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NAIL UNIT 1

Operated by XTO ENERGY INC. (P-5 945936) in the SPRABERRY (TREND AREA) R 40 EXC field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 47199District 08Field 85280301Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$49.9 M
Nov 2015 – May 2026
Value, last 12 filed months
$2.9 M
at the published price for each month
Months reported
127
no gaps in the span
Streams
2
oil, casinghead gas

The SPRABERRY (TREND AREA) R 40 EXC 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 581 leases and 1,079 wells, and the rule below applies to all of them.

Discovered
2013-12-18
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 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: “DESIGNATED AS UFT FIELD PER DOCKET 01-0299858”

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
OilDisposition850,890 bbl$44,504,039
Casinghead gasProduction1,857,663 Mcf$5,431,073
Total$49,935,112

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 32.1645, -101.9896. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.2 miles.

32.16452, -101.98956 · 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 3 wells
With a plug date
0.0%
0 of 3 wells
Median depth
9,385 ft
3 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.
3100.0%

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

Between 9,215 and 9,426 ft, median 9,385 ft, over the 3 wells that filed a depth.

Completions filed
Nov 2019 – Nov 2025
3 of 3 wells

3 wells

42-317401763112AH9,215 ftNov 2025——
42-317401623101AH9,385 ftJan 2020——
42-317401773103AH9,426 ftNov 2019——

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 (127)

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

127 months

May 20262,4356,586106.413.05$279,168
Apr 20262,3816,65798.932.87$254,656
Mar 20262,6197,58589.753.15$258,944
Feb 20262,2257,92563.503.75$171,009
Jan 20263,1418,31659.138.00$252,238
Dec 20253,6238,30456.664.41$241,928
Nov 20253,78110,74958.593.93$263,734
Oct 20253,1829,35359.383.30$219,857
Sep 20258,6908,07862.743.08$570,066
Aug 20259332,31463.933.01$66,623
Jul 20252,2516,77766.743.32$172,699
Jun 20251,4355,38266.483.13$112,238
May 20252,0016,39660.553.23$141,834
Apr 20251,0284,21062.363.54$79,023
Mar 20252,6766,28167.704.27$207,975
Feb 20252,3726,02970.884.34$194,298
Jan 20252,2327,46174.324.28$197,805
Dec 20241,8285,40568.993.12$142,985
Nov 20242,7588,40469.052.20$208,916
Oct 20242,9488,49971.372.28$229,788
Sep 20243,0488,93969.612.36$233,306
Aug 20243,37910,07475.632.06$276,343
Jul 20243,54411,41679.932.15$307,777
Jun 20243,2429,60778.082.63$278,440
May 20244,61913,27178.812.20$393,199
Apr 20244,41311,81684.451.66$392,283
Mar 20244,56111,63880.301.55$384,231
Feb 20242,7492,08376.091.78$212,887
Jan 20242,9898,82673.023.30$247,362
Dec 20233,6338,54371.262.61$281,191
Nov 20234,89312,68977.892.81$416,741
Oct 20231,6773,59885.443.09$154,391
Sep 20233,3188,01189.042.74$317,345
Aug 20236,30119,06580.522.67$558,315
Jul 20237,17821,70474.852.64$594,611
Jun 20239,06540,42368.962.26$716,417
May 202311,63437,92670.622.23$906,069
Apr 20234001,15578.122.24$33,833
Mar 2023855472.852.39$6,321
Feb 20238571,58875.112.47$68,285
Jan 20238,30822,70676.533.39$712,733
Dec 20227,58019,47976.415.73$690,785
Nov 202221,97358,66985.005.65$2,198,962
Oct 20222,6315,03587.185.86$258,895
Sep 20220084.888.16$0
Aug 20220094.529.13$0
Jul 202200101.587.54$0
Jun 202200115.097.98$0
May 20221,1110109.378.43$121,510
Apr 20221,822360104.226.84$192,350
Mar 202200108.885.08$0
Feb 2022425091.054.86$38,696
Jan 20222,5826,49081.844.54$240,760
Dec 202110,49625,54771.323.90$848,186
Nov 20218842,59877.435.24$82,053
Oct 20216,93117,43479.795.71$652,640
Sep 20214,5378,66869.865.35$363,337
Aug 202120,62348,16666.024.22$1,564,819
Jul 20211,6497,13270.783.98$145,116
Jun 20213711,73269.493.38$31,636
May 20211,9845,01563.483.02$141,078
Apr 20215,11013,38360.362.76$345,356
Mar 20216,90617,98161.302.72$472,191
Feb 20212,7546,07757.805.55$192,896
Jan 20218,30121,51350.412.81$478,911
Dec 202012,83232,06844.642.68$658,617
Nov 2020119038.772.71$4,614
Oct 20201,1402,28236.972.48$47,802
Sep 20204,87713,21237.091.99$207,194
Aug 20206,16917,38439.982.39$288,099
Jul 202092419,23938.371.83$70,567
Jun 20204,81718,07634.901.69$198,667
May 20205,16619,26916.921.81$122,377
Apr 20208,88617,68614.751.80$162,981
Mar 202026869330.341.86$9,417
Feb 20203,92331,80149.881.98$258,667
Jan 20204,92825,60657.252.09$335,766
Dec 20192,32110,63159.012.30$161,460
Nov 20194,36622,44655.302.75$303,182
Oct 20196,22030,43253.472.42$406,184
Sep 20196,40528,90055.052.66$429,391
Aug 20196,71330,14353.112.30$425,988
Jul 20195,97517,23656.272.46$378,615
Jun 20195,45712,01752.782.49$317,957
May 20196,13412,62258.482.74$393,305
Apr 20195,18811,82862.632.75$357,460
Mar 20195,64511,48556.803.06$355,804
Feb 20195,55010,56350.852.79$311,712
Jan 20195,79811,55346.033.23$304,177
Dec 20186,3069,63746.594.19$334,132
Nov 20185,8329,78552.934.24$350,149
Oct 20185,7989,60661.443.40$388,871
Sep 20185,9329,13559.543.11$381,583
Aug 20186,1479,81959.403.07$395,242
Jul 20186,4119,60365.142.93$445,767
Jun 20186,1288,18360.183.08$393,961
May 20186,7828,99465.382.90$469,497
Apr 20186,5478,61863.842.90$442,960
Mar 20186,5998,11361.222.79$426,600
Feb 20186,0755,07961.782.77$389,363
Jan 20187,70110,17462.874.01$524,953
Dec 20177,81215,60857.272.92$492,992
Nov 20177,49216,72455.423.12$467,358
Oct 20177,0028,53349.292.98$370,588
Sep 20178,42419,53547.523.09$460,618
Aug 20179,56719,37145.373.00$492,253
Jul 20178,95012,95643.873.09$432,635
Jun 20179,25213,45842.493.09$434,666
May 20178,68811,96545.373.26$433,221
Apr 20177,72911,65347.933.21$407,876
Mar 201710,25815,95346.772.98$527,365
Feb 20179,97114,52650.452.95$545,926
Jan 201710,14311,36049.413.42$540,003
Dec 201610,06514,37048.763.72$544,266
Nov 20169,89426,46142.492.64$490,368
Oct 201614,45940,29546.193.09$792,383
Sep 201615,22033,87041.553.10$737,409
Aug 201611,72233,10941.442.92$582,582
Jul 201616,97144,45341.622.92$836,329
Jun 201617,53243,74945.352.69$912,579
May 201622,08158,44042.521.99$1,055,241
Apr 201631,93579,41336.561.99$1,325,658
Mar 201637,70856,15133.011.79$1,345,477
Feb 201621,30320,87626.472.06$606,971
Jan 201634,18832,99027.352.36$1,013,042
Dec 201544,7838,77132.362.00$1,466,732
Nov 20158,5608,03338.792.17$349,453

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                2,435 bbl  × $106.41 =   $259,108
Casinghead gas     6,586 Mcf  × $  3.05 =    $20,060

────────────────────────────────────────────────────
Month total                                 $279,168

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/47199 is the state's own key, not one this site invented.