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CALVERLEY

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 43318District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$17.3 M
Jun 2012 – May 2026
Value, last 12 filed months
$245 k
at the published price for each month
Months reported
168
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
OilDisposition225,865 bbl$15,080,780
Casinghead gasProduction670,530 Mcf$2,239,317
Total$17,320,097

Wells on this lease (6)

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 31.8035, -101.6570. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.8 miles.

31.80383, -101.65761 · 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
50.0%
3 of 6 wells
With a plug date
50.0%
3 of 6 wells
Median depth
10,853 ft
6 wells filed one
Completion to plug
8.8 years
median over 3 wells

What the state filed about each well

On the RRC proration schedule
350.0%
A plug date is filed
350.0%
BothOn the schedule and plugged. Neither fact cancels the other.
350.0%
NeitherNo plug date, and not on the schedule.
350.0%

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 10,626 and 11,500 ft, median 10,853 ft, over the 6 wells that filed a depth.

Completions filed
Jul 2012 – Nov 2023
6 of 6 wells
Plug dates filed
May 2021 – Nov 2025
3 of 6 wells; 3 filed none

Last completion to plug: a median of 8.8 years across the 3 wells that filed both dates, with the middle half between 5.4 years and 10.4 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

6 wells

42-17334798310,808 ftNov 2023Nov 2025Yes
42-17334817811,000 ftMay 2014——
42-17334801610,895 ftMar 2014——
42-17335871110,626 ftJul 2013——
42-17334800511,500 ftJan 2013Jan 2025Yes
42-17334797210,810 ftJul 2012May 2021Yes

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 (168)

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

168 months

May 2026355728106.413.05$39,993
Apr 20261791,17698.932.87$21,083
Mar 202618194589.753.15$19,221
Feb 202618255963.503.75$13,653
Jan 202618965859.138.00$16,438
Dec 2025047956.664.41$2,114
Nov 202536781358.593.93$24,695
Oct 20251687259.383.30$3,832
Sep 20255401,38162.743.08$38,129
Aug 202511,13363.933.01$3,480
Jul 20252931,17766.743.32$23,457
Jun 20255201,50866.483.13$39,288
May 20253431,06260.553.23$24,201
Apr 202553899262.363.54$37,064
Mar 20255351,38367.704.27$42,123
Feb 20251801,27170.884.34$18,276
Jan 20253431,17474.324.28$30,515
Dec 20245811,34968.993.12$44,294
Nov 20243581,29969.052.20$27,576
Oct 20243551,26371.372.28$28,218
Sep 20243631,08669.612.36$27,836
Aug 20243351,05275.632.06$27,507
Jul 20243501,15179.932.15$30,446
Jun 20245451,55878.082.63$46,657
May 20245391,83878.812.20$46,519
Apr 20245551,12784.451.66$48,740
Mar 20245451,10380.301.55$45,468
Feb 202434874976.091.78$27,815
Jan 202449581173.023.30$38,819
Dec 202335684171.262.61$27,564
Nov 202317338877.892.81$14,564
Oct 2023089785.443.09$2,769
Sep 20231761,05489.042.74$18,554
Aug 202317890380.522.67$16,746
Jul 20233611,79874.852.64$31,771
Jun 20235212,08768.962.26$40,642
May 20235351,78570.622.23$41,758
Apr 20235481,82978.122.24$46,903
Mar 20233671,61772.852.39$30,606
Feb 20235511,21875.112.47$44,389
Jan 20233631,31676.533.39$32,239
Dec 20223541,28876.415.73$34,428
Nov 20222921,31285.005.65$32,228
Oct 20222861,24387.185.86$32,222
Sep 202242320584.888.16$37,578
Aug 20224431,00094.529.13$51,000
Jul 20226571,085101.587.54$74,921
Jun 2022413726115.097.98$53,324
May 2022458808109.378.43$56,905
Apr 2022150719104.226.84$20,549
Mar 2022315658108.885.08$37,637
Feb 20224971,03691.054.86$50,286
Jan 20225081,21581.844.54$47,088
Dec 20214741,60971.323.90$40,079
Nov 20213061,39577.435.24$30,999
Oct 20214671,28279.795.71$44,587
Sep 20214661,77569.865.35$42,053
Aug 20215021,95866.024.22$41,406
Jul 20214682,12170.783.98$41,571
Jun 20216301,38869.493.38$48,471
May 20212592,41963.483.02$23,741
Apr 20213442,33760.362.76$27,210
Mar 20216402,56661.302.72$46,204
Feb 20215101,72357.805.55$39,037
Jan 20212972,70450.412.81$22,571
Dec 20204782,87944.642.68$29,041
Nov 20205092,68138.772.71$26,990
Oct 20203292,52436.972.48$18,419
Sep 20202402,11137.091.99$13,105
Aug 20206522,84939.982.39$32,862
Jul 20205303,07638.371.83$25,950
Jun 20206732,52834.901.69$27,761
May 20205592,72616.921.81$14,405
Apr 20209252,64814.751.80$18,422
Mar 20208452,73930.341.86$30,722
Feb 20208922,43349.881.98$49,312
Jan 20208352,54757.252.09$53,139
Dec 20196511,56759.012.30$42,026
Nov 20195101,37455.302.75$31,982
Oct 20197742,67653.472.42$47,858
Sep 20197583,36055.052.66$50,656
Aug 20191,2193,69653.112.30$73,258
Jul 20191,0503,80756.272.46$68,449
Jun 20199962,79052.782.49$59,519
May 20199212,08758.482.74$59,579
Apr 20193541,48462.632.75$26,253
Mar 20191,0373,70556.803.06$70,247
Feb 20198412,63650.852.79$50,125
Jan 20191,3163,17246.033.23$70,815
Dec 20181,3492,49246.594.19$73,280
Nov 20181,1871,60652.934.24$69,633
Oct 20183462,34961.443.40$29,240
Sep 20181,2593,70159.543.11$86,464
Aug 20181,1463,71859.403.07$79,474
Jul 20181,2863,38265.142.93$93,686
Jun 20189773,59060.183.08$69,842
May 20181,5883,49865.382.90$113,970
Apr 20187003,24263.842.90$54,092
Mar 20181,5162,82061.222.79$100,668
Feb 20181,0153,30161.782.77$71,838
Jan 20181,6373,66862.874.01$117,624
Dec 20171,1883,99557.272.92$79,708
Nov 20171,8234,47655.423.12$114,988
Oct 20171,5025,21949.292.98$89,605
Sep 20171,9394,53447.523.09$106,139
Aug 20171,5785,49945.373.00$88,115
Jul 20172,2585,49243.873.09$116,014
Jun 20171,1982,99842.493.09$60,159
May 20171,7273,90345.373.26$91,091
Apr 20171,9874,20247.933.21$108,732
Mar 20172,8094,18046.772.98$143,849
Feb 20171,2792,78250.452.95$72,740
Jan 20172,2974,83149.413.42$130,011
Dec 20162,5685,71748.763.72$146,499
Nov 20163,1255,38542.492.64$147,021
Oct 20163,4998,68246.193.09$188,448
Sep 20163,9716,48841.553.10$185,112
Aug 20163,7614,83841.442.92$170,004
Jul 20162,3496,23741.622.92$116,004
Jun 20161,8584,06745.352.69$95,184
May 20168733,07742.521.99$43,246
Apr 20161,8275,34936.561.99$77,445
Mar 20162,3166,17633.011.79$87,531
Feb 20162,3144,15426.472.06$69,824
Jan 20161,2584,49427.352.36$45,032
Dec 20151,8566,50232.362.00$73,073
Nov 20152,4978,90338.792.17$116,154
Oct 20153,03010,34543.552.43$157,059
Sep 20152,3579,05142.992.76$126,294
Aug 20151,8966,73540.162.87$95,490
Jul 20152,2717,71948.152.95$132,082
Jun 20152,4069,37256.152.88$162,115
May 20152,6028,35855.212.96$168,358
Apr 20152,5988,23749.822.71$151,726
Mar 20153,3979,59142.892.93$173,844
Feb 20152,7808,78044.662.98$150,286
Jan 20153,4409,96643.433.10$180,300
Dec 20143,62311,56154.693.59$239,662
Nov 20142,99910,43970.464.25$255,695
Oct 20143,73613,79078.303.90$346,323
Sep 20143,32814,23386.164.05$344,319
Aug 20144,82417,20589.394.04$500,642
Jul 20144,50715,97296.564.18$501,952
Jun 20145,74516,18898.164.74$640,610
May 20143,3938,55994.734.73$361,874
Apr 20142,4707,22295.944.81$271,703
Mar 20142,4358,60095.895.06$276,981
Feb 20141,0642,23797.406.19$117,485
Jan 20141,7163,85490.404.86$173,860
Dec 20131,7764,24291.824.35$181,544
Nov 20132,1522,69388.853.74$201,272
Oct 20132,1267,46997.423.78$235,343
Sep 20133,0227,974104.113.72$344,266
Aug 20132,5377,477104.253.52$290,821
Jul 20133,40110,041102.523.72$386,000
Jun 20132,8597,07494.403.93$297,715
May 20132,5856,18294.834.15$270,785
Apr 20132,5167,39793.964.28$268,082
Mar 20133,2538,05893.623.91$336,076
Feb 20132,1447,60791.233.42$221,612
Jan 20133,61910,71591.603.42$368,145
Dec 20121,4014,79786.773.42$137,971
Nov 20121,9977,11986.953.62$199,445
Oct 20122,6807,36089.383.40$264,560
Sep 20122,4928,96594.672.92$262,081
Aug 20122,2939,88192.662.91$241,205
Jul 20124,06611,82185.133.02$381,847
Jun 2012353079.822.52$28,176

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                  355 bbl  × $106.41 =    $37,776
Casinghead gas       728 Mcf  × $  3.05 =     $2,217

────────────────────────────────────────────────────
Month total                                  $39,993

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/43318 is the state's own key, not one this site invented.