FRIESENHAHN, M.J. #1

Operated by SOUTH SAM OPERATING COMPANY, LLC (P-5 802738) in the MONKSFIELD (350 SAND) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 7986District 01Field 62480500OilCasinghead gasSaveExport
Value, all time
$426 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 19 leases and 1,555 wells, and the rule below applies to all of them.

Discovered
1956-05-16
as the register files it
Field class
Oil
the register's own label
Between wells
100 ft
minimum
From a lease line
50 ft
minimum

A drilling unit in this field needs at least 0 acres. The field rule took effect on 1984-03-01.

The Commission's schedule remark for this field reads: RULE 2 - 1/2 ACRE OIL PRORATION UNITS

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
OilDisposition9,599 bbl$425,257
Casinghead gasProduction168 Mcf$573
Total$425,830

47 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 (35)

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 29.2913, -98.5281. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.5 miles.

29.29153, -98.52831 · 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
85.7%
30 of 35 wells
With a plug date
85.7%
30 of 35 wells
Median depth
280 ft
35 wells filed one
Completion to plug
41.8 years
median over 30 wells

What the state filed about each well

On the RRC proration schedule
3085.7%
A plug date is filed
3085.7%
BothOn the schedule and plugged. Neither fact cancels the other.
3085.7%
NeitherNo plug date, and not on the schedule.
514.3%

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

Total depth in feet, 35 of 35 wells. Median 280 ft, with the middle half between 280 and 280 ft; the shallowest is 280 ft and the deepest 280 ft. The median is published rather than the mean, because a single mis-keyed depth moves a mean and cannot move a median.

When they were last completed

Last completion by decade, 35 of 35 wells, Apr 1982 – Jun 1983. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Apr 1982 – Jun 1983
35 of 35 wells
Plug dates filed
Dec 2021 – May 2025
30 of 35 wells; 5 filed none

Last completion to plug: a median of 41.8 years across the 30 wells that filed both dates, with the middle half between 39.0 years and 42.4 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

35 wells

42-0293222632280 ftJun 1983Apr 2025Yes
42-0293223618280 ftJun 1983Jan 2022Yes
42-0293223719280 ftJun 1983Dec 2021Yes
42-0293222533280 ftJun 1983May 2025Yes
42-0293223517280 ftJun 1983Apr 2025Yes
42-0293223922280 ftJun 1983Apr 2025Yes
42-0293224023280 ftJun 1983Apr 2025Yes
42-0293224124280 ftJun 1983Apr 2025Yes
42-029322347280 ftJan 1983Jan 2022Yes
42-0293170130280 ftJan 1983Apr 2025Yes
42-0293223031280 ftJan 1983Apr 2025Yes
42-0293170220280 ftJan 1983Apr 2025Yes
42-0293223821280 ftJan 1983Apr 2025Yes
42-0293222435280 ftDec 1982Dec 2021Yes
42-0293222734280 ftDec 1982Apr 2025Yes
42-0293225729280 ftDec 1982Dec 2021Yes
42-0293222236280 ftDec 1982Dec 2021Yes
42-0293222337280 ftDec 1982Dec 2021Yes
42-0293224228280 ftDec 1982Dec 2021Yes
42-0293222826280 ftDec 1982May 2025Yes
42-0293223125280 ftDec 1982May 2025Yes
42-0293225610280 ftDec 1982Jan 2022Yes
42-0293225838280 ftDec 1982Dec 2021Yes
42-0293222927280 ftDec 1982Dec 2021Yes
42-0293212916280 ftApr 1982Apr 2025Yes
42-029321286280 ftApr 1982
42-0293177215280 ftApr 1982Apr 2025Yes
42-029317041280 ftApr 1982Apr 2025Yes
42-029317693280 ftApr 1982Apr 2025Yes
42-0293177314280 ftApr 1982
42-0293177413280 ftApr 1982
42-0293177512280 ftApr 1982
42-029317715280 ftApr 1982Apr 2025Yes
42-0293170311280 ftApr 1982
42-029317682280 ftApr 1982Apr 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 20242079.932.15$160
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 202115066.024.22$990
Jul 20217070.783.98$495
Jun 20218069.493.38$556
May 20210063.483.02$0
Apr 20218060.362.76$483
Mar 20217061.302.72$429
Feb 20210057.805.55$0
Jan 20217050.412.81$353
Dec 20200044.642.68$0
Nov 20200038.772.71$0
Oct 20207036.972.48$259
Sep 202015037.091.99$556
Aug 20207039.982.39$280
Jul 202022038.371.83$844
Jun 202016034.901.69$558
May 20200016.921.81$0
Apr 20200014.751.80$0
Mar 202013030.341.86$394
Feb 20200049.881.98$0
Jan 202016057.252.09$916
Dec 201915059.012.30$885
Nov 201915055.302.75$830
Oct 201930053.472.42$1,604
Sep 20198055.052.66$440
Aug 201914053.112.30$744
Jul 20198056.272.46$450
Jun 201915052.782.49$792
May 201915058.482.74$877
Apr 201922062.632.75$1,378
Mar 201915056.803.06$852
Feb 201937050.852.79$1,881
Jan 20197046.033.23$322
Dec 201816046.594.19$745
Nov 201815052.934.24$794
Oct 201815061.443.40$922
Sep 20187059.543.11$417
Aug 201817059.403.07$1,010
Jul 201822065.142.93$1,433
Jun 20188060.183.08$481
May 201815065.382.90$981
Apr 201823063.842.90$1,468
Mar 201815061.222.79$918
Feb 201821061.782.77$1,297
Jan 201821062.874.01$1,320
Dec 201715057.272.92$859
Nov 201715055.423.12$831
Oct 20177049.292.98$345
Sep 201714047.523.09$665
Aug 20171045.373.00$45
Jul 20171043.873.09$44
Jun 20171042.493.09$42
May 20171045.373.26$45
Apr 20171047.933.21$48
Mar 20171046.772.98$47
Feb 20171050.452.95$50
Jan 20171049.413.42$49
Dec 20161048.763.72$49
Nov 20161042.492.64$42
Oct 20161046.193.09$46
Sep 20161041.553.10$42
Aug 20161041.442.92$41
Jul 20161041.622.92$42
Jun 20161045.352.69$45
May 20161042.521.99$43
Apr 20160036.561.99$0
Mar 20161033.011.79$33
Feb 20161026.472.06$26
Jan 20161027.352.36$27
Dec 20151032.362.00$32
Nov 20151038.792.17$39
Oct 20151043.552.43$44
Sep 20151042.992.76$43
Aug 20151040.162.87$40
Jul 20151048.152.95$48
Jun 20151056.152.88$56
May 20151055.212.96$55
Apr 20151049.822.71$50
Mar 20151042.892.93$43
Feb 20151044.662.98$45
Jan 20151043.433.10$43
Dec 20141054.693.59$55
Nov 20141070.464.25$70
Oct 20141078.303.90$78
Sep 20141086.164.05$86
Aug 20143089.394.04$268
Jul 20141096.564.18$97
Jun 20141098.164.74$98
May 20141094.734.73$95
Apr 20141095.944.81$96
Mar 20141095.895.06$96
Feb 20141097.406.19$97
Jan 20141090.404.86$90
Dec 20131091.824.35$92
Nov 20131088.853.74$89
Oct 20132097.423.78$195
Sep 201300104.113.72$0
Aug 20131120104.253.52$11,676
Jul 201310102.523.72$103
Jun 201375094.403.93$7,080
May 2013108094.834.15$10,242
Apr 20130093.964.28$0
Mar 201341093.623.91$3,838
Feb 201324091.233.42$2,190
Jan 201343091.603.42$3,939
Dec 201237086.773.42$3,210
Nov 201232086.953.62$2,782
Oct 201239089.383.40$3,486
Sep 201225094.672.92$2,367
Aug 201225092.662.91$2,317
Jul 20120085.133.02$0
Jun 20120079.822.52$0
May 20120091.612.49$0
Apr 201200101.652.00$0
Mar 20121440105.052.22$15,127
Feb 201200101.102.57$0
Jan 20120098.092.73$0
Dec 20110096.873.24$0
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 2011146092.904.64$13,563
May 20110098.134.40$0
Apr 201100105.964.33$0
Mar 20110096.364.06$0
Feb 20110085.644.18$0
Jan 20110086.504.59$0
Dec 20100085.734.35$0
Nov 20100080.843.80$0
Oct 2010145078.103.51$11,325
Sep 20100072.633.98$0
Aug 20100073.684.42$0
Jul 20100072.554.74$0
Jun 20100070.364.91$0
May 2010153071.124.24$10,881
Apr 20100081.694.12$0
Mar 20100078.394.39$0
Feb 2010150073.585.44$11,037
Jan 20100074.365.96$0
Dec 20090071.445.48$0
Nov 20090074.593.75$0
Oct 2009157072.544.11$11,389
Sep 20090065.543.06$0
Aug 20090067.423.22$0
Jul 20090061.133.46$0
Jun 2009152066.163.90$10,056
May 20090054.743.93$0
Apr 2009154046.773.59$7,203
Mar 20090042.144.06$0
Feb 20090032.814.63$0
Jan 2009171035.865.37$6,132
Dec 20080037.105.98$0
Nov 20080055.496.86$0
Oct 20080075.246.92$0
Sep 20081690101.767.88$17,197
Aug 200800114.228.48$0
Jul 200800131.0811.39$0
Jun 20081800131.3313.03$23,639
May 200800123.1711.57$0
Apr 200800110.3110.45$0
Mar 20081720101.909.66$17,527
Feb 20080092.538.77$0
Jan 20080090.388.21$0
Dec 2007291088.337.30$25,704
Nov 20070091.677.29$0
Oct 20070082.856.92$0
Sep 20070075.846.24$0
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 20070056.927.30$0
Feb 2007123155.108.22$6,786
Jan 20070150.306.73$7
Dec 20060156.656.92$7
Nov 20060154.207.62$8
Oct 20060154.906.01$6
Sep 2006127160.085.04$7,635
Aug 20060168.717.34$7
Jul 20060169.376.34$6
Jun 20060166.286.38$6
May 2006127166.016.42$8,390
Apr 2006131164.397.36$8,442
Mar 20060156.707.08$7
Feb 20060157.597.75$8
Jan 20060160.598.93$9
Dec 20050154.9413.42$13
Nov 2005118154.6910.59$6,464
Oct 20050158.3413.80$14
Sep 20050161.4512.08$12
Aug 20050161.519.80$10
Jul 20050155.697.84$8
Jun 2005128152.337.38$6,706
May 2005124145.226.65$5,614
Apr 20050149.207.36$7
Mar 20050150.377.15$7
Feb 20050145.226.31$6
Jan 20050143.166.32$6
Dec 20040139.866.75$7
Nov 20040145.286.33$6
Oct 2004120149.706.52$5,971
Sep 20040143.245.28$5
Aug 20040142.375.55$6
Jul 20040138.286.08$6
Jun 2004123136.106.43$4,447
May 20040137.486.49$6
Apr 20040134.475.86$6
Mar 2004124134.365.53$4,266
Feb 20040132.455.51$6
Jan 20040132.036.30$6
Dec 20030130.266.30$6
Nov 2003124128.804.60$3,576
Oct 20030128.174.76$5
Sep 20030126.314.75$5
Aug 20030129.765.13$5
Jul 20030129.415.17$5
Jun 20030128.565.98$6
May 2003129126.595.97$3,436
Apr 20030126.675.41$5
Mar 20030131.146.10$6
Feb 20030133.487.93$8
Jan 20030130.315.58$6
Dec 2002122126.914.85$3,288
Nov 20020124.664.14$4
Oct 20020126.464.23$4
Sep 20020127.443.64$4
Aug 20020125.963.16$3
Jul 20020124.583.06$3
Jun 2002196123.733.34$4,654
May 20020124.663.58$4
Apr 20020123.653.51$4
Mar 20020122.003.10$3
Feb 20020118.222.38$2
Jan 2002113117.172.38$1,943
Dec 20010116.932.36$2
Nov 20010118.072.41$2
Oct 20010119.782.53$3
Sep 20010124.262.25$2
Aug 20010124.873.05$3
Jul 20010123.933.20$3
Jun 20010124.563.82$4
May 2001130125.524.31$3,322
Apr 20010124.685.34$5
Mar 20010124.545.38$5
Feb 20010127.755.77$6
Jan 20010127.478.40$8
Dec 20000126.889.12$9
Nov 2000115132.215.66$3,710
Oct 20000131.235.15$5
Sep 20000131.875.19$5
Aug 20000129.644.54$5
Jul 20000128.534.09$4
Jun 20000129.304.40$4
May 20000127.263.68$4
Apr 2000120124.513.12$2,944
Mar 20000128.422.86$3
Feb 20000127.622.73$3
Jan 20000125.272.48$2
Dec 19990124.282.42$2
Nov 19990123.192.43$2
Oct 19990120.982.80$3
Sep 1999118121.752.62$2,569
Aug 19990119.262.88$3
Jul 19990117.892.37$2
Jun 1999129015.942.36$2,056
May 19990115.792.32$2
Apr 1999251115.102.21$3,792
Mar 19990112.471.84$2
Feb 1999019.981.82$2
Jan 19990110.381.90$2
Dec 1998019.201.77$2
Nov 1998214110.892.19$2,333
Oct 19980112.421.97$2
Sep 19980112.592.08$2
Aug 19980111.301.91$2
Jul 1998132111.742.24$1,552
Jun 19980111.242.24$2
May 19980112.622.21$2
Apr 1998153113.042.51$1,998
Mar 19980112.802.31$2
Feb 19980113.952.30$2
Jan 19980114.702.15$2
Dec 19970116.322.41$2
Nov 19970118.193.09$3
Oct 1997136119.253.15$2,621
Sep 19970117.742.95$3
Aug 19970117.862.55$3
Jul 1997139117.582.25$2,446
Jun 19970117.242.26$2
May 19970118.972.31$2
Apr 1997155117.882.08$2,773
Mar 19970118.951.94$2
Feb 19970120.492.21$2
Jan 19970123.483.54$4
Dec 1996122123.32$2,845
Nov 19960121.97$0
Oct 19960123.31$0
Sep 1996102122.22$2,266
Aug 19960120.26$0
Jul 19960119.55$0
Jun 19960118.73$0
May 1996133119.43$2,584
Apr 19960121.51$0
Mar 1996124119.38$2,403
Feb 19960116.98$0
Jan 19960117.07$0
Dec 1995145117.19$2,493
Nov 19950116.00$0
Oct 19950115.43$0
Sep 1995120116.18$1,942
Aug 19950115.92$0
Jul 19950115.24$0
Jun 19950116.41$0
May 1995130117.56$2,283
Apr 19950117.73$0
Mar 19950116.44$0
Feb 19950116.58$0
Jan 1995199115.92$3,168
Dec 19940115.03$0
Nov 19940115.90$0
Oct 1994144115.58$2,244
Sep 19940115.29$0
Aug 19940116.13$0
Jul 1994104117.56$1,826
Jun 19940017.09$0
May 1994129115.88$2,049
Apr 19940114.14$0
Mar 19940112.46$0
Feb 1994294112.50$3,675
Jan 19940112.66$0
Dec 19930112.33$0
Nov 1993152114.49$2,202
Oct 19930115.85$0
Sep 19930115.03$0
Aug 1993113115.66$1,770
Jul 1993165115.46$2,551
Jun 19930116.79$0
May 19930117.68$0
Apr 1993152118.05$2,744
Mar 19930118.14$0
Feb 1993158117.90$2,828
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.

Jul 2024 — as filed, then multipliedworked
Oil                    2 bbl  × $ 79.93 =       $160
Casinghead gas         0 Mcf  × $  2.15 =         $0

────────────────────────────────────────────────────
Month total                                     $160

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/7986 is the state's own key, not one this site invented.