BLALOCK "A"

Operated by COG OPERATING LLC (P-5 166150) in the BLALOCK (STRAWN) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 33568District 08Field 08730400OilCasinghead gasSaveExport
Value, all time
$3.9 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 5 leases and 5 wells, and the rule below applies to all of them.

Discovered
1992-05-21
as the register files it
Field class
Oil
the register's own label
Between wells
1,867 ft
minimum
From a lease line
933 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 1995-11-22.

The Commission's schedule remark for this field reads: DESIG. INT. FROM 9964-10113 ON LOG OF CLEO THOMPSON BLALOCK A #2

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
OilDisposition72,010 bbl$2,893,422
Casinghead gasProduction350,853 Mcf$1,006,761
Total$3,900,184

114,872 Mcf of this lease's gas, across 34 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 31.9489, -101.7183. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.94886, -101.71834 · 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
11,195 ft
1 wells filed one
Completion to plug
29.9 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 11,195 ft.

Completions filed
Apr 1995
1 of 1 wells
Plug dates filed
Mar 2025
1 of 1 wells

Last completion to plug: a median of 29.9 years across the 1 well that filed both dates, with the middle half between 29.9 years and 29.9 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

1 well

42-17332199211,195 ftApr 1995Mar 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 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 20221116104.226.84$897
Mar 2022514374108.885.08$57,863
Feb 202268454991.054.86$64,946
Jan 202269858881.844.54$59,792
Dec 202167061271.323.90$50,171
Nov 202133862477.435.24$29,439
Oct 202149335579.795.71$41,365
Sep 202168098769.865.35$52,786
Aug 20211,00121366.024.22$66,985
Jul 20216771,16170.783.98$52,541
Jun 20211,0231,12569.493.38$74,891
May 20216571,12863.483.02$45,110
Apr 20211,0201,09460.362.76$64,585
Mar 202117065561.302.72$12,201
Feb 202107057.805.55$388
Jan 202171977150.412.81$38,412
Dec 20208391,04744.642.68$40,254
Nov 20206771,47238.772.71$30,231
Oct 202002,43036.972.48$6,023
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 202035097914.751.80$6,929
Mar 202018470530.341.86$6,891
Feb 202017871849.881.98$10,301
Jan 202018163357.252.09$11,688
Dec 201935588459.012.30$22,986
Nov 201936192255.302.75$22,499
Oct 20193641,38453.472.42$22,810
Sep 20191812,17955.052.66$15,754
Aug 20193791,75853.112.30$24,180
Jul 20191871,65556.272.46$14,594
Jun 2019386452.782.49$2,311
May 2019259258.482.74$1,739
Apr 2019052562.632.75$1,444
Mar 2019151556.803.06$1,634
Feb 2019052250.852.79$1,458
Jan 201918654946.033.23$10,334
Dec 2018155746.594.19$2,378
Nov 2018059752.934.24$2,530
Oct 201819061361.443.40$13,757
Sep 2018054359.543.11$1,688
Aug 2018127259.403.07$894
Jul 2018120665.142.93$669
Jun 2018039060.183.08$1,200
May 201818352965.382.90$13,499
Apr 2018052963.842.90$1,535
Mar 2018054561.222.79$1,519
Feb 201818349361.782.77$12,669
Jan 2018054562.874.01$2,185
Dec 2017025557.272.92$745
Nov 201718115055.423.12$10,499
Oct 2017050149.292.98$1,495
Sep 2017056147.523.09$1,732
Aug 201718358545.373.00$10,060
Jul 2017055843.873.09$1,723
Jun 201718242342.493.09$9,039
May 2017054045.373.26$1,762
Apr 201718054047.933.21$10,362
Mar 2017014346.772.98$427
Feb 2017047050.452.95$1,388
Jan 2017058849.413.42$2,010
Dec 201617658348.763.72$10,752
Nov 2016057342.492.64$1,515
Oct 201618160546.193.09$10,230
Sep 2016058541.553.10$1,814
Aug 2016217541.442.92$595
Jul 201617813441.622.92$7,800
Jun 201604645.352.69$124
May 201601042.521.99$20
Apr 201618033036.561.99$7,238
Mar 2016054433.011.79$976
Feb 201617550326.472.06$5,670
Jan 2016049427.352.36$1,168
Dec 2015050932.362.00$1,019
Nov 201517647838.792.17$7,863
Oct 2015041143.552.43$997
Sep 201518112242.992.76$8,118
Aug 201504640.162.87$132
Jul 201518314048.152.95$9,224
Jun 2015018256.152.88$525
May 201518512555.212.96$10,583
Apr 201507149.822.71$192
Mar 201504042.892.93$117
Feb 201518613244.662.98$8,700
Jan 2015024843.433.10$769
Dec 20141833154.693.59$10,120
Nov 20140370.464.25$13
Oct 20141841678.303.90$14,470
Sep 201405286.164.05$210
Aug 2014179689.394.04$16,025
Jul 20140996.564.18$38
Jun 20141808298.164.74$18,057
May 20140294.734.73$9
Apr 20141835895.944.81$17,836
Mar 20141863695.895.06$18,018
Feb 2014010197.406.19$625
Jan 2014187090.404.86$16,905
Dec 20130091.824.35$0
Nov 20131893088.853.74$16,905
Oct 2013028297.423.78$1,066
Sep 201300104.113.72$0
Aug 20130211104.253.52$743
Jul 2013188142102.523.72$19,802
Jun 2013011794.403.93$460
May 201318617994.834.15$18,381
Apr 2013032893.964.28$1,405
Mar 20131818193.623.91$17,262
Feb 2013028991.233.42$988
Jan 201317755691.603.42$18,115
Dec 2012034486.773.42$1,177
Nov 201218049586.953.62$17,445
Oct 2012060589.383.40$2,057
Sep 201218466194.672.92$19,348
Aug 2012034092.662.91$989
Jul 201218435885.133.02$16,745
Jun 2012041679.822.52$1,048
May 201217755091.612.49$17,584
Apr 2012187551101.652.00$20,109
Mar 20120588105.052.22$1,307
Feb 2012187549101.102.57$20,317
Jan 2012152698.092.73$1,536
Dec 201118854396.873.24$19,971
Nov 2011068095.723.31$2,252
Oct 201118670484.983.65$18,375
Sep 2011069083.623.99$2,750
Aug 201118572083.404.15$18,417
Jul 201118572394.144.52$20,682
Jun 2011070392.904.64$3,262
May 2011470398.134.40$3,489
Apr 2011183603105.964.33$22,004
Mar 201118771296.364.06$20,908
Feb 2011064185.644.18$2,679
Jan 201118768786.504.59$19,328
Dec 2010169885.734.35$3,120
Nov 201018565480.843.80$17,438
Oct 201018269778.103.51$16,660
Sep 2010068372.633.98$2,718
Aug 201018371273.684.42$16,630
Jul 201018371672.554.74$16,668
Jun 2010270170.364.91$3,583
May 201018149771.124.24$14,978
Apr 2010049781.694.12$2,049
Mar 201018570978.394.39$17,614
Feb 201018863473.585.44$17,284
Jan 2010070274.365.96$4,187
Dec 200919070671.445.48$17,445
Nov 200918471374.593.75$16,399
Oct 2009173572.544.11$3,094
Sep 200918572365.543.06$14,341
Aug 200918474667.423.22$14,806
Jul 200918575761.133.46$13,932
Jun 2009072566.163.90$2,824
May 200918652954.743.93$12,258
Apr 2009065146.773.59$2,335
Mar 200918275742.144.06$10,742
Feb 200918969632.814.63$9,426
Jan 2009073335.865.37$3,937
Dec 200818674137.105.98$11,330
Nov 200818568755.496.86$14,979
Oct 2008073975.246.92$5,115
Sep 2008186531101.767.88$23,110
Aug 2008180747114.228.48$26,896
Jul 20081664131.0811.39$7,694
Jun 2008185639131.3313.03$32,624
May 2008178818123.1711.57$31,392
Apr 20081765110.3110.45$8,108
Mar 2008187776101.909.66$26,555
Feb 200818670292.538.77$23,368
Jan 200818677190.388.21$23,137
Dec 2007077888.337.30$5,681
Nov 200717876091.677.29$21,859
Oct 20071280382.856.92$6,553
Sep 200718679775.846.24$19,083
Aug 200718882769.066.39$18,266
Jul 200717383270.906.39$17,580
Jun 200718780262.007.55$17,648
May 2007283458.747.85$6,661
Apr 200717992859.617.81$17,913
Mar 200717854056.927.30$14,075
Feb 2007068655.108.22$5,636
Jan 200718882350.306.73$14,993
Dec 200618232356.656.92$12,545
Nov 2006083454.207.62$6,353
Oct 200617887554.906.01$15,034
Sep 200617985960.085.04$15,081
Aug 200617691768.717.34$18,824
Jul 2006060469.376.34$3,831
Jun 200618175866.286.38$16,836
May 200618389166.016.42$17,805
Apr 2006088964.397.36$6,543
Mar 200618090856.707.08$16,637
Feb 200618281657.597.75$16,806
Jan 200618390260.598.93$19,146
Dec 200518591154.9413.42$22,385
Nov 200518189754.6910.59$19,397
Oct 2005095558.3413.80$13,175
Sep 200517880361.4512.08$20,638
Aug 200518197861.519.80$20,715
Jul 200518097955.697.84$17,703
Jun 200517694952.337.38$16,215
May 200518098145.226.65$14,664
Apr 2005089149.207.36$6,558
Mar 200517795550.377.15$15,748
Feb 200518485745.226.31$13,730
Jan 200518194943.166.32$13,812
Dec 200418392239.866.75$13,519
Nov 200418392345.286.33$14,129
Oct 200418498349.706.52$15,549
Sep 200418097343.245.28$12,924
Aug 2004099942.375.55$5,545
Jul 20041851,00538.286.08$13,196
Jun 200418588136.106.43$12,346
May 200418299137.486.49$13,257
Apr 200418697134.475.86$12,100
Mar 200418381234.365.53$10,778
Feb 2004094932.455.51$5,229
Jan 20043651,02332.036.30$18,135
Dec 20031921,03130.266.30$12,307
Nov 2003089528.804.60$4,113
Oct 200318692928.174.76$9,661
Sep 20031861,05726.314.75$9,914
Aug 20031881,05929.765.13$11,027
Jul 200318591329.415.17$10,162
Jun 20031871,02528.565.98$11,473
May 20031851,01426.595.97$10,975
Apr 200319099726.675.41$10,458
Mar 200318780831.146.10$10,749
Feb 200318791933.487.93$13,545
Jan 20031891,05430.315.58$11,612
Dec 20021871,05126.914.85$10,133
Nov 20021921,03324.664.14$9,008
Oct 20021881,07026.464.23$9,500
Sep 20021851,07827.443.64$8,995
Aug 20021881,13325.963.16$8,465
Jul 20021811,13724.583.06$7,930
Jun 20021871,09823.733.34$8,103
May 20021891,13624.663.58$8,732
Apr 20021801,09123.653.51$8,089
Mar 20023651,11922.003.10$11,502
Feb 200201,00718.222.38$2,392
Jan 20023781,12117.172.38$9,153
Dec 200118776316.932.36$4,970
Nov 200118384618.072.41$5,342
Oct 20011801,12419.782.53$6,403
Sep 200111,13624.262.25$2,582
Aug 20013591,24324.873.05$12,723
Jul 20011761,24123.933.20$8,179
Jun 20011881,18924.563.82$9,164
May 20011871,21525.524.31$10,006
Apr 20011801,13324.685.34$10,487
Mar 20013591,14824.545.38$14,982
Feb 200117789627.755.77$10,079
Jan 20011771,19527.478.40$14,899
Dec 20001771,19926.889.12$15,696
Nov 20001791,03932.215.66$11,644
Oct 20001791,10731.235.15$11,286
Sep 20003541,11331.875.19$17,055
Aug 200001,17929.644.54$5,354
Jul 20003381,16728.534.09$14,416
Jun 20001691,14029.304.40$9,965
May 20001761,17627.263.68$9,125
Apr 20003581,09724.513.12$12,193
Mar 20001771,12328.422.86$8,242
Feb 20001801,07127.622.73$7,892
Jan 20001711,15325.272.48$7,181
Dec 19993541,15124.282.42$11,385
Nov 19991811,21123.192.43$7,145
Oct 19993571,27720.982.80$11,070
Sep 199901,24321.752.62$3,255
Aug 19991901,32319.262.88$7,464
Jul 19993791,30917.892.37$9,886
Jun 19991831,23115.942.36$5,825
May 19991911,32115.792.32$6,082
Apr 19993641,29815.102.21$8,362
Mar 199901,22212.471.84$2,246
Feb 19993631,1689.981.82$5,746
Jan 19991691,31310.381.90$4,249
Dec 19983751,3409.201.77$5,826
Nov 19981871,33310.892.19$4,950
Oct 19981781,44812.421.97$5,062
Sep 19981891,42312.592.08$5,343
Aug 19983691,50011.301.91$7,031
Jul 19981771,47611.742.24$5,380
Jun 19981871,42011.242.24$5,279
May 19983641,54312.622.21$7,998
Apr 19983721,48813.042.51$8,579
Mar 19981841,55512.802.31$5,946
Feb 19982021,34813.952.30$5,917
Jan 19981941,52414.702.15$6,136
Dec 19971991,46916.322.41$6,790
Nov 19973871,55118.193.09$11,829
Oct 19972031,57819.253.15$8,878
Sep 19973831,69617.742.95$11,806
Aug 19972041,82917.862.55$8,316
Jul 19972041,81317.582.25$7,660
Jun 19973971,03617.242.26$9,183
May 1997151,05718.972.31$2,725
Apr 19973751,90517.882.08$10,673
Mar 19973862,02818.951.94$11,247
Feb 19973771,84320.492.21$11,790
Jan 19972032,09223.483.54$12,171
Dec 19963902,22823.32$9,095
Nov 19962072,24021.97$4,548
Oct 19965882,35023.31$13,706
Sep 19961952,12622.22$4,333
Aug 19961812,53620.26$3,667
Jul 19965772,62019.55$11,280
Jun 1996202018.73$3,783
May 1996391019.43$7,597
Apr 1996365021.51$7,851
Mar 1996397019.38$7,694
Feb 1996393016.98$6,673
Jan 1996397017.07$6,777
Dec 1995569017.19$9,781
Nov 1995582016.00$9,312
Oct 1995564015.43$8,703
Sep 1995389016.18$6,294
Aug 1995192015.92$3,057
Jul 1995584015.24$8,900
Jun 1995377016.41$6,187
May 1995349017.56$6,128
Apr 19954021717.73$7,127
Mar 19953992,03716.44$6,560
Feb 1995801,90116.58$1,326
Jan 199501,47515.92$0
Dec 19941812,29715.03$2,720
Nov 19941922,40815.90$3,053
Oct 19942002,41015.58$3,116
Sep 19941991,77715.29$3,043
Aug 19943982,64716.13$6,420
Jul 19941502,78217.56$2,634
Jun 19943692,85617.09$6,306
May 19943283,06715.88$5,209
Apr 19942892,89914.14$4,086
Mar 19942833,38812.46$3,526
Feb 19944493,10912.50$5,613
Jan 19947133,50312.66$9,027
Dec 19934933,85812.33$6,079
Nov 19936404,06114.49$9,274
Oct 19936354,35715.85$10,065
Sep 19936934,78015.03$10,416
Aug 19935693,83215.66$8,911
Jul 19936463,78815.46$9,987
Jun 19934834,02616.79$8,110
May 19936844,39717.68$12,093
Apr 19938275,52018.05$14,927
Mar 19938937,10218.14$16,199
Feb 19937797,47217.90$13,944
Jan 19939919,00616.93$16,778

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.

Apr 2022 — as filed, then multipliedworked
Oil                    1 bbl  × $104.22 =       $104
Casinghead gas       116 Mcf  × $  6.84 =       $793

────────────────────────────────────────────────────
Month total                                     $897

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/33568 is the state's own key, not one this site invented.