DUNCAN HEIRS "B"

Operated by SOJOURNER DRILLING CORPORATION (P-5 800750) in the COLEMAN COUNTY REGULAR field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 16279District 7BField 19511001OilCasinghead gasSaveExport
Value, all time
$1.3 M
Jan 1993 – May 2026
Value, last 12 filed months
$21 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 892 leases and 2,428 wells, and the rule below applies to all of them.

Discovered
1910-12-31
as the register files it
Field class
Oil and gas
the register's own label
Between wells
no field rule filed
From a lease line
no field rule filed

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
OilDisposition18,700 bbl$1,027,828
Casinghead gasProduction107,149 Mcf$292,259
Total$1,320,087

19,533 Mcf of this lease's gas, across 48 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 (3)

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 31.8414, -99.6524. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

31.84099, -99.65275 · 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 3 wells
With a plug date
0.0%
0 of 3 wells
Median depth
3,489 ft
3 wells filed one
Completion to plug
no well filed both dates

What the state filed about each well

On the RRC proration schedule
00.0%
A plug date is filed
00.0%
BothOn the schedule and plugged. Neither fact cancels the other.
00.0%
NeitherNo plug date, and not on the schedule.
3100.0%

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 2,160 and 3,615 ft, median 3,489 ft, over the 3 wells that filed a depth.

Completions filed
Jul 1983 – Feb 2023
3 of 3 wells

3 wells

42-0830509013,615 ftFeb 2023
42-0830509833,489 ftSep 2017
42-0833022122,160 ftJul 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 202600106.413.05$0
Apr 202603098.932.87$86
Mar 20260589.753.15$16
Feb 202657063.503.75$3,620
Jan 20260059.138.00$0
Dec 202503356.664.41$146
Nov 202504758.593.93$185
Oct 2025995759.383.30$6,067
Sep 202505662.743.08$172
Aug 2025418263.933.01$2,868
Jul 2025010966.743.32$361
Jun 20251088466.483.13$7,443
May 2025012860.553.23$414
Apr 202513413562.363.54$8,835
Mar 202518311767.704.27$12,888
Feb 202509370.884.34$404
Jan 2025010274.324.28$436
Dec 202416211668.993.12$11,538
Nov 202418211569.052.20$12,820
Oct 2024010771.372.28$244
Sep 202418116669.612.36$12,992
Aug 2024018675.632.06$384
Jul 202414319079.932.15$11,838
Jun 202414754678.082.63$12,916
May 202432121178.812.20$25,762
Apr 202425023384.451.66$21,499
Mar 202435812580.301.55$28,941
Feb 202435021876.091.78$27,020
Jan 202405273.023.30$171
Dec 20230071.262.61$0
Nov 20230077.892.81$0
Oct 20230085.443.09$0
Sep 20230089.042.74$0
Aug 20230080.522.67$0
Jul 20230074.852.64$0
Jun 20230068.962.26$0
May 20230070.622.23$0
Apr 20230078.122.24$0
Mar 20230072.852.39$0
Feb 20230075.112.47$0
Jan 20230076.533.39$0
Dec 20220076.415.73$0
Nov 20220085.005.65$0
Oct 20220087.185.86$0
Sep 20220084.888.16$0
Aug 20220094.529.13$0
Jul 202200101.587.54$0
Jun 202200115.097.98$0
May 2022360109.378.43$3,937
Apr 20221929104.226.84$2,178
Mar 2022069108.885.08$350
Feb 202209891.054.86$476
Jan 2022012481.844.54$563
Dec 202114516871.323.90$10,996
Nov 2021020377.435.24$1,063
Oct 2021025179.795.71$1,434
Sep 202117128069.865.35$13,444
Aug 2021034366.024.22$1,448
Jul 202117238770.783.98$13,715
Jun 2021048669.493.38$1,643
May 202117776063.483.02$13,529
Apr 2021012460.362.76$342
Mar 20210061.302.72$0
Feb 20210057.805.55$0
Jan 20210050.412.81$0
Dec 20200544.642.68$13
Nov 2020601338.772.71$2,361
Oct 202003136.972.48$77
Sep 202005937.091.99$117
Aug 202008639.982.39$205
Jul 202035511038.371.83$13,822
Jun 2020016334.901.69$276
May 2020020116.921.81$365
Apr 2020018614.751.80$336
Mar 2020023830.341.86$442
Feb 20209425049.881.98$5,184
Jan 2020029257.252.09$612
Dec 201912830559.012.30$8,256
Nov 2019034655.302.75$952
Oct 201918041153.472.42$10,619
Sep 2019046555.052.66$1,236
Aug 201915748253.112.30$9,449
Jul 201917952156.272.46$11,354
Jun 2019049452.782.49$1,231
May 201917253158.482.74$11,514
Apr 201917446862.632.75$12,185
Mar 201917851556.803.06$11,687
Feb 201918248550.852.79$10,609
Jan 201935855146.033.23$18,257
Dec 201817155146.594.19$10,273
Nov 201836156652.934.24$21,506
Oct 201835270761.443.40$24,029
Sep 201835880759.543.11$23,823
Aug 20185141,04259.403.07$33,727
Jul 20186971,31065.142.93$49,243
Jun 201835559560.183.08$23,195
May 20186982,32765.382.90$52,385
Apr 20187122,52263.842.90$52,770
Mar 20188982,77961.222.79$62,720
Feb 20187242,58961.782.77$51,890
Jan 20189073,18162.874.01$69,777
Dec 20178934,07057.272.92$63,033
Nov 20171,0685,13255.423.12$75,192
Oct 20171,2188,30949.292.98$84,827
Sep 20171302,72047.523.09$14,575
Aug 20170045.373.00$0
Jul 20170043.873.09$0
Jun 20170042.493.09$0
May 20170045.373.26$0
Apr 20170047.933.21$0
Mar 20170046.772.98$0
Feb 20170050.452.95$0
Jan 20170049.413.42$0
Dec 20160048.763.72$0
Nov 20160042.492.64$0
Oct 20160046.193.09$0
Sep 20160041.553.10$0
Aug 20160041.442.92$0
Jul 20160041.622.92$0
Jun 20160045.352.69$0
May 20160042.521.99$0
Apr 20160036.561.99$0
Mar 20160033.011.79$0
Feb 20160026.472.06$0
Jan 20160027.352.36$0
Dec 20150032.362.00$0
Nov 20150038.792.17$0
Oct 20150043.552.43$0
Sep 20150042.992.76$0
Aug 20150040.162.87$0
Jul 20150048.152.95$0
Jun 20150056.152.88$0
May 20150055.212.96$0
Apr 20150049.822.71$0
Mar 20150042.892.93$0
Feb 20150044.662.98$0
Jan 20150043.433.10$0
Dec 20140054.693.59$0
Nov 20140070.464.25$0
Oct 20140078.303.90$0
Sep 20140086.164.05$0
Aug 20140089.394.04$0
Jul 20140096.564.18$0
Jun 20140098.164.74$0
May 20140094.734.73$0
Apr 20140095.944.81$0
Mar 20140095.895.06$0
Feb 20140097.406.19$0
Jan 20140090.404.86$0
Dec 20130091.824.35$0
Nov 20130088.853.74$0
Oct 20130097.423.78$0
Sep 201300104.113.72$0
Aug 201300104.253.52$0
Jul 201300102.523.72$0
Jun 20130094.403.93$0
May 20130094.834.15$0
Apr 20130093.964.28$0
Mar 20130093.623.91$0
Feb 20130091.233.42$0
Jan 20130091.603.42$0
Dec 20120086.773.42$0
Nov 20120086.953.62$0
Oct 20120089.383.40$0
Sep 20120094.672.92$0
Aug 20120092.662.91$0
Jul 20120085.133.02$0
Jun 20120079.822.52$0
May 20120091.612.49$0
Apr 201200101.652.00$0
Mar 201200105.052.22$0
Feb 201200101.102.57$0
Jan 20120098.092.73$0
Dec 20110096.873.24$0
Nov 20110095.723.31$0
Oct 20110084.983.65$0
Sep 20110083.623.99$0
Aug 20110083.404.15$0
Jul 20110094.144.52$0
Jun 20110092.904.64$0
May 20110098.134.40$0
Apr 201100105.964.33$0
Mar 20110096.364.06$0
Feb 20110085.644.18$0
Jan 20110086.504.59$0
Dec 20100085.734.35$0
Nov 20100080.843.80$0
Oct 20100078.103.51$0
Sep 20100072.633.98$0
Aug 20100073.684.42$0
Jul 20100072.554.74$0
Jun 20100070.364.91$0
May 20100071.124.24$0
Apr 20100081.694.12$0
Mar 20100078.394.39$0
Feb 20100073.585.44$0
Jan 20100074.365.96$0
Dec 20090071.445.48$0
Nov 20090074.593.75$0
Oct 20090072.544.11$0
Sep 20090065.543.06$0
Aug 20090067.423.22$0
Jul 20090061.133.46$0
Jun 20090066.163.90$0
May 20090054.743.93$0
Apr 20090046.773.59$0
Mar 20090042.144.06$0
Feb 20090032.814.63$0
Jan 20090035.865.37$0
Dec 20080037.105.98$0
Nov 20080055.496.86$0
Oct 20080075.246.92$0
Sep 200800101.767.88$0
Aug 200800114.228.48$0
Jul 200800131.0811.39$0
Jun 200800131.3313.03$0
May 200800123.1711.57$0
Apr 200800110.3110.45$0
Mar 200800101.909.66$0
Feb 20080092.538.77$0
Jan 20080090.388.21$0
Dec 20070088.337.30$0
Nov 20070091.677.29$0
Oct 20070082.856.92$0
Sep 20070075.846.24$0
Aug 20070069.066.39$0
Jul 20070070.906.39$0
Jun 20070062.007.55$0
May 20070058.747.85$0
Apr 20070059.617.81$0
Mar 20070056.927.30$0
Feb 20070055.108.22$0
Jan 20070050.306.73$0
Dec 20060056.656.92$0
Nov 20060054.207.62$0
Oct 20060054.906.01$0
Sep 20060060.085.04$0
Aug 20060068.717.34$0
Jul 20060069.376.34$0
Jun 20060066.286.38$0
May 200629066.016.42$1,914
Apr 20060064.397.36$0
Mar 20060056.707.08$0
Feb 20060057.597.75$0
Jan 20060560.598.93$45
Dec 20050054.9413.42$0
Nov 2005531454.6910.59$3,047
Oct 200509958.3413.80$1,366
Sep 2005010561.4512.08$1,268
Aug 2005018961.519.80$1,852
Jul 20055913255.697.84$4,321
Jun 20052813852.337.38$2,484
May 2005017445.226.65$1,157
Apr 2005017649.207.36$1,295
Mar 2005010150.377.15$723
Feb 20055920445.226.31$3,956
Jan 2005019543.166.32$1,233
Dec 2004016539.866.75$1,114
Nov 2004013645.286.33$861
Oct 2004015449.706.52$1,003
Sep 20046411143.245.28$3,354
Aug 2004015142.375.55$838
Jul 2004016638.286.08$1,010
Jun 2004024736.106.43$1,589
May 20049719837.486.49$4,921
Apr 2004019234.475.86$1,125
Mar 2004028534.365.53$1,576
Feb 2004021032.455.51$1,157
Jan 20045030132.036.30$3,498
Dec 20035523330.266.30$3,133
Nov 2003027128.804.60$1,245
Oct 2003020728.174.76$985
Sep 2003027026.314.75$1,282
Aug 2003017229.765.13$882
Jul 2003023729.415.17$1,225
Jun 20038531228.565.98$4,294
May 2003023326.595.97$1,392
Apr 2003035226.675.41$1,903
Mar 2003033631.146.10$2,048
Feb 2003036233.487.93$2,869
Jan 20037037230.315.58$4,198
Dec 2002029926.914.85$1,451
Nov 2002029624.664.14$1,225
Oct 20026524626.464.23$2,760
Sep 2002031727.443.64$1,152
Aug 2002030325.963.16$959
Jul 2002052024.583.06$1,592
Jun 2002084123.733.34$2,807
May 200211042724.663.58$4,243
Apr 2002051623.653.51$1,812
Mar 20024047822.003.10$2,363
Feb 2002036718.222.38$872
Jan 2002069617.172.38$1,653
Dec 2001047816.932.36$1,130
Nov 2001038218.072.41$919
Oct 2001045719.782.53$1,156
Sep 200113938224.262.25$4,232
Aug 2001035824.873.05$1,093
Jul 2001045923.933.20$1,467
Jun 2001024924.563.82$952
May 2001029425.524.31$1,266
Apr 2001049324.685.34$2,630
Mar 2001026924.545.38$1,446
Feb 20019630427.755.77$4,417
Jan 2001035927.478.40$3,015
Dec 2000027426.889.12$2,500
Nov 2000027932.215.66$1,579
Oct 2000031231.235.15$1,605
Sep 20002155931.875.19$3,569
Aug 2000029129.644.54$1,321
Jul 200010853628.534.09$5,273
Jun 2000018429.304.40$809
May 2000021727.263.68$799
Apr 2000049424.513.12$1,539
Mar 2000022928.422.86$655
Feb 2000043227.622.73$1,178
Jan 2000032325.272.48$801
Dec 1999047924.282.42$1,161
Nov 1999042923.192.43$1,044
Oct 1999027720.982.80$777
Sep 1999047921.752.62$1,254
Aug 1999033219.262.88$955
Jul 19995437517.892.37$1,856
Jun 1999042215.942.36$997
May 1999041215.792.32$956
Apr 199911141415.102.21$2,590
Mar 1999029012.471.84$533
Feb 199905709.981.82$1,036
Jan 1999041010.381.90$779
Dec 199804449.201.77$787
Nov 1998038010.892.19$831
Oct 19980012.421.97$0
Sep 199814140012.592.08$2,608
Aug 1998634511.301.91$726
Jul 1998958611.742.24$1,417
Jun 1998036211.242.24$810
May 1998070912.622.21$1,564
Apr 1998054013.042.51$1,353
Mar 1998035812.802.31$827
Feb 1998034413.952.30$791
Jan 199810133914.702.15$2,215
Dec 1997034216.322.41$825
Nov 1997033918.193.09$1,047
Oct 199714234219.253.15$3,811
Sep 1997040917.742.95$1,209
Aug 1997036517.862.55$932
Jul 1997034617.582.25$777
Jun 1997027217.242.26$614
May 1997023418.972.31$540
Apr 1997026817.882.08$558
Mar 199714325618.951.94$3,206
Feb 1997022120.492.21$488
Jan 1997032123.483.54$1,136
Dec 1996029923.32$0
Nov 1996022321.97$0
Oct 1996024623.31$0
Sep 1996037622.22$0
Aug 1996043720.26$0
Jul 199613829219.55$2,698
Jun 1996019218.73$0
May 1996028319.43$0
Apr 1996027121.51$0
Mar 1996025219.38$0
Feb 1996027516.98$0
Jan 1996027317.07$0
Dec 199515829717.19$2,716
Nov 1995030216.00$0
Oct 1995030615.43$0
Sep 1995030216.18$0
Aug 1995027915.92$0
Jul 1995035215.24$0
Jun 1995051716.41$0
May 1995040817.56$0
Apr 199514435617.73$2,553
Mar 1995046916.44$0
Feb 1995033316.58$0
Jan 1995035815.92$0
Dec 1994039015.03$0
Nov 1994045015.90$0
Oct 1994051815.58$0
Sep 199414839615.29$2,263
Aug 1994042516.13$0
Jul 1994039217.56$0
Jun 1994034117.09$0
May 1994047715.88$0
Apr 1994042014.14$0
Mar 1994039412.46$0
Feb 199415853812.50$1,975
Jan 1994043912.66$0
Dec 1993055712.33$0
Nov 1993064614.49$0
Oct 1993084315.85$0
Sep 1993080615.03$0
Aug 1993036715.66$0
Jul 199316149315.46$2,489
Jun 1993037716.79$0
May 1993043617.68$0
Apr 1993051818.05$0
Mar 1993050818.14$0
Feb 199314957117.90$2,667
Jan 1993053316.93$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.

Apr 2026 — as filed, then multipliedworked
Oil                    0 bbl  × $ 98.93 =         $0
Casinghead gas        30 Mcf  × $  2.87 =        $86

────────────────────────────────────────────────────
Month total                                      $86

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. 7B/O/16279 is the state's own key, not one this site invented.