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MANN, A. T., -A-

Operated by KLASSEN ENERGY, INC. (P-5 469922) in the CROCKETT field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 5253District 7CField 21766001Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$564 k
Jan 1993 – May 2026
Value, last 12 filed months
$17 k
at the published price for each month
Months reported
401
no gaps in the span
Streams
2
oil, casinghead gas

The CROCKETT 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 35 leases and 188 wells, and the rule below applies to all of them.

Discovered
1938-12-31
as the register files it
Field class
Oil
the register's own label
Between wells
660 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 10 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.

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
OilDisposition10,562 bbl$563,554
Casinghead gasProduction117 Mcf$290
Total$563,844

44 Mcf of this lease's gas, across 44 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 (4)

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 31.0682, -102.0586. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.4 miles.

31.06824, -102.05910 · 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
25.0%
1 of 4 wells
With a plug date
0.0%
0 of 4 wells
Median depth
1,740 ft
3 wells filed one
Completion to plug
—
no well filed both dates

What the state filed about each well

On the RRC proration schedule
125.0%
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.
375.0%

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 1,700 and 1,748 ft, median 1,740 ft, over the 3 wells that filed a depth.

Completions filed
Oct 1967 – Jun 1968
3 of 4 wells; 1 filed none

4 wells

42-105806481———Yes
42-1051099741,700 ftJun 1968——
42-1051097331,748 ftMar 1968——
42-1051089221,740 ftOct 1967——

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 2026750106.413.05$7,981
Apr 20260098.932.87$0
Mar 20260089.753.15$0
Feb 202676063.503.75$4,826
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 202566063.933.01$4,219
Jul 20250066.743.32$0
Jun 20250066.483.13$0
May 202594060.553.23$5,692
Apr 20250062.363.54$0
Mar 20250067.704.27$0
Feb 202569070.884.34$4,891
Jan 20250074.324.28$0
Dec 20240068.993.12$0
Nov 20240069.052.20$0
Oct 202497071.372.28$6,923
Sep 20240069.612.36$0
Aug 20240075.632.06$0
Jul 202498079.932.15$7,833
Jun 20240078.082.63$0
May 20240078.812.20$0
Apr 202497084.451.66$8,192
Mar 20240080.301.55$0
Feb 20240076.091.78$0
Jan 202496073.023.30$7,010
Dec 20230071.262.61$0
Nov 20230077.892.81$0
Oct 202397085.443.09$8,288
Sep 20230089.042.74$0
Aug 20230080.522.67$0
Jul 2023102074.852.64$7,635
Jun 20230068.962.26$0
May 20230070.622.23$0
Apr 202393078.122.24$7,265
Mar 20230072.852.39$0
Feb 20230075.112.47$0
Jan 202392076.533.39$7,041
Dec 20220076.415.73$0
Nov 20220085.005.65$0
Oct 202294087.185.86$8,195
Sep 20220084.888.16$0
Aug 20220094.529.13$0
Jul 2022970101.587.54$9,853
Jun 202200115.097.98$0
May 202200109.378.43$0
Apr 202200104.226.84$0
Mar 20221070108.885.08$11,650
Feb 20220091.054.86$0
Jan 20220081.844.54$0
Dec 202195071.323.90$6,775
Nov 20210077.435.24$0
Oct 20210079.795.71$0
Sep 202196069.865.35$6,707
Aug 20210066.024.22$0
Jul 20210070.783.98$0
Jun 20210069.493.38$0
May 202192063.483.02$5,840
Apr 20210060.362.76$0
Mar 20210061.302.72$0
Feb 202197057.805.55$5,607
Jan 20210050.412.81$0
Dec 20200044.642.68$0
Nov 20200038.772.71$0
Oct 202095036.972.48$3,512
Sep 20200037.091.99$0
Aug 20200039.982.39$0
Jul 202095038.371.83$3,645
Jun 2020103034.901.69$3,595
May 20200016.921.81$0
Apr 20200014.751.80$0
Mar 20200030.341.86$0
Feb 20200049.881.98$0
Jan 202097057.252.09$5,553
Dec 20190059.012.30$0
Nov 20190055.302.75$0
Oct 201991053.472.42$4,866
Sep 20190055.052.66$0
Aug 20190053.112.30$0
Jul 20190056.272.46$0
Jun 201993052.782.49$4,909
May 20190058.482.74$0
Apr 20190062.632.75$0
Mar 201990056.803.06$5,112
Feb 20190050.852.79$0
Jan 20190046.033.23$0
Dec 201897046.594.19$4,519
Nov 20180052.934.24$0
Oct 20180061.443.40$0
Sep 201896059.543.11$5,716
Aug 20180059.403.07$0
Jul 20180065.142.93$0
Jun 201897060.183.08$5,837
May 20180065.382.90$0
Apr 20180063.842.90$0
Mar 2018100061.222.79$6,122
Feb 20180061.782.77$0
Jan 20180062.874.01$0
Dec 201794057.272.92$5,383
Nov 20170055.423.12$0
Oct 20170049.292.98$0
Sep 201792047.523.09$4,372
Aug 20170045.373.00$0
Jul 20170043.873.09$0
Jun 201796042.493.09$4,079
May 20170045.373.26$0
Apr 20170047.933.21$0
Mar 201796046.772.98$4,490
Feb 20170050.452.95$0
Jan 20170049.413.42$0
Dec 201696048.763.72$4,681
Nov 20160042.492.64$0
Oct 20160046.193.09$0
Sep 201697041.553.10$4,030
Aug 20160041.442.92$0
Jul 20160041.622.92$0
Jun 201690045.352.69$4,082
May 20160042.521.99$0
Apr 201695036.561.99$3,473
Mar 20160033.011.79$0
Feb 20160026.472.06$0
Jan 2016104027.352.36$2,844
Dec 20150032.362.00$0
Nov 20150038.792.17$0
Oct 201597043.552.43$4,224
Sep 20150042.992.76$0
Aug 20150040.162.87$0
Jul 201591048.152.95$4,382
Jun 20150056.152.88$0
May 20150055.212.96$0
Apr 201591049.822.71$4,534
Mar 20150042.892.93$0
Feb 2015103044.662.98$4,600
Jan 20150043.433.10$0
Dec 20140054.693.59$0
Nov 201495070.464.25$6,694
Oct 20140078.303.90$0
Sep 20140086.164.05$0
Aug 201494089.394.04$8,403
Jul 20140096.564.18$0
Jun 20140098.164.74$0
May 2014101094.734.73$9,568
Apr 20140095.944.81$0
Mar 20140095.895.06$0
Feb 201493097.406.19$9,058
Jan 20140090.404.86$0
Dec 201394091.824.35$8,631
Nov 20130088.853.74$0
Oct 20130097.423.78$0
Sep 2013940104.113.72$9,786
Aug 201300104.253.52$0
Jul 201300102.523.72$0
Jun 201398094.403.93$9,251
May 20130094.834.15$0
Apr 201395093.964.28$8,926
Mar 20130093.623.91$0
Feb 20130091.233.42$0
Jan 201368091.603.42$6,229
Dec 20120086.773.42$0
Nov 20120086.953.62$0
Oct 201298089.383.40$8,759
Sep 20120094.672.92$0
Aug 201297092.662.91$8,988
Jul 20120085.133.02$0
Jun 20120079.822.52$0
May 201295091.612.49$8,703
Apr 201200101.652.00$0
Mar 20121000105.052.22$10,505
Feb 201200101.102.57$0
Jan 20120098.092.73$0
Dec 2011100096.873.24$9,687
Nov 20110095.723.31$0
Oct 20110084.983.65$0
Sep 201193083.623.99$7,777
Aug 20110083.404.15$0
Jul 201197094.144.52$9,132
Jun 20110092.904.64$0
May 2011101098.134.40$9,911
Apr 20111060105.964.33$11,232
Mar 20110096.364.06$0
Feb 201194085.644.18$8,050
Jan 20110086.504.59$0
Dec 2010107085.734.35$9,173
Nov 20100080.843.80$0
Oct 2010114078.103.51$8,903
Sep 201071072.633.98$5,157
Aug 2010104073.684.42$7,663
Jul 2010110072.554.74$7,981
Jun 2010108070.364.91$7,599
May 20100071.124.24$0
Apr 20100081.694.12$0
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 20090054.743.93$0
Apr 2009113046.773.59$5,285
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 20080075.246.92$0
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 200800110.3110.45$0
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 20070075.846.24$0
Aug 20070069.066.39$0
Jul 20070070.906.39$0
Jun 20070062.007.55$0
May 20070058.747.85$0
Apr 20070059.617.81$0
Mar 20070056.927.30$0
Feb 20070055.108.22$0
Jan 20070050.306.73$0
Dec 20060056.656.92$0
Nov 20060054.207.62$0
Oct 20060054.906.01$0
Sep 20060060.085.04$0
Aug 20060068.717.34$0
Jul 20060069.376.34$0
Jun 20060066.286.38$0
May 20060066.016.42$0
Apr 20060064.397.36$0
Mar 20060056.707.08$0
Feb 20060057.597.75$0
Jan 20060060.598.93$0
Dec 20050054.9413.42$0
Nov 200575054.6910.59$4,102
Oct 20050058.3413.80$0
Sep 20050061.4512.08$0
Aug 200571061.519.80$4,367
Jul 20050055.697.84$0
Jun 20050052.337.38$0
May 20050045.226.65$0
Apr 20050049.207.36$0
Mar 20050050.377.15$0
Feb 20050145.226.31$6
Jan 20050143.166.32$6
Dec 200474139.866.75$2,956
Nov 20040145.286.33$6
Oct 20040149.706.52$7
Sep 200475143.245.28$3,248
Aug 20040042.375.55$0
Jul 200471138.286.08$2,724
Jun 200475136.106.43$2,714
May 20040137.486.49$6
Apr 200470134.475.86$2,419
Mar 20040034.365.53$0
Feb 20040132.455.51$6
Jan 20040032.036.30$0
Dec 20030030.266.30$0
Nov 20030128.804.60$5
Oct 20030128.174.76$5
Sep 2003152126.314.75$4,004
Aug 20030029.765.13$0
Jul 20030129.415.17$5
Jun 20030128.565.98$6
May 20030126.595.97$6
Apr 2003175126.675.41$4,673
Mar 20030131.146.10$6
Feb 20030133.487.93$8
Jan 20030130.315.58$6
Dec 2002167126.914.85$4,499
Nov 20020124.664.14$4
Oct 20020126.464.23$4
Sep 20020127.443.64$4
Aug 20020125.963.16$3
Jul 20020124.583.06$3
Jun 20020123.733.34$3
May 20020124.663.58$4
Apr 20020023.653.51$0
Mar 20020122.003.10$3
Feb 20020118.222.38$2
Jan 2002169117.172.38$2,904
Dec 20010116.932.36$2
Nov 20010018.072.41$0
Oct 20010019.782.53$0
Sep 20010024.262.25$0
Aug 20010024.873.05$0
Jul 20010023.933.20$0
Jun 20010024.563.82$0
May 20010125.524.31$4
Apr 20010124.685.34$5
Mar 20010024.545.38$0
Feb 20010127.755.77$6
Jan 20010027.478.40$0
Dec 2000171126.889.12$4,606
Nov 20000032.215.66$0
Oct 20000131.235.15$5
Sep 2000159131.875.19$5,073
Aug 20000129.644.54$5
Jul 2000174128.534.09$4,968
Jun 20000129.304.40$4
May 20000127.263.68$4
Apr 2000159124.513.12$3,900
Mar 20000128.422.86$3
Feb 20000127.622.73$3
Jan 20000125.272.48$2
Dec 19990124.282.42$2
Nov 19990123.192.43$2
Oct 19990120.982.80$3
Sep 1999115121.752.62$2,504
Aug 19990119.262.88$3
Jul 1999175117.892.37$3,133
Jun 19990115.942.36$2
May 19990115.792.32$2
Apr 1999156115.102.21$2,358
Mar 19990112.471.84$2
Feb 1999019.981.82$2
Jan 19990110.381.90$2
Dec 1998019.201.77$2
Nov 199888010.892.19$958
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 19980012.622.21$0
Apr 19980013.042.51$0
Mar 1998158012.802.31$2,022
Feb 19980013.952.30$0
Jan 19980114.702.15$2
Dec 19970116.322.41$2
Nov 19970118.193.09$3
Oct 19970119.253.15$3
Sep 1997189117.742.95$3,356
Aug 19970117.862.55$3
Jul 19970117.582.25$2
Jun 19970117.242.26$2
May 19970118.972.31$2
Apr 1997190117.882.08$3,399
Mar 19970118.951.94$2
Feb 19970120.492.21$2
Jan 19970123.483.54$4
Dec 19960123.32—$0
Nov 19960121.97—$0
Oct 19960123.31—$0
Sep 19960122.22—$0
Aug 1996188120.26—$3,809
Jul 19960119.55—$0
Jun 19960118.73—$0
May 19960119.43—$0
Apr 19960121.51—$0
Mar 1996176119.38—$3,411
Feb 19960116.98—$0
Jan 19960117.07—$0
Dec 19950117.19—$0
Nov 19950116.00—$0
Oct 19950115.43—$0
Sep 19950116.18—$0
Aug 19950115.92—$0
Jul 19950115.24—$0
Jun 19950116.41—$0
May 19950117.56—$0
Apr 19950117.73—$0
Mar 19950116.44—$0
Feb 19950116.58—$0
Jan 19950115.92—$0
Dec 19940115.03—$0
Nov 19940115.90—$0
Oct 19940115.58—$0
Sep 19940015.29—$0
Aug 19940016.13—$0
Jul 19940117.56—$0
Jun 19940117.09—$0
May 19940015.88—$0
Apr 19940014.14—$0
Mar 19940112.46—$0
Feb 1994178112.50—$2,225
Jan 19940112.66—$0
Dec 19930112.33—$0
Nov 19930114.49—$0
Oct 19930115.85—$0
Sep 19930115.03—$0
Aug 1993125115.66—$1,958
Jul 1993183115.46—$2,829
Jun 19930116.79—$0
May 19930117.68—$0
Apr 1993102118.05—$1,841
Mar 19930118.14—$0
Feb 199336117.90—$644
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 2026 — as filed, then multipliedworked
Oil                   75 bbl  × $106.41 =     $7,981
Casinghead gas         0 Mcf  × $  3.05 =         $0

────────────────────────────────────────────────────
Month total                                   $7,981

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/5253 is the state's own key, not one this site invented.