Koch 12-12 Seppala SBRRU

API 4006320130 · Harding County, South Dakota · Buffalo field

InjectingSalt Water Disposal
API
4006320130
Operator
Continental Resources Inc.
County
Harding
Field
Buffalo
Permit
795

Production

241 monthly filings with South Dakota, Jul 1977 to Jul 1997. Each product is in its own unit and the four are never added.

Cumulative oil
156,994 bbl
Cumulative gas
1,266,923 MCF
Cumulative water
106,570 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
Jul 1997000—
Jun 1997————
May 1997————
Apr 1997————
Mar 1997————
Feb 1997————
Jan 1997————
Dec 1996————
Nov 1996————
Oct 1996————
Sep 1996————
Aug 1996————
Jul 1996————
Jun 1996————
May 1996————
Apr 1996————
Mar 1996————
Feb 1996————
Jan 1996————
Dec 1995————
Nov 1995————
Oct 1995————
Sep 1995————
Aug 1995————
Jul 1995————
Jun 1995————
May 1995————
Apr 1995————
Mar 1995————
Feb 1995————
Jan 1995————
Dec 1994————
Nov 1994————
Oct 1994————
Sep 1994————
Aug 1994————
Jul 1994————
Jun 1994————
May 1994————
Apr 1994————
Mar 1994————
Feb 1994————
Jan 1994————
Dec 1993————
Nov 1993————
Oct 1993————
Sep 1993————
Aug 1993————
Jul 1993————
Jun 1993————
May 1993————
Apr 1993————
Mar 1993————
Feb 199369516,58977919
Jan 199399623,7881,10727
Dec 19921,13026,9901,27131
Nov 19921,10026,2541,23030
Oct 19921,05025,0341,17831
Sep 199297223,1661,14030
Aug 199297324,6111,08531
Jul 19921,00525,4301,08531
Jun 199299925,4081,10229
May 19921,02926,1531,17831
Apr 199294925,4541,05030
Mar 19921,05726,5381,17831
Feb 199295523,8291,13129
Jan 19921,00822,6331,17831
Dec 199194623,9321,11631
Nov 199199422,0301,17030
Oct 19911,04221,7561,20931
Sep 19911,00619,5851,25930
Aug 19911,05121,2891,18931
Jul 19911,01420,5561,11031
Jun 19911,01018,9131,20230
May 19911,07322,1881,26831
Apr 19911,04620,0051,07130
Mar 19911,13724,1041,24331
Feb 19911,04222,0741,09528
Jan 19911,22835,3021,29731
Dec 19901,40837,3641,33731
Nov 19901,34236,3121,32330
Oct 19901,31130,8421,47929
Sep 1990————
Aug 1990————
Jul 1990————
Jun 1990————
May 1990————
Apr 1990————
Mar 1990————
Feb 1990————
Jan 1990————
Dec 1989————
Nov 1989————
Oct 1989————
Sep 1989————
Aug 1989————
Jul 1989————
Jun 1989————
May 1989————
Apr 1989————
Mar 1989————
Feb 1989————
Jan 1989————
Dec 1988————
Nov 1988————
Oct 19883066,9463398
Sep 19881,18926,9901,38830
Aug 19881,26628,0371,49531
Jul 19881,28027,2231,36031
Jun 19881,35330,9931,48430
May 19881,38618,1501,51031
Apr 19881,39129,6341,39630
Mar 19881,24416,2901,26331
Feb 19885148,89945317
Jan 198898317,01990131
Dec 19871,36521,8091,24631
Nov 19871,23722,2361,23030
Oct 19871,25220,8671,30231
Sep 19871,24223,0231,23030
Aug 19871,48520,6001,45731
Jul 198769314,39671331
Jun 19871,17117,8731,14030
May 19871,27618,0501,17831
Apr 19871,25917,0911,20030
Mar 19871,07714,4661,14731
Feb 198788412,84495228
Jan 19871,09314,2391,24031
Dec 198697021,7151,33331
Nov 19861,47921,87778030
Oct 19861,30421,47368231
Sep 19861,93818,46790030
Aug 19861,98615,64896131
Jul 19862,19011,7101,05431
Jun 19869631,77137729
May 1986————
Apr 19862564711048
Mar 19861,39544458931
Feb 19861,510128588—
Jan 19861,64214065131
Dec 19855684824831
Nov 19855474624030
Oct 19855314521731
Sep 19855624821030
Aug 19855104321731
Jul 19856255334131
Jun 19855875021030
May 19856075219431
Apr 19855344518730
Mar 19855644821030
Feb 19855754822428
Jan 19856885824831
Dec 19846095224831
Nov 19845004324030
Oct 19844864115531
Sep 19844944224030
Aug 19845524724831
Jul 1984563486231
Jun 19845444633030
May 19846365427931
Apr 19845124412030
Mar 19843012625631
Feb 19844884134829
Jan 1984544466231
Dec 19833953455831
Nov 19834854115030
Oct 19835094315030
Sep 19835744918030
Aug 19834844118631
Jul 19832041762031
Jun 19835314542030
May 19834403734131
Apr 1983661569030
Mar 19836865812431
Feb 19835885016828
Jan 19836875815531
Dec 19826455521731
Nov 19825945021030
Oct 19825174415531
Sep 19825574721030
Aug 19826325421731
Jul 19825724934131
Jun 19823062624030
May 19826225334131
Apr 19826175221030
Mar 19827046027931
Feb 1982572498428
Jan 19825835021731
Dec 19816765731031
Nov 19816045151030
Oct 19817696531031
Sep 19816865836030
Aug 19817396327931
Jul 19815374615422
Jun 19815394617525
May 19817106055831
Apr 19816845827030
Mar 19816545643431
Feb 19815784928028
Jan 19817816646531
Dec 19807856731031
Nov 19808197039030
Oct 19806705755831
Sep 19806945939030
Aug 19807586430025
Jul 19806755737231
Jun 19805454622022
May 19807246231031
Apr 19806055133030
Mar 19804824143431
Feb 19808367130828
Jan 19803312815414
Dec 19796855834131
Nov 19797496433030
Oct 19797396333030
Sep 19799498133030
Aug 19791,17310046531
Jul 19799668246531
Jun 19799468048030
May 19799378048030
Apr 19798887545030
Mar 19799888443431
Feb 19799337936428
Jan 19791,1219540331
Dec 19781,1669939030
Nov 19789678237729
Oct 19781,1259693031
Sep 19781,0869290030
Aug 19789418072024
Jul 19781,2869493031
Jun 19781,33811490031
May 19781,41712078030
Apr 19781,46712567626
Mar 19781,69814467525
Feb 19781,64113962123
Jan 19781,17210049317
Dec 19772,27919387030
Nov 19772,4702101,05030
Oct 19772,5762191,08531
Sep 19772,92224887030
Aug 19773,2522761,08431
Jul 19773,7973231,26631

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

Injection

349 monthly filings with South Dakota, Jun 1997 to Jun 2026. 348 of them carry a figure; the rest are months South Dakota filed empty.

Well type
Salt Water Disposal
Cumulative fluid injected
9,493,335 bbl
MonthFluid injected (bbl)Max pressure (psi)Avg pressure (psi)Days
Jun 2026000—
May 2026000—
Apr 2026000—
Mar 2026000—
Feb 2026000—
Jan 2026000—
Dec 2025000—
Nov 2025000—
Oct 202514618517131
Sep 2025000—
Aug 202574424215931
Jul 202533119316331
Jun 2025000—
May 2025000—
Apr 2025000—
Mar 2025000—
Feb 2025000—
Jan 2025000—
Dec 2024000—
Nov 202428720616630
Oct 20244,9821,19533731
Sep 2024000—
Aug 2024000—
Jul 2024000—
Jun 2024000—
May 2024000—
Apr 2024000—
Mar 2024000—
Feb 2024000—
Jan 2024000—
Dec 2023000—
Nov 2023000—
Oct 2023000—
Sep 2023000—
Aug 202357128523731
Jul 2023000—
Jun 202316,7641,15763330
May 202324,2851,15380231
Apr 202313,7751,14452630
Mar 20231,57831526631
Feb 20236,36439529428
Jan 2023000—
Dec 2022000—
Nov 2022000—
Oct 2022000—
Sep 20226,4341,15948330
Aug 202227,8811,21491231
Jul 202227,8221,20586931
Jun 202226,8251,20598730
May 202225,6881,19591331
Apr 202220,3841,19273930
Mar 202227,0511,19588231
Feb 202221,8101,19489328
Jan 202220,2401,18675331
Dec 202120,9301,18287431
Nov 202121,6781,19983230
Oct 202122,2711,21382631
Sep 202120,9091,21479930
Aug 202122,9471,21084631
Jul 202123,2551,21583731
Jun 202116,4221,19977130
May 202117,2031,1838031
Apr 202119,7791,22482830
Mar 202122,3651,21777831
Feb 202121,5811,21871228
Jan 202125,2241,23073331
Dec 202025,4571,23373031
Nov 202026,2651,24279130
Oct 202027,8141,24988031
Sep 202025,6371,28791530
Aug 202030,9081,28480831
Jul 202022,4001,24382931
Jun 202024,2401,22880030
May 202024,6751,23773731
Apr 202024,6411,23681030
Mar 202028,8181,24483231
Feb 202027,7521,25291429
Jan 202026,8111,24191331
Dec 201929,9891,39292931
Nov 201927,9871,31177330
Oct 201927,5011,43987731
Sep 201926,4281,4511,04430
Aug 201930,5341,40289131
Jul 201928,9771,39298531
Jun 201929,7061,30793630
May 201932,1241,3111,03631
Apr 201933,2611,2941,04530
Mar 201931,5261,28692631
Feb 201929,1931,25392428
Jan 201934,9711,24198431
Dec 201834,3491,24187831
Nov 201833,6811,25694530
Oct 201834,7561,24495131
Sep 201834,3181,2411,04130
Aug 201832,8411,22092431
Jul 201828,5761,19887131
Jun 201822,4821,16367330
May 201825,0281,15065931
Apr 201821,5571,13787630
Mar 201825,4271,15187231
Feb 201824,8061,14578728
Jan 201823,9691,12677531
Dec 201723,6081,14990131
Nov 201724,3901,15371530
Oct 201724,1251,27084131
Sep 201726,6211,30099330
Aug 201731,4011,35089131
Jul 201728,2041,35077531
Jun 201723,6731,33190230
May 201728,8331,35287331
Apr 201727,4451,35589930
Mar 201730,8031,34089431
Feb 201725,7051,31887428
Jan 201730,2381,33794831
Dec 201625,3721,32584028
Nov 201626,2631,30991730
Oct 201629,4371,29080531
Sep 201627,5011,25583130
Aug 201626,0521,25086531
Jul 201628,3141,30087231
Jun 201628,0811,2501,03830
May 201629,2491,25092231
Apr 201628,2301,2501,04930
Mar 201629,5401,26090831
Feb 201629,9671,26098129
Jan 201634,3531,3001,04131
Dec 201542,3441,2801,05631
Nov 201537,0351,2801,09730
Oct 201534,6681,2601,11331
Sep 201533,8751,2911,16330
Aug 201538,1821,25095831
Jul 201537,0371,2501,09231
Jun 201540,2711,2501,00730
May 201532,8011,20088031
Apr 201534,3241,2001,04430
Mar 201535,2471,2001,02631
Feb 201532,8951,2001,09328
Jan 201536,5441,2001,10331
Dec 201435,3321,2001,09431
Nov 201436,5851,2001,07030
Oct 201438,3301,2001,06131
Sep 201437,4991,2001,06430
Aug 201438,5131,2001,09031
Jul 201440,6961,2001,07431
Jun 201443,0661,2151,18030
May 201441,0091,2501,05331
Apr 201439,6201,2501,10930
Mar 201444,4071,2501,13231
Feb 201438,7081,2001,08228
Jan 201440,5381,2501,10831
Dec 201343,7601,2401,10231
Nov 201347,2641,2501,16330
Oct 201337,1091,2001,04431
Sep 201336,8781,2201,06030
Aug 201341,2601,2201,08231
Jul 201339,5921,2201,08631
Jun 201338,3821,22593530
May 201344,2091,2201,13731
Apr 201345,2561,2401,13830
Mar 201348,4941,2401,17431
Feb 201343,9311,2001,17028
Jan 201345,0401,1801,10931
Dec 201242,8421,1501,08931
Nov 201243,4871,1501,06530
Oct 201237,9721,15092931
Sep 201235,6621,3801,14529
Aug 201242,1701,3801,15631
Jul 201239,0281,3821,12931
Jun 201237,5891,3201,15130
May 201245,3361,2801,18331
Apr 201239,1261,3601,23830
Mar 201240,6761,3201,24631
Feb 201235,1981,2801,07829
Jan 201236,4021,2601,18131
Dec 201139,0381,2401,20531
Nov 201135,7431,2401,16630
Oct 201139,2451,4501,31531
Sep 201139,5211,4001,21730
Aug 201131,1721,3501431
Jul 201132,9071,3501,09531
Jun 201127,4171,3501,02930
May 201131,0831,3601,04131
Apr 201132,4821,3201,08131
Mar 201126,6641,2901,00231
Feb 201126,8441,2901,08528
Jan 201131,6971,3001,09431
Dec 201025,8291,2601,04031
Nov 20102,4971,2501,04830
Oct 201028,0201,24099131
Sep 201030,4481,2401,09430
Aug 201028,1631,20093331
Jul 201027,4201,30092131
Jun 201030,9851,22098930
May 201037,7271,2401,08531
Apr 201035,5851,24094630
Mar 201037,7371,22091931
Feb 201038,9421,20097428
Jan 201025,7941,20082331
Dec 200929,0731,16081031
Nov 200935,6921,20076830
Oct 200938,2901,15075031
Sep 200938,3411,10076530
Aug 200941,0181,32589031
Jul 200939,5501,3501,12531
Jun 200942,5241,3501,21730
May 200941,9741,3401,06731
Apr 200941,8101,3101,03830
Mar 200934,9101,3001,12531
Feb 200936,6251,30099628
Jan 200944,8761,2801,10931
Dec 200844,1211,2601,05131
Nov 200843,9641,2401,08530
Oct 200846,5731,2201,08731
Sep 200837,0771,14098430
Aug 200844,0691,1701,01531
Jul 200836,4211,5001,11631
Jun 200834,9991,4201,13330
May 20087,0591,37057830
Apr 200831,1211,3701,05931
Mar 200829,4431,34088131
Feb 200847,7843,6253,59429
Jan 200834,2091,34080031
Dec 200734,5371,37092531
Nov 200739,6771,4001,07430
Oct 200751,1281,3701,12431
Sep 200756,4531,3201,28230
Aug 200761,7371,3201,11631
Jul 200745,5701,22099231
Jun 200742,7571,12088030
May 200739,5621,12089531
Apr 200722,7651,02062630
Mar 200729,3851,32074231
Feb 200727,0661,32089728
Jan 200726,6231,27086431
Dec 200627,3111,2401,07931
Nov 200621,2881,20084230
Oct 200627,7091,2501,20013
Sep 200625,3091,2001,12630
Aug 200633,5701,3501,26831
Jul 200632,7051,2601,18931
Jun 200626,8231,2001,16030
May 200629,5651,2001,19031
Apr 200615,8971,2001,17530
Mar 200630,5391,2001,10631
Feb 200629,2531,2001,17528
Jan 200634,6161,2001,16131
Dec 200537,6571,2001,12431
Nov 200535,5261,1001,03930
Oct 200528,9391,00097831
Sep 200524,5901,30091130
Aug 200525,7201,4001,32131
Jul 200521,8891,3751,27330
Jun 200519,0521,3001,30030
May 200521,7921,3001,28731
Apr 200521,7661,3001,24030
Mar 200523,0701,3001,25831
Feb 200522,9761,2001,18528
Jan 200524,6301,2001,07931
Dec 200424,9701,10077831
Nov 200425,3551,15085130
Oct 200425,9291,15078731
Sep 200424,8951,15074230
Aug 200423,5451,20083331
Jul 200424,4831,15083431
Jun 200424,3971,15088130
May 200424,9291,04079831
Apr 200425,5161,10083330
Mar 200425,1601,30077731
Feb 200425,1471,00074629
Jan 200427,46090061931
Dec 200326,41885064031
Nov 200326,27080066730
Oct 200325,94380059531
Sep 200324,56185055730
Aug 200324,58695063930
Jul 200326,9901,00071031
Jun 200320,87390056530
May 200326,53585065731
Apr 200324,07485060930
Mar 200326,63185060031
Feb 200323,3351,20056928
Jan 200327,47785061331
Dec 200226,47384062931
Nov 200227,2681,20096130
Oct 200224,8991,75097031
Sep 200227,0521,30052030
Aug 200225,13195066331
Jul 200231,9851,08077831
Jun 200226,0061,10074030
May 200229,2051,10073631
Apr 200224,51998055530
Mar 200220,11096072631
Feb 200215,39295054328
Jan 200222,44398075631
Dec 200124,7211,05077631
Nov 200123,1481,00088530
Oct 200133,8581,05064631
Sep 20017,9841,25051315
Aug 200120,0871,26091031
Jul 200134,2161,20072031
Jun 200120,5511,20074730
May 200119,0381,18060831
Apr 200118,9361,16065030
Mar 200121,2011,15058631
Feb 200119,0951,12065028
Jan 200120,6021,10064131
Dec 200019,503505031
Nov 200018,7641,06055926
Oct 200020,84198074130
Sep 200021,00098074130
Aug 200022,5931,00075831
Jul 200021,6811,10086731
Jun 200039,6621,10082130
May 200027,0611,10082131
Apr 200029,1491,1601,04630
Mar 200040,3901,1601,04631
Feb 200038,9901,1801,06529
Jan 200043,1301,1801,07531
Dec 199940,3501,1601,11831
Nov 199942,2401,1801,13430
Oct 199943,1401,1801,10931
Sep 199937,5101,1601,12330
Aug 199940,1601,1601,06231
Jul 199937,8711,1601,11831
Jun 199935,9591,1601,07830
May 199923,8681,20088931
Apr 199920,5991,23095130
Mar 199943,6041,1601,01131
Feb 199934,1561,10084228
Jan 199942,6551,12091328
Dec 199841,0821,12091031
Nov 199838,5291,15092730
Oct 199842,1431,12090931
Sep 199830,7001,02079030
Aug 199824,49984070931
Jul 199824,60888071031
Jun 199830,8111,14086330
May 199840,7581,11091931
Apr 199835,2341,00080930
Mar 199839,2991,12090931
Feb 199836,9361,04094328
Jan 199843,2661,04093531
Dec 199737,4771,00087228
Nov 199736,7911,02591427
Oct 199745,3431,05094731
Sep 199745,2341,06095530
Aug 199754,32680068631
Jul 199716,56480080020
Jun 1997————

A dash is a month the well filed with no figure in that column. An average pressure is shown only for a month the well filed once; where it filed twice the two averages cannot be recombined into one, so none is shown.

Formation tops

South Dakota records 6 formations for this well, shallowest first.

FormationTop (ft)Age
Stonewall Limestone8,172Silurian/Ordovician
Gunton Member, Stony Mountain Formation8,220Ordovician
Stony Mountain Formation8,258Ordovician
Red River Formation8,322Ordovician
Unit A, Red River Formation8,345Ordovician
Unit B, Red River Formation8,376Ordovician

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

InjectingSalt Water Disposal
Spudded
1977-05-22
Completed
1977-06-24
Measured depth
8,422 ft
True vertical depth
8,422 ft

Intervals

FormationPerforated (ft)
Unit A, Red River Formation8,328–8,346
Unit B, Red River Formation8,360–8,378

Location

45.713558, -103.583799

45.71356, -103.58380 · 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.