SOUTH GILLOCK UNIT

Operated by PROMISE ENERGY OPERATIONS, LLC (P-5 681359) in the GILLOCK, SOUTH field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 8088District 03Field 34929001NGPA filingOilCasinghead gasSaveExport
Value, all time
$3.3 M
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 42 leases and 120 wells, and the rule below applies to all of them.

Discovered
1948-05-01
as the register files it
Field class
Oil and gas
the register's own label
Between wells
933 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 40 acres.

The Commission's schedule remark for this field reads: RESERVOIR MER 6600 EFF 2/1/72

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
NGPA2none

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
OilDisposition65,023 bbl$2,993,227
Casinghead gasProduction86,515 Mcf$343,591
Total$3,336,818

35,787 Mcf of this lease's gas, across 23 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 (79)

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 29.3954, -94.9607. A lease has no coordinate of its own — that point is the mean of its wells, and they span 3.7 miles. 2 wells have no surveyed location and are left out of it.

29.39413, -94.95558 · centre of 77 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
67.1%
53 of 79 wells
With a plug date
53.2%
42 of 79 wells
Median depth
9,293 ft
73 wells filed one
Completion to plug
23.8 years
median over 12 wells

What the state filed about each well

On the RRC proration schedule
5367.1%
A plug date is filed
4253.2%
BothOn the schedule and plugged. Neither fact cancels the other.
4253.2%
NeitherNo plug date, and not on the schedule.
2632.9%

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, 73 of 79 wells. Median 9,293 ft, with the middle half between 9,120 and 9,469 ft; the shallowest is 4,400 ft and the deepest 10,400 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, 40 of 79 wells, Nov 1948 – Oct 2016. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Nov 1948 – Oct 2016
40 of 79 wells; 39 filed none
Plug dates filed
Dec 1981 – Jan 2012
42 of 79 wells; 37 filed none

Last completion to plug: a median of 23.8 years across the 12 wells that filed both dates, with the middle half between 11.9 years and 29.7 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

79 wells

42-16701135769,503 ftDec 1983Yes
42-16701136759,527 ftSep 1990Yes
42-16701137749,353 ftOct 1990Yes
42-16701138799,611 ftNov 1983Yes
42-16701139789,557 ftDec 1983Yes
42-16701140779,421 ftSep 1990Yes
42-16701141809,567 ftDec 1983Yes
42-16701144819,655 ftMay 1982Yes
42-16701179719,302 ftAug 1990Yes
42-16701181729,244 ftSep 1990Yes
42-16701184699,611 ftAug 1990Yes
42-16701185709,449 ftAug 1990Yes
42-16701186579,378 ftOct 1990Yes
42-16701187659,445 ftAug 1990Yes
42-16701188649,397 ftAug 1990Yes
42-16701195669,504 ftAug 1990Yes
42-16701199679,653 ftJan 1984Yes
42-16701200689,538 ftDec 1983Yes
42-16701202269,126 ftMar 1994Yes
42-16701205349,363 ftJan 1984Yes
42-16701206549,433 ftApr 1995Yes
42-16701210559,762 ftDec 1981Yes
42-16701216499,203 ftYes
42-16701223609,139 ftAug 1990Yes
42-16701854329,438 ftJan 1984Yes
42-16701859319,416 ftJun 1982Yes
42-16701860119,181 ftOct 1985Yes
42-167018632D9,469 ftYes
42-16730145884,400 ftMay 1982Yes
42-16780783639,335 ftOct 1990Yes
42-16780792879,875 ftFeb 1982Yes
42-167807945029,875 ftJan 1982Yes
42-1670119224
42-1670119638
42-1670120135
42-1670120727
42-1670120833
42-1670121451
42-16701855306,300 ft
42-16701204139,037 ftOct 2016
42-16701189128,932 ftJun 2016Yes
42-1670115168,965 ftApr 2014
42-1670185289,304 ftApr 2014
42-16780773379,146 ftMar 2013
42-16701218509,151 ftMar 2013
42-16780780589,229 ftFeb 2013
42-16701180619,143 ftFeb 2013
42-16701197539,403 ftJan 2013
42-1670121248,764 ftDec 2012Yes
42-16701198569,474 ftJun 2012
42-16701227168,713 ftNov 2011
42-16701219399,129 ftJun 2011
42-16701850289,210 ftJun 2011
42-16701191529,396 ftFeb 2010Yes
42-1670184979,120 ftMay 2009
42-16731432969,860 ftJun 2007Dec 2010Yes
42-16701229178,708 ftApr 1998Jan 2012Yes
42-16701224489,082 ftAug 1987Yes
42-16731020958,900 ftMay 1985Oct 1990Yes
42-16701856109,774 ftOct 1983Oct 2005Yes
42-167018481D9,342 ftApr 1981Yes
42-16701221369,026 ftJan 1981Yes
42-16701182629,287 ftAug 1979Nov 1990Yes
42-16730645949,293 ftNov 1978
42-16730644919,157 ftJul 1978
42-16730641939,380 ftJul 1978Sep 1990Yes
42-16730630899,134 ftJul 1978
42-16701203238,975 ftJul 1978Yes
42-16701222409,082 ftSep 1977
42-16701173858,940 ftJan 1962Dec 1990Yes
42-16701145829,474 ftMay 1958Jan 1984Yes
42-167807935014,592 ftFeb 1954Aug 1983Yes
42-167011498610,400 ftJul 1953Jul 1983Yes
42-16701150739,275 ftMar 1951Aug 1990Yes
42-16701220599,182 ftDec 1950Aug 1990Yes
42-16701225479,188 ftAug 1950Yes
42-16701190148,957 ftJan 1950
42-16701211158,825 ftMar 1949Yes
42-16701193259,005 ftNov 1948

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 2019174055.302.75$9,622
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 2018174059.543.11$10,360
Aug 2018174059.403.07$10,336
Jul 2018517065.142.93$33,677
Jun 2018342060.183.08$20,582
May 2018309065.382.90$20,202
Apr 20180063.842.90$0
Mar 2018339061.222.79$20,754
Feb 20180061.782.77$0
Jan 20180062.874.01$0
Dec 20170057.272.92$0
Nov 2017140055.423.12$7,759
Oct 2017175049.292.98$8,626
Sep 2017340047.523.09$16,157
Aug 20170045.373.00$0
Jul 2017482043.873.09$21,145
Jun 2017175042.493.09$7,436
May 2017170045.373.26$7,713
Apr 2017690047.933.21$33,072
Mar 20170046.772.98$0
Feb 2017180050.452.95$9,081
Jan 2017168049.413.42$8,301
Dec 2016157048.763.72$7,655
Nov 2016337042.492.64$14,319
Oct 20162046.193.09$92
Sep 2016359041.553.10$14,916
Aug 2016464041.442.92$19,228
Jul 2016507041.622.92$21,101
Jun 20160045.352.69$0
May 2016350042.521.99$14,882
Apr 2016351036.561.99$12,833
Mar 2016521033.011.79$17,198
Feb 2016355026.472.06$9,397
Jan 2016365027.352.36$9,983
Dec 2015526032.362.00$17,021
Nov 2015692038.792.17$26,843
Oct 2015532043.552.43$23,169
Sep 2015708042.992.76$30,437
Aug 2015534040.162.87$21,445
Jul 2015177048.152.95$8,523
Jun 2015122056.152.88$6,850
May 20150055.212.96$0
Apr 2015173049.822.71$8,619
Mar 2015892042.892.93$38,258
Feb 2015664044.662.98$29,654
Jan 20151,062043.433.10$46,123
Dec 2014349054.693.59$19,087
Nov 2014484070.464.25$34,103
Oct 2014713078.303.90$55,828
Sep 2014855086.164.05$73,667
Aug 2014338089.394.04$30,214
Jul 2014527096.564.18$50,887
Jun 2014344098.164.74$33,767
May 2014341094.734.73$32,303
Apr 2014508095.944.81$48,738
Mar 20140095.895.06$0
Feb 20140097.406.19$0
Jan 20140090.404.86$0
Dec 2013698091.824.35$64,090
Nov 2013176088.853.74$15,638
Oct 2013516097.423.78$50,269
Sep 20133580104.113.72$37,271
Aug 20135090104.253.52$53,063
Jul 20133440102.523.72$35,267
Jun 2013170094.403.93$16,048
May 2013179094.834.15$16,975
Apr 20130093.964.28$0
Mar 2013172093.623.91$16,103
Feb 20130091.233.42$0
Jan 20130091.603.42$0
Dec 2012154086.773.42$13,363
Nov 20120086.953.62$0
Oct 2012153089.383.40$13,675
Sep 20120094.672.92$0
Aug 2012171092.662.91$15,845
Jul 2012167085.133.02$14,217
Jun 2012172079.822.52$13,729
May 20120091.612.49$0
Apr 20121730101.652.00$17,585
Mar 201200105.052.22$0
Feb 20121700101.102.57$17,187
Jan 2012175098.092.73$17,166
Dec 2011174096.873.24$16,855
Nov 2011173095.723.31$16,560
Oct 2011178084.983.65$15,126
Sep 2011174083.623.99$14,550
Aug 2011175083.404.15$14,595
Jul 2011178094.144.52$16,757
Jun 2011162092.904.64$15,050
May 2011173098.134.40$16,976
Apr 201100105.964.33$0
Mar 2011168096.364.06$16,188
Feb 2011187085.644.18$16,015
Jan 2011345086.504.59$29,843
Dec 2010347085.734.35$29,748
Nov 2010350080.843.80$28,294
Oct 2010340078.103.51$26,554
Sep 2010346072.633.98$25,130
Aug 2010170073.684.42$12,526
Jul 2010172072.554.74$12,479
Jun 2010350070.364.91$24,626
May 2010343071.124.24$24,394
Apr 2010529081.694.12$43,214
Mar 2010342078.394.39$26,809
Feb 2010176073.585.44$12,950
Jan 2010344074.365.96$25,580
Dec 2009539071.445.48$38,506
Nov 2009343074.593.75$25,584
Oct 2009342072.544.11$24,809
Sep 2009522065.543.06$34,212
Aug 2009348067.423.22$23,462
Jul 2009676061.133.46$41,324
Jun 2009504066.163.90$33,345
May 20090054.743.93$0
Apr 20090046.773.59$0
Mar 2009360042.144.06$15,170
Feb 2009358032.814.63$11,746
Jan 2009512035.865.37$18,360
Dec 20080037.105.98$0
Nov 2008174055.496.86$9,655
Oct 20080075.246.92$0
Sep 200801,088101.767.88$8,570
Aug 200800114.228.48$0
Jul 20083601,108131.0811.39$59,808
Jun 200801,873131.3313.03$24,410
May 20081771,418123.1711.57$38,213
Apr 20081791,205110.3110.45$32,344
Mar 20081792,183101.909.66$39,337
Feb 200801,28092.538.77$11,226
Jan 20081802,68090.388.21$38,260
Dec 200701,10488.337.30$8,061
Nov 20079081691.677.29$14,200
Oct 200702,00982.856.92$13,906
Sep 20070075.846.24$0
Aug 20073524,64469.066.39$53,975
Jul 2007010,35870.906.39$66,166
Jun 200704,64262.007.55$35,040
May 20070058.747.85$0
Apr 20070059.617.81$0
Mar 20070056.927.30$0
Feb 20070055.108.22$0
Jan 20070050.306.73$0
Dec 20060056.656.92$0
Nov 20060054.207.62$0
Oct 20060054.906.01$0
Sep 20060060.085.04$0
Aug 20060068.717.34$0
Jul 20060069.376.34$0
Jun 20060066.286.38$0
May 20060066.016.42$0
Apr 2006142064.397.36$9,143
Mar 20060056.707.08$0
Feb 20060057.597.75$0
Jan 20060060.598.93$0
Dec 20050054.9413.42$0
Nov 20050054.6910.59$0
Oct 20050058.3413.80$0
Sep 20050061.4512.08$0
Aug 20050061.519.80$0
Jul 20050055.697.84$0
Jun 20050052.337.38$0
May 20050045.226.65$0
Apr 20050049.207.36$0
Mar 20050050.377.15$0
Feb 200535115045.226.31$16,819
Jan 20050043.166.32$0
Dec 2004163039.866.75$6,497
Nov 2004174045.286.33$7,879
Oct 2004025049.706.52$1,629
Sep 200417211043.245.28$8,019
Aug 200417110042.375.55$7,800
Jul 200401038.286.08$61
Jun 200432512036.106.43$12,504
May 20040037.486.49$0
Apr 200417425034.475.86$7,462
Mar 200408034.365.53$442
Feb 2004011032.455.51$606
Jan 200415615032.036.30$5,942
Dec 200334312530.266.30$11,167
Nov 20031645028.804.60$4,953
Oct 2003020028.174.76$952
Sep 200323320026.314.75$7,080
Aug 20031744529.765.13$5,409
Jul 200302029.415.17$103
Jun 200301028.565.98$60
May 200349111026.595.97$13,713
Apr 200317611026.675.41$5,289
Mar 200318410531.146.10$6,370
Feb 200315710533.487.93$6,089
Jan 200319315030.315.58$6,687
Dec 200219124826.914.85$6,344
Nov 200235124024.664.14$9,649
Oct 200218224826.464.23$5,865
Sep 200215924027.443.64$5,235
Aug 200217424825.963.16$5,302
Jul 200236424824.583.06$9,706
Jun 200236824023.733.34$9,534
May 200235624824.663.58$9,668
Apr 200217524023.653.51$4,982
Mar 200218024822.003.10$4,729
Feb 200236811218.222.38$6,971
Jan 200218517617.172.38$3,595
Dec 200118420816.932.36$3,607
Nov 200118116818.072.41$3,675
Oct 200118123219.782.53$4,167
Sep 200118124024.262.25$4,931
Aug 200136315524.873.05$9,501
Jul 2001018623.933.20$595
Jun 200136324024.563.82$9,833
May 200117824825.524.31$5,611
Apr 200118124024.685.34$5,748
Mar 200136318624.545.38$9,908
Feb 200118322427.755.77$6,370
Jan 200118124827.478.40$7,055
Dec 200035927926.889.12$12,195
Nov 200018527032.215.66$7,487
Oct 200036127031.235.15$12,663
Sep 200034027031.875.19$12,236
Aug 200034524029.644.54$11,316
Jul 200017624028.534.09$6,003
Jun 200018612029.304.40$5,977
May 200018112427.263.68$5,390
Apr 200033612024.513.12$8,609
Mar 200054512428.422.86$15,844
Feb 200018711627.622.73$5,481
Jan 200018124825.272.48$5,189
Dec 199936524024.282.42$9,444
Nov 1999016823.192.43$409
Oct 199918224820.982.80$4,514
Sep 199966824021.752.62$15,158
Aug 199917824819.262.88$4,141
Jul 199933321617.892.37$6,470
Jun 199967924015.942.36$11,390
May 1999012015.792.32$279
Apr 1999017415.102.21$384
Mar 199917216212.471.84$2,443
Feb 19991762249.981.82$2,164
Jan 199917424810.381.90$2,277
Dec 19981791849.201.77$1,973
Nov 199834623210.892.19$4,275
Oct 199835010212.421.97$4,548
Sep 1998021612.592.08$450
Aug 199848831011.301.91$6,106
Jul 199851826011.742.24$6,663
Jun 1998017211.242.24$385
May 199802412.622.21$53
Apr 19980013.042.51$0
Mar 19980012.802.31$0
Feb 19980013.952.30$0
Jan 19980014.702.15$0
Dec 19970016.322.41$0
Nov 19970018.193.09$0
Oct 19970019.253.15$0
Sep 19970017.742.95$0
Aug 19970017.862.55$0
Jul 19970017.582.25$0
Jun 19970017.242.26$0
May 19970018.972.31$0
Apr 19970017.882.08$0
Mar 19970018.951.94$0
Feb 19970020.492.21$0
Jan 19970023.483.54$0
Dec 19960023.32$0
Nov 19960021.97$0
Oct 19960023.31$0
Sep 19960022.22$0
Aug 19960020.26$0
Jul 19960019.55$0
Jun 19960018.73$0
May 19960019.43$0
Apr 19960021.51$0
Mar 19960019.38$0
Feb 19960016.98$0
Jan 1996259017.07$4,421
Dec 1995182017.19$3,129
Nov 1995240016.00$3,840
Oct 1995364015.43$5,617
Sep 1995245016.18$3,964
Aug 1995357015.92$5,683
Jul 1995364015.24$5,547
Jun 1995366016.41$6,006
May 1995364017.56$6,392
Apr 1995366017.73$6,489
Mar 199561179916.44$10,045
Feb 1995234016.58$3,880
Jan 19953831,91215.92$6,097
Dec 1994724015.03$10,882
Nov 19945135,33515.90$8,157
Oct 1994541015.58$8,429
Sep 19945253,85515.29$8,027
Aug 1994529116.13$8,533
Jul 199470117.56$1,229
Jun 19940017.09$0
May 19940115.88$0
Apr 19940114.14$0
Mar 19940112.46$0
Feb 19940112.50$0
Jan 1994443112.66$5,608
Dec 19932451,19412.33$3,021
Nov 199350613814.49$7,332
Oct 19933823,15715.85$6,055
Sep 19935134,05215.03$7,710
Aug 19933742,31615.66$5,857
Jul 19932824,53715.46$4,360
Jun 19935854,36816.79$9,822
May 199339052017.68$6,895
Apr 199317942618.05$3,231
Mar 19933092,00218.14$5,605
Feb 199326665217.90$4,761
Jan 199318151716.93$3,064

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                  174 bbl  × $ 55.30 =     $9,622
Casinghead gas         0 Mcf  × $  2.75 =         $0

────────────────────────────────────────────────────
Month total                                   $9,622

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. 03/O/8088 is the state's own key, not one this site invented.