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SCHARBAUER

Operated by DIAMONDBACK E&P LLC (P-5 217012) in the HALLANAN (STRAWN) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 23889District 08Field 38227333Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$1.4 M
Jan 1993 – May 2026
Value, last 12 filed months
$0
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
oil, casinghead gas

The HALLANAN (STRAWN) field

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 38 wells, and the rule below applies to all of them.

Discovered
1952-10-15
as the register files it
Field class
Oil and gas
the register's own label
Between wells
1,320 ft
minimum
From a lease line
660 ft
minimum

A drilling unit in this field needs at least 80 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
OilDisposition20,384 bbl$646,998
Casinghead gasProduction197,300 Mcf$723,667
Total$1,370,664

53,493 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 (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 31.9735, -102.2693. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

31.97350, -102.26928 · 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
50.0%
1 of 2 wells
Median depth
10,823 ft
2 wells filed one
Completion to plug
—
no well filed both dates

What the state filed about each well

On the RRC proration schedule
150.0%
A plug date is filed
150.0%
BothOn the schedule and plugged. Neither fact cancels the other.
150.0%
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 10,820 and 10,825 ft, median 10,823 ft, over the 2 wells that filed a depth.

Completions filed
Jul 2013
1 of 2 wells; 1 filed none
Plug dates filed
May 1984
1 of 2 wells; 1 filed none

2 wells

42-32930400210,820 ft—May 1984Yes
42-32930358110,825 ftJul 2013——

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 20260089.753.15$0
Feb 20260063.503.75$0
Jan 20260059.138.00$0
Dec 20250056.664.41$0
Nov 20250058.593.93$0
Oct 20250059.383.30$0
Sep 20250062.743.08$0
Aug 20250063.933.01$0
Jul 20250066.743.32$0
Jun 20250066.483.13$0
May 20250060.553.23$0
Apr 20250062.363.54$0
Mar 20250067.704.27$0
Feb 20250070.884.34$0
Jan 20250074.324.28$0
Dec 20240068.993.12$0
Nov 20240069.052.20$0
Oct 20240071.372.28$0
Sep 20240069.612.36$0
Aug 20240075.632.06$0
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 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 202200109.378.43$0
Apr 202200104.226.84$0
Mar 202200108.885.08$0
Feb 20220091.054.86$0
Jan 20220081.844.54$0
Dec 20210071.323.90$0
Nov 20210077.435.24$0
Oct 20210079.795.71$0
Sep 20210069.865.35$0
Aug 20210066.024.22$0
Jul 20210070.783.98$0
Jun 20210069.493.38$0
May 20210063.483.02$0
Apr 20210060.362.76$0
Mar 20210061.302.72$0
Feb 20210057.805.55$0
Jan 20210050.412.81$0
Dec 20200044.642.68$0
Nov 20200038.772.71$0
Oct 20200036.972.48$0
Sep 20200037.091.99$0
Aug 20200039.982.39$0
Jul 20200038.371.83$0
Jun 20200034.901.69$0
May 20200016.921.81$0
Apr 20200014.751.80$0
Mar 20200030.341.86$0
Feb 20200049.881.98$0
Jan 20200057.252.09$0
Dec 20190059.012.30$0
Nov 20190055.302.75$0
Oct 20190053.472.42$0
Sep 20190055.052.66$0
Aug 20190053.112.30$0
Jul 20190056.272.46$0
Jun 20190052.782.49$0
May 20190058.482.74$0
Apr 20190062.632.75$0
Mar 20190056.803.06$0
Feb 20190050.852.79$0
Jan 20190046.033.23$0
Dec 20180046.594.19$0
Nov 20180052.934.24$0
Oct 20180061.443.40$0
Sep 20180059.543.11$0
Aug 20180059.403.07$0
Jul 20180065.142.93$0
Jun 20180060.183.08$0
May 20180065.382.90$0
Apr 20180063.842.90$0
Mar 20180061.222.79$0
Feb 20180061.782.77$0
Jan 20180062.874.01$0
Dec 20170057.272.92$0
Nov 20170055.423.12$0
Oct 20170049.292.98$0
Sep 20170047.523.09$0
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 20093083067.423.22$20,862
Jul 200901,40861.133.46$4,878
Jun 200901,36066.163.90$5,297
May 20093671,33654.743.93$25,334
Apr 200901,31846.773.59$4,728
Mar 200901,32642.144.06$5,382
Feb 20093631,10732.814.63$17,039
Jan 200901,37935.865.37$7,407
Dec 200801,28137.105.98$7,657
Nov 20083441,15855.496.86$27,033
Oct 200801,00875.246.92$6,977
Sep 20080803101.767.88$6,325
Aug 200801,310114.228.48$11,113
Jul 20081751,291131.0811.39$37,643
Jun 20080821131.3313.03$10,700
May 20080675123.1711.57$7,813
Apr 2008170815110.3110.45$27,273
Mar 20080817101.909.66$7,896
Feb 2008094192.538.77$8,253
Jan 2008077890.388.21$6,384
Dec 200717658088.337.30$19,781
Nov 2007089791.677.29$6,541
Oct 2007082782.856.92$5,724
Sep 200716788075.846.24$18,160
Aug 2007038169.066.39$2,434
Jul 200712156170.906.39$12,163
Jun 200717799062.007.55$18,447
May 2007099658.747.85$7,815
Apr 2007093259.617.81$7,274
Mar 20071791,00856.927.30$17,549
Feb 200717186255.108.22$16,504
Jan 2007094650.306.73$6,364
Dec 200617397756.656.92$16,560
Nov 2006098354.207.62$7,488
Oct 20061481,03254.906.01$14,331
Sep 200617383560.085.04$14,600
Aug 2006068368.717.34$5,013
Jul 2006088869.376.34$5,632
Jun 200615770766.286.38$14,919
May 200617577466.016.42$16,525
Apr 2006079164.397.36$5,822
Mar 200617681156.707.08$15,723
Feb 2006074757.597.75$5,790
Jan 200618098060.598.93$19,661
Dec 200517996954.9413.42$22,834
Nov 2005085054.6910.59$9,000
Oct 2005078158.3413.80$10,774
Sep 200516294061.4512.08$21,309
Aug 200517992661.519.80$20,082
Jul 2005093555.697.84$7,334
Jun 200517988552.337.38$15,899
May 200517683945.226.65$13,539
Apr 2005061149.207.36$4,497
Mar 200518080950.377.15$14,855
Feb 2005080345.226.31$5,068
Jan 200518191943.166.32$13,622
Dec 2004094539.866.75$6,380
Nov 200416994945.286.33$13,660
Oct 200401,00549.706.52$6,548
Sep 200416551343.245.28$9,845
Aug 200417493642.375.55$12,568
Jul 200417193238.286.08$12,216
Jun 200401,01536.106.43$6,530
May 2004087837.486.49$5,702
Apr 2004076534.475.86$4,482
Mar 200417778534.365.53$10,423
Feb 200417670932.455.51$9,618
Jan 2004076132.036.30$4,794
Dec 200318280330.266.30$10,568
Nov 200318075328.804.60$8,644
Oct 2003085028.174.76$4,046
Sep 200315295126.314.75$8,516
Aug 200315392029.765.13$9,273
Jul 2003097829.415.17$5,057
Jun 200317770528.565.98$9,273
May 200315860726.595.97$7,827
Apr 2003089526.675.41$4,840
Mar 200318678431.146.10$10,571
Feb 2003083433.487.93$6,610
Jan 200318499330.315.58$11,120
Dec 2002096126.914.85$4,664
Nov 200218590924.664.14$8,323
Oct 200217390126.464.23$8,388
Sep 2002082827.443.64$3,010
Aug 200217586125.963.16$7,267
Jul 2002092824.583.06$2,841
Jun 200215895823.733.34$6,947
May 20021611,00324.663.58$7,565
Apr 20021831,00123.653.51$7,844
Mar 2002098422.003.10$3,053
Feb 200218887218.222.38$5,497
Jan 200218394417.172.38$5,385
Dec 2001093016.932.36$2,199
Nov 2001076718.072.41$1,845
Oct 200115892019.782.53$5,452
Sep 200117696424.262.25$6,440
Aug 200116092124.873.05$6,791
Jul 2001049823.933.20$1,592
Jun 200115885524.563.82$7,150
May 20011761,02925.524.31$8,924
Apr 2001094724.685.34$5,053
Mar 20011801,04624.545.38$10,041
Feb 200134697427.755.77$15,219
Jan 200101,11727.478.40$9,381
Dec 2000075026.889.12$6,842
Nov 20001811,00032.215.66$11,488
Oct 20001831,10531.235.15$11,401
Sep 20001751,13531.875.19$11,464
Aug 20001701,00929.644.54$9,620
Jul 200001,07228.534.09$4,384
Jun 200001,01429.304.40$4,459
May 200014791027.263.68$7,356
Apr 2000099524.513.12$3,100
Mar 20001671,09028.422.86$7,863
Feb 200001,07727.622.73$2,936
Jan 2000094825.272.48$2,352
Dec 199917092724.282.42$6,374
Nov 199919267623.192.43$6,098
Oct 1999073820.982.80$2,069
Sep 19991751,03521.752.62$6,517
Aug 199901,07819.262.88$3,100
Jul 199918177617.892.37$5,079
Jun 199951,01615.942.36$2,480
May 19991801,05815.792.32$5,298
Apr 199901,06515.102.21$2,352
Mar 199917488112.471.84$3,789
Feb 19991818749.981.82$3,395
Jan 19991801,12710.381.90$4,010
Dec 199801,1119.201.77$1,970
Nov 19981711,09110.892.19$4,247
Oct 199801,09912.421.97$2,164
Sep 19981801,07412.592.08$4,503
Aug 19981711,10711.301.91$4,044
Jul 199801,12811.742.24$2,524
Jun 19981771,11811.242.24$4,491
May 199801,14812.622.21$2,533
Apr 19981771,10413.042.51$5,074
Mar 199818090712.802.31$4,399
Feb 199801,03113.952.30$2,370
Jan 19981831,14914.702.15$5,166
Dec 199741,14416.322.41$2,824
Nov 19971871,13018.193.09$6,891
Oct 199718182119.253.15$6,070
Sep 199731,17417.742.95$3,522
Aug 19971971,19917.862.55$6,582
Jul 19971901,41517.582.25$6,520
Jun 199741,18017.242.26$2,732
May 19971711,23118.972.31$6,086
Apr 19971821,04617.882.08$5,433
Mar 19971931,19418.951.94$5,973
Feb 1997097520.492.21$2,151
Jan 19971851,19423.483.54$8,570
Dec 19963601,25123.32—$8,395
Nov 199601,31021.97—$0
Oct 1996097123.31—$0
Sep 199618386222.22—$4,066
Aug 199617794820.26—$3,586
Jul 1996087719.55—$0
Jun 199617974518.73—$3,353
May 199637862019.43—$7,345
Apr 1996060321.51—$0
Mar 1996059919.38—$0
Feb 19961591,02616.98—$2,700
Jan 199618893417.07—$3,209
Dec 19951901,09017.19—$3,266
Nov 19951861,20416.00—$2,976
Oct 199501,33515.43—$0
Sep 199501,31016.18—$0
Aug 19951781,61515.92—$2,834
Jul 199501,04715.24—$0
Jun 199501,15716.41—$0
May 199501,08717.56—$0
Apr 199501,12217.73—$0
Mar 199501,23016.44—$0
Feb 199501,07616.58—$0
Jan 19951731,32215.92—$2,754
Dec 19945501,48615.03—$8,267
Nov 1994090015.90—$0
Oct 1994088215.58—$0
Sep 199401,30615.29—$0
Aug 199401,33516.13—$0
Jul 199401,39517.56—$0
Jun 19941821,32817.09—$3,110
May 19943571,35315.88—$5,669
Apr 199401,21714.14—$0
Mar 19943601,29512.46—$4,486
Feb 1994089212.50—$0
Jan 199401,25512.66—$0
Dec 1993099612.33—$0
Nov 1993090014.49—$0
Oct 199301,10115.85—$0
Sep 19931751,12115.03—$2,630
Aug 19931791,17215.66—$2,803
Jul 199311,25815.46—$15
Jun 1993091216.79—$0
May 19931801,29117.68—$3,182
Apr 199301,23818.05—$0
Mar 19931821,19718.14—$3,301
Feb 19931861,12917.90—$3,329
Jan 19931841,19316.93—$3,115

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.

Aug 2009 — as filed, then multipliedworked
Oil                  308 bbl  × $ 67.42 =    $20,765
Casinghead gas        30 Mcf  × $  3.22 =        $97

────────────────────────────────────────────────────
Month total                                  $20,862

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. 08/O/23889 is the state's own key, not one this site invented.