MineralRecord
Log inSign up

Castle Rock D-11H

API 4006320764 · Harding County, South Dakota · Buffalo field

ProducingOil
API
4006320764
Operator
Luff Exploration Co.
County
Harding
Field
Buffalo
Location
NWNW Sec 11 Twp 022N Rng 04E
Permit
2051

Production

143 monthly filings with South Dakota, Aug 2014 to Jun 2026. Each product is in its own unit and the four are never added.

Cumulative oil
165,894 bbl
Cumulative gas
171,486 MCF
Cumulative water
737,731 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
Jun 20264255822,90127
May 20265167063,51931
Apr 20265157053,42630
Mar 20265577633,58831
Feb 20265187103,05727
Jan 20262924001,91518
Dec 20253524822,09417
Nov 20255036893,21030
Oct 20255397383,21331
Sep 20255187103,07530
Aug 20255437443,17531
Jul 20255076952,86429
Jun 20254956733,30229
May 20255457423,76731
Apr 20255367293,71130
Mar 20255397343,73131
Feb 20254916693,53628
Jan 20255587593,77331
Dec 20245637663,75131
Nov 20245587593,58730
Oct 20245577593,90531
Sep 20244155652,51722
Aug 20245827923,71731
Jul 20245867983,71431
Jun 20245827923,49728
May 20245921,2343,61726
Apr 20243106461,82617
Mar 20246011,2513,49331
Feb 20245461,1363,25829
Jan 20245791,2053,49731
Dec 20236021,2543,63631
Nov 20236091,2683,56630
Oct 20233631,3263,89131
Sep 20234429212,42221
Aug 20236011,2513,43731
Jul 20236141,2803,33131
Jun 20236071,3323,33630
May 20236141,3463,50931
Apr 20236251,3723,46830
Mar 20236701,4693,77031
Feb 20234841,0622,57622
Jan 20236641,4563,59131
Dec 20226531,4324,16930
Nov 20226341,3904,15330
Oct 20226211,3634,06331
Sep 20225941,3034,09730
Aug 20225588843,65626
Jul 20226901,0924,61631
Jun 20226861,0874,43330
May 20227231,1444,42931
Apr 20226731,0664,09130
Mar 20227511,1884,33431
Feb 20226611,0463,81428
Jan 20227851,2434,29631
Dec 20217291,1554,22231
Nov 20217191,1383,98130
Oct 20217571,1984,46631
Sep 20214987882,81218
Aug 20217571,1984,48231
Jul 20217591,2014,45431
Jun 20217631,2094,30830
May 20217791,2334,38631
Apr 20217991,3114,62630
Mar 20218231,3495,21831
Feb 20215519043,30618
Jan 20218191,3435,21231
Dec 20208441,3845,23331
Nov 20208341,3675,15430
Oct 20208881,4565,41631
Sep 20208551,4025,27629
Aug 20209821,6115,96131
Jul 20201,1591,9006,94731
Jun 20207661,4143,71816
May 20206001
Apr 20201853411,0407
Mar 20208851,6344,98431
Feb 20207751,4314,47125
Jan 20209471,7495,47331
Dec 20199721,7945,62031
Nov 20199761,8025,78630
Oct 20197461,3784,62921
Sep 20198221,5184,84324
Aug 20191,0922,0166,48331
Jul 20191,0922,0156,73831
Jun 20198041,4844,60621
May 2019————
Apr 20194808862,65214
Mar 20191,0201,8835,69531
Feb 20198021,4804,82124
Jan 20191,0691,9736,12631
Dec 20181,0521,9416,13731
Nov 20181,0531,9446,09430
Oct 20181,0972,0266,40531
Sep 20181,1082,0466,32830
Aug 20181,1392,1036,70031
Jul 20181,1652,1517,36030
Jun 20181,1832,1847,70830
May 20181,2112,2367,11529
Apr 20181,3331,5527,60930
Mar 20181,3981,6278,09830
Feb 20181,3941,6228,13928
Jan 20181,6431,912—31
Dec 20171,7021,9819,05531
Nov 20171,7222,0059,09230
Oct 20171,7992,0959,36231
Sep 20171,1741,3676,07923
Aug 20171,7902,0848,58331
Jul 20171,7472,0338,12731
Jun 20171,7081,9887,83630
May 20171,4021,2857,07326
Apr 20171,7091,5677,87829
Mar 20171,8551,7018,54731
Feb 20171,0099254,13617
Jan 20171,9951,8308,77831
Dec 20161,8691,7148,04030
Nov 20161,9661,8028,46030
Oct 20161,5971,4656,70326
Sep 20161,8691,7147,94930
Aug 20162,0741,9018,07331
Jul 20161,8541,7007,14231
Jun 20161,9171,7587,20430
May 20161,8417626,86128
Apr 20161,8267566,58427
Mar 20162,1653967,66531
Feb 20162,0418457,08729
Jan 20162,2539337,60831
Dec 20152,3299647,59631
Nov 20152,2969517,11730
Oct 20152,4461,0137,26931
Sep 20152,4361,0086,97730
Aug 20152,5541,0577,40431
Jul 20152,6911,1147,91031
Jun 20152,5891,0727,54030
May 20152,8733427,82731
Apr 20152,8753427,43130
Mar 20153,0743667,36431
Feb 20152,9983577,06128
Jan 20153,5404217,81731
Dec 20143,7634487,53531
Nov 20144,0094777,40330
Oct 20144,8855817,58531
Sep 20144,6055487,07730
Aug 2014173215,13812

A dash is a period the well filed with no volume for that product.

Formation tops

South Dakota records 10 formations for this well, shallowest first.

FormationTop (ft)Age
Niobrara Formation3,233Cretaceous
Fall River Sandstone4,708Cretaceous
Spearfish Formation6,119Triassic/Permian
Minnelusa Formation6,452Permian/Pennsylvanian
Charles Formation7,001Mississippian
Mission Canyon Limestone7,327Mississippian
Lodgepole Limestone7,782Mississippian
Interlake Dolomite8,546Silurian
Red River Formation9,022Ordovician
Unit B, Red River Formation9,060Ordovician

A dash is a formation South Dakota records for this well without a depth.

Completion

South Dakota files 1 completion report for this well.

Lateral 1 (Northwest)

ProducingOil
Spudded
2014-06-18
Completed
2014-08-20
Measured depth
14,872 ft
True vertical depth
9,103 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation9,353–14,872

Location

45.889895, -103.602169

45.88990, -103.60217 · Surface location as filed with South Dakota

Every well in Harding County, South Dakota

South Dakota state record, from SD_wells_SDOILexport_Export__wells_Table_4_Web.parquet. Corpus built 2026-09-11.