MAHLER 'A'

Operated by MMGL TXPH, LLC (P-5 101619) in the MENDOTA, NW. (GRANITE WASH, SW.) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 4995District 10Field 60462550NGPA filingOilCasinghead gasSaveExport
Value, all time
$2.0 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 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 93 leases and 143 wells, and the rule below applies to all of them.

Discovered
1976-04-01
as the register files it
Field class
Oil and gas
the register's own label
Between wells
1,200 ft
minimum
From a lease line
467 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 1984-02-27.

The Commission's schedule remark for this field reads: WASH) FIELD EFFECTIVE 12/05/17.

Severance-tax incentive filings

Applications the operator filed to have this lease's gas taxed at a reduced state rate. A filing is an application, and this page never calls one a reduction that was granted.

ProgrammeFilingsWith an approval dateDatedDocket
NGPA1none

This says nothing about a royalty. A severance tax is charged to the operator. Whether a reduced rate reaches a royalty owner depends on the wording of the lease instrument, which is a private contract this site does not hold.

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
OilDisposition19,643 bbl$818,452
Casinghead gasProduction331,308 Mcf$1,134,184
Total$1,952,636

79,429 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 35.8934, -100.5892. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.6 miles.

35.89343, -100.58924 · 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
0.0%
0 of 2 wells
Median depth
11,432 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
00.0%
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 10,289 and 12,574 ft, median 11,432 ft, over the 2 wells that filed a depth.

Completions filed
Dec 1981 – Apr 1984
2 of 2 wells

2 wells

42-39330882212,574 ftApr 1984Yes
42-39330865110,289 ftDec 1981

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 2023036875.112.47$907
Jan 2023039676.533.39$1,342
Dec 2022039276.415.73$2,246
Nov 2022037585.005.65$2,117
Oct 2022038887.185.86$2,275
Sep 2022037884.888.16$3,086
Aug 2022040094.529.13$3,651
Jul 20220397101.587.54$2,994
Jun 20220391115.097.98$3,119
May 20220386109.378.43$3,255
Apr 20220364104.226.84$2,489
Mar 2022113374108.885.08$14,202
Feb 2022031491.054.86$1,526
Jan 2022034181.844.54$1,547
Dec 2021036071.323.90$1,404
Nov 2021046377.435.24$2,425
Oct 2021023679.795.71$1,348
Sep 2021038769.865.35$2,071
Aug 2021042166.024.22$1,777
Jul 2021040170.783.98$1,597
Jun 2021028369.493.38$957
May 2021041763.483.02$1,258
Apr 2021047360.362.76$1,305
Mar 2021045861.302.72$1,244
Feb 2021030557.805.55$1,692
Jan 2021039650.412.81$1,113
Dec 202018740644.642.68$9,434
Nov 2020042838.772.71$1,158
Oct 2020045736.972.48$1,133
Sep 2020050537.091.99$1,005
Aug 2020039839.982.39$949
Jul 2020044038.371.83$803
Jun 2020048434.901.69$818
May 20209659116.921.81$2,697
Apr 2020056014.751.80$1,010
Mar 20203747930.341.86$2,012
Feb 2020034649.881.98$685
Jan 2020042757.252.09$894
Dec 2019043659.012.30$1,005
Nov 2019044955.302.75$1,235
Oct 2019044453.472.42$1,074
Sep 2019041855.052.66$1,111
Aug 2019043453.112.30$1,000
Jul 2019042856.272.46$1,053
Jun 2019040452.782.49$1,006
May 2019039558.482.74$1,082
Apr 201910239062.632.75$7,461
Mar 2019039956.803.06$1,222
Feb 2019036050.852.79$1,005
Jan 201919137646.033.23$10,006
Dec 2018039046.594.19$1,632
Nov 2018039552.934.24$1,674
Oct 2018041961.443.40$1,424
Sep 2018042759.543.11$1,327
Aug 2018040959.403.07$1,254
Jul 2018045965.142.93$1,346
Jun 2018041560.183.08$1,277
May 2018044165.382.90$1,279
Apr 2018041663.842.90$1,207
Mar 2018042761.222.79$1,190
Feb 2018038561.782.77$1,065
Jan 2018042562.874.01$1,704
Dec 2017041557.272.92$1,212
Nov 2017041855.423.12$1,303
Oct 2017149149.292.98$1,514
Sep 2017017247.523.09$531
Aug 2017042845.373.00$1,286
Jul 2017048243.873.09$1,488
Jun 201717243342.493.09$8,645
May 2017044345.373.26$1,446
Apr 2017043347.933.21$1,391
Mar 2017046146.772.98$1,375
Feb 2017041250.452.95$1,216
Jan 2017043949.413.42$1,501
Dec 2016044648.763.72$1,660
Nov 2016044642.492.64$1,179
Oct 20161049046.193.09$1,976
Sep 201619547541.553.10$9,575
Aug 2016048541.442.92$1,418
Jul 2016044341.622.92$1,295
Jun 2016045045.352.69$1,209
May 2016048042.521.99$956
Apr 2016045836.561.99$912
Mar 201617250933.011.79$6,591
Feb 2016045926.472.06$947
Jan 2016044427.352.36$1,050
Dec 2015047432.362.00$949
Nov 2015047438.792.17$1,027
Oct 2015050743.552.43$1,230
Sep 2015050542.992.76$1,393
Aug 2015051640.162.87$1,482
Jul 2015048348.152.95$1,422
Jun 201518148656.152.88$11,564
May 2015038155.212.96$1,126
Apr 201503,04549.822.71$8,242
Mar 201503,20842.892.93$9,415
Feb 201502,87644.662.98$8,560
Jan 2015039443.433.10$1,222
Dec 2014045854.693.59$1,645
Nov 2014051170.464.25$2,173
Oct 2014075078.303.90$2,926
Sep 20141891,48786.164.05$22,300
Aug 201401,56289.394.04$6,303
Jul 201401,34796.564.18$5,630
Jun 201401,45998.164.74$6,911
May 201401,21494.734.73$5,738
Apr 201401,41495.944.81$6,800
Mar 20141841,37395.895.06$24,587
Feb 2014081097.406.19$5,016
Jan 2014095590.404.86$4,642
Dec 2013092791.824.35$4,037
Nov 2013087188.853.74$3,256
Oct 201301,01497.423.78$3,832
Sep 20130980104.113.72$3,643
Aug 20130705104.253.52$2,483
Jul 201301,025102.523.72$3,811
Jun 2013099394.403.93$3,906
May 2013083494.834.15$3,460
Apr 201318685093.964.28$21,117
Mar 2013090693.623.91$3,545
Feb 2013082391.233.42$2,815
Jan 2013091491.603.42$3,126
Dec 2012094086.773.42$3,215
Nov 201218796886.953.62$19,769
Oct 201201,07489.383.40$3,651
Sep 201201,14894.672.92$3,350
Aug 20122111,18192.662.91$22,986
Jul 20121951,13485.133.02$20,026
Jun 201201,15179.822.52$2,899
May 201219496991.612.49$20,184
Apr 20121971,499101.652.00$23,018
Mar 20127915,296105.052.22$94,863
Feb 201202,288101.102.57$5,881
Jan 2012068398.092.73$1,867
Dec 2011041996.873.24$1,357
Nov 2011038595.723.31$1,275
Oct 2011028784.983.65$1,047
Sep 201119426283.623.99$17,267
Aug 2011049983.404.15$2,071
Jul 2011049594.144.52$2,236
Jun 201119543792.904.64$20,143
May 2011044898.134.40$1,973
Apr 20110478105.964.33$2,071
Mar 2011053196.364.06$2,154
Feb 2011051985.644.18$2,169
Jan 201119346986.504.59$18,847
Dec 201019148285.734.35$18,470
Nov 2010055080.843.80$2,087
Oct 2010077978.103.51$2,733
Sep 2010074672.633.98$2,969
Aug 201018881473.684.42$17,449
Jul 2010075872.554.74$3,590
Jun 2010078270.364.91$3,840
May 2010079671.124.24$3,371
Apr 2010079681.694.12$3,282
Mar 2010082078.394.39$3,599
Feb 2010079573.585.44$4,327
Jan 2010083074.365.96$4,950
Dec 2009047071.445.48$2,577
Nov 2009074874.593.75$2,806
Oct 2009078372.544.11$3,218
Sep 200901,03865.543.06$3,181
Aug 200901,25167.423.22$4,026
Jul 200918478261.133.46$13,957
Jun 200901,01166.163.90$3,938
May 2009079354.743.93$3,113
Apr 2009064046.773.59$2,296
Mar 2009057242.144.06$2,322
Feb 2009048032.814.63$2,224
Jan 2009048635.865.37$2,610
Dec 2008051637.105.98$3,084
Nov 200819048455.496.86$13,864
Oct 2008055875.246.92$3,862
Sep 20080871101.767.88$6,861
Aug 20080968114.228.48$8,212
Jul 20080977131.0811.39$11,127
Jun 20080988131.3313.03$12,876
May 20080647123.1711.57$7,489
Apr 20080925110.3110.45$9,671
Mar 20080967101.909.66$9,345
Feb 200840389192.538.77$45,104
Jan 2008089190.388.21$7,311
Dec 2007081388.337.30$5,937
Nov 2007079691.677.29$5,804
Oct 2007080682.856.92$5,579
Sep 2007096175.846.24$6,001
Aug 200701,15769.066.39$7,391
Jul 200701,21170.906.39$7,736
Jun 2007045462.007.55$3,427
May 200719953658.747.85$15,895
Apr 20074031,00859.617.81$31,890
Mar 2007068856.927.30$5,024
Feb 2007057655.108.22$4,732
Jan 2007069650.306.73$4,682
Dec 2006069656.656.92$4,815
Nov 200620361854.207.62$15,710
Oct 2006058354.906.01$3,506
Sep 2006061460.085.04$3,093
Aug 200619274668.717.34$18,668
Jul 2006082569.376.34$5,233
Jun 2006085566.286.38$5,458
May 200616787066.016.42$16,613
Apr 2006085864.397.36$6,315
Mar 2006095856.707.08$6,785
Feb 200619199457.597.75$18,704
Jan 20061861,16660.598.93$21,686
Dec 200501,15554.9413.42$15,495
Nov 200501,20354.6910.59$12,738
Oct 200501,28058.3413.80$17,659
Sep 20051921,21261.4512.08$26,438
Aug 200501,20661.519.80$11,815
Jul 2005095355.697.84$7,475
Jun 2005094452.337.38$6,968
May 200518997645.226.65$15,038
Apr 200518097249.207.36$16,010
Mar 200501,01450.377.15$7,255
Feb 2005084845.226.31$5,353
Jan 20051991,35243.166.32$17,136
Dec 200401,17739.866.75$7,946
Nov 200401,00445.286.33$6,356
Oct 20041901,26649.706.52$17,691
Sep 20041931,12743.245.28$14,300
Aug 20041971,47642.375.55$16,540
Jul 2004091338.286.08$5,555
Jun 200417988936.106.43$12,181
May 2004087237.486.49$5,663
Apr 2004095834.475.86$5,612
Mar 200418999134.365.53$11,974
Feb 2004085632.455.51$4,716
Jan 200420184632.036.30$11,768
Dec 2003088430.266.30$5,571
Nov 2003089928.804.60$4,131
Oct 2003094128.174.76$4,479
Sep 2003086626.314.75$4,113
Aug 200338789429.765.13$16,103
Jul 2003074029.415.17$3,826
Jun 2003072828.565.98$4,356
May 2003081826.595.97$4,886
Apr 200318676526.675.41$9,097
Mar 2003082731.146.10$5,041
Feb 200318869433.487.93$11,795
Jan 2003086130.315.58$4,806
Dec 2002087626.914.85$4,252
Nov 200219582324.664.14$8,213
Oct 2002087526.464.23$3,700
Sep 2002086327.443.64$3,137
Aug 200218983725.963.16$7,555
Jul 200218980924.583.06$7,123
Jun 2002081123.733.34$2,707
May 2002077424.663.58$2,774
Apr 2002068623.653.51$2,409
Mar 2002071122.003.10$2,206
Feb 200220467718.222.38$5,325
Jan 200220677717.172.38$5,383
Dec 2001087916.932.36$2,078
Nov 2001092218.072.41$2,218
Oct 200101,05219.782.53$2,660
Sep 2001099924.262.25$2,249
Aug 200120483724.873.05$7,629
Jul 20011891,32323.933.20$8,753
Jun 200101,17924.563.82$4,509
May 200101,19725.524.31$5,156
Apr 200101,15224.685.34$6,146
Mar 20011911,50424.545.38$12,773
Feb 200101,28827.755.77$7,428
Jan 20011951,62527.478.40$19,005
Dec 200001,51726.889.12$13,839
Nov 200001,70532.215.66$9,647
Oct 20001961,91131.235.15$15,954
Sep 200002,61831.875.19$13,578
Aug 20001992,82329.644.54$18,717
Jul 2000038328.534.09$1,566
Jun 20008737529.304.40$4,198
May 20000027.263.68$0
Apr 2000037724.513.12$1,175
Mar 2000037628.422.86$1,075
Feb 200019337527.622.73$6,353
Jan 20000025.272.48$0
Dec 1999031224.282.42$756
Nov 19990023.192.43$0
Oct 199920036320.982.80$5,214
Sep 1999036121.752.62$945
Aug 1999035319.262.88$1,015
Jul 199919633917.892.37$4,311
Jun 1999032715.942.36$772
May 199919636215.792.32$3,935
Apr 1999027315.102.21$603
Mar 1999074912.471.84$1,377
Feb 199903309.981.82$600
Jan 199940774510.381.90$5,640
Dec 199801,1459.201.77$2,030
Nov 1998090410.892.19$1,976
Oct 199819990912.421.97$4,262
Sep 1998321,00612.592.08$2,498
Aug 199801,19411.301.91$2,277
Jul 199801,16611.742.24$2,609
Jun 19983931,28011.242.24$7,281
May 199801,41812.622.21$3,129
Apr 199801,34513.042.51$3,370
Mar 199801,51712.802.31$3,503
Feb 199801,24813.952.30$2,869
Jan 19982091,24714.702.15$5,759
Dec 199701,53916.322.41$3,711
Nov 199701,55118.193.09$4,790
Oct 199701,77519.253.15$5,591
Sep 19974031,66217.742.95$12,060
Aug 199701,51317.862.55$3,865
Jul 199701,69817.582.25$3,815
Jun 199701,28117.242.26$2,891
May 19972061,39518.972.31$7,128
Apr 19972141,07517.882.08$6,065
Mar 199701,34618.951.94$2,610
Feb 199701,14620.492.21$2,528
Jan 19972111,46323.483.54$10,133
Dec 199601,28523.32$0
Nov 199601,39121.97$0
Oct 19962021,21623.31$4,709
Sep 19962041,26722.22$4,533
Aug 199601,35220.26$0
Jul 199601,45919.55$0
Jun 199601,32118.73$0
May 19961991,37419.43$3,867
Apr 19961991,33821.51$4,280
Mar 199601,41419.38$0
Feb 19961961,22916.98$3,328
Jan 199601,37517.07$0
Dec 199501,45017.19$0
Nov 199501,41216.00$0
Oct 19953801,46815.43$5,863
Sep 199501,33216.18$0
Aug 199501,52015.92$0
Jul 199501,60015.24$0
Jun 19953991,62216.41$6,548
May 199501,52717.56$0
Apr 199501,59217.73$0
Mar 19951991,79116.44$3,272
Feb 199501,73216.58$0
Jan 199501,67815.92$0
Dec 19941921,87415.03$2,886
Nov 19941961,74415.90$3,116
Oct 199401,57915.58$0
Sep 199401,53015.29$0
Aug 19943721,77016.13$6,000
Jul 199401,66017.56$0
Jun 199401,62217.09$0
May 19941851,79215.88$2,938
Apr 19941941,78614.14$2,743
Mar 199401,94812.46$0
Feb 19941831,54312.50$2,288
Jan 199401,84512.66$0
Dec 199301,92712.33$0
Nov 19933691,74014.49$5,347
Oct 199301,86415.85$0
Sep 199301,65515.03$0
Aug 199301,84115.66$0
Jul 19931801,88415.46$2,783
Jun 19931921,86816.79$3,224
May 199302,30017.68$0
Apr 19931862,13318.05$3,357
Mar 199302,38018.14$0
Feb 199301,99817.90$0
Jan 19933732,40116.93$6,315

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.

Feb 2023 — as filed, then multipliedworked
Oil                    0 bbl  × $ 75.11 =         $0
Casinghead gas       368 Mcf  × $  2.47 =       $907

────────────────────────────────────────────────────
Month total                                     $907

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. 10/O/4995 is the state's own key, not one this site invented.