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SENTINEL STATE 55-28 UNIT

Operated by COTERRA ENERGY OPERATING CO. (P-5 103285) in the PHANTOM (WOLFCAMP) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Gas lease lease 284511District 08Field 71052900Hydrogen sulphide field2 tax incentive programmesCondensateGasSaveExport
Value, all time
$38.6 M
Dec 2017 – May 2026
Value, last 12 filed months
$2.1 M
at the published price for each month
Months reported
102
no gaps in the span
Streams
2
condensate, gas

The PHANTOM (WOLFCAMP) 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 7,755 leases and 10,539 wells, and the rule below applies to all of them.

Discovered
1983-06-23
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 20 acres. The field rule took effect on 2017-08-01.

The register flags this field for hydrogen sulphide. That is a poisonous gas that occurs naturally in some formations. The flag is a property of the field as the Commission records it. It is not a measurement taken at this lease, and it is not a statement that gas is escaping anywhere.

The Commission's schedule remark for this field reads: “FOR THE FOLLOWING API 389-37515.”

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
High Cost Gas112018-10-19222629
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
CondensateDisposition486,805 bbl$29,845,751
GasProduction2,590,044 Mcf$8,721,622
Total$38,567,373

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 31.5496, -103.8059. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.54962, -103.80595 · 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
10,406 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 10,406 ft.

Completions filed
Dec 2017
1 of 1 wells

1 well

42-389358241H10,406 ftDec 2017——

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 (102)

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

102 months

May 20261,30915,399106.413.05$186,194
Apr 20261,43316,17298.932.87$188,176
Mar 20261,54416,14089.753.15$189,406
Feb 20261,47614,34363.503.75$147,517
Jan 20261,54014,47059.138.00$206,790
Dec 20251,55216,45556.664.41$160,558
Nov 20251,51415,07458.593.93$147,892
Oct 20251,64018,52159.383.30$158,592
Sep 20251,62317,63362.743.08$156,082
Aug 20251,66218,71463.933.01$162,670
Jul 20251,86721,09466.743.32$194,534
Jun 20251,91718,26266.483.13$184,579
May 20252,09819,63860.553.23$190,510
Apr 20251,81918,18962.363.54$177,879
Mar 20252,34921,20967.704.27$249,554
Feb 20252,14617,63870.884.34$228,672
Jan 20252,15918,07974.324.28$237,811
Dec 20241,79715,96268.993.12$173,798
Nov 20241,79015,61669.052.20$157,930
Oct 20242,07516,96971.372.28$186,806
Sep 20241,1077,71569.612.36$95,299
Aug 20241,0107,12175.632.06$91,081
Jul 20241,5919,65379.932.15$147,890
Jun 20241,36010,39278.082.63$133,561
May 20242,09116,88678.812.20$201,915
Apr 20241,69514,29884.451.66$166,866
Mar 20242,64619,39780.301.55$242,445
Feb 20242,67618,98576.091.78$237,479
Jan 20242,76917,96873.023.30$261,445
Dec 20233,18723,54571.262.61$288,575
Nov 20232,91420,54277.892.81$284,644
Oct 20232,00412,90285.443.09$211,054
Sep 20232,66720,04989.042.74$292,305
Aug 2023624,05780.522.67$15,836
Jul 202303274.852.64$85
Jun 20232,35418,38268.962.26$203,847
May 20232,26515,68670.622.23$194,893
Apr 20231,99614,22778.122.24$187,764
Mar 20232,55118,68072.852.39$230,545
Feb 20232,32315,82175.112.47$213,490
Jan 20232,78518,97376.533.39$277,411
Dec 20222,68118,79376.415.73$312,522
Nov 20222,62117,33585.005.65$320,662
Oct 20222,91623,22487.185.86$390,397
Sep 20222,53117,91284.888.16$361,059
Aug 20223,16019,22794.529.13$474,171
Jul 20222,99319,724101.587.54$452,789
Jun 20222,86418,308115.097.98$475,664
May 20222,91419,269109.378.43$481,200
Apr 20223,10318,388104.226.84$449,124
Mar 20223,33220,263108.885.08$465,651
Feb 20223,63423,20991.054.86$443,645
Jan 20223,45219,07181.844.54$369,050
Dec 20213,03117,11771.323.90$282,912
Nov 20212,64814,65177.435.24$281,760
Oct 20213,02016,27179.795.71$333,936
Sep 20212,81914,68669.865.35$275,519
Aug 20213,68615,49466.024.22$308,744
Jul 20214,70915,39170.783.98$394,591
Jun 20214,66914,33369.493.38$372,903
May 20215,47931,41563.483.02$442,607
Apr 20215,79841,06560.362.76$463,242
Mar 20215,01911,32861.302.72$338,442
Feb 20215,37518,45857.805.55$413,079
Jan 20216,14633,55350.412.81$404,113
Dec 20206,39426,45344.642.68$356,202
Nov 20206,60730,19638.772.71$337,881
Oct 20207,46149,69736.972.48$399,004
Sep 20208,91231,29837.091.99$392,862
Aug 20208,69536,86839.982.39$435,560
Jul 20207,31626,14938.371.83$328,440
Jun 20205,57723,73134.901.69$234,750
May 20204,96520,92316.921.81$121,978
Apr 20204,45220,97014.751.80$103,505
Mar 20204,54521,18230.341.86$177,214
Feb 20204,01819,52549.881.98$239,090
Jan 20204,12818,23357.252.09$274,521
Dec 20193,93317,50759.012.30$272,429
Nov 20193,37114,67255.302.75$226,775
Oct 20193,44014,76253.472.42$219,639
Sep 20193,15013,39755.052.66$209,007
Aug 20193,28714,85253.112.30$208,797
Jul 20193,95520,26256.272.46$272,394
Jun 20196,03028,26052.782.49$388,665
May 20193,47015,04258.482.74$244,145
Apr 20194262.632.75$256
Mar 20194,20920,06756.803.06$300,518
Feb 20198,25941,61550.852.79$536,168
Jan 20197,79938,11246.033.23$482,020
Dec 20189,64645,72546.594.19$640,786
Nov 201810,77852,21752.934.24$791,736
Oct 201811,65055,53861.443.40$904,499
Sep 201812,44456,99859.543.11$918,066
Aug 201810,99245,77259.403.07$793,287
Jul 201813,46063,90665.142.93$1,064,149
Jun 201814,45268,79960.183.08$1,081,410
May 201816,14375,69865.382.90$1,275,014
Apr 201814,48565,03263.842.90$1,113,367
Mar 201821,58098,94061.222.79$1,596,858
Feb 201817,71378,15161.782.77$1,310,484
Jan 201828,889123,19462.874.01$2,310,176
Dec 201714,63366,92657.272.92$1,033,558

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
Condensate         1,309 bbl  × $106.41 =   $139,291
Gas               15,399 Mcf  × $  3.05 =    $46,903

────────────────────────────────────────────────────
Month total                                 $186,194

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/G/284511 is the state's own key, not one this site invented.