$25,390
Apr 2010179081.694.12$14,623
Mar 2010349078.394.39$27,358
Feb 2010173073.585.44$12,729
Jan 2010513074.365.96$38,147
Dec 2009175071.445.48$12,502
Nov 2009180074.593.75$13,426
Oct 2009356072.544.11$25,824
Sep 2009168065.543.06$11,011
Aug 2009533067.423.22$35,935
Jul 2009176061.133.46$10,759
Jun 2009179066.163.90$11,843
May 2009354054.743.93$19,378
Apr 2009171046.773.59$7,998
Mar 2009357042.144.06$15,044
Feb 2009350032.814.63$11,484
Jan 2009355035.865.37$12,730
Dec 2008180037.105.98$6,678
Nov 2008355055.496.86$19,699
Oct 2008348075.246.92$26,184
Sep 20081790101.767.88$18,215
Aug 20083550114.228.48$40,548
Jul 20081750131.0811.39$22,939
Jun 20083540131.3313.03$46,491
May 20083450123.1711.57$42,494
Apr 20081810110.3110.45$19,966
Mar 20083400101.909.66$34,646
Feb 2008352092.538.77$32,571
Jan 2008355090.388.21$32,085
Dec 2007175088.337.30$15,458
Nov 2007352091.677.29$32,268
Oct 2007348082.856.92$28,832
Sep 2007177075.846.24$13,424
Aug 2007343069.066.39$23,688
Jul 2007358070.906.39$25,382
Jun 2007357062.007.55$22,134
May 2007169058.747.85$9,927
Apr 2007353059.617.81$21,042
Mar 2007357056.927.30$20,320
Feb 2007348055.108.22$19,175
Jan 2007183050.306.73$9,205
Dec 2006355056.656.92$20,111
Nov 2006358054.207.62$19,404
Oct 2006180054.906.01$9,882
Sep 2006360060.085.04$21,629
Aug 2006334068.717.34$22,949
Jul 2006351069.376.34$24,349
Jun 2006168066.286.38$11,135
May 2006341066.016.42$22,509
Apr 2006354064.397.36$22,794
Mar 2006360056.707.08$20,412
Feb 2006357057.597.75$20,560
Jan 2006355060.598.93$21,509
Dec 2005360054.9413.42$19,778
Nov 2005183054.6910.59$10,008
Oct 2005361058.3413.80$21,061
Sep 2005355061.4512.08$21,815
Aug 2005539061.519.80$33,154
Jul 2005349055.697.84$19,436
Jun 20050052.337.38$0
May 2005354045.226.65$16,008
Apr 2005174049.207.36$8,561
Mar 2005350050.377.15$17,630
Feb 2005349145.226.31$15,788
Jan 2005328143.166.32$14,163
Dec 2004510139.866.75$20,335
Nov 2004176145.286.33$7,976
Oct 2004512149.706.52$25,453
Sep 2004348143.245.28$15,053
Aug 2004354142.375.55$15,005
Jul 2004347138.286.08$13,289
Jun 2004352136.106.43$12,714
May 2004298137.486.49$11,176
Apr 2004355134.475.86$12,243
Mar 2004523134.365.53$17,976
Feb 2004355132.455.51$11,525
Jan 2004361132.036.30$11,569
Dec 2003345130.266.30$10,446
Nov 2003347128.804.60$9,998
Oct 2003520128.174.76$14,653
Sep 2003354126.314.75$9,318
Aug 2003513129.765.13$15,272
Jul 2003511129.415.17$15,034
Jun 2003354128.565.98$10,116
May 2003691126.595.97$18,380
Apr 2003179126.675.41$4,779
Mar 2003353131.146.10$10,999
Feb 2003340133.487.93$11,391
Jan 2003352130.315.58$10,675
Dec 2002353126.914.85$9,504
Nov 2002345124.664.14$8,512
Oct 2002176126.464.23$4,661
Sep 2002512127.443.64$14,053
Aug 2002519125.963.16$13,476
Jul 2002512124.583.06$12,588
Jun 2002164123.733.34$3,895
May 20020124.663.58$4
Apr 2002175123.653.51$4,142
Mar 2002178122.003.10$3,919
Feb 2002351118.222.38$6,398
Jan 2002164117.172.38$2,818
Dec 2001321116.932.36$5,437
Nov 2001177118.072.41$3,201
Oct 2001179019.782.53$3,541
Sep 2001179024.262.25$4,343
Aug 2001356024.873.05$8,854
Jul 2001174023.933.20$4,164
Jun 2001348024.563.82$8,547
May 2001176025.524.31$4,492
Apr 2001353024.685.34$8,712
Mar 2001181024.545.38$4,442
Feb 2001362027.755.77$10,046
Jan 2001363027.478.40$9,972
Dec 2000170026.889.12$4,570
Nov 2000363032.215.66$11,692
Oct 2000358031.235.15$11,180
Sep 2000348031.875.19$11,091
Aug 2000348029.644.54$10,315
Jul 2000347028.534.09$9,900
Jun 2000340029.304.40$9,962
May 20000027.263.68$0
Apr 2000351024.513.12$8,603
Mar 2000351028.422.86$9,975
Feb 2000180027.622.73$4,972
Jan 2000181025.272.48$4,574
Dec 1999180024.282.42$4,370
Nov 1999352023.192.43$8,163
Oct 1999179020.982.80$3,755
Sep 1999179021.752.62$3,893
Aug 1999356019.262.88$6,857
Jul 1999181017.892.37$3,238
Jun 1999353015.942.36$5,627
May 1999179015.792.32$2,826
Apr 1999357015.102.21$5,391
Mar 1999327012.471.84$4,078
Feb 199937209.981.82$3,713
Jan 1999174010.381.90$1,806
Dec 199818209.201.77$1,674
Nov 1998177010.892.19$1,928
Oct 1998176012.421.97$2,186
Sep 1998358012.592.08$4,507
Aug 1998342011.301.91$3,865
Jul 1998356011.742.24$4,179
Jun 1998355011.242.24$3,990
May 1998177012.622.21$2,234
Apr 1998523013.042.51$6,820
Mar 1998352012.802.31$4,506
Feb 1998181013.952.30$2,525
Jan 1998529014.702.15$7,776
Dec 1997179016.322.41$2,921
Nov 1997365018.193.09$6,639
Oct 1997415019.253.15$7,989
Sep 1997520017.742.95$9,225
Aug 1997535017.862.55$9,555
Jul 1997715017.582.25$12,570
Jun 1997353017.242.26$6,086
May 1997529018.972.31$10,035
Apr 1997526017.882.08$9,405
Mar 1997356018.951.94$6,746
Feb 1997360020.492.21$7,376
Jan 1997724023.483.54$17,000
Dec 1996671023.32$15,648
Nov 1996511021.97$11,227
Oct 1996719023.31$16,760
Sep 1996710022.22$15,776
Aug 1996883020.26$17,890
Jul 1996710019.55$13,881
Jun 1996712018.73$13,336
May 1996534019.43$10,376
Apr 1996719021.51$15,466
Mar 1996540019.38$10,465
Feb 1996542016.98$9,203
Jan 1996546017.07$9,320
Dec 1995713017.19$12,256
Nov 1995723016.00$11,568
Oct 1995540015.43$8,332
Sep 1995712016.18$11,520
Aug 1995345015.92$5,492
Jul 1995713015.24$10,866
Jun 1995530016.41$8,697
May 1995708017.56$12,432
Apr 1995538017.73$9,539
Mar 1995719016.44$11,820
Feb 1995516016.58$8,555
Jan 1995539015.92$8,581
Dec 1994543015.03$8,161
Nov 1994357015.90$5,676
Oct 1994713015.58$11,109
Sep 1994534115.29$8,165
Aug 1994714116.13$11,517
Jul 1994534117.56$9,377
Jun 1994709117.09$12,117
May 1994538115.88$8,543
Apr 1994180114.14$2,545
Mar 1994541112.46$6,741
Feb 1994359112.50$4,488
Jan 1994542112.66$6,862
Dec 1993543112.33$6,695
Nov 1993545114.49$7,897
Oct 1993539115.85$8,543
Sep 1993547115.03$8,221
Aug 1993535115.66$8,378
Jul 1993714115.46$11,038
Jun 1993534116.79$8,966
May 1993714117.68$12,624
Apr 1993537118.05$9,693
Mar 1993716118.14$12,988
Feb 1993542117.90$9,702
Jan 1993880116.93$14,898

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.

May 2026 — as filed, then multipliedworked
Oil                  168 bbl  × $106.41 =    $17,877
Casinghead gas         0 Mcf  × $  3.05 =         $0

────────────────────────────────────────────────────
Month total                                  $17,877

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. 8A/O/66616 is the state's own key, not one this site invented.