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UNIVERSITY 09B

Operated by SEM OPERATING COMPANY LLC (P-5 766370) in the LIN (WOLFCAMP) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 18131District 7CField 53613750OilCasinghead gasSaveExport
Value, all time
$63.1 M
Dec 2012 – May 2026
Value, last 12 filed months
$1.3 M
at the published price for each month
Months reported
162
no gaps in the span
Streams
2
oil, casinghead gas

The LIN (WOLFCAMP) 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 515 leases and 2,325 wells, and the rule below applies to all of them.

Discovered
1984-10-08
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 40 acres. The field rule took effect on 2014-04-21.

The Commission's schedule remark for this field reads: “PER DOCKET NO. 7C-0317412, LIN (WOLFCAMP) IS A UFT FIELD. PDD”

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
OilDisposition770,439 bbl$54,490,296
Casinghead gasProduction2,535,555 Mcf$8,564,457
Total$63,054,754

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 31.3031, -101.6400. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.5 miles.

31.30155, -101.63960 · 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
50.0%
2 of 4 wells
With a plug date
25.0%
1 of 4 wells
Median depth
7,987 ft
4 wells filed one
Completion to plug
12.1 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
250.0%
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.
250.0%

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 7,960 and 8,385 ft, median 7,987 ft, over the 4 wells that filed a depth.

Completions filed
May 2013 – Aug 2014
4 of 4 wells
Plug dates filed
Jun 2025
1 of 4 wells; 3 filed none

Last completion to plug: a median of 12.1 years across the 1 well that filed both dates, with the middle half between 12.1 years and 12.1 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

4 wells

42-383386811104H8,385 ftAug 2014——
42-383379991101 H8,010 ftMay 2013—Yes
42-383380001103H7,963 ftMay 2013Jun 2025Yes
42-383380051102H7,960 ftMay 2013——

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 (162)

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

162 months

May 20261,1876,468106.413.05$146,009
Apr 20269395,62498.932.87$109,035
Mar 20269426,50389.753.15$105,025
Feb 20261,1345,55163.503.75$92,827
Jan 20261,1267,03459.138.00$122,838
Dec 20251,3247,40556.664.41$107,699
Nov 20251,1058,19158.593.93$96,903
Oct 20251,2169,52459.383.30$103,681
Sep 20251,1449,73862.743.08$101,738
Aug 20251,3169,59463.933.01$113,055
Jul 20259279,41766.743.32$93,087
Jun 20259827,67866.483.13$89,306
May 20251,1107,54160.553.23$91,585
Apr 20254596,61262.363.54$52,050
Mar 20251,0446,72467.704.27$99,379
Feb 20258115,39270.884.34$80,889
Jan 20255304,70574.324.28$59,521
Dec 20241,1475,64768.993.12$96,758
Nov 20249605,54369.052.20$78,474
Oct 20249116,83971.372.28$80,621
Sep 20241,0196,35069.612.36$85,946
Aug 20246726,35075.632.06$63,927
Jul 20248757,05779.932.15$85,087
Jun 20248127,93778.082.63$84,307
May 20247646,87578.812.20$75,325
Apr 20249816,46484.451.66$93,571
Mar 20249086,79880.301.55$83,416
Feb 20241,1385,90576.091.78$97,123
Jan 20241,1816,48973.023.30$107,635
Dec 20231,1525,19671.262.61$95,657
Nov 20231,3455,93677.892.81$121,428
Oct 20239696,46485.443.09$102,748
Sep 20238225,91789.042.74$89,374
Aug 20231,0766,20080.522.67$103,211
Jul 20239495,70574.852.64$86,104
Jun 20237545,86968.962.26$65,251
May 20237606,88370.622.23$69,002
Apr 20231,1655,79278.122.24$103,971
Mar 20239116,65272.852.39$82,286
Feb 20239225,56075.112.47$82,961
Jan 20231,1796,68676.533.39$112,879
Dec 20221,7965,72876.415.73$170,049
Nov 20221,1884,29985.005.65$125,253
Oct 20227373,16287.185.86$82,793
Sep 20221,5317,19484.888.16$188,681
Aug 20221,6067,04094.529.13$216,054
Jul 20221,6855,014101.587.54$208,978
Jun 20221,3218,057115.097.98$216,306
May 20222,08510,896109.378.43$319,923
Apr 20222,83011,974104.226.84$376,816
Mar 20222,13412,040108.885.08$293,470
Feb 20222,70310,69891.054.86$298,088
Jan 20222,35612,59181.844.54$249,949
Dec 20212,59712,48871.323.90$233,910
Nov 20212,52312,16577.435.24$259,062
Oct 20213,05115,92779.795.71$334,444
Sep 20212,90317,34369.865.35$295,605
Aug 20213,09818,28366.024.22$281,695
Jul 20212,78518,10270.783.98$269,206
Jun 20212,50018,67269.493.38$236,848
May 20212,48118,37463.483.02$212,941
Apr 20211,96516,07160.362.76$162,938
Mar 20211,84817,93761.302.72$162,016
Feb 20212,01317,87757.805.55$215,532
Jan 20212,53222,41550.412.81$190,630
Dec 20202,38821,55744.642.68$164,275
Nov 20202,54020,83738.772.71$154,873
Oct 20202,81921,28336.972.48$156,967
Sep 20202,50522,72537.091.99$138,157
Aug 20202,84123,68939.982.39$170,084
Jul 20203,40820,99638.371.83$169,085
Jun 20202,15510,65734.901.69$93,223
May 20202,15913,60816.921.81$61,225
Apr 20203,02121,91514.751.80$84,103
Mar 20202,38118,49230.341.86$106,565
Feb 20202,96421,12449.881.98$189,684
Jan 20203,34121,15757.252.09$235,591
Dec 20193,09320,49359.012.30$229,741
Nov 20193,03121,72455.302.75$227,371
Oct 20193321,34253.472.42$20,998
Sep 20193,21817,46955.052.66$223,571
Aug 20193,39816,15453.112.30$217,692
Jul 20193,09918,94356.272.46$220,982
Jun 20193,17017,72252.782.49$211,462
May 20193,50217,82258.482.74$253,635
Apr 20193,49819,50962.632.75$272,743
Mar 20193,33517,61356.803.06$243,361
Feb 20192,66115,63850.852.79$178,977
Jan 20192,98715,41446.033.23$187,251
Dec 20182,66415,86946.594.19$190,535
Nov 20183,19916,95852.934.24$241,178
Oct 20182,86617,27461.443.40$234,785
Sep 20183,25217,22159.543.11$247,147
Aug 20183,13213,89759.403.07$228,657
Jul 20183,41416,76565.142.93$271,541
Jun 20183,68517,88360.183.08$276,788
May 20182,54715,67165.382.90$211,981
Apr 20182,67717,44063.842.90$221,490
Mar 20183,65019,35661.222.79$277,395
Feb 20183,56419,17861.782.77$273,233
Jan 20184,27626,91862.874.01$376,755
Dec 20173,62926,91557.272.92$286,466
Nov 20174,64426,66555.423.12$340,522
Oct 20174,21229,48849.292.98$295,592
Sep 20174,12021,13647.523.09$261,035
Aug 20172,73217,24945.373.00$175,774
Jul 20173,37622,93143.873.09$218,900
Jun 20174,02626,94942.493.09$254,264
May 20174,50627,21045.373.26$293,234
Apr 20174,94027,74347.933.21$325,874
Mar 20175,07727,20846.772.98$318,631
Feb 20174,45117,84550.452.95$277,242
Jan 20174,81121,77049.413.42$312,139
Dec 20164,57820,38448.763.72$299,109
Nov 20165,09922,61442.492.64$276,456
Oct 20165,65927,55646.193.09$346,544
Sep 20165,63723,07841.553.10$305,774
Aug 20165,74624,59141.442.92$310,027
Jul 20166,72522,56541.622.92$345,882
Jun 20165,98426,08545.352.69$341,434
May 20166,30724,44942.521.99$316,853
Apr 20166,57221,00536.561.99$282,094
Mar 20166,81921,26633.011.79$263,247
Feb 20166,77918,94826.472.06$218,542
Jan 20169,18719,61827.352.36$297,648
Dec 20158,30128,20232.362.00$325,064
Nov 20158,16420,37638.792.17$360,843
Oct 20159,09724,31843.552.43$455,184
Sep 20158,97922,91142.992.76$449,205
Aug 201510,31823,57040.162.87$482,075
Jul 20159,20620,32148.152.95$503,116
Jun 20159,62216,22656.152.88$587,053
May 20159,60812,16055.212.96$566,396
Apr 20159,0529,20749.822.71$475,890
Mar 20159,7685,38042.892.93$434,738
Feb 20158,5064,44644.662.98$393,110
Jan 20159,1102,33343.433.10$402,881
Dec 20148,7325,35554.693.59$496,785
Nov 20148,4854,31470.464.25$616,196
Oct 20147,8216,62178.303.90$638,213
Sep 201413,37811,31986.164.05$1,198,439
Aug 201417,26111,52489.394.04$1,589,462
Jul 201448161896.564.18$49,028
Jun 201410,24325,14798.164.74$1,124,571
May 201411,03927,51794.734.73$1,175,785
Apr 201413,81040,10895.944.81$1,517,816
Mar 201415,00445,78995.895.06$1,670,279
Feb 201414,83739,04097.406.19$1,686,859
Jan 201419,00249,18590.404.86$1,956,855
Dec 201321,67849,20191.824.35$2,204,719
Nov 201322,66239,73388.853.74$2,162,052
Oct 201326,74647,27397.423.78$2,784,257
Sep 201327,57740,218104.113.72$3,020,562
Aug 201331,53539,116104.253.52$3,425,314
Jul 201331,98434,247102.523.72$3,406,321
Jun 201330,97632,69194.403.93$3,052,722
May 20132,13334694.834.15$203,708
Apr 20130093.964.28$0
Mar 20130093.623.91$0
Feb 20130091.233.42$0
Jan 20130091.603.42$0
Dec 20120086.773.42$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                1,187 bbl  × $106.41 =   $126,309
Casinghead gas     6,468 Mcf  × $  3.05 =    $19,700

────────────────────────────────────────────────────
Month total                                 $146,009

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/18131 is the state's own key, not one this site invented.