UNION TEXAS CARNES

Operated by WILLIAMS, CLAYTON ENERGY, INC. (P-5 924624) in the PEARSALL (AUSTIN CHALK) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 12791District 01Field 69981125OilCasinghead gasSaveExport
Value, all time
$274 k
Jan 1993 – Apr 2004
Value, last 12 filed months
$4 k
at the published price for each month
Months reported
136
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 1,992 leases and 3,388 wells, and the rule below applies to all of them.

Discovered
1936-12-28
as the register files it
Field class
Oil and gas
the register's own label
Between wells
0 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 2025-06-17.

The Commission's schedule remark for this field reads: LEASE PLAT. PRORATION PLAT IS NOT REQUIRED.

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
OilDisposition15,332 bbl$274,013
Casinghead gasProduction21 Mcf$0
Total$274,013

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 28.8022, -99.3229. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

28.80222, -99.32291 · 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%
1 of 1 wells
With a plug date
100.0%
1 of 1 wells
Median depth
10,280 ft
1 wells filed one
Completion to plug
13.2 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
1100.0%
A plug date is filed
1100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
1100.0%
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

The one well that filed a depth was drilled to 10,280 ft.

Completions filed
Oct 1990
1 of 1 wells
Plug dates filed
Dec 2003
1 of 1 wells

Last completion to plug: a median of 13.2 years across the 1 well that filed both dates, with the middle half between 13.2 years and 13.2 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

1 well

42-16332821110,280 ftOct 1990Dec 2003Yes

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 (136)

Volume × price = value, one row per cycle. The price columns are the same series published on the prices page — nothing here is modelled.

136 months

Apr 20040034.475.86$0
Mar 20040034.365.53$0
Feb 2004126032.455.51$4,089
Jan 20040032.036.30$0
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 20030029.415.17$0
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 2002157027.443.64$4,308
Aug 20020025.963.16$0
Jul 20020024.583.06$0
Jun 20020023.733.34$0
May 20020024.663.58$0
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 2001165024.262.25$4,003
Aug 20010024.873.05$0
Jul 2001493023.933.20$11,797
Jun 20010024.563.82$0
May 20010025.524.31$0
Apr 20010024.685.34$0
Mar 2001173024.545.38$4,245
Feb 20010027.755.77$0
Jan 20010027.478.40$0
Dec 2000172026.889.12$4,623
Nov 20000032.215.66$0
Oct 2000163031.235.15$5,090
Sep 20000031.875.19$0
Aug 20000029.644.54$0
Jul 2000172028.534.09$4,907
Jun 20000029.304.40$0
May 20000027.263.68$0
Apr 2000171024.513.12$4,191
Mar 2000184028.422.86$5,229
Feb 20004027.622.73$110
Jan 2000171025.272.48$4,321
Dec 19990024.282.42$0
Nov 1999323023.192.43$7,490
Oct 19990020.982.80$0
Sep 19990021.752.62$0
Aug 19990019.262.88$0
Jul 19990017.892.37$0
Jun 1999169015.942.36$2,694
May 1999162015.792.32$2,558
Apr 1999258015.102.21$3,896
Mar 1999167012.471.84$2,082
Feb 1999009.981.82$0
Jan 1999170010.381.90$1,765
Dec 1998609.201.77$55
Nov 1998165010.892.19$1,797
Oct 19980012.421.97$0
Sep 19980012.592.08$0
Aug 1998169011.301.91$1,910
Jul 1998160011.742.24$1,878
Jun 1998160011.242.24$1,798
May 19980012.622.21$0
Apr 1998172013.042.51$2,243
Mar 19980012.802.31$0
Feb 1998171013.952.30$2,385
Jan 19980014.702.15$0
Dec 1997162016.322.41$2,644
Nov 19970018.193.09$0
Oct 19970019.253.15$0
Sep 1997162017.742.95$2,874
Aug 19971017.862.55$18
Jul 1997165017.582.25$2,901
Jun 1997164017.242.26$2,827
May 19971018.972.31$19
Apr 1997175017.882.08$3,129
Mar 19970018.951.94$0
Feb 1997151020.492.21$3,094
Jan 1997164023.483.54$3,851
Dec 1996167023.32$3,894
Nov 1996172021.97$3,779
Oct 1996170023.31$3,963
Sep 19961022.22$22
Aug 1996170020.26$3,444
Jul 1996169019.55$3,304
Jun 1996162018.73$3,034
May 1996170019.43$3,303
Apr 1996167021.51$3,592
Mar 1996169019.38$3,275
Feb 1996176016.98$2,988
Jan 1996155017.07$2,646
Dec 1995181017.19$3,111
Nov 19951016.00$16
Oct 1995176015.43$2,716
Sep 1995165016.18$2,670
Aug 1995177015.92$2,818
Jul 1995163015.24$2,484
Jun 1995336016.41$5,514
May 1995171017.56$3,003
Apr 1995169017.73$2,996
Mar 1995162016.44$2,663
Feb 1995173016.58$2,868
Jan 1995170015.92$2,706
Dec 1994325015.03$4,885
Nov 1994167015.90$2,655
Oct 1994158015.58$2,462
Sep 1994334115.29$5,107
Aug 19947116.13$113
Jul 1994160117.56$2,810
Jun 1994340117.09$5,811
May 1994162115.88$2,573
Apr 1994162114.14$2,291
Mar 1994333112.46$4,149
Feb 1994165112.50$2,063
Jan 1994343112.66$4,342
Dec 1993162112.33$1,997
Nov 1993164114.49$2,376
Oct 1993324115.85$5,135
Sep 1993321115.03$4,825
Aug 1993332115.66$5,199
Jul 1993159115.46$2,458
Jun 1993312116.79$5,238
May 1993313117.68$5,534
Apr 1993318118.05$5,740
Mar 1993327118.14$5,932
Feb 1993156117.90$2,792
Jan 1993348116.93$5,892

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.

Feb 2004 — as filed, then multipliedworked
Oil                  126 bbl  × $ 32.45 =     $4,089
Casinghead gas         0 Mcf  × $  5.51 =         $0

────────────────────────────────────────────────────
Month total                                   $4,089

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/12791 is the state's own key, not one this site invented.