SHEDROCK, WALTER

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 11545District 01Field 51093001OilCasinghead gasSaveExport
Value, all time
$353 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
OilDisposition8,377 bbl$352,490
Casinghead gasProduction95 Mcf$128
Total$352,619

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 (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 29.1955, -98.1441. A lease has no coordinate of its own — that point is the mean of its wells, and they span 46.8 miles, so treat it as the lease's centre and not as its location.

29.02679, -98.19719 · 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
75.0%
3 of 4 wells
With a plug date
25.0%
1 of 4 wells
Median depth
1,358 ft
4 wells filed one
Completion to plug
39.8 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
375.0%
A plug date is filed
125.0%
BothOn the schedule and plugged. Neither fact cancels the other.
125.0%
NeitherNo plug date, and not on the schedule.
125.0%

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 1,315 and 10,883 ft, median 1,358 ft, over the 4 wells that filed a depth.

Completions filed
Jun 1986 – Mar 2022
4 of 4 wells
Plug dates filed
Mar 2026
1 of 4 wells; 3 filed none

Last completion to plug: a median of 39.8 years across the 1 well that filed both dates, with the middle half between 39.8 years and 39.8 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

4 wells

42-013355668AC10,883 ftMar 2022
42-4933199931,375 ftJun 1988Yes
42-4933191821,315 ftNov 1986Yes
42-4933185611,340 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 202089039.982.39$3,558
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 202049057.252.09$2,805
Dec 201922059.012.30$1,298
Nov 20190055.302.75$0
Oct 20190053.472.42$0
Sep 201938055.052.66$2,092
Aug 20190053.112.30$0
Jul 20190056.272.46$0
Jun 201963052.782.49$3,325
May 20190058.482.74$0
Apr 20190062.632.75$0
Mar 20190056.803.06$0
Feb 201983050.852.79$4,221
Jan 20190046.033.23$0
Dec 20180046.594.19$0
Nov 20180052.934.24$0
Oct 201840061.443.40$2,458
Sep 201840059.543.11$2,382
Aug 201859059.403.07$3,505
Jul 20180065.142.93$0
Jun 20180060.183.08$0
May 201846065.382.90$3,007
Apr 201851063.842.90$3,256
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 201738049.292.98$1,873
Sep 20170047.523.09$0
Aug 20170045.373.00$0
Jul 20170043.873.09$0
Jun 20170042.493.09$0
May 201753045.373.26$2,405
Apr 20170047.933.21$0
Mar 20170046.772.98$0
Feb 201747050.452.95$2,371
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 201660041.442.92$2,486
Jul 20160041.622.92$0
Jun 20160045.352.69$0
May 20160042.521.99$0
Apr 20160036.561.99$0
Mar 2016102033.011.79$3,367
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 2015162042.992.76$6,964
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 201471078.303.90$5,559
Sep 20140086.164.05$0
Aug 20140089.394.04$0
Jul 201465096.564.18$6,276
Jun 20140098.164.74$0
May 20140094.734.73$0
Apr 20140095.944.81$0
Mar 20140095.895.06$0
Feb 2014101097.406.19$9,837
Jan 20140090.404.86$0
Dec 20130091.824.35$0
Nov 20130088.853.74$0
Oct 201384097.423.78$8,183
Sep 201300104.113.72$0
Aug 201300104.253.52$0
Jul 201300102.523.72$0
Jun 20130094.403.93$0
May 201388094.834.15$8,345
Apr 20130093.964.28$0
Mar 20130093.623.91$0
Feb 20130091.233.42$0
Jan 2013149091.603.42$13,648
Dec 20120086.773.42$0
Nov 20120086.953.62$0
Oct 20120089.383.40$0
Sep 20120094.672.92$0
Aug 201261092.662.91$5,652
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 20121150101.102.57$11,627
Jan 20120098.092.73$0
Dec 201135096.873.24$3,390
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 201159098.134.40$5,790
Apr 201100105.964.33$0
Mar 201143096.364.06$4,143
Feb 201131085.644.18$2,655
Jan 20110086.504.59$0
Dec 20100085.734.35$0
Nov 20100080.843.80$0
Oct 201099078.103.51$7,732
Sep 20100072.633.98$0
Aug 20100073.684.42$0
Jul 20100072.554.74$0
Jun 201072070.364.91$5,066
May 20100071.124.24$0
Apr 201055081.694.12$4,493
Mar 20100078.394.39$0
Feb 20100073.585.44$0
Jan 20100074.365.96$0
Dec 200973071.445.48$5,215
Nov 20090074.593.75$0
Oct 20090072.544.11$0
Sep 2009165065.543.06$10,814
Aug 20090067.423.22$0
Jul 20090061.133.46$0
Jun 20090066.163.90$0
May 20090054.743.93$0
Apr 20090046.773.59$0
Mar 20090042.144.06$0
Feb 200970032.814.63$2,297
Jan 20090035.865.37$0
Dec 200858037.105.98$2,152
Nov 20080055.496.86$0
Oct 20080075.246.92$0
Sep 200800101.767.88$0
Aug 2008730114.228.48$8,338
Jul 200800131.0811.39$0
Jun 20081060131.3313.03$13,921
May 200800123.1711.57$0
Apr 200800110.3110.45$0
Mar 200800101.909.66$0
Feb 20080092.538.77$0
Jan 200865090.388.21$5,875
Dec 200750088.337.30$4,417
Nov 20070091.677.29$0
Oct 20070082.856.92$0
Sep 200797075.846.24$7,356
Aug 20070069.066.39$0
Jul 20070070.906.39$0
Jun 200793062.007.55$5,766
May 20070058.747.85$0
Apr 20070059.617.81$0
Mar 2007135056.927.30$7,684
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 2006101060.085.04$6,068
Aug 20060068.717.34$0
Jul 20060069.376.34$0
Jun 2006128066.286.38$8,484
May 20060066.016.42$0
Apr 20060064.397.36$0
Mar 20060056.707.08$0
Feb 200647057.597.75$2,707
Jan 20060060.598.93$0
Dec 20050054.9413.42$0
Nov 20050054.6910.59$0
Oct 20050058.3413.80$0
Sep 200580061.4512.08$4,916
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 200569050.377.15$3,476
Feb 20050045.226.31$0
Jan 20050043.166.32$0
Dec 20040039.866.75$0
Nov 200430045.286.33$1,358
Oct 20040049.706.52$0
Sep 20040043.245.28$0
Aug 20040042.375.55$0
Jul 200452038.286.08$1,991
Jun 20040036.106.43$0
May 20040037.486.49$0
Apr 200463034.475.86$2,172
Mar 20040034.365.53$0
Feb 20040032.455.51$0
Jan 20040032.036.30$0
Dec 200336030.266.30$1,089
Nov 200379028.804.60$2,275
Oct 20030028.174.76$0
Sep 20030026.314.75$0
Aug 200333029.765.13$982
Jul 200369029.415.17$2,029
Jun 20030028.565.98$0
May 20030026.595.97$0
Apr 200359026.675.41$1,574
Mar 20030031.146.10$0
Feb 200357033.487.93$1,908
Jan 20030030.315.58$0
Dec 200273026.914.85$1,964
Nov 20020024.664.14$0
Oct 200254026.464.23$1,429
Sep 20020027.443.64$0
Aug 2002144025.963.16$3,738
Jul 20020024.583.06$0
Jun 20020023.733.34$0
May 20020024.663.58$0
Apr 20020023.653.51$0
Mar 200281022.003.10$1,782
Feb 20020018.222.38$0
Jan 20020017.172.38$0
Dec 200162016.932.36$1,050
Nov 20010018.072.41$0
Oct 200167019.782.53$1,325
Sep 20010024.262.25$0
Aug 200176024.873.05$1,890
Jul 20010023.933.20$0
Jun 200176024.563.82$1,867
May 20010025.524.31$0
Apr 20010024.685.34$0
Mar 20010024.545.38$0
Feb 200130027.755.77$833
Jan 20010027.478.40$0
Dec 200055026.889.12$1,478
Nov 20000132.215.66$6
Oct 200066131.235.15$2,066
Sep 20000131.875.19$5
Aug 200081129.644.54$2,405
Jul 20000128.534.09$4
Jun 200067129.304.40$1,968
May 20000127.263.68$4
Apr 200073124.513.12$1,792
Mar 20000128.422.86$3
Feb 20000127.622.73$3
Jan 20000125.272.48$2
Dec 1999148124.282.42$3,596
Nov 19990123.192.43$2
Oct 19990120.982.80$3
Sep 19990121.752.62$3
Aug 199918119.262.88$350
Jul 1999146117.892.37$2,614
Jun 19990115.942.36$2
May 19990115.792.32$2
Apr 19990115.102.21$2
Mar 19990112.471.84$2
Feb 19994119.981.82$411
Jan 19990110.381.90$2
Dec 19986319.201.77$581
Nov 19980110.892.19$2
Oct 199883112.421.97$1,033
Sep 19980112.592.08$2
Aug 199850111.301.91$567
Jul 199887111.742.24$1,024
Jun 19980111.242.24$2
May 1998136112.622.21$1,719
Apr 19980113.042.51$3
Mar 19980112.802.31$2
Feb 199862113.952.30$867
Jan 19980114.702.15$2
Dec 199746116.322.41$753
Nov 199775118.193.09$1,367
Oct 19970119.253.15$3
Sep 19970117.742.95$3
Aug 19970117.862.55$3
Jul 199767117.582.25$1,180
Jun 19970117.242.26$2
May 199791118.972.31$1,729
Apr 19970117.882.08$2
Mar 199781118.951.94$1,537
Feb 19970120.492.21$2
Jan 199784123.483.54$1,976
Dec 19960123.32$0
Nov 199643121.97$945
Oct 1996153123.31$3,566
Sep 19960122.22$0
Aug 19960120.26$0
Jul 199683119.55$1,623
Jun 19960118.73$0
May 199691119.43$1,768
Apr 199682121.51$1,764
Mar 19960119.38$0
Feb 19960116.98$0
Jan 199655117.07$939
Dec 199550117.19$860
Nov 199595116.00$1,520
Oct 19950115.43$0
Sep 1995104116.18$1,683
Aug 19950115.92$0
Jul 199566115.24$1,006
Jun 199575116.41$1,231
May 19950117.56$0
Apr 199573117.73$1,294
Mar 19950116.44$0
Feb 199575116.58$1,244
Jan 19950115.92$0
Dec 199468115.03$1,022
Nov 19940115.90$0
Oct 199475115.58$1,169
Sep 19940115.29$0
Aug 199477116.13$1,242
Jul 19940117.56$0
Jun 199486117.09$1,470
May 19940115.88$0
Apr 1994112114.14$1,584
Mar 19940112.46$0
Feb 19940112.50$0
Jan 1994119112.66$1,507
Dec 19930112.33$0
Nov 19930114.49$0
Oct 199381115.85$1,284
Sep 19930115.03$0
Aug 199385115.66$1,331
Jul 19930115.46$0
Jun 199350116.79$840
May 19930117.68$0
Apr 199343118.05$776
Mar 199351118.14$925
Feb 199395117.90$1,701
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.

Aug 2020 — as filed, then multipliedworked
Oil                   89 bbl  × $ 39.98 =     $3,558
Casinghead gas         0 Mcf  × $  2.39 =         $0

────────────────────────────────────────────────────
Month total                                   $3,558

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/11545 is the state's own key, not one this site invented.