ERTZNER, FRED

Operated by PETROSAURUS, INC. (P-5 660025) in the LA VERNIA field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 11544District 01Field 51093001OilCasinghead gasSaveExport
Value, all time
$281 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 387 leases and 2,110 wells, and the rule below applies to all of them.

Discovered
1939-12-13
as the register files it
Field class
Oil
the register's own label
Between wells
300 ft
minimum
From a lease line
150 ft
minimum

A drilling unit in this field needs at least 2.06 acres. The field rule took effect on 1983-02-07.

The Commission's schedule remark for this field reads: DOCKET #1-85148 ALLOWS OP. TO DEVELOP ON 2.06 ACRES

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
OilDisposition7,954 bbl$280,799
Casinghead gasProduction95 Mcf$128
Total$280,928

48 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 29.3649, -98.0944. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.1 miles.

29.36494, -98.09435 · 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%
2 of 2 wells
With a plug date
100.0%
2 of 2 wells
Median depth
1,350 ft
2 wells filed one
Completion to plug
29.9 years
median over 2 wells

What the state filed about each well

On the RRC proration schedule
2100.0%
A plug date is filed
2100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
2100.0%
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

Between 1,350 and 1,350 ft, median 1,350 ft, over the 2 wells that filed a depth.

Completions filed
Jun 1986 – Nov 1986
2 of 2 wells
Plug dates filed
Dec 2006 – Mar 2026
2 of 2 wells

Last completion to plug: a median of 29.9 years across the 2 wells that filed both dates, with the middle half between 25.0 years and 34.8 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

2 wells

42-4933192221,350 ftNov 1986Dec 2006Yes
42-4933185911,350 ftJun 1986Mar 2026Yes

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 202043038.371.83$1,650
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 201945059.012.30$2,655
Nov 20190055.302.75$0
Oct 20190053.472.42$0
Sep 20190055.052.66$0
Aug 20190053.112.30$0
Jul 201947056.272.46$2,645
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 201955046.033.23$2,532
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 201823065.142.93$1,498
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 201717057.272.92$974
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 201675041.442.92$3,108
Jul 20160041.622.92$0
Jun 20160045.352.69$0
May 20160042.521.99$0
Apr 20160036.561.99$0
Mar 2016111033.011.79$3,664
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 2015136056.152.88$7,636
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 201483096.564.18$8,014
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 201436090.404.86$3,254
Dec 20130091.824.35$0
Nov 20130088.853.74$0
Oct 201385097.423.78$8,281
Sep 201300104.113.72$0
Aug 201300104.253.52$0
Jul 201300102.523.72$0
Jun 20130094.403.93$0
May 201327094.834.15$2,560
Apr 20130093.964.28$0
Mar 20130093.623.91$0
Feb 20130091.233.42$0
Jan 201395091.603.42$8,702
Dec 20120086.773.42$0
Nov 20120086.953.62$0
Oct 20120089.383.40$0
Sep 20120094.672.92$0
Aug 2012106092.662.91$9,822
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 20120098.092.73$0
Dec 2011130096.873.24$12,593
Nov 20110095.723.31$0
Oct 20110084.983.65$0
Sep 20110083.623.99$0
Aug 20110083.404.15$0
Jul 20110094.144.52$0
Jun 20110092.904.64$0
May 2011103098.134.40$10,107
Apr 201100105.964.33$0
Mar 20110096.364.06$0
Feb 20110085.644.18$0
Jan 20110086.504.59$0
Dec 201079085.734.35$6,773
Nov 20100080.843.80$0
Oct 20100078.103.51$0
Sep 20100072.633.98$0
Aug 2010115073.684.42$8,473
Jul 20100072.554.74$0
Jun 20100070.364.91$0
May 20100071.124.24$0
Apr 2010110081.694.12$8,986
Mar 20100078.394.39$0
Feb 20100073.585.44$0
Jan 20100074.365.96$0
Dec 200985071.445.48$6,072
Nov 20090074.593.75$0
Oct 20090072.544.11$0
Sep 20090065.543.06$0
Aug 20090067.423.22$0
Jul 200984061.133.46$5,135
Jun 20090066.163.90$0
May 20090054.743.93$0
Apr 2009108046.773.59$5,051
Mar 20090042.144.06$0
Feb 20090032.814.63$0
Jan 20090035.865.37$0
Dec 2008102037.105.98$3,784
Nov 20080055.496.86$0
Oct 20080075.246.92$0
Sep 200800101.767.88$0
Aug 2008740114.228.48$8,452
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 200755075.846.24$4,171
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 200737056.927.30$2,106
Feb 20070055.108.22$0
Jan 20070050.306.73$0
Dec 20060056.656.92$0
Nov 20060054.207.62$0
Oct 200632054.906.01$1,757
Sep 20060060.085.04$0
Aug 20060068.717.34$0
Jul 20060069.376.34$0
Jun 200675066.286.38$4,971
May 20060066.016.42$0
Apr 20060064.397.36$0
Mar 20060056.707.08$0
Feb 20060057.597.75$0
Jan 200691060.598.93$5,514
Dec 20050054.9413.42$0
Nov 20050054.6910.59$0
Oct 20050058.3413.80$0
Sep 200582061.4512.08$5,039
Aug 20050061.519.80$0
Jul 20050055.697.84$0
Jun 20050052.337.38$0
May 20050045.226.65$0
Apr 20050049.207.36$0
Mar 200598050.377.15$4,936
Feb 20050045.226.31$0
Jan 20050043.166.32$0
Dec 200434039.866.75$1,355
Nov 20040045.286.33$0
Oct 20040049.706.52$0
Sep 20040043.245.28$0
Aug 20040042.375.55$0
Jul 200476038.286.08$2,909
Jun 20040036.106.43$0
May 20040037.486.49$0
Apr 20040034.475.86$0
Mar 200466034.365.53$2,268
Feb 20040032.455.51$0
Jan 20040032.036.30$0
Dec 20030030.266.30$0
Nov 200388028.804.60$2,534
Oct 20030028.174.76$0
Sep 20030026.314.75$0
Aug 20030029.765.13$0
Jul 200375029.415.17$2,206
Jun 20030028.565.98$0
May 20030026.595.97$0
Apr 2003106026.675.41$2,827
Mar 20030031.146.10$0
Feb 20030033.487.93$0
Jan 20030030.315.58$0
Dec 200259026.914.85$1,588
Nov 20020024.664.14$0
Oct 2002110026.464.23$2,911
Sep 20020027.443.64$0
Aug 20020025.963.16$0
Jul 20020024.583.06$0
Jun 200285023.733.34$2,017
May 20020024.663.58$0
Apr 20020023.653.51$0
Mar 200276022.003.10$1,672
Feb 20020018.222.38$0
Jan 20020017.172.38$0
Dec 200193016.932.36$1,574
Nov 20010018.072.41$0
Oct 20010019.782.53$0
Sep 200163024.262.25$1,528
Aug 200125024.873.05$622
Jul 20010023.933.20$0
Jun 200192024.563.82$2,260
May 200140025.524.31$1,021
Apr 20010024.685.34$0
Mar 20010024.545.38$0
Feb 200163027.755.77$1,748
Jan 20010027.478.40$0
Dec 200068026.889.12$1,828
Nov 20000132.215.66$6
Oct 200070131.235.15$2,191
Sep 20000131.875.19$5
Aug 200080129.644.54$2,376
Jul 20000128.534.09$4
Jun 200076129.304.40$2,231
May 20000127.263.68$4
Apr 200080124.513.12$1,964
Mar 20000128.422.86$3
Feb 2000125127.622.73$3,455
Jan 20000125.272.48$2
Dec 1999150124.282.42$3,644
Nov 19990123.192.43$2
Oct 19990120.982.80$3
Sep 19990121.752.62$3
Aug 1999116119.262.88$2,237
Jul 19990117.892.37$2
Jun 19990115.942.36$2
May 199991115.792.32$1,439
Apr 19990115.102.21$2
Mar 19990112.471.84$2
Feb 19996919.981.82$690
Jan 19990110.381.90$2
Dec 19986319.201.77$581
Nov 19980110.892.19$2
Oct 199895112.421.97$1,182
Sep 19980112.592.08$2
Aug 1998101111.301.91$1,143
Jul 19980111.742.24$2
Jun 199874111.242.24$834
May 1998111112.622.21$1,403
Apr 19980113.042.51$3
Mar 19980112.802.31$2
Feb 199864113.952.30$895
Jan 199870114.702.15$1,031
Dec 19970116.322.41$2
Nov 199780118.193.09$1,458
Oct 199782119.253.15$1,582
Sep 19970117.742.95$3
Aug 19970117.862.55$3
Jul 199786117.582.25$1,514
Jun 19970117.242.26$2
May 199779118.972.31$1,501
Apr 19970117.882.08$2
Mar 1997102118.951.94$1,935
Feb 19970120.492.21$2
Jan 199788123.483.54$2,070
Dec 19960123.32$0
Nov 199690121.97$1,977
Oct 199656123.31$1,305
Sep 19960122.22$0
Aug 1996104120.26$2,107
Jul 19960119.55$0
Jun 1996105118.73$1,967
May 19960119.43$0
Apr 199663121.51$1,355
Mar 1996113119.38$2,190
Feb 19960116.98$0
Jan 199665117.07$1,110
Dec 199579117.19$1,358
Nov 199589116.00$1,424
Oct 19950115.43$0
Sep 199568116.18$1,100
Aug 19950115.92$0
Jul 199566115.24$1,006
Jun 19950116.41$0
May 199574117.56$1,299
Apr 19950117.73$0
Mar 199580116.44$1,315
Feb 19950116.58$0
Jan 199586115.92$1,369
Dec 19940115.03$0
Nov 199471115.90$1,129
Oct 199497115.58$1,511
Sep 19940115.29$0
Aug 19940116.13$0
Jul 199482117.56$1,440
Jun 19940117.09$0
May 199464115.88$1,016
Apr 199478114.14$1,103
Mar 19940112.46$0
Feb 199453112.50$663
Jan 199458112.66$734
Dec 199359112.33$727
Nov 199359114.49$855
Oct 199358115.85$919
Sep 199366115.03$992
Aug 199356115.66$877
Jul 199368115.46$1,051
Jun 199379116.79$1,326
May 19930117.68$0
Apr 1993132118.05$2,383
Mar 19930118.14$0
Feb 199360117.90$1,074
Jan 199361116.93$1,033

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.

Jul 2020 — as filed, then multipliedworked
Oil                   43 bbl  × $ 38.37 =     $1,650
Casinghead gas         0 Mcf  × $  1.83 =         $0

────────────────────────────────────────────────────
Month total                                   $1,650

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. 01/O/11544 is the state's own key, not one this site invented.