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BOX NAIL

Operated by OXYROCK OPERATING, LLC (P-5 102324) 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 51456District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$39.3 M
Sep 2018 – May 2026
Value, last 12 filed months
$1.7 M
at the published price for each month
Months reported
93
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 16,587 leases and 43,997 wells, and the rule below applies to all of them.

Discovered
1952-12-22
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 2018-02-13.

The Commission's schedule remark for this field reads: “SPRABERRY (TREND AREA) FIELD EFFECTIVE 10/1/2019.”

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
OilDisposition598,055 bbl$34,953,042
Casinghead gasProduction1,265,292 Mcf$4,302,279
Total$39,255,320

Wells on this lease (2)

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 32.0994, -102.0105. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.1 miles.

32.09941, -102.01055 · 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 2 wells
With a plug date
0.0%
0 of 2 wells
Median depth
8,819 ft
2 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.
2100.0%

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 8,724 and 8,913 ft, median 8,819 ft, over the 2 wells that filed a depth.

Completions filed
Sep 2018
2 of 2 wells

2 wells

42-317413243LL8,913 ftSep 2018——
42-317413232LM8,724 ftSep 2018——

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 (93)

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

93 months

May 20261,32912,260106.413.05$178,761
Apr 20261,34412,08698.932.87$167,645
Mar 20261,2239,82589.753.15$140,708
Feb 20261,55910,78463.503.75$139,440
Jan 20261,00410,96859.138.00$147,088
Dec 20251,38011,41356.664.41$128,560
Nov 20251,40011,35958.593.93$126,626
Oct 20251,52311,76859.383.30$129,327
Sep 20251,3739,10162.743.08$114,145
Aug 20251,3859,18063.933.01$116,219
Jul 20251,4289,23766.743.32$125,927
Jun 20251,59210,42866.483.13$138,462
May 20251,98010,80960.553.23$154,827
Apr 20251,77610,34762.363.54$147,412
Mar 20251,65810,09567.704.27$155,335
Feb 20251,7108,84270.884.34$159,587
Jan 20251,8049,76474.324.28$175,850
Dec 20241,6689,72468.993.12$145,428
Nov 20241,7509,88769.052.20$142,573
Oct 20241,86310,08071.372.28$155,959
Sep 20241,89510,22769.612.36$156,091
Aug 20242,02510,67775.632.06$175,184
Jul 20242,10110,66879.932.15$190,833
Jun 20242,22210,56578.082.63$201,322
May 20241,9778,77778.812.20$175,103
Apr 20242,1619,38984.451.66$198,075
Mar 20241,8127,99580.301.55$157,857
Feb 20242,3199,71976.091.78$193,788
Jan 20242,49411,05473.023.30$218,564
Dec 20232,71711,05171.262.61$222,464
Nov 20232,49510,91477.892.81$224,977
Oct 20232,20410,32985.443.09$220,198
Sep 20232,49611,17789.042.74$252,813
Aug 20232,57711,59580.522.67$238,492
Jul 20232,73411,16074.852.64$234,122
Jun 20232,74711,12668.962.26$214,561
May 20233,03310,72870.622.23$238,086
Apr 20233,17110,82178.122.24$271,933
Mar 20233,1799,29572.852.39$253,835
Feb 20233,3008,92275.112.47$269,862
Jan 20233,2098,16976.533.39$273,259
Dec 20223,3786,82576.415.73$297,214
Nov 20222,9044,85985.005.65$274,275
Oct 20225162,40087.185.86$59,058
Sep 20222,55210,91784.888.16$305,737
Aug 20223,00911,20394.529.13$386,662
Jul 20223,13712,735101.587.54$414,705
Jun 20223,29512,756115.097.98$480,979
May 20223,46413,389109.378.43$491,768
Apr 20223,61413,299104.226.84$467,584
Mar 20223,93114,603108.885.08$502,138
Feb 20223,25011,71191.054.86$352,814
Jan 20223,54613,36581.844.54$350,851
Dec 20213,74515,05471.323.90$325,791
Nov 20214,34816,15077.435.24$421,241
Oct 20214,58217,74979.795.71$467,013
Sep 20214,04116,46869.865.35$370,423
Aug 20214,90218,76666.024.22$402,834
Jul 20215,34220,32270.783.98$459,031
Jun 20214,95817,90569.493.38$405,061
May 20215,20217,65763.483.02$383,506
Apr 20215,30217,12460.362.76$367,264
Mar 20216,12216,60461.302.72$420,391
Feb 20216,24511,77257.805.55$426,271
Jan 20215,63716,69750.412.81$331,084
Dec 20206,70819,70644.642.68$352,168
Nov 20206,01116,93138.772.71$278,871
Oct 20206,34215,56136.972.48$273,031
Sep 20205,70615,32837.091.99$242,154
Aug 20207,56819,86739.982.39$349,953
Jul 20207,93420,50738.371.83$341,855
Jun 20207,93719,62134.901.69$310,167
May 20208,56219,43016.921.81$180,130
Apr 20208,87417,58214.751.80$162,616
Mar 20209,01318,62130.341.86$308,019
Feb 202010,07617,45749.881.98$537,167
Jan 202010,85319,21857.252.09$661,591
Dec 20199,78416,35259.012.30$615,035
Nov 201910,33917,36355.302.75$619,507
Oct 201910,17417,37653.472.42$586,028
Sep 201911,77618,35355.052.66$697,038
Aug 201912,64519,21953.112.30$715,863
Jul 201913,09019,78256.272.46$785,239
Jun 201915,24718,77452.782.49$851,506
May 201916,01119,72258.482.74$990,368
Apr 201912,56513,39962.632.75$823,803
Mar 20195,8588,54856.803.06$358,909
Feb 201919,82113,26750.852.79$1,044,942
Jan 201924,3298,07446.033.23$1,145,928
Dec 201829,85722,01446.594.19$1,483,176
Nov 201832,29135,11252.934.24$1,857,941
Oct 201832,90720,33161.443.40$2,090,892
Sep 201865,13825,13259.543.11$3,956,427

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                1,329 bbl  × $106.41 =   $141,419
Casinghead gas    12,260 Mcf  × $  3.05 =    $37,342

────────────────────────────────────────────────────
Month total                                 $178,761

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/51456 is the state's own key, not one this site invented.