AMACKER46

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

Oil lease lease 17877District 7CField 85279200OilCasinghead gasSaveExport
Value, all time
$12.2 M
Apr 2012 – May 2026
Value, last 12 filed months
$98 k
at the published price for each month
Months reported
170
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 7,461 leases and 22,481 wells, and the rule below applies to all of them.

Discovered
1904-12-31
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 80 acres. The field rule took effect on 2016-03-08.

The Commission's schedule remark for this field reads: AREA) 85279200.

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
OilDisposition151,161 bbl$10,978,498
Casinghead gasProduction357,921 Mcf$1,249,157
Total$12,227,655

Wells on this lease (3)

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 31.3740, -101.9994. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.6 miles.

31.37231, -101.99891 · centre of 2 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
33.3%
1 of 3 wells
With a plug date
33.3%
1 of 3 wells
Median depth
10,375 ft
3 wells filed one
Completion to plug
9.4 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
133.3%
A plug date is filed
133.3%
BothOn the schedule and plugged. Neither fact cancels the other.
133.3%
NeitherNo plug date, and not on the schedule.
266.7%

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 9,250 and 10,455 ft, median 10,375 ft, over the 3 wells that filed a depth.

Completions filed
May 2012 – Jan 2014
3 of 3 wells
Plug dates filed
Oct 2021
1 of 3 wells; 2 filed none

Last completion to plug: a median of 9.4 years across the 1 well that filed both dates, with the middle half between 9.4 years and 9.4 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

3 wells

42-46137947610,455 ftJan 2014
42-461379602H9,250 ftJul 2012
42-46137933410,375 ftMay 2012Oct 2021Yes

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 (170)

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

170 months

May 202601106.413.05$3
Apr 2026103598.932.87$1,090
Mar 20266711289.753.15$6,366
Feb 202619112463.503.75$12,594
Jan 2026771359.138.00$4,657
Dec 20251163756.664.41$6,736
Nov 2025924758.593.93$5,575
Oct 202515711059.383.30$9,686
Sep 20251699162.743.08$10,883
Aug 20251658563.933.01$10,805
Jul 202524610366.743.32$16,760
Jun 20251877366.483.13$12,660
May 202526517660.553.23$16,615
Apr 202527419162.363.54$17,763
Mar 20253711,06367.704.27$29,654
Feb 202526070.884.34$1,843
Jan 202516119774.324.28$12,808
Dec 202425523168.993.12$18,313
Nov 202411815769.052.20$8,493
Oct 202414517371.372.28$10,743
Sep 202429497269.612.36$22,764
Aug 20245818875.632.06$4,775
Jul 202414730379.932.15$12,400
Jun 202421831778.082.63$17,856
May 2024191078.812.20$15,053
Apr 202429457184.451.66$25,776
Mar 202453758780.301.55$44,028
Feb 20242361,45676.091.78$20,554
Jan 20243001,73573.023.30$27,627
Dec 202336635671.262.61$27,011
Nov 202349737477.892.81$39,761
Oct 202323033985.443.09$20,698
Sep 202341586289.042.74$39,309
Aug 20235611,96980.522.67$50,435
Jul 202316110474.852.64$12,326
Jun 202323515268.962.26$16,549
May 202331917770.622.23$22,922
Apr 202323132878.122.24$18,780
Mar 202322144972.852.39$17,174
Feb 202323258975.112.47$18,878
Jan 202325468976.533.39$21,773
Dec 202224050176.415.73$21,209
Nov 202233569685.005.65$32,405
Oct 20222591,37287.185.86$30,625
Sep 20222921,42984.888.16$36,451
Aug 20223501,66294.529.13$48,251
Jul 20223412,513101.587.54$53,592
Jun 20223132,071115.097.98$52,544
May 20224232,292109.378.43$65,592
Apr 20222611,406104.226.84$36,815
Mar 20222821,387108.885.08$37,745
Feb 20222571,28091.054.86$29,619
Jan 20223182,11881.844.54$35,636
Dec 20213762,19171.323.90$35,359
Nov 20213561,94377.435.24$37,740
Oct 20213531,87979.795.71$38,902
Sep 202121475769.865.35$19,001
Aug 202138129966.024.22$26,416
Jul 20215842,53270.783.98$51,418
Jun 20213521,97969.493.38$31,151
May 20213862,26263.483.02$31,329
Apr 20213141,91860.362.76$24,244
Mar 20216212,50861.302.72$44,881
Feb 20215581,96957.805.55$43,176
Jan 20216023,49550.412.81$40,169
Dec 20205022,65144.642.68$29,502
Nov 20205703,07138.772.71$30,411
Oct 20207212,02636.972.48$31,677
Sep 20206471,85337.091.99$27,687
Aug 20205912,06939.982.39$28,563
Jul 20206481,88938.371.83$28,311
Jun 20206881,58634.901.69$26,692
May 20204911,58116.921.81$11,177
Apr 20205451,60914.751.80$10,942
Mar 20206181,06630.341.86$20,729
Feb 20205021,03149.881.98$27,082
Jan 20205811,16157.252.09$35,694
Dec 20196911,29059.012.30$43,749
Nov 20196001,29755.302.75$36,748
Oct 20197001,41353.472.42$40,846
Sep 20196401,45755.052.66$39,104
Aug 20197482,33353.112.30$45,102
Jul 20197592,01656.272.46$47,668
Jun 20196301,55252.782.49$37,118
May 20197481,84158.482.74$48,788
Apr 20197451,92462.632.75$51,952
Mar 20198712,31356.803.06$56,555
Feb 20198601,94450.852.79$49,159
Jan 20198032,58046.033.23$45,291
Dec 20185963,36446.594.19$41,847
Nov 20185503,07752.934.24$42,149
Oct 20187333,35961.443.40$56,450
Sep 20186942,84859.543.11$50,172
Aug 20188713,30459.403.07$61,869
Jul 20181,1623,59265.142.93$86,224
Jun 20188532,25160.183.08$58,260
May 20188472,32365.382.90$62,115
Apr 20181,0443,57263.842.90$77,011
Mar 20181,2855,30061.222.79$93,438
Feb 20181,9825,53661.782.77$137,761
Jan 20181,0574,03862.874.01$82,643
Dec 20171,4852,26357.272.92$91,657
Nov 20172721,56855.423.12$19,964
Oct 20175421,77749.292.98$32,017
Sep 20171,0933,18447.523.09$61,769
Aug 20179432,56645.373.00$50,493
Jul 20179242,90343.873.09$49,498
Jun 20176732,51942.493.09$36,373
May 20173932,43845.373.26$25,787
Apr 20176522,47347.933.21$39,193
Mar 20177282,33846.772.98$41,024
Feb 20175662,19250.452.95$35,027
Jan 20174362,04149.413.42$28,521
Dec 20165191,24748.763.72$29,949
Nov 20164581,83642.492.64$24,315
Oct 20164902,16246.193.09$29,314
Sep 20166231,91541.553.10$31,823
Aug 20162881,02341.442.92$14,926
Jul 20166491,45841.622.92$31,275
Jun 201624422845.352.69$11,678
May 201646842542.521.99$20,746
Apr 20161,1941,47136.561.99$46,581
Mar 20161,2301,48933.011.79$43,274
Feb 20161,2582,34626.472.06$38,141
Jan 20161,4043,97827.352.36$47,805
Dec 20151,2942,75832.362.00$47,394
Nov 20151,3441,85438.792.17$56,152
Oct 20151,0831,11743.552.43$49,875
Sep 20157821,02542.992.76$36,446
Aug 20151,11248140.162.87$46,040
Jul 20151,20419348.152.95$58,541
Jun 20151,12012356.152.88$63,243
May 201554820655.212.96$30,864
Apr 201518328549.822.71$9,888
Mar 20159302,08742.892.93$46,012
Feb 20151,1303,16444.662.98$59,882
Jan 20151,2203,15943.433.10$62,779
Dec 20141,4293,38954.693.59$90,323
Nov 20141,4914,32870.464.25$123,458
Oct 20141,5463,31778.303.90$133,991
Sep 20141,6336,03686.164.05$165,118
Aug 20142,1417,45389.394.04$221,458
Jul 20148321,84796.564.18$88,058
Jun 20141,4332,91098.164.74$154,448
May 20142,2786,95494.734.73$248,663
Apr 20142,2505,80895.944.81$243,796
Mar 20142,5025,70195.895.06$268,746
Feb 20142,2032,10397.406.19$227,594
Jan 20141,7932,01190.404.86$171,862
Dec 20131,4741,28591.824.35$140,938
Nov 201323416588.853.74$21,408
Oct 201319813997.423.78$19,814
Sep 201319151104.113.72$20,075
Aug 2013322195104.253.52$34,255
Jul 2013767589102.523.72$80,823
Jun 20131,6322,30794.403.93$163,135
May 20131,8112,23894.834.15$181,023
Apr 20131,6723,02993.964.28$170,073
Mar 20131,7973,51893.623.91$182,001
Feb 20131,4143,40091.233.42$140,627
Jan 20133,4948,73591.603.42$349,923
Dec 20124,39411,00186.773.42$418,893
Nov 20124,6039,90086.953.62$436,118
Oct 20128,05422,16789.383.40$795,227
Sep 201210,41613,68694.672.92$1,026,024
Aug 20128,3977,65792.662.91$800,334
Jul 20128481,75585.133.02$77,492
Jun 20121,7803,34679.822.52$150,508
May 20121,2192,38891.612.49$117,615
Apr 20121109101.652.00$319

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                    0 bbl  × $106.41 =         $0
Casinghead gas         1 Mcf  × $  3.05 =         $3

────────────────────────────────────────────────────
Month total                                       $3

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/17877 is the state's own key, not one this site invented.