MASTEN, F. O.-ATLANTIC

Operated by WALKABOUT OPERATING, LLC (P-5 892006) in the LEVELLAND field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 3539District 8AField 53411001Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$684 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 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 568 leases and 7,034 wells, and the rule below applies to all of them.

Discovered
1945-01-17
as the register files it
Field class
Oil
the register's own label
Between wells
880 ft
minimum
From a lease line
440 ft
minimum

A drilling unit in this field needs at least 21.25 acres.

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.

The Commission's schedule remark for this field reads: ASSOCIATED GAS FIELD LEVELLAND (SAN ANDRES)

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
OilDisposition14,630 bbl$683,666
Casinghead gasProduction21 Mcf$0
Total$683,666

21 Mcf of this lease's gas, across 21 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 33.5100, -102.8659. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

33.50995, -102.86595 · 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
no depth filed
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.

1 well

42-079002051

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 2025187060.553.23$11,323
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 2024167069.612.36$11,625
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 2023173071.262.61$12,328
Nov 2023172077.892.81$13,397
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 2022165094.529.13$15,596
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 2022168091.054.86$15,296
Jan 20220081.844.54$0
Dec 20210071.323.90$0
Nov 2021173077.435.24$13,395
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 2021172060.362.76$10,382
Mar 20210061.302.72$0
Feb 20210057.805.55$0
Jan 20210050.412.81$0
Dec 2020340044.642.68$15,178
Nov 20200038.772.71$0
Oct 20200036.972.48$0
Sep 20200037.091.99$0
Aug 20200039.982.39$0
Jul 2020345038.371.83$13,238
Jun 2020173034.901.69$6,038
May 20200016.921.81$0
Apr 20200014.751.80$0
Mar 20200030.341.86$0
Feb 20201049.881.98$50
Jan 2020170057.252.09$9,733
Dec 2019168059.012.30$9,914
Nov 20190055.302.75$0
Oct 20190053.472.42$0
Sep 2019177055.052.66$9,744
Aug 20190053.112.30$0
Jul 2019167056.272.46$9,397
Jun 20190052.782.49$0
May 20190058.482.74$0
Apr 2019163062.632.75$10,209
Mar 2019162056.803.06$9,202
Feb 20190050.852.79$0
Jan 2019167046.033.23$7,687
Dec 20180046.594.19$0
Nov 2018339052.934.24$17,943
Oct 20180061.443.40$0
Sep 20180059.543.11$0
Aug 20180059.403.07$0
Jul 2018168065.142.93$10,944
Jun 2018172060.183.08$10,351
May 20180065.382.90$0
Apr 20180063.842.90$0
Mar 20180061.222.79$0
Feb 2018165061.782.77$10,194
Jan 2018165062.874.01$10,374
Dec 20170057.272.92$0
Nov 20170055.423.12$0
Oct 2017170049.292.98$8,379
Sep 20170047.523.09$0
Aug 20170045.373.00$0
Jul 2017163043.873.09$7,151
Jun 20170042.493.09$0
May 2017167045.373.26$7,577
Apr 20170047.933.21$0
Mar 2017172046.772.98$8,044
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 2016164041.442.92$6,796
Jul 20160041.622.92$0
Jun 20160045.352.69$0
May 20161042.521.99$43
Apr 20161036.561.99$37
Mar 20160033.011.79$0
Feb 20160026.472.06$0
Jan 20160027.352.36$0
Dec 20150032.362.00$0
Nov 20151038.792.17$39
Oct 20150043.552.43$0
Sep 20151042.992.76$43
Aug 2015167040.162.87$6,707
Jul 20150048.152.95$0
Jun 20150056.152.88$0
May 20151055.212.96$55
Apr 20150049.822.71$0
Mar 20150042.892.93$0
Feb 20150044.662.98$0
Jan 20151043.433.10$43
Dec 20140054.693.59$0
Nov 2014168070.464.25$11,837
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 2014167095.944.81$16,022
Mar 20140095.895.06$0
Feb 20141097.406.19$97
Jan 20141090.404.86$90
Dec 20131091.824.35$92
Nov 20130088.853.74$0
Oct 20130097.423.78$0
Sep 201310104.113.72$104
Aug 20131510104.253.52$15,742
Jul 201310102.523.72$103
Jun 20130094.403.93$0
May 20130094.834.15$0
Apr 20130093.964.28$0
Mar 20131093.623.91$94
Feb 20131091.233.42$91
Jan 20131091.603.42$92
Dec 2012167086.773.42$14,491
Nov 20121086.953.62$87
Oct 20121089.383.40$89
Sep 20120094.672.92$0
Aug 20121092.662.91$93
Jul 20120085.133.02$0
Jun 20120079.822.52$0
May 2012166091.612.49$15,207
Apr 201200101.652.00$0
Mar 201200105.052.22$0
Feb 201210101.102.57$101
Jan 2012162098.092.73$15,891
Dec 20111096.873.24$97
Nov 20110095.723.31$0
Oct 20111084.983.65$85
Sep 20112083.623.99$167
Aug 2011155083.404.15$12,927
Jul 20111094.144.52$94
Jun 20110092.904.64$0
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 20100080.843.80$0
Oct 20100078.103.51$0
Sep 20100072.633.98$0
Aug 20100073.684.42$0
Jul 20100072.554.74$0
Jun 20100070.364.91$0
May 20100071.124.24$0
Apr 2010168081.694.12$13,724
Mar 20100078.394.39$0
Feb 20100073.585.44$0
Jan 20100074.365.96$0
Dec 20090071.445.48$0
Nov 20090074.593.75$0
Oct 20090072.544.11$0
Sep 20090065.543.06$0
Aug 20090067.423.22$0
Jul 20090061.133.46$0
Jun 20090066.163.90$0
May 2009170054.743.93$9,306
Apr 20090046.773.59$0
Mar 20090042.144.06$0
Feb 20090032.814.63$0
Jan 20090035.865.37$0
Dec 20080037.105.98$0
Nov 20080055.496.86$0
Oct 2008174075.246.92$13,092
Sep 200800101.767.88$0
Aug 200800114.228.48$0
Jul 200800131.0811.39$0
Jun 200800131.3313.03$0
May 200800123.1711.57$0
Apr 20081670110.3110.45$18,422
Mar 200800101.909.66$0
Feb 20080092.538.77$0
Jan 20080090.388.21$0
Dec 20070088.337.30$0
Nov 20070091.677.29$0
Oct 20070082.856.92$0
Sep 2007152075.846.24$11,528
Aug 20070069.066.39$0
Jul 20070070.906.39$0
Jun 20070062.007.55$0
May 20070058.747.85$0
Apr 2007157059.617.81$9,359
Mar 20070056.927.30$0
Feb 20070055.108.22$0
Jan 20070050.306.73$0
Dec 20060056.656.92$0
Nov 2006157054.207.62$8,509
Oct 20060054.906.01$0
Sep 20060060.085.04$0
Aug 20060068.717.34$0
Jul 20060069.376.34$0
Jun 2006162066.286.38$10,737
May 20060066.016.42$0
Apr 20060064.397.36$0
Mar 20060056.707.08$0
Feb 20060057.597.75$0
Jan 2006161060.598.93$9,755
Dec 20050054.9413.42$0
Nov 20050054.6910.59$0
Oct 20050058.3413.80$0
Sep 2005172061.4512.08$10,569
Aug 20050061.519.80$0
Jul 20050055.697.84$0
Jun 20050052.337.38$0
May 20050045.226.65$0
Apr 2005165049.207.36$8,118
Mar 20050050.377.15$0
Feb 20050045.226.31$0
Jan 2005153043.166.32$6,603
Dec 20040039.866.75$0
Nov 20040045.286.33$0
Oct 20040049.706.52$0
Sep 20040043.245.28$0
Aug 20040042.375.55$0
Jul 2004159038.286.08$6,087
Jun 20040036.106.43$0
May 20040037.486.49$0
Apr 2004173034.475.86$5,963
Mar 20040034.365.53$0
Feb 20040032.455.51$0
Jan 20040032.036.30$0
Dec 2003162030.266.30$4,902
Nov 20030028.804.60$0
Oct 20030028.174.76$0
Sep 20030026.314.75$0
Aug 2003157029.765.13$4,672
Jul 20030029.415.17$0
Jun 20030028.565.98$0
May 20030026.595.97$0
Apr 2003156026.675.41$4,161
Mar 20030031.146.10$0
Feb 2003159033.487.93$5,323
Jan 20030030.315.58$0
Dec 2002168026.914.85$4,521
Nov 20020024.664.14$0
Oct 2002164026.464.23$4,339
Sep 20020027.443.64$0
Aug 20020025.963.16$0
Jul 2002159024.583.06$3,908
Jun 20020023.733.34$0
May 2002155024.663.58$3,822
Apr 20020023.653.51$0
Mar 2002162022.003.10$3,564
Feb 20020018.222.38$0
Jan 20020017.172.38$0
Dec 2001157016.932.36$2,658
Nov 20010018.072.41$0
Oct 20010019.782.53$0
Sep 20010024.262.25$0
Aug 2001174024.873.05$4,327
Jul 20010023.933.20$0
Jun 2001164024.563.82$4,028
May 20010025.524.31$0
Apr 2001175024.685.34$4,319
Mar 20010024.545.38$0
Feb 20010027.755.77$0
Jan 20010027.478.40$0
Dec 20000026.889.12$0
Nov 20000032.215.66$0
Oct 20000031.235.15$0
Sep 2000171031.875.19$5,450
Aug 2000172029.644.54$5,098
Jul 20000028.534.09$0
Jun 2000171029.304.40$5,010
May 2000173027.263.68$4,716
Apr 20000024.513.12$0
Mar 20000028.422.86$0
Feb 2000177027.622.73$4,889
Jan 20000025.272.48$0
Dec 1999173024.282.42$4,200
Nov 19990023.192.43$0
Oct 1999158020.982.80$3,315
Sep 19990021.752.62$0
Aug 1999176019.262.88$3,390
Jul 1999162017.892.37$2,898
Jun 19990015.942.36$0
May 19990015.792.32$0
Apr 1999163015.102.21$2,461
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 19980011.742.24$0
Jun 19980011.242.24$0
May 1998172012.622.21$2,171
Apr 19980013.042.51$0
Mar 19980012.802.31$0
Feb 19980013.952.30$0
Jan 19980014.702.15$0
Dec 19970016.322.41$0
Nov 19970018.193.09$0
Oct 19970019.253.15$0
Sep 19970017.742.95$0
Aug 19970017.862.55$0
Jul 19970017.582.25$0
Jun 19970017.242.26$0
May 1997183018.972.31$3,472
Apr 19970017.882.08$0
Mar 19970018.951.94$0
Feb 19970020.492.21$0
Jan 19970023.483.54$0
Dec 19960023.32$0
Nov 19960021.97$0
Oct 1996181023.31$4,219
Sep 19960022.22$0
Aug 19960020.26$0
Jul 19960019.55$0
Jun 19960018.73$0
May 19960019.43$0
Apr 1996175021.51$3,764
Mar 19960019.38$0
Feb 19960016.98$0
Jan 19960017.07$0
Dec 19950017.19$0
Nov 19950016.00$0
Oct 1995168015.43$2,592
Sep 19950016.18$0
Aug 19950015.92$0
Jul 19950015.24$0
Jun 19950016.41$0
May 1995181017.56$3,178
Apr 19950017.73$0
Mar 19950016.44$0
Feb 19950016.58$0
Jan 1995175015.92$2,786
Dec 19940015.03$0
Nov 19940015.90$0
Oct 19940015.58$0
Sep 19940115.29$0
Aug 19940116.13$0
Jul 1994162117.56$2,845
Jun 19940117.09$0
May 19940115.88$0
Apr 1994188114.14$2,658
Mar 19940112.46$0
Feb 19940112.50$0
Jan 19940112.66$0
Dec 19930112.33$0
Nov 19930114.49$0
Oct 19930115.85$0
Sep 19930115.03$0
Aug 19930115.66$0
Jul 1993187115.46$2,891
Jun 19930116.79$0
May 19930117.68$0
Apr 19930118.05$0
Mar 19930118.14$0
Feb 1993179117.90$3,204
Jan 19930116.93$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 2025 — as filed, then multipliedworked
Oil                  187 bbl  × $ 60.55 =    $11,323
Casinghead gas         0 Mcf  × $  3.23 =         $0

────────────────────────────────────────────────────
Month total                                  $11,323

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/O/3539 is the state's own key, not one this site invented.