TILLER, J. B.

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

Oil lease lease 1443District 01Field 79905001Hydrogen sulphide fieldNGPA filingOilCasinghead gasSaveExport
Value, all time
$171 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 415 leases and 1,904 wells, and the rule below applies to all of them.

Discovered
1928-05-28
as the register files it
Field class
Oil and gas
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 acres. The field rule took effect on 1952-08-04.

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: 100 % % DELIVERABILITY SHOULD BE USED (DAMEKI NYERI).

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
NGPA3none

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
OilDisposition5,308 bbl$166,255
Casinghead gasProduction7,361 Mcf$5,083
Total$171,338

5,269 Mcf of this lease's gas, across 47 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 29.7235, -97.6174. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.1 miles.

29.72331, -97.61782 · 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%
4 of 4 wells
With a plug date
100.0%
4 of 4 wells
Median depth
2,640 ft
3 wells filed one
Completion to plug
59.1 years
median over 3 wells

What the state filed about each well

On the RRC proration schedule
4100.0%
A plug date is filed
4100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
4100.0%
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 2,594 and 2,646 ft, median 2,640 ft, over the 3 wells that filed a depth.

Completions filed
Mar 1961 – Dec 1984
3 of 4 wells; 1 filed none
Plug dates filed
Dec 2025
4 of 4 wells

Last completion to plug: a median of 59.1 years across the 3 wells that filed both dates, with the middle half between 50.1 years and 61.9 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

4 wells

42-055046251Dec 2025Yes
42-0553374642,646 ftDec 1984Dec 2025Yes
42-0552046732,640 ftNov 1966Dec 2025Yes
42-0550462622,594 ftMar 1961Dec 2025Yes

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 2017171057.272.92$9,793
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 201732042.493.09$1,360
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 2015110048.152.95$5,297
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 20146090.404.86$542
Dec 20130091.824.35$0
Nov 20130088.853.74$0
Oct 201316097.423.78$1,559
Sep 2013170104.113.72$1,770
Aug 2013120104.253.52$1,251
Jul 2013230102.523.72$2,358
Jun 20138094.403.93$755
May 201322094.834.15$2,086
Apr 20130093.964.28$0
Mar 201333093.623.91$3,089
Feb 201320091.233.42$1,825
Jan 20130091.603.42$0
Dec 20120086.773.42$0
Nov 20120086.953.62$0
Oct 201239089.383.40$3,486
Sep 20120094.672.92$0
Aug 201213092.662.91$1,205
Jul 20120085.133.02$0
Jun 201227079.822.52$2,155
May 20120091.612.49$0
Apr 2012270101.652.00$2,745
Mar 2012150105.052.22$1,576
Feb 201200101.102.57$0
Jan 201213098.092.73$1,275
Dec 20110096.873.24$0
Nov 201112095.723.31$1,149
Oct 201132084.983.65$2,719
Sep 201112083.623.99$1,003
Aug 201112083.404.15$1,001
Jul 20114094.144.52$377
Jun 20118092.904.64$743
May 20110098.134.40$0
Apr 2011150105.964.33$1,589
Mar 20117096.364.06$675
Feb 20118085.644.18$685
Jan 201114086.504.59$1,211
Dec 20108085.734.35$686
Nov 20100080.843.80$0
Oct 20107078.103.51$547
Sep 20107072.633.98$508
Aug 20107073.684.42$516
Jul 201015072.554.74$1,088
Jun 201022070.364.91$1,548
May 20107071.124.24$498
Apr 201014081.694.12$1,144
Mar 20100078.394.39$0
Feb 20100073.585.44$0
Jan 20100074.365.96$0
Dec 20090071.445.48$0
Nov 20097074.593.75$522
Oct 20097072.544.11$508
Sep 20097065.543.06$459
Aug 20097067.423.22$472
Jul 200929061.133.46$1,773
Jun 200929066.163.90$1,919
May 200914054.743.93$766
Apr 200914046.773.59$655
Mar 20098042.144.06$337
Feb 20090032.814.63$0
Jan 20097035.865.37$251
Dec 200815037.105.98$557
Nov 20080055.496.86$0
Oct 200816075.246.92$1,204
Sep 200870101.767.88$712
Aug 200870114.228.48$800
Jul 2008140131.0811.39$1,835
Jun 2008140131.3313.03$1,839
May 200870123.1711.57$862
Apr 200800110.3110.45$0
Mar 200800101.909.66$0
Feb 20088092.538.77$740
Jan 20087090.388.21$633
Dec 20070088.337.30$0
Nov 20070091.677.29$0
Oct 20078082.856.92$663
Sep 20070075.846.24$0
Aug 20075069.066.39$345
Jul 20070070.906.39$0
Jun 200715062.007.55$930
May 20070058.747.85$0
Apr 20078059.617.81$477
Mar 20078056.927.30$455
Feb 20078055.108.22$441
Jan 20070050.306.73$0
Dec 20060056.656.92$0
Nov 200617054.207.62$921
Oct 200610054.906.01$549
Sep 20068060.085.04$481
Aug 20061068.717.34$69
Jul 200625069.376.34$1,734
Jun 20060066.286.38$0
May 200616066.016.42$1,056
Apr 20068064.397.36$515
Mar 20066056.707.08$340
Feb 200612057.597.75$691
Jan 200612060.598.93$727
Dec 20053054.9413.42$165
Nov 20050054.6910.59$0
Oct 20053058.3413.80$175
Sep 200517061.4512.08$1,045
Aug 20050061.519.80$0
Jul 200516055.697.84$891
Jun 200516052.337.38$837
May 20058045.226.65$362
Apr 200517049.207.36$836
Mar 20054050.377.15$201
Feb 20054045.226.31$181
Jan 200510043.166.32$432
Dec 20048039.866.75$319
Nov 20044045.286.33$181
Oct 200415049.706.52$746
Sep 200426043.245.28$1,124
Aug 20043042.375.55$127
Jul 200411038.286.08$421
Jun 20040036.106.43$0
May 200416037.486.49$600
Apr 20043034.475.86$103
Mar 200410034.365.53$344
Feb 20040032.455.51$0
Jan 20044032.036.30$128
Dec 20030030.266.30$0
Nov 20030028.804.60$0
Oct 20030028.174.76$0
Sep 20030026.314.75$0
Aug 20030029.765.13$0
Jul 200328029.415.17$823
Jun 20030028.565.98$0
May 20030026.595.97$0
Apr 20030026.675.41$0
Mar 20030031.146.10$0
Feb 20030033.487.93$0
Jan 20030030.315.58$0
Dec 20020026.914.85$0
Nov 20020024.664.14$0
Oct 20020026.464.23$0
Sep 20020027.443.64$0
Aug 20020025.963.16$0
Jul 20020024.583.06$0
Jun 20020023.733.34$0
May 200272024.663.58$1,776
Apr 20020023.653.51$0
Mar 20020022.003.10$0
Feb 20020018.222.38$0
Jan 20020017.172.38$0
Dec 20010016.932.36$0
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 20010025.524.31$0
Apr 20010024.685.34$0
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 20000031.875.19$0
Aug 20000029.644.54$0
Jul 20000028.534.09$0
Jun 20000029.304.40$0
May 20000027.263.68$0
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 199994023.192.43$2,180
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 19980011.742.24$0
Jun 19981008711.242.24$1,319
May 1998015012.622.21$331
Apr 1998015813.042.51$396
Mar 199817716412.802.31$2,644
Feb 1998014613.952.30$336
Jan 19980014.702.15$0
Dec 1997014416.322.41$347
Nov 1997011118.193.09$343
Oct 19971723419.253.15$3,418
Sep 199708117.742.95$239
Aug 199708717.862.55$222
Jul 19971799017.582.25$3,349
Jun 1997013917.242.26$314
May 1997013818.972.31$319
Apr 199715715217.882.08$3,124
Mar 1997015018.951.94$291
Feb 199717413320.492.21$3,859
Jan 1997012823.483.54$453
Dec 199617014823.32$3,964
Nov 1996010321.97$0
Oct 19960023.31$0
Sep 1996010022.22$0
Aug 199617111220.26$3,464
Jul 1996010419.55$0
Jun 199609918.73$0
May 199609919.43$0
Apr 19961729721.51$3,700
Mar 199609919.38$0
Feb 1996010416.98$0
Jan 1996011117.07$0
Dec 199517510217.19$3,008
Nov 1995010816.00$0
Oct 1995011015.43$0
Sep 1995014116.18$0
Aug 199515814015.92$2,515
Jul 1995014015.24$0
Jun 1995014716.41$0
May 199516516217.56$2,897
Apr 1995016717.73$0
Mar 199517217216.44$2,828
Feb 1995011216.58$0
Jan 199518313015.92$2,913
Dec 1994013915.03$0
Nov 1994013415.90$0
Oct 1994012515.58$0
Sep 199417813215.29$2,722
Aug 199408216.13$0
Jul 19941285517.56$2,248
Jun 199406717.09$0
May 199407115.88$0
Apr 199414612414.14$2,064
Mar 1994010512.46$0
Feb 1994129112.50$1,613
Jan 19940112.66$0
Dec 199392112.33$1,134
Nov 19930114.49$0
Oct 19931779715.85$2,805
Sep 199308115.03$0
Aug 1993013715.66$0
Jul 199317416515.46$2,690
Jun 1993016016.79$0
May 199317916617.68$3,165
Apr 1993015618.05$0
Mar 1993015818.14$0
Feb 199318214217.90$3,258
Jan 1993016216.93$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.

Dec 2017 — as filed, then multipliedworked
Oil                  171 bbl  × $ 57.27 =     $9,793
Casinghead gas         0 Mcf  × $  2.92 =         $0

────────────────────────────────────────────────────
Month total                                   $9,793

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/1443 is the state's own key, not one this site invented.