BIRKHEAD "A"

Operated by PIONEER NATURAL RES. USA, INC. (P-5 665748) in the SPRABERRY (TREND AREA) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 33021District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$2.0 M
Jan 1993 – Jan 2021
Value, last 12 filed months
$0
at the published price for each month
Months reported
337
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 16,587 leases and 43,997 wells, and the rule below applies to all of them.

Discovered
1952-12-22
as the register files it
Field class
Oil and gas
the register's own label
Between wells
0 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 2018-02-13.

The Commission's schedule remark for this field reads: SPRABERRY (TREND AREA) FIELD EFFECTIVE 10/1/2019.

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
OilDisposition40,671 bbl$1,731,946
Casinghead gasProduction99,417 Mcf$261,967
Total$1,993,913

39,683 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 (1)

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 31.9108, -102.0964. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.91085, -102.09641 · 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
100.0%
1 of 1 wells
With a plug date
100.0%
1 of 1 wells
Median depth
9,450 ft
1 wells filed one
Completion to plug
29.2 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
1100.0%
A plug date is filed
1100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
1100.0%
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

The one well that filed a depth was drilled to 9,450 ft.

Completions filed
Feb 1991
1 of 1 wells
Plug dates filed
Apr 2020
1 of 1 wells

Last completion to plug: a median of 29.2 years across the 1 well that filed both dates, with the middle half between 29.2 years and 29.2 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

1 well

42-3293234919,450 ftFeb 1991Apr 2020Yes

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 (337)

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

337 months

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 20180362.874.01$12
Dec 201708757.272.92$254
Nov 201708555.423.12$265
Oct 201708749.292.98$260
Sep 201708447.523.09$259
Aug 201708845.373.00$264
Jul 2017808743.873.09$3,778
Jun 2017011442.493.09$352
May 20179223945.373.26$4,954
Apr 20179519447.933.21$5,176
Mar 20177326946.772.98$4,217
Feb 20177423250.452.95$4,418
Jan 20178128249.413.42$4,966
Dec 20167317248.763.72$4,200
Nov 20161069442.492.64$4,753
Oct 2016938746.193.09$4,565
Sep 2016458441.553.10$2,130
Aug 20167714741.442.92$3,621
Jul 20167527041.622.92$3,911
Jun 20169425345.352.69$4,942
May 20168524542.521.99$4,102
Apr 20169921536.561.99$4,048
Mar 20169222533.011.79$3,441
Feb 20169625426.472.06$3,065
Jan 201611529227.352.36$3,836
Dec 201513432532.362.00$4,987
Nov 201513732138.792.17$6,010
Oct 20152317843.552.43$1,434
Sep 20154212042.992.76$2,137
Aug 201513233640.162.87$6,266
Jul 20159225748.152.95$5,187
Jun 20154712856.152.88$3,008
May 2015010955.212.96$322
Apr 2015511149.822.71$550
Mar 20157314742.892.93$3,562
Feb 20158819744.662.98$4,516
Jan 201513221343.433.10$6,393
Dec 20142817654.693.59$2,163
Nov 20148618370.464.25$6,838
Oct 201411418278.303.90$9,636
Sep 201418820086.164.05$17,007
Aug 20149221289.394.04$9,079
Jul 201415322396.564.18$15,706
Jun 2014417498.164.74$1,217
May 201408794.734.73$411
Apr 201417215795.944.81$17,257
Mar 20149724895.895.06$10,555
Feb 201419823597.406.19$20,740
Jan 20148821290.404.86$8,986
Dec 201315520191.824.35$15,107
Nov 20135320188.853.74$5,460
Oct 201312221997.423.78$12,713
Sep 2013128201104.113.72$14,073
Aug 2013164276104.253.52$18,069
Jul 2013170391102.523.72$18,882
Jun 201316834194.403.93$17,200
May 201314934694.834.15$15,565
Apr 201317044693.964.28$17,883
Mar 201310721193.623.91$10,843
Feb 20137619091.233.42$7,583
Jan 20137719091.603.42$7,703
Dec 201210823286.773.42$10,165
Nov 201211023786.953.62$10,424
Oct 20128224689.383.40$8,165
Sep 201217722694.672.92$17,416
Aug 20129726792.662.91$9,765
Jul 20129030485.133.02$8,580
Jun 201217727479.822.52$14,818
May 20127627691.612.49$7,649
Apr 201278277101.652.00$8,482
Mar 2012146269105.052.22$15,935
Feb 201286244101.102.57$9,322
Jan 20129425598.092.73$9,918
Dec 201115326396.873.24$15,673
Nov 20118125795.723.31$8,604
Oct 201120924884.983.65$18,666
Sep 20118225783.623.99$7,881
Aug 20118923383.404.15$8,389
Jul 201117332294.144.52$17,741
Jun 20117330292.904.64$8,183
May 20117831198.134.40$9,024
Apr 2011162287105.964.33$18,409
Mar 20117628696.364.06$8,484
Feb 20118324385.644.18$8,124
Jan 201116024786.504.59$14,973
Dec 201015630785.734.35$14,709
Nov 2010029480.843.80$1,116
Oct 201015229878.103.51$12,917
Sep 20106528172.633.98$5,839
Aug 201015628573.684.42$12,754
Jul 20107227772.554.74$6,536
Jun 201014926170.364.91$11,765
May 20108927771.124.24$7,503
Apr 201017527381.694.12$15,421
Mar 20108427878.394.39$7,805
Feb 201015624573.585.44$12,812
Jan 20107930674.365.96$7,699
Dec 20097628471.445.48$6,987
Nov 200915626474.593.75$12,626
Oct 20098027472.544.11$6,929
Sep 200915726965.543.06$11,114
Aug 20097327767.423.22$5,813
Jul 200915428861.133.46$10,412
Jun 200915530766.163.90$11,451
May 20096826354.743.93$4,755
Apr 200913026246.773.59$7,020
Mar 20096227242.144.06$3,717
Feb 200911824632.814.63$5,011
Jan 200913127835.865.37$6,191
Dec 200810728937.105.98$5,697
Nov 200816726455.496.86$11,078
Oct 20081068775.246.92$8,578
Sep 200873144101.767.88$8,563
Aug 2008144203114.228.48$18,170
Jul 2008146182131.0811.39$21,211
Jun 200872191131.3313.03$11,945
May 2008144198123.1711.57$20,028
Apr 2008141200110.3110.45$17,645
Mar 2008143203101.909.66$16,534
Feb 20086519692.538.77$7,733
Jan 200819920090.388.21$19,627
Dec 20077120688.337.30$7,776
Nov 200716720991.677.29$16,833
Oct 200711822882.856.92$11,355
Sep 200712421975.846.24$10,772
Aug 200715023469.066.39$11,854
Jul 200717424170.906.39$13,876
Jun 200718224962.007.55$13,164
May 200717126158.747.85$12,092
Apr 2007025759.617.81$2,006
Mar 200728025856.927.30$17,822
Feb 2007519855.108.22$1,902
Jan 20078820650.306.73$5,812
Dec 200616121756.656.92$10,622
Nov 200616424354.207.62$10,740
Oct 20068023654.906.01$5,811
Sep 200615225260.085.04$10,402
Aug 200617426668.717.34$13,908
Jul 200611624269.376.34$9,582
Jun 200617222366.286.38$12,824
May 200618330366.016.42$14,027
Apr 200618423864.397.36$13,600
Mar 2006028556.707.08$2,019
Feb 200617716157.597.75$11,441
Jan 200617024060.598.93$12,444
Dec 200514124054.9413.42$10,966
Nov 200510718354.6910.59$7,790
Oct 20058217558.3413.80$7,198
Sep 200515918661.4512.08$12,017
Aug 200516117061.519.80$11,569
Jul 20059413455.697.84$6,286
Jun 200517518752.337.38$10,538
May 20058012045.226.65$4,416
Apr 200517012349.207.36$9,269
Mar 200517917750.377.15$10,283
Feb 20059616645.226.31$5,389
Jan 200520120743.166.32$9,984
Dec 200417123839.866.75$8,423
Nov 200410621345.286.33$6,148
Oct 200410125649.706.52$6,688
Sep 200419781143.245.28$12,804
Aug 20049617042.375.55$5,011
Jul 200419922438.286.08$8,981
Jun 20048320736.106.43$4,328
May 200417218537.486.49$7,648
Apr 20048523334.475.86$4,295
Mar 200417624634.365.53$7,408
Feb 200417920432.455.51$6,933
Jan 20048923532.036.30$4,331
Dec 200318425030.266.30$7,143
Nov 200322122928.804.60$7,417
Oct 200311127528.174.76$4,436
Sep 200310822926.314.75$3,929
Aug 200318020329.765.13$6,398
Jul 200317720229.415.17$6,250
Jun 200317522828.565.98$6,362
May 2003019826.595.97$1,183
Apr 200318324426.675.41$6,200
Mar 200318019731.146.10$6,806
Feb 200318319633.487.93$7,680
Jan 200318118430.315.58$6,513
Dec 2002018226.914.85$883
Nov 200218219524.664.14$5,295
Oct 200218124126.464.23$5,808
Sep 200217918327.443.64$5,577
Aug 2002020725.963.16$655
Jul 200217820824.583.06$5,012
Jun 200217917923.733.34$4,845
May 2002017424.663.58$624
Apr 200217817723.653.51$4,831
Mar 200217918422.003.10$4,509
Feb 200218116818.222.38$3,697
Jan 2002018817.172.38$447
Dec 200115320116.932.36$3,066
Nov 200117916718.072.41$3,636
Oct 200117722419.782.53$4,068
Sep 2001022124.262.25$498
Aug 200117819724.873.05$5,028
Jul 200117622023.933.20$4,915
Jun 200117822324.563.82$5,224
May 200117822325.524.31$5,503
Apr 2001120024.685.34$1,092
Mar 200118225824.545.38$5,853
Feb 200118018827.755.77$6,079
Jan 200118116927.478.40$6,391
Dec 2000024126.889.12$2,199
Nov 200017921432.215.66$6,976
Oct 200017922131.235.15$6,727
Sep 200017620231.875.19$6,657
Aug 200017820229.644.54$6,193
Jul 2000028428.534.09$1,161
Jun 200017725929.304.40$6,325
May 200017925127.263.68$5,803
Apr 200018121724.513.12$5,112
Mar 200017821428.422.86$5,671
Feb 2000022127.622.73$603
Jan 200016924325.272.48$4,873
Dec 199918021824.282.42$4,899
Nov 199918023123.192.43$4,736
Oct 199918019420.982.80$4,320
Sep 1999024921.752.62$652
Aug 199918029519.262.88$4,315
Jul 199917723117.892.37$3,715
Jun 199918024415.942.36$3,446
May 199918021215.792.32$3,334
Apr 199918127915.102.21$3,349
Mar 1999024712.471.84$454
Feb 19991813429.981.82$2,428
Jan 199918230810.381.90$2,474
Dec 19981812789.201.77$2,158
Nov 199817931410.892.19$2,636
Oct 1998031612.421.97$622
Sep 199818334512.592.08$3,022
Aug 199817830311.301.91$2,589
Jul 199818033711.742.24$2,867
Jun 199818034511.242.24$2,795
May 199818030612.622.21$2,947
Apr 199818032813.042.51$3,169
Mar 1998039212.802.31$905
Feb 199817434113.952.30$3,211
Jan 199817532214.702.15$3,266
Dec 199716931016.322.41$3,506
Nov 199716933118.193.09$4,096
Oct 199717235319.253.15$4,423
Sep 199717636117.742.95$4,189
Aug 199717444817.862.55$4,252
Jul 199717841617.582.25$4,064
Jun 199717926317.242.26$3,680
May 199717927018.972.31$4,019
Apr 1997036717.882.08$764
Mar 199731237718.951.94$6,643
Feb 199718428220.492.21$4,392
Jan 1997131723.483.54$1,146
Dec 199629834023.32$6,949
Nov 199617634321.97$3,867
Oct 199617543523.31$4,079
Sep 199617240622.22$3,822
Aug 199617833720.26$3,606
Jul 199617444919.55$3,402
Jun 199617241018.73$3,222
May 199617444219.43$3,381
Apr 199617433221.51$3,743
Mar 199618240419.38$3,527
Feb 199617627616.98$2,988
Jan 199617442917.07$2,970
Dec 199518264817.19$3,129
Nov 19951791,48716.00$2,864
Oct 19951821,55615.43$2,808
Sep 19951791,62616.18$2,896
Aug 19951771,22815.92$2,818
Jul 19951791,42015.24$2,728
Jun 19951811,04916.41$2,970
May 19951791,00817.56$3,143
Apr 19951791,16617.73$3,174
Mar 19951811,10316.44$2,976
Feb 19951801,34716.58$2,984
Jan 19951791,44915.92$2,850
Dec 19941821,23315.03$2,735
Nov 19941811,11815.90$2,878
Oct 199417998715.58$2,789
Sep 199418378315.29$2,798
Aug 199436581816.13$5,887
Jul 199417787017.56$3,108
Jun 19941791,05417.09$3,059
May 199417899015.88$2,827
Apr 199417997814.14$2,531
Mar 199436281112.46$4,511
Feb 199418250412.50$2,275
Jan 199418064612.66$2,279
Dec 199318014812.33$2,219
Nov 19933611,16014.49$5,231
Oct 19931781,23615.85$2,821
Sep 19931811,24715.03$2,720
Aug 19931811,16315.66$2,834
Jul 19933591,24515.46$5,550
Jun 199317747216.79$2,972
May 199317969317.68$3,165
Apr 199336042218.05$6,498
Mar 199317859318.14$3,229
Feb 199337237017.90$6,659
Jan 199318245216.93$3,081

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.

Jan 2018 — as filed, then multipliedworked
Oil                    0 bbl  × $ 62.87 =         $0
Casinghead gas         3 Mcf  × $  4.01 =        $12

────────────────────────────────────────────────────
Month total                                      $12

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/33021 is the state's own key, not one this site invented.