SHANNON

Operated by O'RYAN OIL AND GAS (P-5 617042) in the TODD (SAN ANDRES) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 13816District 7CField 90314400Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$1.5 M
Jun 1995 – May 2026
Value, last 12 filed months
$10 k
at the published price for each month
Months reported
372
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 24 leases and 50 wells, and the rule below applies to all of them.

Discovered
1951-08-29
as the register files it
Field class
Oil and gas
the register's own label
Between wells
933 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 40 acres.

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.

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
OilDisposition22,890 bbl$1,521,492
Casinghead gasProduction4,370 Mcf$21,616
Total$1,543,108

93 Mcf of this lease's gas, across 1 month, 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 30.8552, -101.4454. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.5 miles.

30.85520, -101.44543 · 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
0.0%
0 of 2 wells
With a plug date
50.0%
1 of 2 wells
Median depth
6,295 ft
2 wells filed one
Completion to plug
1 well filed both, dated out of order

What the state filed about each well

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

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 6,035 and 6,555 ft, median 6,295 ft, over the 2 wells that filed a depth.

Completions filed
Jun 1995 – Apr 2003
2 of 2 wells
Plug dates filed
Aug 1993
1 of 2 wells; 1 filed none

Last completion to plug: no median is published. 1 well on this lease filed both dates, and on that one the last completion is dated after the plug date, so there is no interval to take a median of. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

2 wells

42-1050039766,555 ftApr 2003Aug 1993
42-1050039876,035 ftJun 1995

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 (372)

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

372 months

May 2026130106.413.05$1,383
Apr 202610098.932.87$989
Mar 202610089.753.15$898
Feb 20267063.503.75$445
Jan 202610059.138.00$591
Dec 202513056.664.41$737
Nov 202513058.593.93$762
Oct 202513059.383.30$772
Sep 202516062.743.08$1,004
Aug 20253063.933.01$192
Jul 202516066.743.32$1,068
Jun 202516066.483.13$1,064
May 202513060.553.23$787
Apr 20256062.363.54$374
Mar 20253067.704.27$203
Feb 202513070.884.34$921
Jan 202513074.324.28$966
Dec 202413068.993.12$897
Nov 202413069.052.20$898
Oct 202410071.372.28$714
Sep 20243069.612.36$209
Aug 20243075.632.06$227
Jul 20240079.932.15$0
Jun 20240078.082.63$0
May 20240078.812.20$0
Apr 20240084.451.66$0
Mar 20240080.301.55$0
Feb 20240076.091.78$0
Jan 20240073.023.30$0
Dec 20230071.262.61$0
Nov 20230077.892.81$0
Oct 20233085.443.09$256
Sep 202320089.042.74$1,781
Aug 202320080.522.67$1,610
Jul 202331074.852.64$2,320
Jun 202328068.962.26$1,931
May 202334070.622.23$2,401
Apr 202333078.122.24$2,578
Mar 202323072.852.39$1,676
Feb 202329075.112.47$2,178
Jan 202310076.533.39$765
Dec 202233076.415.73$2,522
Nov 202230085.005.65$2,550
Oct 202233087.185.86$2,877
Sep 202227084.888.16$2,292
Aug 202227094.529.13$2,552
Jul 20221,9100101.587.54$194,018
Jun 202200115.097.98$0
May 202200109.378.43$0
Apr 202200104.226.84$0
Mar 202270108.885.08$762
Feb 20223091.054.86$273
Jan 202214081.844.54$1,146
Dec 202116071.323.90$1,141
Nov 202136077.435.24$2,787
Oct 202136079.795.71$2,872
Sep 202113069.865.35$908
Aug 202123066.024.22$1,518
Jul 202143070.783.98$3,044
Jun 202123069.493.38$1,598
May 202123063.483.02$1,460
Apr 202153060.362.76$3,199
Mar 202159061.302.72$3,617
Feb 202136057.805.55$2,081
Jan 20210050.412.81$0
Dec 20206044.642.68$268
Nov 20206038.772.71$233
Oct 20200036.972.48$0
Sep 20200037.091.99$0
Aug 20207039.982.39$280
Jul 20206038.371.83$230
Jun 20206034.901.69$209
May 20206016.921.81$102
Apr 20207014.751.80$103
Mar 202016030.341.86$485
Feb 202022049.881.98$1,097
Jan 202051057.252.09$2,920
Dec 201939059.012.30$2,301
Nov 201948055.302.75$2,654
Oct 201939053.472.42$2,085
Sep 201942055.052.66$2,312
Aug 201936053.112.30$1,912
Jul 201941056.272.46$2,307
Jun 201943252.782.49$2,275
May 201941958.482.74$2,422
Apr 2019351362.632.75$2,228
Mar 201939656.803.06$2,234
Feb 2019401250.852.79$2,068
Jan 2019341046.033.23$1,597
Dec 2018401046.594.19$1,905
Nov 2018471652.934.24$2,556
Oct 201848961.443.40$2,980
Sep 2018381359.543.11$2,303
Aug 2018431759.403.07$2,606
Jul 2018391865.142.93$2,593
Jun 2018441360.183.08$2,688
May 2018321465.382.90$2,133
Apr 201849563.842.90$3,143
Mar 2018421261.222.79$2,605
Feb 201823861.782.77$1,443
Jan 201840862.874.01$2,547
Dec 201729757.272.92$1,681
Nov 201731455.423.12$1,730
Oct 201735149.292.98$1,728
Sep 201724147.523.09$1,144
Aug 201715945.373.00$708
Jul 201732943.873.09$1,432
Jun 201771042.493.09$328
May 2017241045.373.26$1,122
Apr 2017331047.933.21$1,614
Mar 2017681646.772.98$3,228
Feb 2017621750.452.95$3,178
Jan 2017881649.413.42$4,403
Dec 2016741648.763.72$3,668
Nov 2016141842.492.64$642
Oct 20169546.193.09$431
Sep 2016491641.553.10$2,086
Aug 2016612241.442.92$2,592
Jul 2016461841.622.92$1,967
Jun 2016511745.352.69$2,359
May 2016561842.521.99$2,417
Apr 2016581836.561.99$2,156
Mar 2016142233.011.79$502
Feb 2016632126.472.06$1,711
Jan 2016871227.352.36$2,408
Dec 201556032.362.00$1,812
Nov 201550038.792.17$1,940
Oct 201549043.552.43$2,134
Sep 201550042.992.76$2,150
Aug 201544040.162.87$1,767
Jul 201545748.152.95$2,187
Jun 2015521956.152.88$2,975
May 2015491755.212.96$2,756
Apr 2015511349.822.71$2,576
Mar 201579142.892.93$3,391
Feb 2015662244.662.98$3,013
Jan 2015712443.433.10$3,158
Dec 2014792654.693.59$4,414
Nov 2014552070.464.25$3,960
Oct 2014742678.303.90$5,896
Sep 2014551986.164.05$4,816
Aug 2014571889.394.04$5,168
Jul 2014142196.564.18$1,440
Jun 2014421798.164.74$4,203
May 2014692194.734.73$6,636
Apr 2014692095.944.81$6,716
Mar 2014792295.895.06$7,687
Feb 2014871297.406.19$8,548
Jan 2014642290.404.86$5,893
Dec 2013881791.824.35$8,154
Nov 2013611488.853.74$5,472
Oct 2013202097.423.78$2,024
Sep 20135816104.113.72$6,098
Aug 20137120104.253.52$7,472
Jul 20138517102.523.72$8,777
Jun 2013671994.403.93$6,400
May 2013821794.834.15$7,847
Apr 2013921993.964.28$8,726
Mar 2013872493.623.91$8,239
Feb 2013931991.233.42$8,549
Jan 2013912091.603.42$8,404
Dec 2012822086.773.42$7,184
Nov 2012992486.953.62$8,695
Oct 2012722489.383.40$6,517
Sep 2012851994.672.92$8,102
Aug 2012872292.662.91$8,125
Jul 2012902185.133.02$7,725
Jun 2012892679.822.52$7,169
May 20121093091.612.49$10,060
Apr 201210131101.652.00$10,329
Mar 201210832105.052.22$11,417
Feb 201210929101.102.57$11,094
Jan 20121062598.092.73$10,466
Dec 20111142896.873.24$11,134
Nov 2011812095.723.31$7,820
Oct 20111123384.983.65$9,638
Sep 20111123183.623.99$9,489
Aug 20111093283.404.15$9,223
Jul 20111152994.144.52$10,957
Jun 20111352992.904.64$12,676
May 20111042998.134.40$10,333
Apr 201110731105.964.33$11,472
Mar 20111093196.364.06$10,629
Feb 2011832185.644.18$7,196
Jan 20111142986.504.59$9,994
Dec 20101113185.734.35$9,651
Nov 20101012980.843.80$8,275
Oct 20101062778.103.51$8,373
Sep 20101043172.633.98$7,677
Aug 20101433373.684.42$10,682
Jul 2010812872.554.74$6,009
Jun 2010983270.364.91$7,052
May 2010293571.124.24$2,211
Apr 20101143181.694.12$9,440
Mar 20101112878.394.39$8,824
Feb 2010942673.585.44$7,058
Jan 20101012674.365.96$7,665
Dec 20091163071.445.48$8,452
Nov 20091082974.593.75$8,165
Oct 20091002672.544.11$7,361
Sep 20091033065.543.06$6,843
Aug 2009283567.423.22$2,000
Jul 2009263461.133.46$1,707
Jun 2009263166.163.90$1,841
May 20091293354.743.93$7,191
Apr 20091062746.773.59$5,054
Mar 20091263142.144.06$5,435
Feb 2009922432.814.63$3,130
Jan 20091302735.865.37$4,807
Dec 20081362837.105.98$5,213
Nov 20081333055.496.86$7,586
Oct 20081212875.246.92$9,298
Sep 20088623101.767.88$8,933
Aug 200811930114.228.48$13,847
Jul 200812435131.0811.39$16,653
Jun 200812129131.3313.03$16,269
May 200812830123.1711.57$16,113
Apr 200810720110.3110.45$12,012
Mar 200811828101.909.66$12,295
Feb 20081112292.538.77$10,464
Jan 20081142590.388.21$10,508
Dec 20071312988.337.30$11,783
Nov 20071222991.677.29$11,395
Oct 20071353282.856.92$11,406
Sep 20071353275.846.24$10,438
Aug 20071242869.066.39$8,742
Jul 20071333170.906.39$9,628
Jun 20071172762.007.55$7,458
May 20071202958.747.85$7,276
Apr 2007742559.617.81$4,606
Mar 2007742056.927.30$4,358
Feb 2007741855.108.22$4,225
Jan 2007751850.306.73$3,894
Dec 2006761756.656.92$4,423
Nov 2006801954.207.62$4,481
Oct 2006782254.906.01$4,415
Sep 2006662460.085.04$4,086
Aug 2006933168.717.34$6,618
Jul 2006993469.376.34$7,083
Jun 2006842066.286.38$5,695
May 2006773266.016.42$5,288
Apr 2006733764.397.36$4,973
Mar 20066033156.707.08$34,410
Feb 20064952557.597.75$28,701
Jan 20065882860.598.93$35,877
Dec 20056472154.9413.42$35,828
Nov 20056112854.6910.59$33,712
Oct 20053711758.3413.80$21,879
Sep 2005631761.4512.08$4,077
Aug 2005711761.519.80$4,534
Jul 2005861855.697.84$4,931
Jun 2005912352.337.38$4,932
May 2005821945.226.65$3,834
Apr 2005801049.207.36$4,010
Mar 2005751650.377.15$3,892
Feb 2005631645.226.31$2,950
Jan 2005781643.166.32$3,468
Dec 2004771939.866.75$3,197
Nov 2004792045.286.33$3,704
Oct 200474049.706.52$3,678
Sep 2004832143.245.28$3,700
Aug 2004851642.375.55$3,690
Jul 2004541438.286.08$2,152
Jun 2004691536.106.43$2,587
May 2004641637.486.49$2,503
Apr 2004651534.475.86$2,328
Mar 2004711534.365.53$2,523
Feb 2004651532.455.51$2,192
Jan 2004751332.036.30$2,484
Dec 2003791530.266.30$2,485
Nov 2003682128.804.60$2,055
Oct 2003731428.174.76$2,123
Sep 2003671526.314.75$1,834
Aug 2003661229.765.13$2,026
Jul 2003662229.415.17$2,055
Jun 2003751728.565.98$2,244
May 2003831726.595.97$2,309
Apr 2003861926.675.41$2,396
Mar 2003761631.146.10$2,464
Feb 2003371133.487.93$1,326
Jan 2003441330.315.58$1,406
Dec 2002411226.914.85$1,162
Nov 2002471224.664.14$1,209
Oct 2002501326.464.23$1,378
Sep 200240027.443.64$1,098
Aug 2002381425.963.16$1,031
Jul 2002371124.583.06$943
Jun 2002431323.733.34$1,064
May 2002431424.663.58$1,111
Apr 2002451323.653.51$1,110
Mar 2002521222.003.10$1,181
Feb 2002601318.222.38$1,124
Jan 2002701417.172.38$1,235
Dec 20011031416.932.36$1,777
Nov 20011021218.072.41$1,872
Oct 2001861319.782.53$1,734
Sep 2001851324.262.25$2,091
Aug 2001891324.873.05$2,253
Jul 2001831323.933.20$2,028
Jun 20011022424.563.82$2,597
May 20011082225.524.31$2,851
Apr 2001892024.685.34$2,303
Mar 20010024.545.38$0
Feb 20010027.755.77$0
Jan 20010027.478.40$0
Dec 20000026.889.12$0
Nov 20000032.215.66$0
Oct 20000031.235.15$0
Sep 20000031.875.19$0
Aug 20000029.644.54$0
Jul 20000028.534.09$0
Jun 20000029.304.40$0
May 20000027.263.68$0
Apr 20000024.513.12$0
Mar 20000028.422.86$0
Feb 20000027.622.73$0
Jan 20000025.272.48$0
Dec 19990024.282.42$0
Nov 19990023.192.43$0
Oct 19990020.982.80$0
Sep 19990021.752.62$0
Aug 19990019.262.88$0
Jul 19990017.892.37$0
Jun 19990015.942.36$0
May 19990015.792.32$0
Apr 19990015.102.21$0
Mar 19990012.471.84$0
Feb 1999009.981.82$0
Jan 19990010.381.90$0
Dec 1998009.201.77$0
Nov 19980010.892.19$0
Oct 19980012.421.97$0
Sep 19980012.592.08$0
Aug 19980011.301.91$0
Jul 19980011.742.24$0
Jun 19980011.242.24$0
May 19980012.622.21$0
Apr 19980013.042.51$0
Mar 19980012.802.31$0
Feb 19980013.952.30$0
Jan 19980014.702.15$0
Dec 19970016.322.41$0
Nov 19970018.193.09$0
Oct 19970019.253.15$0
Sep 19970017.742.95$0
Aug 19970017.862.55$0
Jul 19970017.582.25$0
Jun 19970017.242.26$0
May 19970018.972.31$0
Apr 19970017.882.08$0
Mar 19970018.951.94$0
Feb 19970020.492.21$0
Jan 19970023.483.54$0
Dec 19960023.32$0
Nov 19960021.97$0
Oct 19960023.31$0
Sep 19960022.22$0
Aug 19960020.26$0
Jul 19960019.55$0
Jun 19960018.73$0
May 19960019.43$0
Apr 19960021.51$0
Mar 19960019.38$0
Feb 19960016.98$0
Jan 19960017.07$0
Dec 19950017.19$0
Nov 19950016.00$0
Oct 19950015.43$0
Sep 19950016.18$0
Aug 199521015.92$334
Jul 19952669315.24$4,054
Jun 19950016.41$0

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                   13 bbl  × $106.41 =     $1,383
Casinghead gas         0 Mcf  × $  3.05 =         $0

────────────────────────────────────────────────────
Month total                                   $1,383

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. 7C/O/13816 is the state's own key, not one this site invented.