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MALEA

Operated by SUMMIT PETROLEUM LLC (P-5 829221) in the AMACKER-TIPPETT, SW (WOLFCAMP) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 13857District 7CField 02220700OilCasinghead gasSaveExport
Value, all time
$30.8 M
Aug 1995 – May 2026
Value, last 12 filed months
$145 k
at the published price for each month
Months reported
370
no gaps in the span
Streams
2
oil, casinghead gas

The AMACKER-TIPPETT, SW (WOLFCAMP) 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 94 leases and 140 wells, and the rule below applies to all of them.

Discovered
1977-05-29
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 field rule took effect on 1996-05-01.

The Commission's schedule remark for this field reads: “AOF-1 AND AOF-2 EFFECTIVE 05/01/2002.”

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
OilDisposition877,771 bbl$23,194,205
Casinghead gasProduction1,849,892 Mcf$7,603,501
Total$30,797,706

201,672 Mcf of this lease's gas, across 17 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 31.3187, -102.1076. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.6 miles.

31.31959, -102.10818 · 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
33.3%
1 of 3 wells
With a plug date
33.3%
1 of 3 wells
Median depth
9,300 ft
3 wells filed one
Completion to plug
27.4 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
133.3%
A plug date is filed
133.3%
BothOn the schedule and plugged. Neither fact cancels the other.
133.3%
NeitherNo plug date, and not on the schedule.
266.7%

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 9,200 and 9,300 ft, median 9,300 ft, over the 3 wells that filed a depth.

Completions filed
Aug 1995 – Mar 1999
3 of 3 wells
Plug dates filed
Jun 2023
1 of 3 wells; 2 filed none

Last completion to plug: a median of 27.4 years across the 1 well that filed both dates, with the middle half between 27.4 years and 27.4 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

3 wells

42-4613361689,300 ftMar 1999——
42-4613357879,300 ftJan 1996Jun 2023Yes
42-4613355469,200 ftAug 1995——

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 (370)

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

370 months

May 20261870106.413.05$19,899
Apr 2026148098.932.87$14,642
Mar 2026186089.753.15$16,694
Feb 2026190063.503.75$12,065
Jan 2026185059.138.00$10,939
Dec 2025191256.664.41$10,831
Nov 2025154358.593.93$9,035
Oct 20251841159.383.30$10,962
Sep 2025181162.743.08$11,359
Aug 20250163.933.01$3
Jul 2025167266.743.32$11,152
Jun 2025257966.483.13$17,114
May 2025161760.553.23$9,771
Apr 2025187362.363.54$11,672
Mar 20253601967.704.27$24,453
Feb 202501770.884.34$74
Jan 20253703374.324.28$27,640
Dec 20241891268.993.12$13,077
Nov 20241842469.052.20$12,758
Oct 20240771.372.28$16
Sep 2024152069.612.36$10,581
Aug 2024353075.632.06$26,697
Jul 2024167079.932.15$13,348
Jun 2024161078.082.63$12,571
May 2024174078.812.20$13,713
Apr 2024368484.451.66$31,084
Mar 2024186080.301.55$14,936
Feb 20240076.091.78$0
Jan 2024184073.023.30$13,436
Dec 2023182271.262.61$12,975
Nov 2023186077.892.81$14,488
Oct 2023168485.443.09$14,366
Sep 2023178089.042.74$15,849
Aug 2023186080.522.67$14,977
Jul 2023346074.852.64$25,898
Jun 2023183068.962.26$12,620
May 2023184070.622.23$12,994
Apr 20230078.122.24$0
Mar 20231838572.852.39$13,535
Feb 2023173075.112.47$12,994
Jan 2023183076.533.39$14,005
Dec 2022185376.415.73$14,153
Nov 2022184285.005.65$15,651
Oct 2022183387.185.86$15,972
Sep 2022171084.888.16$14,514
Aug 20221865494.529.13$18,074
Jul 202236597101.587.54$37,808
Jun 202207115.097.98$56
May 202218310109.378.43$20,099
Apr 2022186173104.226.84$20,568
Mar 202216783108.885.08$18,604
Feb 20221854891.054.86$17,077
Jan 20221861181.844.54$15,272
Dec 2021173171.323.90$12,342
Nov 2021356477.435.24$27,586
Oct 20211842479.795.71$14,818
Sep 2021181069.865.35$12,645
Aug 20211838866.024.22$12,453
Jul 202118315470.783.98$13,566
Jun 20211867169.493.38$13,165
May 2021181063.483.02$11,490
Apr 2021363560.362.76$21,924
Mar 2021182561.302.72$11,170
Feb 2021319057.805.55$18,438
Jan 2021180350.412.81$9,082
Dec 2020182644.642.68$8,141
Nov 20203659538.772.71$14,408
Oct 202018111936.972.48$6,987
Sep 202035810137.091.99$13,479
Aug 20203609739.982.39$14,624
Jul 20200738.371.83$13
Jun 202035813334.901.69$12,719
May 20200616.921.81$11
Apr 2020381514.751.80$5,629
Mar 2020367930.341.86$11,151
Feb 20203782049.881.98$18,894
Jan 2020362857.252.09$20,741
Dec 2019369759.012.30$21,791
Nov 2019182855.302.75$10,087
Oct 2019175053.472.42$9,357
Sep 2019363055.052.66$19,983
Aug 2019343053.112.30$18,217
Jul 2019550056.272.46$30,949
Jun 2019178052.782.49$9,395
May 20190058.482.74$0
Apr 20193521262.632.75$22,079
Mar 20193692056.803.06$21,020
Feb 20195353450.852.79$27,300
Jan 20195373046.033.23$24,815
Dec 20183603946.594.19$16,936
Nov 2018375052.934.24$19,849
Oct 201837325861.443.40$23,794
Sep 201835929659.543.11$22,295
Aug 201872527159.403.07$43,896
Jul 201837012565.142.93$24,468
Jun 20183564360.183.08$21,556
May 20183273365.382.90$21,475
Apr 201872920863.842.90$47,143
Mar 201838858261.222.79$25,375
Feb 201838048061.782.77$24,804
Jan 201871640862.874.01$46,651
Dec 201772011057.272.92$41,556
Nov 201733728155.423.12$19,553
Oct 201753730849.292.98$27,388
Sep 201718360947.523.09$10,576
Aug 201771458945.373.00$34,164
Jul 201734770043.873.09$17,384
Jun 201735878042.493.09$17,620
May 201738580745.373.26$20,101
Apr 201771473147.933.21$36,570
Mar 201736266246.772.98$18,906
Feb 201771762750.452.95$38,024
Jan 201771160449.413.42$37,195
Dec 201668545548.763.72$35,094
Nov 2016051442.492.64$1,359
Oct 201636262846.193.09$18,661
Sep 201654975541.553.10$25,152
Aug 201636638241.442.92$16,284
Jul 201655242241.622.92$24,208
Jun 201636969145.352.69$18,590
May 201653080142.521.99$24,130
Apr 201686673136.561.99$33,116
Mar 201652780433.011.79$18,839
Feb 201673859926.472.06$20,771
Jan 201674181827.352.36$22,200
Dec 201543887832.362.00$15,931
Nov 201544487538.792.17$19,119
Oct 201581490443.552.43$37,643
Sep 201546479842.992.76$22,149
Aug 201541990840.162.87$19,435
Jul 201545992148.152.95$24,813
Jun 201542597256.152.88$26,666
May 20154461,12355.212.96$27,943
Apr 201565896949.822.71$35,404
Mar 201545084442.892.93$21,777
Feb 201543446644.662.98$20,769
Jan 201581673743.433.10$37,724
Dec 20144751,00454.693.59$29,583
Nov 20144241,03470.464.25$34,271
Oct 20144091,24378.303.90$36,874
Sep 20144411,48186.164.05$43,988
Aug 20144281,64489.394.04$44,893
Jul 20144291,68696.564.18$48,471
Jun 20143871,49398.164.74$45,060
May 20145921,23394.734.73$61,908
Apr 20143901,34195.944.81$43,866
Mar 20143571,48595.895.06$41,742
Feb 20142631,25897.406.19$33,406
Jan 20144111,50790.404.86$44,480
Dec 20137961,45791.824.35$79,433
Nov 2013072188.853.74$2,695
Oct 201344195097.423.78$46,553
Sep 2013442929104.113.72$49,470
Aug 20139971,270104.253.52$108,411
Jul 20134211,580102.523.72$49,035
Jun 20136411,39494.403.93$65,994
May 20136571,65994.834.15$69,187
Apr 20131,0571,34193.964.28$105,059
Mar 20137371,48893.623.91$74,820
Feb 20131,0351,32091.233.42$98,937
Jan 20138041,34191.603.42$78,233
Dec 20127071,30086.773.42$65,793
Nov 20129621,44786.953.62$88,891
Oct 20128301,35389.383.40$78,785
Sep 20128031,28794.672.92$79,776
Aug 20126721,26592.662.91$65,946
Jul 20127881,13085.133.02$70,496
Jun 201243973179.822.52$36,882
May 201273881591.612.49$69,636
Apr 2012812771101.652.00$84,079
Mar 20121,277819105.052.22$135,969
Feb 2012434916101.102.57$46,232
Jan 20121,10777298.092.73$110,696
Dec 201141859696.873.24$42,423
Nov 20111,00392895.723.31$99,080
Oct 201179987384.983.65$71,084
Sep 201141487383.623.99$38,098
Aug 20116531,13583.404.15$59,170
Jul 201152694694.144.52$53,791
Jun 201163787392.904.64$63,228
May 201126194598.134.40$29,774
Apr 20111,025872105.964.33$112,388
Mar 20118911,06396.364.06$90,170
Feb 201151055985.644.18$46,013
Jan 201182683886.504.59$75,294
Dec 201077797285.734.35$70,838
Nov 201079995880.843.80$68,227
Oct 20101,09694178.103.51$88,899
Sep 201057594972.633.98$45,539
Aug 20108941,07273.684.42$70,607
Jul 20106791,27272.554.74$55,286
Jun 20108171,31470.364.91$63,936
May 20108821,29671.124.24$68,217
Apr 20108861,07581.694.12$76,809
Mar 20101,12095578.394.39$91,988
Feb 201055390773.585.44$45,626
Jan 201096389874.365.96$76,964
Dec 200984028071.445.48$61,545
Nov 20095201,00374.593.75$42,550
Oct 20097321,13572.544.11$57,764
Sep 20097141,03665.543.06$49,971
Aug 20095051,01767.423.22$37,320
Jul 20098571,43761.133.46$57,367
Jun 20096791,56366.163.90$51,011
May 20098181,80854.743.93$51,875
Apr 20099081,52746.773.59$47,945
Mar 20091,0421,82142.144.06$51,301
Feb 20097641,64432.814.63$32,683
Jan 20091,0001,62235.865.37$44,572
Dec 20087411,92837.105.98$39,015
Nov 20081,1391,84655.496.86$75,867
Oct 20088961,77375.246.92$79,688
Sep 20085891,454101.767.88$71,390
Aug 20089661,439114.228.48$122,544
Jul 20086981,560131.0811.39$109,261
Jun 20089151,793131.3313.03$143,534
May 20084702,032123.1711.57$81,409
Apr 20086122,299110.3110.45$91,545
Mar 20081,7902,267101.909.66$204,309
Feb 20084021,87692.538.77$53,651
Jan 20087132,14090.388.21$82,001
Dec 20071,1662,45888.337.30$120,941
Nov 20075322,80591.677.29$69,222
Oct 20078432,71782.856.92$88,650
Sep 20078002,71075.846.24$77,594
Aug 20071,2002,94069.066.39$101,653
Jul 2007646070.906.39$45,801
Jun 20077252,68162.007.55$65,187
May 20071,0482,99058.747.85$85,020
Apr 20075692,94959.617.81$56,936
Mar 20078753,39356.927.30$74,581
Feb 20076833,12155.108.22$63,275
Jan 20071,0224,33150.306.73$80,541
Dec 20066004,66056.656.92$66,230
Nov 20067244,21254.207.62$71,326
Oct 20068134,01054.906.01$68,749
Sep 20064494,45560.085.04$49,417
Aug 20067934,58168.717.34$88,111
Jul 20061,0744,44569.376.34$102,697
Jun 20067215,23666.286.38$81,214
May 20066434,33666.016.42$70,303
Apr 20061,1335,33164.397.36$112,193
Mar 20069365,27856.707.08$90,455
Feb 20064565,40457.597.75$68,148
Jan 20067055,46060.598.93$91,492
Dec 20051,0644,83454.9413.42$123,306
Nov 20055324,78754.6910.59$79,782
Oct 20056285,29958.3413.80$109,741
Sep 20059076,25761.4512.08$131,313
Aug 20054064,81161.519.80$72,106
Jul 20054064,36555.697.84$56,848
Jun 20056555,60752.337.38$75,662
May 200504,88945.226.65$32,518
Apr 20058365,28449.207.36$80,024
Mar 20052155,75950.377.15$52,035
Feb 20051876,23845.226.31$47,830
Jan 20053816,87643.166.32$59,915
Dec 20046327,65939.866.75$76,898
Nov 20048867,44945.286.33$87,273
Oct 20046627,49749.706.52$81,745
Sep 20046286,82643.245.28$63,223
Aug 20048488,61942.375.55$83,771
Jul 20043499,10838.286.08$68,774
Jun 20048189,84136.106.43$92,837
May 200437411,05137.486.49$85,789
Apr 2004018,86234.475.86$110,502
Mar 200463311,45534.365.53$85,098
Feb 200461522,93732.455.51$146,331
Jan 200454617,79332.036.30$129,578
Dec 200320015,77230.266.30$105,441
Nov 200368611,77328.804.60$73,856
Oct 200322516,81428.174.76$86,367
Sep 200340215,17526.314.75$82,648
Aug 200396912,57029.765.13$93,318
Jul 200369313,48529.415.17$90,110
Jun 200390613,91528.565.98$109,128
May 2003014,44926.595.97$86,299
Apr 200365315,14126.675.41$99,287
Mar 20031,11734,61231.146.10$245,780
Feb 200394465,95233.487.93$554,333
Jan 20031,59310,14830.315.58$104,930
Dec 20021,9086,91526.914.85$84,908
Nov 20021,4085,91724.664.14$59,200
Oct 20021,6613,31226.464.23$57,957
Sep 20021,4287,71727.443.64$67,237
Aug 20022,2018,25825.963.16$83,268
Jul 20021,7889,25324.583.06$72,280
Jun 20021,4239,25123.733.34$64,650
May 20022,70810,59124.663.58$104,737
Apr 20021,3628,10523.653.51$60,679
Mar 20021,86810,60322.003.10$73,994
Feb 20022,38610,62318.222.38$68,710
Jan 20022,36413,60717.172.38$72,916
Dec 20012,39112,07016.932.36$69,018
Nov 20012,2889,55418.072.41$64,327
Oct 20012,3458,40219.782.53$67,632
Sep 20012,30911,00724.262.25$80,797
Aug 20011,76013,65124.873.05$85,450
Jul 20011,61915,08323.933.20$86,964
Jun 20014,11229,32124.563.82$213,119
May 20012,15212,64825.524.31$109,398
Apr 20012,17128,18924.685.34$203,978
Mar 20014,64129,31624.545.38$271,506
Feb 20013,72024,94227.755.77$247,073
Jan 20013,63220,01427.478.40$267,864
Dec 20003,37417,41926.889.12$249,598
Nov 20003,66515,84332.215.66$207,689
Oct 20002,83112,47531.235.15$152,602
Sep 20003,24826,14431.875.19$239,110
Aug 20004,47030,77529.644.54$272,232
Jul 20004,97733,75828.534.09$280,056
Jun 20004,46629,91629.304.40$262,402
May 20004,77226,95527.263.68$229,272
Apr 20004,51328,44724.513.12$199,254
Mar 20006,32632,72828.422.86$273,379
Feb 20005,20626,93427.622.73$217,225
Jan 20006,24429,66025.272.48$231,358
Dec 19997,84327,01324.282.42$255,900
Nov 19998,14625,90123.192.43$251,949
Oct 19999,74625,19120.982.80$275,099
Sep 199913,29917,23121.752.62$334,379
Aug 199912,8937,35119.262.88$269,458
Jul 199914,2438,28717.892.37$274,467
Jun 199913,0467,04215.942.36$224,587
May 199914,0598,01315.792.32$240,590
Apr 199914,2538,46615.102.21$233,914
Mar 199910,3585,79112.471.84$139,810
Feb 19992,0461,7819.981.82$23,657
Jan 19996,9615,95510.381.90$83,569
Dec 199811,9288,5029.201.77$124,814
Nov 199811,0606,56110.892.19$134,784
Oct 199812,3908,37312.421.97$170,372
Sep 199813,3778,22012.592.08$185,536
Aug 199815,0588,89811.301.91$187,127
Jul 199812,6437,18211.742.24$164,497
Jun 199813,1937,42311.242.24$164,897
May 199813,5088,11912.622.21$188,384
Apr 199813,8537,86013.042.51$200,335
Mar 199812,5477,63612.802.31$178,236
Feb 199810,7816,25013.952.30$164,765
Jan 199813,0987,41714.702.15$208,523
Dec 199714,7398,21816.322.41$260,355
Nov 199717,2969,79118.193.09$344,851
Oct 199710,5556,14419.253.15$222,536
Sep 199711,5546,54917.742.95$224,319
Aug 199712,5346,88617.862.55$241,449
Jul 199712,3458,87017.582.25$236,955
Jun 199712,0658,08217.242.26$226,243
May 199713,4459,95118.972.31$278,024
Apr 199712,9099,22917.882.08$250,035
Mar 199713,74911,64418.951.94$283,123
Feb 199712,51811,70720.492.21$282,318
Jan 199712,74511,64123.483.54$340,458
Dec 199613,84313,99623.32—$322,819
Nov 199616,12315,35621.97—$354,222
Oct 199615,16515,99123.31—$353,496
Sep 199614,54013,83322.22—$323,079
Aug 199615,17513,65720.26—$307,446
Jul 199616,41215,57619.55—$320,855
Jun 199618,18716,82018.73—$340,643
May 199619,48620,42319.43—$378,613
Apr 19965,83712,24521.51—$125,554
Mar 19966,94313,24319.38—$134,555
Feb 19969,65715,28716.98—$163,976
Jan 199610,70711,60517.07—$182,768
Dec 19952,9626,32317.19—$50,917
Nov 199511,1489,42916.00—$178,368
Oct 19953,7063,31915.43—$57,184
Sep 19957,1214,19416.18—$115,218
Aug 1995037515.92—$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
Oil                  187 bbl  × $106.41 =    $19,899
Casinghead gas         0 Mcf  × $  3.05 =         $0

────────────────────────────────────────────────────
Month total                                  $19,899

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. 7C/O/13857 is the state's own key, not one this site invented.