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AMACKER 66F

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 20848District 7CField 85279200OilCasinghead gasSaveExport
Value, all time
$32.0 M
Jun 2019 – May 2026
Value, last 12 filed months
$2.3 M
at the published price for each month
Months reported
84
no gaps in the span
Streams
2
oil, casinghead gas

The SPRABERRY (TREND AREA) field

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
OilDisposition449,938 bbl$24,712,335
Casinghead gasProduction2,172,353 Mcf$7,290,250
Total$32,002,584

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 31.4043, -102.0408. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.40427, -102.04081 · 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
0.0%
0 of 1 wells
With a plug date
0.0%
0 of 1 wells
Median depth
9,085 ft
1 wells filed one
Completion to plug
—
no well filed both dates

What the state filed about each well

On the RRC proration schedule
00.0%
A plug date is filed
00.0%
BothOn the schedule and plugged. Neither fact cancels the other.
00.0%
NeitherNo plug date, and not on the schedule.
1100.0%

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 9,085 ft.

Completions filed
Jan 2020
1 of 1 wells

1 well

42-461410746606BH9,085 ftJan 2020——

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 (84)

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

84 months

May 20261,21029,940106.413.05$219,949
Apr 20261,19028,95398.932.87$200,814
Mar 20261,28026,48089.753.15$198,277
Feb 20261,26423,93863.503.75$170,039
Jan 20261,33527,03759.138.00$295,178
Dec 20251,44226,98556.664.41$200,798
Nov 20251,40125,32058.593.93$181,502
Oct 20251,41226,20959.383.30$170,461
Sep 20251,05525,48162.743.08$144,594
Aug 20251,13327,16363.933.01$154,323
Jul 20251,33323,41666.743.32$166,593
Jun 20251,68626,66466.483.13$195,509
May 20251,68328,94360.553.23$195,459
Apr 20251,64727,12462.363.54$198,811
Mar 20251,71029,00167.704.27$239,553
Feb 20251,47628,05770.884.34$226,410
Jan 20251,86728,26574.324.28$259,692
Dec 20241,74429,06168.993.12$211,029
Nov 20241,58524,82069.052.20$164,010
Oct 20241,85623,30671.372.28$185,633
Sep 20241,74019,52569.612.36$167,286
Aug 20241,79921,22075.632.06$179,849
Jul 20241,97120,76879.932.15$202,122
Jun 20242,16527,58278.082.63$241,694
May 20242,107078.812.20$166,053
Apr 20242,40227,40084.451.66$248,311
Mar 20242,68627,97580.301.55$258,911
Feb 20242,28628,70476.091.78$225,139
Jan 20242,65030,15473.023.30$292,941
Dec 20232,65330,27071.262.61$268,079
Nov 20232,76731,66377.892.81$304,417
Oct 20232,70531,85585.443.09$329,461
Sep 20232,82131,17689.042.74$336,449
Aug 20232,92529,95080.522.67$315,574
Jul 20233,14531,43974.852.64$318,459
Jun 20233,11431,91168.962.26$286,812
May 20233,24031,96370.622.23$300,003
Apr 20233,40533,84278.122.24$341,729
Mar 20233,69135,37672.852.39$353,550
Feb 20233,46028,75675.112.47$330,784
Jan 20234,14732,43476.533.39$427,247
Dec 20223,93729,93376.415.73$472,315
Nov 20224,17830,34285.005.65$526,447
Oct 20223,62828,48887.185.86$483,336
Sep 20224,53330,32484.888.16$632,316
Aug 20224,77032,84894.529.13$750,669
Jul 20224,90626,639101.587.54$699,265
Jun 20225,00724,785115.097.98$773,971
May 20224,76920,579109.378.43$695,129
Apr 20225,37521,724104.226.84$708,723
Mar 20225,35218,688108.885.08$677,594
Feb 20224,25511,97091.054.86$445,578
Jan 20223,9005,99881.844.54$346,393
Dec 20214,4255,93571.323.90$338,732
Nov 20213,9957,64477.435.24$349,363
Oct 20213,1266,06479.795.71$284,072
Sep 20211,23251169.865.35$88,802
Aug 20211,3796,06166.024.22$116,623
Jul 20213,60816,12870.783.98$319,597
Jun 20217,82333,98369.493.38$658,504
May 20218,24337,40863.483.02$636,151
Apr 20218,76337,44460.362.76$632,221
Mar 20219,41037,19961.302.72$677,900
Feb 20217,65125,82957.805.55$585,526
Jan 20219,99934,34350.412.81$600,563
Dec 202010,75034,81344.642.68$573,021
Nov 202011,03933,22738.772.71$517,913
Oct 202012,48741,22836.972.48$563,825
Sep 202013,28842,69237.091.99$577,853
Aug 202015,13352,07539.982.39$729,221
Jul 202016,76743,08538.371.83$721,985
Jun 202018,91144,08334.901.69$734,508
May 202021,60656,87016.921.81$468,778
Apr 202027,53264,17614.751.80$521,895
Mar 202033,43145,92830.341.86$1,099,549
Feb 202040,85342,07849.881.98$2,121,090
Jan 202016,68921,10557.252.09$999,655
Dec 20190059.012.30$0
Nov 20190055.302.75$0
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

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                1,210 bbl  × $106.41 =   $128,756
Casinghead gas    29,940 Mcf  × $  3.05 =    $91,192

────────────────────────────────────────────────────
Month total                                 $219,949

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/20848 is the state's own key, not one this site invented.