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STILES 1

Operated by FORMENTERA OPERATIONS LLC (P-5 276959) in the MILLS RANCH (GRANITE WASH CONS.) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 8755District 10Field 61691235OilCasinghead gasSaveExport
Value, all time
$86.0 M
Aug 2012 – May 2026
Value, last 12 filed months
$568 k
at the published price for each month
Months reported
166
no gaps in the span
Streams
2
oil, casinghead gas

The MILLS RANCH (GRANITE WASH CONS.) 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 274 leases and 400 wells, and the rule below applies to all of them.

Discovered
2010-02-23
as the register files it
Field class
Oil and gas
the register's own label
Between wells
0 ft
minimum
From a lease line
467 ft
minimum

A drilling unit in this field needs at least 20 acres. The field rule took effect on 2013-07-09.

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
OilDisposition841,631 bbl$70,628,206
Casinghead gasProduction4,565,359 Mcf$15,366,835
Total$85,995,041

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 35.4390, -100.0864. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.9 miles.

35.43744, -100.08586 · 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
16.7%
1 of 6 wells
With a plug date
16.7%
1 of 6 wells
Median depth
10,595 ft
6 wells filed one
Completion to plug
21 months
median over 1 well

What the state filed about each well

On the RRC proration schedule
116.7%
A plug date is filed
116.7%
BothOn the schedule and plugged. Neither fact cancels the other.
116.7%
NeitherNo plug date, and not on the schedule.
583.3%

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 295 and 11,345 ft, median 10,595 ft, over the 6 wells that filed a depth.

Completions filed
Aug 2012 – Mar 2013
6 of 6 wells
Plug dates filed
Jun 2014
1 of 6 wells; 5 filed none

Last completion to plug: a median of 21 months across the 1 well that filed both dates, with the middle half between 21 months and 21 months. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

6 wells

42-483336151801H10,619 ftMar 2013——
42-483336201601H11,345 ftMar 2013——
42-483335601401H10,571 ftDec 2012——
42-483335041301H10,683 ftOct 2012——
42-483335611501H295 ftSep 2012Jun 2014Yes
42-483334841201H10,570 ftAug 2012——

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 (166)

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

166 months

May 20262408,296106.413.05$50,807
Apr 20263319,09298.932.87$58,837
Mar 20262147,72389.753.15$43,530
Feb 20262876,24963.503.75$41,660
Jan 20261917,29759.138.00$69,655
Dec 20253517,58756.664.41$53,372
Nov 20252007,54558.593.93$41,343
Oct 20253067,89659.383.30$44,265
Sep 20252048,20562.743.08$38,045
Aug 20252768,89763.933.01$44,467
Jul 20252747,26566.743.32$42,372
Jun 20252457,46666.483.13$39,647
May 20252957,83460.553.23$43,184
Apr 20252768,18962.363.54$46,226
Mar 20253039,63967.704.27$61,655
Feb 20252788,06070.884.34$54,692
Jan 20253508,75874.324.28$63,485
Dec 20242368,99768.993.12$44,365
Nov 20242739,33369.052.20$39,369
Oct 20243049,16371.372.28$42,601
Sep 20242949,73069.612.36$43,471
Aug 20241806,73075.632.06$27,502
Jul 20242599,53379.932.15$41,165
Jun 20242789,13478.082.63$45,765
May 20242679,61778.812.20$42,185
Apr 20242828,74084.451.66$38,316
Mar 20242309,34080.301.55$32,901
Feb 20242549,38076.091.78$36,057
Jan 20242817,87173.023.30$46,475
Dec 20233089,69771.262.61$47,264
Nov 202336810,73377.892.81$58,797
Oct 202327013,34685.443.09$64,272
Sep 202323112,15889.042.74$53,821
Aug 202326812,21180.522.67$54,218
Jul 202320712,74874.852.64$49,172
Jun 202347612,66968.962.26$61,438
May 202326513,55770.622.23$48,911
Apr 202327312,97478.122.24$50,359
Mar 202334913,47072.852.39$57,661
Feb 202333711,63175.112.47$53,990
Jan 202332313,72476.533.39$71,212
Dec 202243812,11476.415.73$102,870
Nov 202228911,38685.005.65$88,853
Oct 202236811,43687.185.86$99,140
Sep 202238012,95084.888.16$137,974
Aug 202245914,32694.529.13$174,140
Jul 202244714,604101.587.54$155,551
Jun 202246214,397115.097.98$168,019
May 202241313,299109.378.43$157,321
Apr 202252813,689104.226.84$148,628
Mar 202259112,141108.885.08$125,981
Feb 202229412,02591.054.86$85,196
Jan 202242213,64081.844.54$96,430
Dec 202149215,10271.323.90$93,974
Nov 202144114,49477.435.24$110,050
Oct 202142514,95379.795.71$119,350
Sep 202141814,69769.865.35$107,844
Aug 202146515,78266.024.22$97,309
Jul 202140515,99770.783.98$92,367
Jun 202140615,78669.493.38$81,579
May 202147116,26663.483.02$78,985
Apr 202155117,25360.362.76$80,849
Mar 202171118,15561.302.72$92,910
Feb 202119510,04357.805.55$66,989
Jan 202142117,03750.412.81$69,101
Dec 202089718,29744.642.68$88,995
Nov 202082018,48238.772.71$81,814
Oct 202092819,70436.972.48$83,143
Sep 202085719,28937.091.99$70,191
Aug 202052419,83339.982.39$68,253
Jul 202049019,11638.371.83$53,690
Jun 202071821,24734.901.69$60,972
May 202037420,89816.921.81$44,253
Apr 202081022,26414.751.80$52,120
Mar 202041321,82230.341.86$53,037
Feb 202080020,89049.881.98$81,280
Jan 202075623,64857.252.09$92,817
Dec 20191,01722,44059.012.30$111,723
Nov 201982723,77755.302.75$111,136
Oct 201982823,79053.472.42$101,810
Sep 201997521,09855.052.66$109,737
Aug 201964520,17853.112.30$80,753
Jul 201994222,78656.272.46$109,061
Jun 201953620,68152.782.49$79,811
May 201959822,74858.482.74$97,308
Apr 201959121,36862.632.75$95,791
Mar 20191,06521,55356.803.06$126,489
Feb 201997721,96750.852.79$111,017
Jan 201981723,35246.033.23$112,991
Dec 20181,06322,25946.594.19$142,689
Nov 20181,10521,72052.934.24$150,521
Oct 20181,40827,48661.443.40$179,907
Sep 20181,97926,84759.543.11$201,270
Aug 201888629,62059.403.07$143,460
Jul 201881225,91965.142.93$128,885
Jun 20181,02124,77460.183.08$137,671
May 20181,06128,42665.382.90$151,826
Apr 20181,20926,91663.842.90$155,260
Mar 201899729,77361.222.79$144,009
Feb 201867823,37661.782.77$106,548
Jan 201873320,40062.874.01$127,874
Dec 20171,42214,87357.272.92$124,890
Nov 20171,00118,54155.423.12$113,293
Oct 20171,19422,03049.292.98$124,583
Sep 20171,34621,07247.523.09$129,017
Aug 20171,76529,47845.373.00$168,642
Jul 20171,84932,48243.873.09$181,397
Jun 20172,41430,62542.493.09$197,119
May 20172,83930,98745.373.26$229,928
Apr 20172,21137,71047.933.21$227,083
Mar 20172,18753,74046.772.98$262,629
Feb 20172,97834,00750.452.95$250,649
Jan 20172,95839,23649.413.42$280,295
Dec 20162,61035,89248.763.72$260,883
Nov 20162,98541,11042.492.64$235,542
Oct 20162,24945,58546.193.09$244,751
Sep 20162,43446,49741.553.10$245,303
Aug 20163,13145,82441.442.92$263,754
Jul 20162,41446,83641.622.92$237,435
Jun 20162,29944,58545.352.69$224,007
May 20162,82544,39142.521.99$208,503
Apr 20162,68043,56836.561.99$184,726
Mar 20163,05142,88433.011.79$177,648
Feb 20163,34644,08126.472.06$179,535
Jan 20164,38041,97427.352.36$219,035
Dec 20154,00448,89932.362.00$227,436
Nov 20154,49148,75138.792.17$279,865
Oct 20153,95854,10743.552.43$303,666
Sep 20154,55754,81242.992.76$347,100
Aug 20154,92755,37940.162.87$356,944
Jul 20155,31056,54648.152.95$422,209
Jun 20155,69459,94056.152.88$492,517
May 20157,80565,87355.212.96$625,598
Apr 20155,79035,75449.822.71$385,229
Mar 20154,63737,52642.892.93$309,009
Feb 20155,35431,57744.662.98$333,089
Jan 20156,96634,63143.433.10$409,911
Dec 20147,48836,21454.693.59$539,576
Nov 20146,31336,40370.464.25$599,594
Oct 20146,98537,07778.303.90$691,561
Sep 20146,60538,65786.164.05$725,471
Aug 20148,80643,38689.394.04$962,236
Jul 20148,98044,85896.564.18$1,054,597
Jun 20148,04144,66698.164.74$1,000,882
May 20147,63642,30394.734.73$923,306
Apr 201410,34120,30095.944.81$1,089,741
Mar 201413,52152,63695.895.06$1,562,698
Feb 201410,26441,69597.406.19$1,257,889
Jan 201413,83651,78490.404.86$1,502,482
Dec 201312,07640,09291.824.35$1,283,398
Nov 201314,92552,97188.853.74$1,524,107
Oct 201319,90165,32397.423.78$2,185,635
Sep 201320,56869,117104.113.72$2,398,294
Aug 201324,31287,412104.253.52$2,842,444
Jul 201330,33396,407102.523.72$3,468,155
Jun 201332,21394,73294.403.93$3,413,527
May 201340,833102,56494.834.15$4,297,740
Apr 201343,28782,90193.964.28$4,422,278
Mar 201333,65749,23293.623.91$3,343,607
Feb 201337,81549,13991.233.42$3,617,913
Jan 201349,54254,28691.603.42$4,723,700
Dec 201237,99740,03086.773.42$3,433,909
Nov 201225,53228,06486.953.62$2,321,738
Oct 201238,23440,22489.383.40$3,554,104
Sep 201249,81952,89594.672.92$4,870,734
Aug 201246,62745,38892.662.91$4,452,453

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                  240 bbl  × $106.41 =    $25,538
Casinghead gas     8,296 Mcf  × $  3.05 =    $25,268

────────────────────────────────────────────────────
Month total                                  $50,807

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. 10/O/8755 is the state's own key, not one this site invented.