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MADDOX, L. A.

Operated by PETROSEARCH OPERATING CO, LLC (P-5 660938) in the QUINDUNO (ALBANY DOLOMITE, LO.) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 1510District 10Field 73768142NGPA filingOilCasinghead gasSaveExport
Value, all time
$656 k
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 QUINDUNO (ALBANY DOLOMITE, LO.) 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 180 leases and 292 wells, and the rule below applies to all of them.

Discovered
1952-05-19
as the register files it
Field class
Oil and gas
the register's own label
Between wells
933 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 40 acres.

The Commission's schedule remark for this field reads: “40 AC LIMIT ON OIL & UP TO 160 AC GAS LIMIT ON OIL WELLS”

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
NGPA39none——

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
OilDisposition9,716 bbl$318,297
Casinghead gasProduction221,266 Mcf$337,704
Total$656,001

147,216 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 (40)

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 35.6907, -100.7308. A lease has no coordinate of its own — that point is the mean of its wells, and they span 1.8 miles.

35.69303, -100.72723 · 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%
40 of 40 wells
With a plug date
97.5%
39 of 40 wells
Median depth
4,104 ft
38 wells filed one
Completion to plug
57.9 years
median over 23 wells

What the state filed about each well

On the RRC proration schedule
40100.0%
A plug date is filed
3997.5%
BothOn the schedule and plugged. Neither fact cancels the other.
3997.5%
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

Total depth in feet, 38 of 40 wells. Median 4,104 ft, with the middle half between 4,067 and 4,121 ft; the shallowest is 4,014 ft and the deepest 7,512 ft. The median is published rather than the mean, because a single mis-keyed depth moves a mean and cannot move a median.

When they were last completed

Last completion by decade, 23 of 40 wells, Feb 1953 – Oct 2008. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Feb 1953 – Oct 2008
23 of 40 wells; 17 filed none
Plug dates filed
Nov 1978 – Jan 2014
39 of 40 wells; 1 filed none

Last completion to plug: a median of 57.9 years across the 23 wells that filed both dates, with the middle half between 31.3 years and 60.0 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

40 wells

42-39300361214,102 ft—Dec 2013Yes
42-39300365184,038 ft—Nov 2013Yes
42-39300400204,045 ft—Nov 2013Yes
42-3930073517,512 ft—Dec 1988Yes
42-39300803144,062 ft—Oct 1994Yes
42-39300804174,109 ft—Oct 1994Yes
42-39300832124,062 ft—Dec 2013Yes
42-393803482———Yes
42-393803515——Nov 1978Yes
42-39380377314,014 ft—Jul 1979Yes
42-39380378324,033 ft—Jun 1983Yes
42-39380379334,045 ft—Jun 1983Yes
42-39380380344,063 ft—Jun 1983Yes
42-39380382364,041 ft—Jun 1983Yes
42-39380383374,111 ft—Jun 1983Yes
42-39380384384,089 ft—Jun 1983Yes
42-39380385394,099 ft—Jun 1983Yes
42-39300346254,149 ftOct 2008Jan 2014Yes
42-39300360104,139 ftAug 2008Jan 2014Yes
42-39300362224,150 ftAug 2008Jan 2014Yes
42-39331800424,494 ftApr 2006Jan 2014Yes
42-3930035444,110 ftAug 1998Nov 2008Yes
42-39300782264,077 ftJan 1992Jan 2014Yes
42-39380361154,099 ftAug 1956Jan 2006Yes
42-39300805194,121 ftOct 1954Sep 2012Yes
42-39300396284,098 ftAug 1954Nov 2013Yes
42-39300350354,109 ftAug 1954Jan 2014Yes
42-39300801304,121 ftMay 1954Oct 1994Yes
42-39300348294,095 ftApr 1954Dec 2013Yes
42-39300347274,119 ftMar 1954Jan 2014Yes
42-39300047244,103 ftJan 1954Dec 2013Yes
42-39300802234,104 ftDec 1953Jun 2008Yes
42-39300363134,105 ftOct 1953Nov 2013Yes
42-39300401164,060 ftSep 1953Dec 2013Yes
42-39300364114,104 ftJul 1953Nov 2013Yes
42-3938035594,115 ftJun 1953Sep 1997Yes
42-3930035884,127 ftMay 1953Jan 2014Yes
42-3930035774,132 ftMay 1953Dec 2013Yes
42-3930035664,133 ftApr 1953Dec 2013Yes
42-3930081034,114 ftFeb 1953Aug 1996Yes

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 201390088.853.74$7,997
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 2012202098.092.73$19,814
Dec 20110096.873.24$0
Nov 20110095.723.31$0
Oct 2011187084.983.65$15,891
Sep 20110083.623.99$0
Aug 20110083.404.15$0
Jul 20110094.144.52$0
Jun 2011196092.904.64$18,208
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 2010167080.843.80$13,500
Oct 20100078.103.51$0
Sep 20100072.633.98$0
Aug 2010191073.684.42$14,073
Jul 20100072.554.74$0
Jun 20100070.364.91$0
May 2010194071.124.24$13,797
Apr 20100081.694.12$0
Mar 2010185078.394.39$14,502
Feb 20100073.585.44$0
Jan 20100074.365.96$0
Dec 20090071.445.48$0
Nov 20090074.593.75$0
Oct 2009194072.544.11$14,073
Sep 20090065.543.06$0
Aug 20090067.423.22$0
Jul 20090061.133.46$0
Jun 20090066.163.90$0
May 20090054.743.93$0
Apr 2009199046.773.59$9,307
Mar 20090042.144.06$0
Feb 2009015132.814.63$700
Jan 2009059735.865.37$3,206
Dec 2008027837.105.98$1,662
Nov 2008027155.496.86$1,859
Oct 2008048475.246.92$3,350
Sep 20080385101.767.88$3,033
Aug 200800114.228.48$0
Jul 200800131.0811.39$0
Jun 200800131.3313.03$0
May 200800123.1711.57$0
Apr 200800110.3110.45$0
Mar 200800101.909.66$0
Feb 20080092.538.77$0
Jan 2008017590.388.21$1,436
Dec 2007029788.337.30$2,169
Nov 2007019291.677.29$1,400
Oct 2007037182.856.92$2,568
Sep 2007032175.846.24$2,004
Aug 20070069.066.39$0
Jul 200706370.906.39$402
Jun 2007032262.007.55$2,431
May 200709958.747.85$777
Apr 2007028459.617.81$2,217
Mar 2007028956.927.30$2,110
Feb 2007044455.108.22$3,648
Jan 2007031050.306.73$2,085
Dec 2006033856.656.92$2,338
Nov 2006032754.207.62$2,491
Oct 2006073454.906.01$4,414
Sep 200615681560.085.04$13,478
Aug 2006095768.717.34$7,024
Jul 20061611,01869.376.34$17,626
Jun 200617797166.286.38$17,930
May 200601,10266.016.42$7,080
Apr 20061801,43064.397.36$22,116
Mar 200607056.707.08$496
Feb 200607457.597.75$574
Jan 200601760.598.93$152
Dec 200506354.9413.42$845
Nov 200513010454.6910.59$8,211
Oct 2005039458.3413.80$5,436
Sep 2005046361.4512.08$5,593
Aug 2005027061.519.80$2,645
Jul 2005047555.697.84$3,726
Jun 2005075152.337.38$5,543
May 2005066645.226.65$4,430
Apr 2005090249.207.36$6,639
Mar 2005078850.377.15$5,638
Feb 2005030545.226.31$1,925
Jan 200545029043.166.32$21,255
Dec 2004031839.866.75$2,147
Nov 2004028745.286.33$1,817
Oct 2004031949.706.52$2,078
Sep 2004031643.245.28$1,670
Aug 2004030142.375.55$1,671
Jul 2004028738.286.08$1,746
Jun 2004025536.106.43$1,640
May 2004027537.486.49$1,786
Apr 2004031234.475.86$1,828
Mar 2004028434.365.53$1,571
Feb 2004033432.455.51$1,840
Jan 2004037732.036.30$2,375
Dec 2003030530.266.30$1,922
Nov 2003031128.804.60$1,429
Oct 2003033328.174.76$1,585
Sep 2003026626.314.75$1,263
Aug 2003026229.765.13$1,344
Jul 2003026629.415.17$1,375
Jun 2003046728.565.98$2,794
May 2003021826.595.97$1,302
Apr 2003024626.675.41$1,330
Mar 2003030031.146.10$1,829
Feb 2003030133.487.93$2,386
Jan 2003035530.315.58$1,982
Dec 2002046726.914.85$2,267
Nov 2002029324.664.14$1,212
Oct 2002077826.464.23$3,290
Sep 2002064427.443.64$2,341
Aug 2002063325.963.16$2,003
Jul 2002067524.583.06$2,067
Jun 2002062123.733.34$2,073
May 2002057724.663.58$2,068
Apr 2002060423.653.51$2,121
Mar 2002071122.003.10$2,206
Feb 2002057518.222.38$1,366
Jan 2002070217.172.38$1,668
Dec 2001068216.932.36$1,613
Nov 2001067118.072.41$1,614
Oct 2001028719.782.53$726
Sep 2001062624.262.25$1,409
Aug 2001066924.873.05$2,043
Jul 2001078023.933.20$2,494
Jun 2001059124.563.82$2,260
May 2001081225.524.31$3,498
Apr 2001078924.685.34$4,210
Mar 2001074224.545.38$3,989
Feb 2001054027.755.77$3,114
Jan 2001089227.478.40$7,492
Dec 2000095526.889.12$8,712
Nov 2000086432.215.66$4,889
Oct 200001,01931.235.15$5,243
Sep 2000097531.875.19$5,057
Aug 200001,06529.644.54$4,836
Jul 200001,11128.534.09$4,544
Jun 2000049629.304.40$2,181
May 2000039527.263.68$1,454
Apr 20000024.513.12$0
Mar 20000028.422.86$0
Feb 20000027.622.73$0
Jan 20000025.272.48$0
Dec 19990024.282.42$0
Nov 19990023.192.43$0
Oct 19990020.982.80$0
Sep 19990021.752.62$0
Aug 19990019.262.88$0
Jul 19990017.892.37$0
Jun 19990015.942.36$0
May 19990015.792.32$0
Apr 19990015.102.21$0
Mar 19990012.471.84$0
Feb 1999009.981.82$0
Jan 19990010.381.90$0
Dec 1998009.201.77$0
Nov 19980010.892.19$0
Oct 19980012.421.97$0
Sep 19980012.592.08$0
Aug 19980011.301.91$0
Jul 1998071211.742.24$1,593
Jun 1998078511.242.24$1,756
May 199819974812.622.21$4,162
Apr 199801,06113.042.51$2,658
Mar 199801,51712.802.31$3,503
Feb 199802,27413.952.30$5,228
Jan 19980014.702.15$0
Dec 199701,30516.322.41$3,146
Nov 199701,54718.193.09$4,778
Oct 199701,77919.253.15$5,604
Sep 19971841,68517.742.95$8,243
Aug 199701,80117.862.55$4,601
Jul 199701,79017.582.25$4,022
Jun 199701,07317.242.26$2,422
May 199701,77518.972.31$4,098
Apr 199701,69017.882.08$3,520
Mar 199701,63218.951.94$3,165
Feb 199701,16220.492.21$2,563
Jan 199701,52123.483.54$5,384
Dec 199601,61523.32—$0
Nov 199601,61121.97—$0
Oct 1996099623.31—$0
Sep 1996091422.22—$0
Aug 1996077220.26—$0
Jul 199601,14619.55—$0
Jun 199601,43918.73—$0
May 19963441,75619.43—$6,684
Apr 199602,10421.51—$0
Mar 199602,41219.38—$0
Feb 199602,58116.98—$0
Jan 199603,03017.07—$0
Dec 199503,21017.19—$0
Nov 199501,03916.00—$0
Oct 199502,65815.43—$0
Sep 19951842,00616.18—$2,977
Aug 199502,87615.92—$0
Jul 199502,71315.24—$0
Jun 199503,59016.41—$0
May 199503,16817.56—$0
Apr 19953143,65617.73—$5,567
Mar 199503,68216.44—$0
Feb 19951673,39816.58—$2,769
Jan 199503,63415.92—$0
Dec 19943323,59115.03—$4,990
Nov 199403,50415.90—$0
Oct 19941583,50715.58—$2,462
Sep 199404,22315.29—$0
Aug 19943103,42016.13—$5,000
Jul 199404,15217.56—$0
Jun 19941691,86817.09—$2,888
May 199404,33415.88—$0
Apr 19943104,10414.14—$4,383
Mar 19941601,75812.46—$1,994
Feb 19941714,00612.50—$2,138
Jan 19941851,92812.66—$2,342
Dec 19933341,86112.33—$4,118
Nov 19931691,76814.49—$2,449
Oct 19931725,01515.85—$2,726
Sep 19933194,57715.03—$4,795
Aug 19933395,06715.66—$5,309
Jul 19931744,80615.46—$2,690
Jun 19931793,66116.79—$3,005
May 19931724,11017.68—$3,041
Apr 19933564,62018.05—$6,426
Mar 19933485,62418.14—$6,313
Feb 19935434,80017.90—$9,720
Jan 19933654,90616.93—$6,179

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.

Nov 2013 — as filed, then multipliedworked
Oil                   90 bbl  × $ 88.85 =     $7,997
Casinghead gas         0 Mcf  × $  3.74 =         $0

────────────────────────────────────────────────────
Month total                                   $7,997

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/1510 is the state's own key, not one this site invented.