GLASSCOCK -N- FEE

Operated by XTO ENERGY INC. (P-5 945936) in the BLALOCK LAKE, SE (WOLFCAMP) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 29129District 08Field 08740500NGPA filingOilCasinghead gasSaveExport
Value, all time
$55.6 M
Jan 1993 – Apr 2020
Value, last 12 filed months
$507 k
at the published price for each month
Months reported
328
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 23 leases and 75 wells, and the rule below applies to all of them.

Discovered
1981-07-22
as the register files it
Field class
Oil and gas
the register's own label
Between wells
1,320 ft
minimum
From a lease line
660 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 1991-02-01.

The Commission's schedule remark for this field reads: #85280300 EFF 12/01/2019

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
NGPA1none

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
OilDisposition1,682,107 bbl$50,321,930
Casinghead gasProduction3,221,058 Mcf$5,304,956
Total$55,626,886

1,525,576 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 (11)

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 31.8808, -101.5929. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.7 miles.

31.88081, -101.59273 · 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%
11 of 11 wells
With a plug date
81.8%
9 of 11 wells
Median depth
8,300 ft
11 wells filed one
Completion to plug
15.6 years
median over 9 wells

What the state filed about each well

On the RRC proration schedule
11100.0%
A plug date is filed
981.8%
BothOn the schedule and plugged. Neither fact cancels the other.
981.8%
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

Total depth in feet, 11 of 11 wells. Median 8,300 ft, with the middle half between 8,290 and 8,335 ft; the shallowest is 8,222 ft and the deepest 11,185 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, 11 of 11 wells, Jul 1984 – Jun 2019. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Jul 1984 – Jun 2019
11 of 11 wells
Plug dates filed
Feb 2000 – Jan 2026
9 of 11 wells; 2 filed none

Last completion to plug: a median of 15.6 years across the 9 wells that filed both dates, with the middle half between 10.1 years and 23.0 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

11 wells

42-173340241211,185 ftJun 2019Jan 2026Yes
42-1733247388,300 ftMar 2014Aug 2021Yes
42-1733195528,222 ftMay 2012Jun 2022Yes
42-17333802118,299 ftMar 2011Oct 2021Yes
42-17333634108,525 ftNov 2010Yes
42-1733215438,280 ftSep 2005Aug 2023Yes
42-1733244178,300 ftAug 1999Aug 2022Yes
42-1733241268,300 ftApr 1994Yes
42-1733228058,300 ftJan 1993Aug 2022Yes
42-1733217848,265 ftApr 1992Aug 2022Yes
42-1733161918,370 ftJul 1984Feb 2000Yes

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 (328)

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

328 months

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 20191,65979755.302.75$93,935
Oct 20191,36691853.472.42$75,260
Sep 20191,12589555.052.66$64,310
Aug 20191,13999053.112.30$62,774
Jul 20191,25397656.272.46$72,907
Jun 20191,09894552.782.49$60,307
May 20191,28675458.482.74$77,271
Apr 20191,68882962.632.75$108,000
Mar 20191,15990056.803.06$68,587
Feb 20191,11581250.852.79$58,965
Jan 20191,48579346.033.23$70,915
Dec 20181,36677546.594.19$66,886
Nov 20181,50265852.934.24$82,289
Oct 20181,12591861.443.40$72,239
Sep 20181,6281,03359.543.11$100,142
Aug 20181,13965159.403.07$69,653
Jul 20181,31978065.142.93$88,207
Jun 20181,29582460.183.08$80,468
May 20181,52093765.382.90$102,096
Apr 20181,68299063.842.90$110,251
Mar 201877675661.222.79$49,614
Feb 201893966661.782.77$59,854
Jan 20181,34350962.874.01$86,475
Dec 201776055357.272.92$45,141
Nov 20171,62282055.423.12$92,448
Oct 20171,28657149.292.98$65,091
Sep 20171,31158847.523.09$64,114
Aug 20171,29963245.373.00$60,834
Jul 20171,66277843.873.09$75,314
Jun 20171,27761142.493.09$56,146
May 20171,45080045.373.26$68,397
Apr 20171,29286647.933.21$64,707
Mar 20171,4901,03846.772.98$72,784
Feb 20171,12894650.452.95$59,701
Jan 20171,8901,00649.413.42$96,824
Dec 20161,14590348.763.72$59,192
Nov 20161,45496542.492.64$64,332
Oct 20161,4641,02246.193.09$70,780
Sep 20161,3701,06041.553.10$60,210
Aug 20161,2761,18741.442.92$56,349
Jul 20161,4661,15741.622.92$64,398
Jun 20161,2761,08745.352.69$60,786
May 20161,45692542.521.99$63,751
Apr 20161,47085736.561.99$55,450
Mar 20161,49789933.011.79$51,029
Feb 20161,50787526.472.06$41,696
Jan 20161,5291,02227.352.36$44,235
Dec 20151,81696132.362.00$60,689
Nov 20151,4461,48638.792.17$59,311
Oct 20151,8051,26443.552.43$81,675
Sep 20151,4511,46742.992.76$66,425
Aug 20151,7881,24940.162.87$75,394
Jul 20151,4481,16748.152.95$73,158
Jun 20151,4411,34556.152.88$84,790
May 20151,7901,21555.212.96$102,417
Apr 20151,4491,35049.822.71$75,843
Mar 20151,6331,13142.892.93$73,359
Feb 20151,4361,05044.662.98$67,257
Jan 20151,8161,14143.433.10$82,407
Dec 20141,6471,24854.693.59$94,556
Nov 20141,26375570.464.25$92,201
Oct 20141,3981,20578.303.90$114,164
Sep 20141,8291,39286.164.05$163,218
Aug 20141,4272,17589.394.04$136,336
Jul 20142,1542,05796.564.18$216,588
Jun 20141,6472,55798.164.74$173,782
May 20141,8202,10794.734.73$182,367
Apr 20141,8202,42095.944.81$186,249
Mar 20141,6401,87995.895.06$166,761
Feb 20141,8011,24797.406.19$183,139
Jan 20141,5741,97990.404.86$151,909
Dec 20131,9511,69791.824.35$186,530
Nov 20131,4551,52288.853.74$134,966
Oct 20131,7842,46797.423.78$183,121
Sep 20131,5701,757104.113.72$169,985
Aug 20131,9301,900104.253.52$207,895
Jul 20131,5471,848102.523.72$165,469
Jun 20131,2502,87694.403.93$129,312
May 20131,9632,63994.834.15$197,101
Apr 20131,6742,24093.964.28$166,882
Mar 20131,4941,10793.623.91$144,200
Feb 20131,2111,24091.233.42$114,720
Jan 20131,4411,60991.603.42$137,498
Dec 20121,4481,34886.773.42$130,253
Nov 20121,3251,31786.953.62$119,983
Oct 20121,6121,55289.383.40$149,357
Sep 20121,3521,77394.672.92$133,168
Aug 20121,5141,46992.662.91$144,559
Jul 20121,5512,17585.133.02$138,607
Jun 20121,6151,99379.822.52$133,930
May 20121,7602,95091.612.49$168,574
Apr 20121,5792,293101.652.00$165,084
Mar 20121,5852,098105.052.22$171,166
Feb 20121,6481,625101.102.57$170,789
Jan 20121,3101,27798.092.73$131,989
Dec 20111,7411,30396.873.24$172,872
Nov 20111,6031,71295.723.31$159,108
Oct 20112,0292,63984.983.65$182,053
Sep 20111,6652,26383.623.99$148,247
Aug 20111,9102,59683.404.15$170,066
Jul 20112,1173,37494.144.52$214,536
Jun 20112,1493,59792.904.64$216,332
May 20112,3514,55398.134.40$250,759
Apr 20112,8126,104105.964.33$324,410
Mar 20112,7904,84196.364.06$288,486
Feb 20112,6014,57885.644.18$241,886
Jan 20113,5547,57086.504.59$342,158
Dec 20105,82812,84985.734.35$555,499
Nov 20105,2167,13380.843.80$448,734
Oct 20107,7309,39578.103.51$636,679
Sep 20107,82210,32972.633.98$609,216
Aug 201010,4768,32173.684.42$808,645
Jul 20109,8048,60472.554.74$752,033
Jun 20101,1042,15270.364.91$88,245
May 20101,1092,38671.124.24$88,977
Apr 20101,1642,64381.694.12$105,983
Mar 20101,3112,56778.394.39$114,035
Feb 20109402,50673.585.44$82,804
Jan 201078073474.365.96$62,378
Dec 20091,4182,45871.445.48$114,781
Nov 20091,4253,88474.593.75$120,862
Oct 20091,4475,36672.544.11$127,021
Sep 20091,1365,69065.543.06$91,892
Aug 20091,5495,48467.423.22$122,084
Jul 20091,4674,04261.133.46$103,681
Jun 20091,4063,89866.163.90$108,204
May 20091,4144,20854.743.93$93,922
Apr 20091,31392146.773.59$64,713
Mar 20091,30292442.144.06$58,617
Feb 20091,2261,09032.814.63$45,275
Jan 20091,44841435.865.37$54,149
Dec 20081,57450537.105.98$61,414
Nov 20081,96144055.496.86$111,834
Oct 20082,35036475.246.92$179,334
Sep 20082,582515101.767.88$266,801
Aug 20082,602463114.228.48$301,128
Jul 20082,804566131.0811.39$373,995
Jun 20082,9341,149131.3313.03$400,297
May 20083,078445123.1711.57$384,268
Apr 20083,26012110.3110.45$359,736
Mar 20083,60881101.909.66$368,438
Feb 20083,61950992.538.77$339,330
Jan 20083,7833990.388.21$342,228
Dec 20073,8586788.337.30$341,266
Nov 20073,82045291.677.29$353,475
Oct 20073,97417682.856.92$330,464
Sep 20073,7534675.846.24$284,915
Aug 20074,13611569.066.39$286,367
Jul 20075,0481,20870.906.39$365,620
Jun 20074,0091,53662.007.55$260,152
May 20072,94137958.747.85$175,728
Apr 20072,55120059.617.81$153,626
Mar 20073,8051,62656.927.30$228,454
Feb 20073,5221,24155.108.22$204,258
Jan 20073,55327250.306.73$180,546
Dec 20064,43978656.656.92$256,907
Nov 20064,19376454.207.62$233,080
Oct 20064,46183054.906.01$249,900
Sep 20064,7211,68060.085.04$292,100
Aug 20064,7091,37368.717.34$333,633
Jul 20064,98581069.376.34$350,947
Jun 20064,8871,20166.286.38$331,577
May 20065,46823766.016.42$362,465
Apr 20065,66344764.397.36$367,931
Mar 20066,1891,56856.707.08$362,022
Feb 20065,9681,12357.597.75$352,402
Jan 20063,75595260.598.93$236,020
Dec 20052,4131,29654.9413.42$149,957
Nov 20052,6862,00254.6910.59$168,095
Oct 20052,7783,04958.3413.80$204,132
Sep 20052,5451,72561.4512.08$177,227
Aug 20052,4501,31061.519.80$163,533
Jul 20051,0132,57855.697.84$76,635
Jun 20055714,71852.337.38$64,704
May 200501,87945.226.65$12,498
Apr 200502,12349.207.36$15,626
Mar 20052251,63450.377.15$23,024
Feb 20052221,15845.226.31$17,348
Jan 20054071,40243.166.32$26,430
Dec 200401,29939.866.75$8,770
Nov 20042801,31345.286.33$20,990
Oct 20041301,76649.706.52$17,967
Sep 20041621,73943.245.28$16,194
Aug 20043231,91342.375.55$24,304
Jul 20042541,98438.286.08$21,794
Jun 20042451,97136.106.43$21,524
May 20042442,13537.486.49$23,011
Apr 20043712,86634.475.86$29,579
Mar 20042862,73034.365.53$24,924
Feb 20042581,81832.455.51$18,389
Jan 20043772,11532.036.30$25,399
Dec 20034172,20030.266.30$26,482
Nov 20032431,81928.804.60$15,357
Oct 20033751,90628.174.76$19,636
Sep 20034561,99526.314.75$21,472
Aug 20031781,99229.765.13$15,516
Jul 20033672,12829.415.17$21,797
Jun 20031771,98728.565.98$16,943
May 20031832,17126.595.97$17,833
Apr 20032402,21026.675.41$18,351
Mar 20034112,29431.146.10$26,783
Feb 20032431,88133.487.93$23,044
Jan 20033601,89530.315.58$21,490
Dec 20023192,35326.914.85$20,005
Nov 20024742,66424.664.14$22,710
Oct 20022472,70626.464.23$17,980
Sep 20021792,41727.443.64$13,698
Aug 20022522,45825.963.16$14,319
Jul 20024092,42924.583.06$17,490
Jun 20022532,43423.733.34$14,129
May 20022572,72224.663.58$16,093
Apr 20023352,64623.653.51$17,216
Mar 20029332,78822.003.10$29,176
Feb 20022623,16318.222.38$12,288
Jan 20025704,13217.172.38$19,603
Dec 20017613,99816.932.36$22,337
Nov 20015014,13918.072.41$19,010
Oct 20018094,63719.782.53$27,728
Sep 20017945,15524.262.25$30,868
Aug 20015105,44524.873.05$29,308
Jul 20017585,43323.933.20$35,509
Jun 20018283,89124.563.82$35,215
May 20014313,33325.524.31$25,355
Apr 20017356,22524.685.34$51,352
Mar 20011,0336,97224.545.38$62,834
Feb 20017806,64627.755.77$59,973
Jan 20018187,28427.478.40$83,647
Dec 20007888,31126.889.12$96,999
Nov 20008469,48632.215.66$80,921
Oct 20001,05711,21931.235.15$90,737
Sep 20001,08611,32131.875.19$93,327
Aug 20001,04114,62429.644.54$97,259
Jul 20001,05510,75828.534.09$74,097
Jun 20001,3399,82629.304.40$82,440
May 20001,02512,62027.263.68$74,380
Apr 20001,33612,79824.513.12$72,624
Mar 20001,58811,08828.422.86$76,840
Feb 20001,43514,25827.622.73$78,509
Jan 20001,60616,04125.272.48$80,373
Dec 19991,91716,38024.282.42$86,245
Nov 19991,86617,70323.192.43$86,361
Oct 19992,16120,34120.982.80$102,368
Sep 19992,05820,36421.752.62$98,092
Aug 19992,29417,15619.262.88$93,516
Jul 19992,17014,26917.892.37$72,673
Jun 19992,52314,91615.942.36$75,450
May 19992,70716,19215.792.32$80,325
Apr 19992,997015.102.21$45,255
Mar 19993,46318,48112.471.84$77,158
Feb 19993,68817,9269.981.82$69,392
Jan 19994,51520,64910.381.90$86,098
Dec 19984,59421,1139.201.77$79,705
Nov 19984,34620,77610.892.19$92,738
Oct 19984,79722,09712.421.97$103,092
Sep 19984,45023,11212.592.08$104,159
Aug 19984,97426,04711.301.91$105,887
Jul 19985,23428,40911.742.24$125,006
Jun 19985,41629,00311.242.24$125,763
May 19985,89134,09412.622.21$149,567
Apr 19986,65136,51013.042.51$178,199
Mar 19987,96540,97512.802.31$196,581
Feb 19987,62736,18013.952.30$189,579
Jan 19989,17942,37314.702.15$226,236
Dec 19979,33242,00416.322.41$253,574
Nov 19979,97343,08218.193.09$314,457
Oct 199711,08346,45919.253.15$359,685
Sep 199711,48647,42617.742.95$343,900
Aug 199712,08449,59817.862.55$342,530
Jul 199712,57151,69517.582.25$337,154
Jun 199713,78647,76917.242.26$345,495
May 199714,15144,39618.972.31$370,933
Apr 199712,33839,84217.882.08$303,586
Mar 199717,49749,03718.951.94$426,658
Feb 199718,18231,68020.492.21$442,432
Jan 199718,74037,80923.483.54$573,848
Dec 199618,02637,21423.32$420,366
Nov 199618,57937,85321.97$408,181
Oct 199620,83543,25623.31$485,664
Sep 199621,09543,79522.22$468,731
Aug 199622,05847,04120.26$446,895
Jul 199620,94452,61519.55$409,455
Jun 199621,38448,99918.73$400,522
May 199623,54353,85019.43$457,440
Apr 199623,95353,99521.51$515,229
Mar 199625,47656,52719.38$493,725
Feb 199627,31258,03516.98$463,758
Jan 199627,97044,44517.07$477,448
Dec 199528,53044,27917.19$490,431
Nov 199527,70441,12616.00$443,264
Oct 199526,03431,93215.43$401,705
Sep 199525,18734,80816.18$407,526
Aug 199525,56040,66815.92$406,915
Jul 199526,34842,13715.24$401,544
Jun 199522,22339,53516.41$364,679
May 199524,66944,70517.56$433,188
Apr 199526,65648,35517.73$472,611
Mar 199526,78147,87916.44$440,280
Feb 199524,81540,54916.58$411,433
Jan 199527,96341,69115.92$445,171
Dec 199427,57340,62315.03$414,422
Nov 199426,45834,96315.90$420,682
Oct 199426,98835,06115.58$420,473
Sep 199425,72833,51715.29$393,381
Aug 199427,78135,08816.13$448,108
Jul 199422,10032,19517.56$388,076
Jun 199420,39627,57117.09$348,568
May 199420,26119,13115.88$321,745
Apr 199415,23013,37514.14$215,352
Mar 199412,3329,73312.46$153,657
Feb 199413,39911,74612.50$167,488
Jan 199412,72210,66812.66$161,061
Dec 199313,82510,70812.33$170,462
Nov 199313,58310,66614.49$196,818
Oct 199313,97611,55615.85$221,520
Sep 199313,28011,54715.03$199,598
Aug 199314,11014,02715.66$220,963
Jul 199313,24113,99015.46$204,706
Jun 199313,22813,25316.79$222,098
May 199313,67213,93717.68$241,721
Apr 199313,53813,93118.05$244,361
Mar 199314,25914,37018.14$258,658
Feb 199313,30411,43117.90$238,142
Jan 19937,4207,20016.93$125,621

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.

Nov 2019 — as filed, then multipliedworked
Oil                1,659 bbl  × $ 55.30 =    $91,743
Casinghead gas       797 Mcf  × $  2.75 =     $2,192

────────────────────────────────────────────────────
Month total                                  $93,935

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. 08/O/29129 is the state's own key, not one this site invented.