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WINDHAM

Operated by SUMMIT PETROLEUM LLC (P-5 829221) 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 18266District 7CField 85279200OilCasinghead gasSaveExport
Value, all time
$6.7 M
Mar 2013 – May 2026
Value, last 12 filed months
$348 k
at the published price for each month
Months reported
159
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 7,461 leases and 22,481 wells, and the rule below applies to all of them.

Discovered
1904-12-31
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 Commission's schedule remark for this field reads: “AREA) 85279200.”

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
OilDisposition83,308 bbl$5,481,783
Casinghead gasProduction366,708 Mcf$1,250,157
Total$6,731,940

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 31.3017, -102.1236. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.8 miles.

31.30168, -102.12360 · 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
9,964 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 9,517 and 10,410 ft, median 9,964 ft, over the 2 wells that filed a depth.

Completions filed
Mar 2013 – Jan 2015
2 of 2 wells

2 wells

42-46133168110,410 ftJan 2015——
42-461385012029,517 ftMar 2013——

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 (159)

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

159 months

May 20263541,719106.413.05$42,905
Apr 20263521,77598.932.87$39,917
Mar 20263622,38789.753.15$40,007
Feb 20261832,27263.503.75$20,141
Jan 20261872,18159.138.00$28,501
Dec 20253622,43256.664.41$31,244
Nov 20253652,41158.593.93$30,852
Oct 20251652,55859.383.30$18,251
Sep 20253382,05462.743.08$27,526
Aug 20251831,94663.933.01$17,566
Jul 20253182,05366.743.32$28,029
Jun 20252591,97066.483.13$23,382
May 20254662,04460.553.23$34,823
Apr 20253691,84362.363.54$29,541
Mar 20251842,13567.704.27$21,570
Feb 20253581,71570.884.34$32,820
Jan 20253581,76474.324.28$34,154
Dec 20241862,08668.993.12$19,343
Nov 20243692,02269.052.20$29,925
Oct 20243622,19771.372.28$30,848
Sep 20241851,92769.612.36$17,434
Aug 20243492,27475.632.06$31,088
Jul 20243472,21879.932.15$32,497
Jun 20241672,33778.082.63$19,195
May 20243582,29278.812.20$33,253
Apr 20243392,27884.451.66$32,408
Mar 20244452,35980.301.55$39,378
Feb 20243712,21476.091.78$32,178
Jan 20241732,25173.023.30$20,055
Dec 20231812,23671.262.61$18,736
Nov 20233652,04477.892.81$34,169
Oct 20233572,20085.443.09$37,294
Sep 20231842,27189.042.74$22,595
Aug 20233602,37680.522.67$35,338
Jul 20233582,42274.852.64$33,195
Jun 20233602,41968.962.26$30,289
May 20231812,24570.622.23$17,783
Apr 20233542,34578.122.24$32,902
Mar 20233632,43472.852.39$32,270
Feb 20233862,23675.112.47$34,506
Jan 20233602,61476.533.39$36,406
Dec 20223632,36976.415.73$41,309
Nov 20223612,53885.005.65$45,015
Oct 20223632,44187.185.86$45,960
Sep 20223592,63584.888.16$51,983
Aug 20223562,60794.529.13$57,444
Jul 20223482,640101.587.54$55,261
Jun 20224402,332115.097.98$69,242
May 20221792,626109.378.43$41,722
Apr 20225342,569104.226.84$73,219
Mar 20223612,487108.885.08$51,931
Feb 20223602,34491.054.86$44,167
Jan 20223652,49781.844.54$41,202
Dec 20213622,69071.323.90$36,306
Nov 202102,44377.435.24$12,794
Oct 20215392,61979.795.71$57,971
Sep 20213602,84669.865.35$40,378
Aug 20213562,38266.024.22$33,557
Jul 20215432,94570.783.98$50,161
Jun 20213482,12469.493.38$31,363
May 20215392,66363.483.02$42,252
Apr 20215422,60760.362.76$39,906
Mar 20215432,87061.302.72$41,084
Feb 20211822,05257.805.55$21,904
Jan 20217042,44550.412.81$42,360
Dec 20203622,59744.642.68$23,108
Nov 20205432,55938.772.71$27,978
Oct 20201822,47836.972.48$12,870
Sep 20203612,31237.091.99$17,993
Aug 20207172,57139.982.39$34,798
Jul 20201772,24838.371.83$10,894
Jun 20207112,20634.901.69$28,543
May 202001,38016.921.81$2,504
Apr 20205451,45314.751.80$10,661
Mar 20205372,16430.341.86$20,309
Feb 20205412,05249.881.98$31,049
Jan 20203512,12757.252.09$24,550
Dec 20197162,32159.012.30$47,600
Nov 20193622,29455.302.75$26,329
Oct 20196922,41753.472.42$42,847
Sep 20193492,37455.052.66$25,521
Aug 20193562,52553.112.30$24,726
Jul 20195271,31856.272.46$32,897
Jun 20191831,27152.782.49$12,825
May 201954432158.482.74$32,693
Apr 20197211,91062.632.75$50,410
Mar 20195672,79856.803.06$40,773
Feb 20193622,11850.852.79$24,322
Jan 20197452,46046.033.23$42,234
Dec 20183712,46946.594.19$27,619
Nov 20187342,45752.934.24$49,262
Oct 20183572,49561.443.40$30,412
Sep 20189082,26459.543.11$61,099
Aug 20183622,09259.403.07$27,918
Jul 20183511,80965.142.93$28,168
Jun 20183482,23460.183.08$27,816
May 20185792,49365.382.90$45,087
Apr 20187272,46363.842.90$53,556
Mar 20188712,71561.222.79$60,889
Feb 20183472,21261.782.77$27,556
Jan 20183632,44262.874.01$32,613
Dec 20173672,61657.272.92$28,661
Nov 20177312,53055.423.12$48,401
Oct 20176852,73749.292.98$41,930
Sep 20177082,59147.523.09$41,643
Aug 20173542,70845.373.00$24,197
Jul 20173492,77243.873.09$23,869
Jun 20177032,60642.493.09$37,916
May 20176972,76245.373.26$40,636
Apr 20176992,66347.933.21$42,056
Mar 20173442,75546.772.98$24,309
Feb 20177092,62450.452.95$43,517
Jan 20177162,54849.413.42$44,089
Dec 20167122,36048.763.72$43,503
Nov 20163512,71242.492.64$22,085
Oct 20166932,71146.193.09$40,387
Sep 20167022,85641.553.10$38,024
Aug 20166952,91441.442.92$37,322
Jul 20166822,93841.622.92$36,977
Jun 20166892,72245.352.69$38,557
May 20167052,49742.521.99$34,948
Apr 20163482,85636.561.99$18,409
Mar 20167012,95533.011.79$28,441
Feb 20161,2252,74926.472.06$38,099
Jan 20167062,65927.352.36$25,596
Dec 20157072,85432.362.00$28,591
Nov 20156842,98038.792.17$32,991
Oct 20156963,20043.552.43$38,076
Sep 20156953,09342.992.76$38,410
Aug 20158583,29540.162.87$43,922
Jul 20158573,36248.152.95$51,166
Jun 20153453,20456.152.88$28,608
May 20156873,33655.212.96$47,789
Apr 20151,0363,17949.822.71$60,218
Mar 20151,0073,32642.892.93$52,951
Feb 20155042,75444.662.98$30,705
Jan 20158812,46143.433.10$45,892
Dec 20145052,18654.693.59$35,469
Nov 20145022,25170.464.25$44,942
Oct 20145422,48578.303.90$52,132
Sep 20146722,10886.164.05$66,427
Aug 20144222,37989.394.04$47,322
Jul 20149892,86896.564.18$107,485
Jun 20147001,92098.164.74$77,807
May 20146182,80694.734.73$71,806
Apr 20141,0542,77995.944.81$114,485
Mar 20141,2362,64995.895.06$131,916
Feb 20141,2252,73797.406.19$136,263
Jan 201413759090.404.86$15,253
Dec 20133221,77691.824.35$37,300
Nov 20138112,53488.853.74$81,530
Oct 20131,6422,20297.423.78$168,286
Sep 20131,4081,751104.113.72$153,097
Aug 2013056104.253.52$197
Jul 20131,3900102.523.72$142,503
Jun 20132,446094.403.93$230,902
May 20132,960094.834.15$280,697
Apr 20130093.964.28$0
Mar 20130093.623.91$0

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                  354 bbl  × $106.41 =    $37,669
Casinghead gas     1,719 Mcf  × $  3.05 =     $5,236

────────────────────────────────────────────────────
Month total                                  $42,905

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. 7C/O/18266 is the state's own key, not one this site invented.