MARKHAM

Operated by MANZANO, LLC (P-5 525195) in the TWO STATES (SAN ANDRES) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Gas lease lease 123840District 8AField 92113500Hydrogen sulphide fieldCondensateGasSaveExport
Value, all time
$1.7 M
Jan 1993 – May 2026
Value, last 12 filed months
$20 k
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
condensate, 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 3 leases and 4 wells, and the rule below applies to all of them.

Discovered
1953-08-13
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

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
CondensateDisposition4,800 bbl$207,957
GasProduction414,554 Mcf$1,493,604
Total$1,701,560

73,305 Mcf of this lease's gas, across 38 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 33.5619, -103.0472. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

33.56186, -103.04717 · 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 1 wells
With a plug date
0.0%
0 of 1 wells
Median depth
4,960 ft
1 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.
1100.0%

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 4,960 ft.

Completions filed
Jul 1971
1 of 1 wells

1 well

42-0793007114,960 ftJul 1971

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 20260629106.413.05$1,916
Apr 2026021798.932.87$623
Mar 2026067489.753.15$2,123
Feb 2026024363.503.75$911
Jan 2026040959.138.00$3,271
Dec 2025045756.664.41$2,017
Nov 2025049858.593.93$1,955
Oct 2025088059.383.30$2,908
Sep 202503562.743.08$108
Aug 2025045563.933.01$1,372
Jul 2025046366.743.32$1,535
Jun 2025049366.483.13$1,542
May 2025055060.553.23$1,778
Apr 2025044762.363.54$1,584
Mar 2025022467.704.27$956
Feb 2025037970.884.34$1,645
Jan 2025033074.324.28$1,412
Dec 2024034868.993.12$1,086
Nov 2024043069.052.20$945
Oct 2024047371.372.28$1,079
Sep 2024040869.612.36$965
Aug 2024044475.632.06$916
Jul 2024047179.932.15$1,011
Jun 2024043378.082.63$1,141
May 2024038978.812.20$855
Apr 2024083784.451.66$1,389
Mar 2024060580.301.55$935
Feb 2024043576.091.78$776
Jan 202401273.023.30$40
Dec 20230071.262.61$0
Nov 20230077.892.81$0
Oct 20230085.443.09$0
Sep 20230089.042.74$0
Aug 2023043580.522.67$1,163
Jul 2023012274.852.64$322
Jun 2023021268.962.26$479
May 20232017970.622.23$1,811
Apr 20230078.122.24$0
Mar 202302072.852.39$48
Feb 202308575.112.47$210
Jan 2023041676.533.39$1,409
Dec 2022041676.415.73$2,383
Nov 2022040485.005.65$2,281
Oct 2022038687.185.86$2,263
Sep 2022034184.888.16$2,784
Aug 2022032494.529.13$2,957
Jul 20220214101.587.54$1,614
Jun 20220437115.097.98$3,486
May 20220470109.378.43$3,964
Apr 20220464104.226.84$3,173
Mar 20220198108.885.08$1,005
Feb 2022019891.054.86$962
Jan 2022047781.844.54$2,164
Dec 2021048171.323.90$1,875
Nov 2021047177.435.24$2,467
Oct 2021048279.795.71$2,754
Sep 2021047269.865.35$2,526
Aug 2021048966.024.22$2,064
Jul 2021048870.783.98$1,943
Jun 2021046969.493.38$1,586
May 2021044563.483.02$1,343
Apr 2021047260.362.76$1,302
Mar 2021048961.302.72$1,329
Feb 2021043957.805.55$2,436
Jan 2021048550.412.81$1,363
Dec 202001,30344.642.68$3,486
Nov 2020013438.772.71$363
Oct 2020036236.972.48$897
Sep 2020027937.091.99$556
Aug 2020094639.982.39$2,256
Jul 2020044238.371.83$807
Jun 2020048434.901.69$818
May 2020050516.921.81$916
Apr 2020042414.751.80$765
Mar 2020050830.341.86$943
Feb 2020015549.881.98$307
Jan 2020029257.252.09$612
Dec 2019033759.012.30$777
Nov 2019046955.302.75$1,290
Oct 2019020953.472.42$505
Sep 2019047755.052.66$1,268
Aug 2019049753.112.30$1,145
Jul 2019046456.272.46$1,141
Jun 2019046052.782.49$1,146
May 2019049158.482.74$1,346
Apr 2019049062.632.75$1,348
Mar 2019051956.803.06$1,589
Feb 2019049050.852.79$1,368
Jan 2019054646.033.23$1,763
Dec 2018056046.594.19$2,344
Nov 2018055252.934.24$2,339
Oct 2018060561.443.40$2,056
Sep 2018051859.543.11$1,610
Aug 2018065259.403.07$1,999
Jul 2018069865.142.93$2,046
Jun 2018073560.183.08$2,262
May 2018081265.382.90$2,355
Apr 2018080563.842.90$2,335
Mar 2018093761.222.79$2,611
Feb 2018091761.782.77$2,537
Jan 2018096862.874.01$3,881
Dec 2017098457.272.92$2,875
Nov 201701,00855.423.12$3,143
Oct 201701,08649.292.98$3,240
Sep 201701,09147.523.09$3,368
Aug 201701,12645.373.00$3,383
Jul 201701,20943.873.09$3,733
Jun 20171661,11642.493.09$10,499
May 201701,22345.373.26$3,991
Apr 201701,17347.933.21$3,767
Mar 201701,26746.772.98$3,780
Feb 201701,00950.452.95$2,979
Jan 201701,28349.413.42$4,386
Dec 201601,29248.763.72$4,810
Nov 2016012642.492.64$333
Oct 201601,31046.193.09$4,048
Sep 201601,31041.553.10$4,062
Aug 20161641,18341.442.92$10,256
Jul 201601,10141.622.92$3,220
Jun 201601,06545.352.69$2,860
May 201601,51642.521.99$3,018
Apr 201601,69836.561.99$3,381
Mar 2016066433.011.79$1,191
Feb 201601,56726.472.06$3,234
Jan 201601,57027.352.36$3,712
Dec 201501,49632.362.00$2,994
Nov 20151651,41538.792.17$9,467
Oct 201501,66043.552.43$4,028
Sep 2015045742.992.76$1,261
Aug 2015051840.162.87$1,488
Jul 2015053148.152.95$1,564
Jun 2015053056.152.88$1,528
May 2015067055.212.96$1,980
Apr 201501,18249.822.71$3,199
Mar 2015060242.892.93$1,767
Feb 2015065844.662.98$1,958
Jan 2015082643.433.10$2,561
Dec 201416496054.693.59$12,417
Nov 201401,25070.464.25$5,315
Oct 2014060578.303.90$2,360
Sep 2014079886.164.05$3,228
Aug 2014042989.394.04$1,731
Jul 2014043496.564.18$1,814
Jun 2014052298.164.74$2,473
May 2014059794.734.73$2,822
Apr 2014059695.944.81$2,866
Mar 2014097495.895.06$4,925
Feb 2014083197.406.19$5,146
Jan 20141671,11590.404.86$20,517
Dec 201311,28591.824.35$5,687
Nov 20130088.853.74$0
Oct 20130097.423.78$0
Sep 20130116104.113.72$431
Aug 20130790104.253.52$2,783
Jul 201301,105102.523.72$4,108
Jun 2013035494.403.93$1,392
May 2013073594.834.15$3,050
Apr 20131651,06893.964.28$20,077
Mar 2013047793.623.91$1,866
Feb 2013052591.233.42$1,795
Jan 2013184391.603.42$2,975
Dec 201201,09086.773.42$3,728
Nov 201201,12786.953.62$4,085
Oct 201211,10789.383.40$3,853
Sep 201201,14794.672.92$3,347
Aug 201201,00992.662.91$2,934
Jul 2012085485.133.02$2,580
Jun 201201,08379.822.52$2,728
May 201201,16291.612.49$2,891
Apr 201201,118101.652.00$2,232
Mar 201201,145105.052.22$2,544
Feb 201201,107101.102.57$2,845
Jan 201201,22498.092.73$3,347
Dec 201101,15696.873.24$3,745
Nov 20111671,03795.723.31$19,419
Oct 201111,13684.983.65$4,230
Sep 201111,06083.623.99$4,309
Aug 2011097583.404.15$4,046
Jul 2011099894.144.52$4,508
Jun 201111,07592.904.64$5,081
May 201101,11098.134.40$4,889
Apr 201101,092105.964.33$4,732
Mar 201101,07296.364.06$4,349
Feb 201101,07785.644.18$4,502
Jan 201101,16086.504.59$5,323
Dec 201001,24285.734.35$5,400
Nov 2010095580.843.80$3,625
Oct 20101661,16778.103.51$17,059
Sep 201001,14172.633.98$4,541
Aug 201001,15973.684.42$5,122
Jul 201001,16972.554.74$5,537
Jun 201001,16170.364.91$5,701
May 201001,18971.124.24$5,036
Apr 201001,16781.694.12$4,811
Mar 201001,25678.394.39$5,512
Feb 2010077873.585.44$4,234
Jan 201001,18374.365.96$7,056
Dec 200901,12371.445.48$6,158
Nov 200911,19674.593.75$4,561
Oct 200901,07072.544.11$4,398
Sep 20091751,17265.543.06$15,061
Aug 200901,24667.423.22$4,010
Jul 200901,19661.133.46$4,144
Jun 200901,17766.163.90$4,584
May 200901,26254.743.93$4,954
Apr 200911,24346.773.59$4,506
Mar 200901,44442.144.06$5,861
Feb 2009079632.814.63$3,688
Jan 200916491935.865.37$10,817
Dec 200801,11437.105.98$6,659
Nov 200801,11055.496.86$7,615
Oct 200801,27075.246.92$8,791
Sep 20080973101.767.88$7,664
Aug 200801,171114.228.48$9,934
Jul 200801,220131.0811.39$13,895
Jun 200801,174131.3313.03$15,300
May 200801,222123.1711.57$14,144
Apr 200801,207110.3110.45$12,619
Mar 20081711,282101.909.66$29,814
Feb 200801,15892.538.77$10,156
Jan 200801,22690.388.21$10,060
Dec 200701,24088.337.30$9,054
Nov 200701,16991.677.29$8,524
Oct 200701,25682.856.92$8,694
Sep 200701,16175.846.24$7,249
Aug 2007099969.066.39$6,382
Jul 200701,23970.906.39$7,915
Jun 200711,25962.007.55$9,566
May 200701,30358.747.85$10,224
Apr 200701,28059.617.81$9,991
Mar 200701,32356.927.30$9,661
Feb 20071731,16455.108.22$19,096
Jan 200701,29850.306.73$8,731
Dec 200601,32956.656.92$9,195
Nov 200601,26854.207.62$9,659
Oct 200601,31354.906.01$7,896
Sep 200601,27660.085.04$6,427
Aug 200611,20668.717.34$8,921
Jul 200601,10269.376.34$6,990
Jun 2006092566.286.38$5,905
May 200601,35666.016.42$8,712
Apr 200601,33964.397.36$9,856
Mar 20061691,34356.707.08$19,095
Feb 200601,24357.597.75$9,635
Jan 200601,49760.598.93$13,373
Dec 200501,40754.9413.42$18,875
Nov 200511,37554.6910.59$14,614
Oct 200501,38858.3413.80$19,149
Sep 200501,33461.4512.08$16,113
Aug 200501,43461.519.80$14,049
Jul 20051671,33255.697.84$19,748
Jun 200501,33152.337.38$9,824
May 200501,07445.226.65$7,143
Apr 2005098849.207.36$7,272
Mar 200501,11650.377.15$7,985
Feb 200501,01145.226.31$6,381
Jan 200501,50543.166.32$9,515
Dec 200401,57039.866.75$10,599
Nov 20041411,56145.286.33$16,266
Oct 200401,16649.706.52$7,597
Sep 2004039043.245.28$2,061
Aug 200401,00442.375.55$5,573
Jul 200401,25738.286.08$7,648
Jun 200411,31536.106.43$8,496
May 200401,54237.486.49$10,015
Apr 20041631,36834.475.86$13,633
Mar 200401,45534.365.53$8,046
Feb 200401,41832.455.51$7,813
Jan 200401,49632.036.30$9,424
Dec 200301,66330.266.30$10,480
Nov 200301,56628.804.60$7,196
Oct 200301,69728.174.76$8,077
Sep 200311,15726.314.75$5,521
Aug 20031661,00229.765.13$10,080
Jul 200301,16229.415.17$6,009
Jun 200301,31328.565.98$7,856
May 2003082926.595.97$4,951
Apr 2003094326.675.41$5,099
Mar 2003093231.146.10$5,682
Feb 20030033.487.93$0
Jan 200301,00330.315.58$5,599
Dec 200201,21126.914.85$5,878
Nov 200201,43624.664.14$5,941
Oct 200201,27026.464.23$5,371
Sep 2002093227.443.64$3,388
Aug 2002065325.963.16$2,066
Jul 2002047324.583.06$1,448
Jun 2002045723.733.34$1,526
May 200201,55424.663.58$5,570
Apr 200201,57723.653.51$5,539
Mar 2002050022.003.10$1,551
Feb 2002081218.222.38$1,929
Jan 200201,06417.172.38$2,528
Dec 2001077916.932.36$1,842
Nov 200101,14918.072.41$2,764
Oct 2001099019.782.53$2,504
Sep 20010324.262.25$7
Aug 200117969824.873.05$6,583
Jul 2001067723.933.20$2,164
Jun 2001088124.563.82$3,369
May 200101,46825.524.31$6,323
Apr 200101,38124.685.34$7,368
Mar 200101,36124.545.38$7,317
Feb 200101,14327.755.77$6,592
Jan 200101,42427.478.40$11,960
Dec 200001,27126.889.12$11,595
Nov 200001,33632.215.66$7,559
Oct 200001,46031.235.15$7,512
Sep 20001591,41131.875.19$12,385
Aug 200001,45529.644.54$6,607
Jul 200001,47128.534.09$6,016
Jun 200001,45829.304.40$6,411
May 200001,44327.263.68$5,310
Apr 200001,34924.513.12$4,203
Mar 200001,45228.422.86$4,152
Feb 200001,40427.622.73$3,828
Jan 20001711,51925.272.48$8,089
Dec 199901,38524.282.42$3,357
Nov 199901,48423.192.43$3,612
Oct 199901,51420.982.80$4,245
Sep 199901,53321.752.62$4,015
Aug 199901,49519.262.88$4,299
Jul 199901,46717.892.37$3,480
Jun 199901,47215.942.36$3,477
May 199901,51415.792.32$3,514
Apr 19991701,51615.102.21$5,914
Mar 199901,58512.471.84$2,914
Feb 199901,4089.981.82$2,559
Jan 199901,56610.381.90$2,975
Dec 199801,5749.201.77$2,791
Nov 199801,58010.892.19$3,453
Oct 199801,59312.421.97$3,137
Sep 199801,66412.592.08$3,465
Aug 199801,72311.301.91$3,286
Jul 199801,74111.742.24$3,895
Jun 199801,77111.242.24$3,962
May 199801,70212.622.21$3,755
Apr 19981901,57013.042.51$6,411
Mar 199801,73512.802.31$4,007
Feb 199801,47813.952.30$3,398
Jan 199801,70014.702.15$3,663
Dec 199701,76616.322.41$4,258
Nov 199701,91018.193.09$5,899
Oct 199701,66519.253.15$5,244
Sep 199701,72117.742.95$5,085
Aug 199701,71217.862.55$4,374
Jul 199701,88817.582.25$4,242
Jun 199701,90917.242.26$4,309
May 19971771,79918.972.31$7,511
Apr 199701,95817.882.08$4,078
Mar 199701,93118.951.94$3,744
Feb 199701,68220.492.21$3,710
Jan 199701,84423.483.54$6,527
Dec 199602,02223.32$0
Nov 199601,82121.97$0
Oct 199601,97623.31$0
Sep 199602,08722.22$0
Aug 199601,98220.26$0
Jul 19961752,06819.55$3,421
Jun 199602,09718.73$0
May 199602,19619.43$0
Apr 199602,15421.51$0
Mar 199602,19619.38$0
Feb 199602,04316.98$0
Jan 199602,29517.07$0
Dec 199502,35517.19$0
Nov 199502,24616.00$0
Oct 19951682,36515.43$2,592
Sep 199502,38616.18$0
Aug 199502,71415.92$0
Jul 199502,63515.24$0
Jun 199502,65416.41$0
May 199502,90717.56$0
Apr 199502,90117.73$0
Mar 19951503,10416.44$2,466
Feb 199501,24716.58$0
Jan 199501,41215.92$0
Dec 199402,36515.03$0
Nov 199402,30015.90$0
Oct 199402,33015.58$0
Sep 199402,27115.29$0
Aug 19941482,20416.13$2,387
Jul 199401,95717.56$0
Jun 199401,54017.09$0
May 1994096715.88$0
Apr 199416868114.14$2,376
Mar 1994061012.46$0
Feb 1994054512.50$0
Jan 19949970612.66$1,253
Dec 1993062512.33$0
Nov 1993034114.49$0
Oct 19930015.85$0
Sep 19930015.03$0
Aug 19930015.66$0
Jul 19930015.46$0
Jun 19930016.79$0
May 19930017.68$0
Apr 19930018.05$0
Mar 19930018.14$0
Feb 19930017.90$0
Jan 19930016.93$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.

May 2026 — as filed, then multipliedworked
Condensate             0 bbl  × $106.41 =         $0
Gas                  629 Mcf  × $  3.05 =     $1,916

────────────────────────────────────────────────────
Month total                                   $1,916

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/G/123840 is the state's own key, not one this site invented.