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CALVERLEY 30

Operated by DIAMONDBACK E&P LLC (P-5 217012) 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 46066District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$6.8 M
Oct 2014 – May 2026
Value, last 12 filed months
$257 k
at the published price for each month
Months reported
140
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
OilDisposition105,167 bbl$5,671,708
Casinghead gasProduction380,451 Mcf$1,126,162
Total$6,797,870

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 31.7774, -101.6496. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.9 miles.

31.77616, -101.65097 · 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
11,531 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 11,500 and 11,551 ft, median 11,531 ft, over the 3 wells that filed a depth.

Completions filed
Dec 2014 – Apr 2020
3 of 3 wells

3 wells

42-173366841A11,500 ftApr 2020——
42-173368763A11,531 ftJun 2015——
42-173368752A11,551 ftDec 2014——

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 (140)

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

140 months

May 2026178789106.413.05$21,344
Apr 202624388598.932.87$26,580
Mar 20263561,25389.753.15$35,897
Feb 20263501,36563.503.75$27,344
Jan 202618480559.138.00$17,318
Dec 20253681,32956.664.41$26,716
Nov 20253581,22858.593.93$25,797
Oct 202517929559.383.30$11,604
Sep 202517621262.743.08$11,695
Aug 20253601,09963.933.01$26,328
Jul 202518237066.743.32$13,373
Jun 202517841966.483.13$13,144
May 202553180260.553.23$34,744
Apr 20251731,16362.363.54$14,909
Mar 20251811,07367.704.27$16,834
Feb 20255381,04470.884.34$42,665
Jan 20251971,52174.324.28$21,149
Dec 20245612,25268.993.12$45,733
Nov 20243681,42269.052.20$28,537
Oct 20243582,46271.372.28$31,167
Sep 20245351,55369.612.36$40,913
Aug 202436190975.632.06$29,178
Jul 20240079.932.15$0
Jun 202434477778.082.63$28,906
May 202418687478.812.20$16,580
Apr 20245651,23684.451.66$49,765
Mar 20243641,34080.301.55$31,300
Feb 20243571,20476.091.78$29,312
Jan 20245411,26773.023.30$43,682
Dec 20239011,66271.262.61$68,544
Nov 202317847077.892.81$15,184
Oct 202353526385.443.09$46,522
Sep 202335516889.042.74$32,069
Aug 20235288580.522.67$42,742
Jul 202353623074.852.64$40,727
Jun 202335623668.962.26$25,083
May 20230070.622.23$0
Apr 20230078.122.24$0
Mar 20230072.852.39$0
Feb 20230075.112.47$0
Jan 20230076.533.39$0
Dec 2022178076.415.73$13,601
Nov 2022356085.005.65$30,260
Oct 20223572887.185.86$31,287
Sep 20225093384.888.16$43,473
Aug 20221651694.529.13$15,742
Jul 2022070101.587.54$528
Jun 202200115.097.98$0
May 20221650109.378.43$18,046
Apr 2022180109104.226.84$19,505
Mar 2022798850108.885.08$91,201
Feb 202274571891.054.86$71,321
Jan 202236718381.844.54$30,866
Dec 20211,0771,11971.323.90$81,175
Nov 202136037077.435.24$29,812
Oct 202118423679.795.71$16,030
Sep 202117865869.865.35$15,956
Aug 202117463566.024.22$14,168
Jul 202136181170.783.98$28,781
Jun 202117895469.493.38$15,594
May 202117368863.483.02$13,058
Apr 202133562960.362.76$21,956
Mar 202135861161.302.72$23,605
Feb 202118254157.805.55$13,521
Jan 202118358250.412.81$10,861
Dec 202036073844.642.68$18,045
Nov 20201871,03738.772.71$10,057
Oct 202036151136.972.48$14,613
Sep 202018446237.091.99$7,744
Aug 202036297139.982.39$16,789
Jul 202018188538.371.83$8,560
Jun 20201801,12434.901.69$8,182
May 202036396816.921.81$7,899
Apr 20203641,43714.751.80$7,962
Mar 20203691,74530.341.86$14,435
Feb 20203631,02249.881.98$20,131
Jan 20207382,61257.252.09$47,722
Dec 20197103,26859.012.30$49,428
Nov 20199373,24555.302.75$60,742
Oct 20199083,37853.472.42$56,721
Sep 20197192,73255.052.66$46,841
Aug 20191,1084,47553.112.30$69,158
Jul 20191,0684,63356.272.46$71,494
Jun 20197155,28752.782.49$50,909
May 20197363,96258.482.74$53,898
Apr 20199032,89562.632.75$64,518
Mar 20197573,54356.803.06$53,847
Feb 20197411,82150.852.79$42,764
Jan 20197272,04146.033.23$40,053
Dec 20188812,79246.594.19$52,732
Nov 20181,0982,44452.934.24$68,473
Oct 20187132,34661.443.40$51,779
Sep 20183613,60759.543.11$32,705
Aug 20181,0623,43059.403.07$73,601
Jul 20181,0833,07165.142.93$79,550
Jun 20187122,75860.183.08$51,334
May 20187122,66065.382.90$54,267
Apr 20181,0802,95063.842.90$77,505
Mar 20181,2593,15161.222.79$85,857
Feb 20185412,15761.782.77$39,390
Jan 20181,1043,75362.874.01$84,455
Dec 20171,4094,60657.272.92$94,150
Nov 20179084,47555.423.12$64,276
Oct 20178934,29849.292.98$56,840
Sep 20171,0865,24947.523.09$67,812
Aug 20171,0865,69645.373.00$66,385
Jul 20171,4447,10343.873.09$85,277
Jun 20171,6086,39542.493.09$88,067
May 20174034,48345.373.26$32,914
Apr 20171,4454,15147.933.21$82,590
Mar 20171,1263,88546.772.98$64,255
Feb 20171,1503,87250.452.95$69,450
Jan 20171,2713,33849.413.42$74,212
Dec 20165432,61848.763.72$36,223
Nov 20167363,52642.492.64$40,597
Oct 20161,7535,05346.193.09$96,586
Sep 20161,2454,09941.553.10$64,439
Aug 20167042,66841.442.92$36,976
Jul 20161,0733,63741.622.92$55,294
Jun 20161,3875,69945.352.69$78,207
May 20161,4085,67842.521.99$71,173
Apr 20161,0365,74036.561.99$49,305
Mar 20161,9057,82733.011.79$76,926
Feb 20161,5916,60426.472.06$55,742
Jan 20161,7786,78427.352.36$64,668
Dec 20151,2564,58232.362.00$49,815
Nov 20151,3775,99938.792.17$66,416
Oct 20151,9556,25843.552.43$100,326
Sep 20152,1308,59342.992.76$115,272
Aug 20152,4459,75940.162.87$126,224
Jul 20152,99411,55848.152.95$178,200
Jun 20153,05512,47156.152.88$207,490
May 20151,0444,32955.212.96$70,433
Apr 20151,5695,52049.822.71$93,108
Mar 20151,7845,52542.892.93$92,730
Feb 20151,5883,69244.662.98$81,908
Jan 20152,97211,47543.433.10$164,654
Dec 20143,56116,28954.693.59$253,251
Nov 20143,57815,85170.464.25$319,502
Oct 201407,25278.303.90$28,290

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                  178 bbl  × $106.41 =    $18,941
Casinghead gas       789 Mcf  × $  3.05 =     $2,403

────────────────────────────────────────────────────
Month total                                  $21,344

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/46066 is the state's own key, not one this site invented.