Koch 12-21 BRRU

API 4006320270 · Harding County, South Dakota · Buffalo field

Shut InOil
API
4006320270
Operator
Continental Resources Inc.
County
Harding
Field
Buffalo
Permit
1038

Production

543 monthly filings with South Dakota, Apr 1981 to Jun 2026. Each product is in its own unit and the four are never added.

Cumulative oil
293,071 bbl
Cumulative gas
2,555,676 MCF
Cumulative water
291,417 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
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Jun 201670736
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Mar 2008————
Feb 20081343,70419422
Jan 2008957,69731129
Dec 20071347,62442631
Nov 20071358,43536830
Oct 20071698,63543031
Sep 20072698,07050430
Aug 20072498,39541031
Jul 20071958,04443930
Jun 20072077,98645930
May 20072518,52587231
Apr 20072218,25052330
Mar 20071925,64435222
Feb 20072225,61229223
Jan 20073357,99840631
Dec 200647010,54062231
Nov 20064069,08041416
Oct 2006————
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May 2006————
Apr 2006————
Mar 2006————
Feb 200643213,19366823
Jan 200658317,79494131
Dec 200548416,35077330
Nov 200548016,35086130
Oct 200543315,42459031
Sep 200542614,04062630
Aug 200527213,85127527
Jul 200543123,46757431
Jun 200542122,71048230
May 200553119,71670931
Apr 200553319,08076930
Mar 200532317,38553431
Feb 200529615,65248928
Jan 200530516,95748131
Dec 200431916,95745831
Nov 200431316,5903030
Oct 200438515,50149231
Sep 200437415,02555330
Aug 200437517,30857831
Jul 200443017,29451131
Jun 200441215,55751030
May 200447617,20359331
Apr 200442817,43045930
Mar 200444217,3005,08931
Feb 200438715,97857329
Jan 200444216,79564631
Dec 200345418,82065731
Nov 200350018,27968530
Oct 200346618,47063931
Sep 200341218,29554030
Aug 200350718,89465731
Jul 200344118,80463931
Jun 200346118,20965030
May 200355618,44172931
Apr 200354019,08477830
Mar 200368619,49788231
Feb 200351017,18880828
Jan 200356919,30483931
Dec 200254318,31070031
Nov 200256419,56475930
Oct 200260319,84078131
Sep 200260720,04082530
Aug 200260220,71285731
Jul 200255120,64680931
Jun 200257320,07077430
May 200265720,33678431
Apr 200262319,38096030
Mar 200262618,9111,00531
Feb 200256816,94188428
Jan 200262418,72485031
Dec 200161618,61684931
Nov 200162717,73083330
Oct 200158717,78983131
Sep 200155417,4591,07230
Aug 200166918,00368931
Jul 200163219,33767231
Jun 200159217,63280529
May 200162618,97278531
Apr 200166417,94084630
Mar 200173118,53893031
Feb 200169316,0161,00828
Jan 200171218,5771,43031
Dec 200073718,6001,13030
Nov 200081818,19596830
Oct 200082719,18997031
Sep 200078717,96783030
Aug 200083220,3361,04831
Jul 200086820,4921,09031
Jun 200072816,13493430
May 200078516,70982731
Apr 200085216,86075030
Mar 200079718,41482531
Feb 200074516,7441,02328
Jan 200082318,5381,02331
Dec 199986713,48594731
Nov 199989211,49087030
Oct 199983912,8031,03131
Sep 199976115,78082830
Aug 199982613,29976331
Jul 199982513,3921,00031
Jun 199980314,91085730
May 199984113,33090831
Apr 199985219,26094130
Mar 199959213,04157221
Feb 199972117,38881928
Jan 199976613,92061429
Dec 199883114,88044231
Nov 199878114,40047930
Oct 199878214,88022931
Sep 199862812,00043625
Aug 199879814,88070531
Jul 199895114,8801,11731
Jun 199889023,58098430
May 199889823,9731,14531
Apr 199892723,5801,01730
Mar 19981,01824,3661,10431
Feb 199886521,22292127
Jan 199890814,8181,02030
Dec 19971,02314,3401,08630
Nov 199789814,3401,04930
Oct 19971,07614,8181,28431
Sep 19971,04912,0601,23030
Aug 19971,01512,4621,03531
Jul 199797412,06075430
Jun 199792211,43089230
May 199796711,8111,08831
Apr 199793611,43096530
Mar 19971,17210,7881,23231
Feb 19979969,04893426
Jan 19971,11510,7881,22531
Dec 199694310,7881,06331
Nov 199685610,4401,00530
Oct 19961,11810,7881,23231
Sep 19968889,39673327
Aug 199697410,7881,12631
Jul 19961,21510,0441,01831
Jun 19969519,7201,03530
May 19961,02410,0441,18431
Apr 19969529,1531,05128
Mar 19961,12910,0441,25231
Feb 19961,1709,3961,18329
Jan 19969756,2001,04031
Dec 19951,0346,20082731
Nov 19951,0386,8971,23030
Oct 19958416,70288426
Sep 19951,3798,5521,35030
Aug 19951,3138,1401,39531
Jul 19951,2337,6441,35030
Jun 19951,1385,5171,14030
May 19951,3855,5701,45029
Apr 19951,3545,4421,40030
Mar 19951,0255,7221,01529
Feb 19951,0575,7311,06428
Jan 19951,1966,4851,17831
Dec 19941,2976,8331,24031
Nov 19941,3186,2751,23030
Oct 19941,1846,8921,20931
Sep 19941,1905,2511,23030
Aug 19941,2514,2011,20931
Jul 19941,2644,1381,24031
Jun 19941,2023,9351,20030
May 19941,2003,8341,27131
Apr 19941,0983,5971,17030
Mar 19941,2102,8931,27131
Feb 19941,0722,5611,12028
Jan 19941,2282,8641,27131
Dec 19931,2202,7811,30231
Nov 19931,1862,7681,26030
Oct 19931,3032,6961,33331
Sep 19931,2682,6231,29030
Aug 19931,2922,6731,33331
Jul 19931,3422,8371,33331
Jun 19931,2472,6961,35030
May 19931,4212,6421,51931
Apr 19931,4212,4951,47030
Mar 19931,2642,6511,27131
Feb 19931,0842,2751,10727
Jan 19931,1962,7211,20931
Dec 19921,1412,6631,20931
Nov 19921,3712,4951,47030
Oct 19921,1482,7561,24031
Sep 19921,0502,6551,08030
Aug 19921,0802,7291,11631
Jul 19928903,40789930
Jun 19928393,21187030
May 19921,0413,4811,08531
Apr 19929993,3391,05030
Mar 19929663,2501,02331
Feb 19921,0482,8411,10229
Jan 19921,2972,7421,36431
Dec 19911,3432,8391,36431
Nov 19911,2203,2241,26030
Oct 19919753,49196131
Sep 19919153,2771,01330
Aug 19911,3443,2441,30631
Jul 19911,4722,7671,57931
Jun 19911,0502,85099030
May 19911,0312,79993931
Apr 19911,1683,35597130
Mar 19911,1112,8201,21031
Feb 19911,2812,9321,29028
Jan 19911,1973,0221,11731
Dec 19901,3233,1761,62529
Nov 19901,1683,2601,19330
Oct 19908823,0881,03331
Sep 19901,3452,7381,28630
Aug 19901,4653,0641,49931
Jul 19907472,12195127
Jun 19909462,18965430
May 19901,0462,42191131
Apr 19907502,00164630
Mar 19907352,12079631
Feb 19906551,88868628
Jan 19908272,42762431
Dec 19898392,40273031
Nov 19898082,31375230
Oct 19897622,18082330
Sep 19899492,16594330
Aug 19899382,14093831
Jul 19899012,73388031
Jun 19898952,59896430
May 19899042,74296931
Apr 19898082,55989629
Mar 19899313,9861,05431
Feb 19898133,6451,02128
Jan 19898354,29094331
Dec 19889023,8991,04531
Nov 19889454,09598630
Oct 19889863,97376631
Sep 19889043,7011,12930
Aug 19889474,04796031
Jul 19889553,5391,05430
Jun 19888473,33590128
May 19888803,46986230
Apr 19881,0073,39596230
Mar 19881,1643,35774930
Feb 19881,1583,33364927
Jan 19881,1833,40570431
Dec 19871,2333,54979731
Nov 19871,2063,47181430
Oct 19871,3413,68093531
Sep 19871,3223,54690130
Aug 19871,1073,51585730
Jul 19871,2273,92088331
Jun 19871,0464,0091,03030
May 19871,0564,0381,06331
Apr 19871,1184,1781,19930
Mar 19871,0963,9581,02831
Feb 19879813,64398428
Jan 19871,1124,22693531
Dec 19861,1373,9471,41131
Nov 19861,1194,2591,02130
Oct 19861,5665121,07231
Sep 19861,5465061,09530
Aug 19861,8367401,35531
Jul 19861,8564421,35530
Jun 19861,16251080830
May 19861,6134101,62525
Apr 19861,62714,5311,11030
Mar 19861,74115,5491,11731
Feb 19861,6878161,21928
Jan 19861,8111,1771,33931
Dec 19851,38083464631
Nov 19851,0781,32171528
Oct 19851,73023543531
Sep 19851,34268691830
Aug 19851,79981085731
Jul 19851,4981,0951,09030
Jun 19851,5092,0021,06230
May 19851,4731,25493131
Apr 19851,6006771,21130
Mar 19851,6524991,05030
Feb 19851,23136077525
Jan 19851,3433931,36431
Dec 19841,43950289931
Nov 19841,47952699030
Oct 19841,54041796030
Sep 19841,2593601,26030
Aug 19841,49347696131
Jul 19841,42701,08531
Jun 19841,471093830
May 19841,58220293031
Apr 19841,38317694829
Mar 19841,6562031,00131
Feb 19841,54614380329
Jan 19841,54724892431
Dec 19831,6943841,03531
Nov 19831,4059885130
Oct 19831,67901,07031
Sep 19831,1783459630
Aug 19831,0893266531
Jul 1983939047731
Jun 198384521150030
May 198390322456331
Apr 1983924044930
Mar 1983828047028
Feb 1983844043928
Jan 1983807050331
Dec 1982745065131
Nov 1982784063030
Oct 1982845065131
Sep 1982792063030
Aug 1982717055830
Jul 1982556083731
Jun 1982622060030
May 1982786058931
Apr 1982814057030
Mar 1982756066030
Feb 1982601061628
Jan 1982834071331
Dec 1981834071331
Nov 1981903093030
Oct 1981839096131
Sep 1981724093030
Aug 198160401,42631
Jul 1981775099231
Jun 198186101,10229
May 19811,02601,30231
Apr 19812,468075628

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

Formation tops

South Dakota records 1 formation for this well, shallowest first.

FormationTop (ft)Age
Red River Formation8,564Ordovician

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

Completion

South Dakota files 1 completion report for this well.

Vertical Well

Shut InOil
Spudded
1980-12-11
Completed
1981-01-19
Measured depth
8,640 ft
True vertical depth
8,640 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation8,602–8,618

Location

45.771209, -103.639885

45.77121, -103.63989 · 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.