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State I-14H

API 4006320782 · Harding County, South Dakota · Clarkson Ranch field

InjectingWater Injection
API
4006320782
Operator
Luff Exploration Co.
County
Harding
Field
Clarkson Ranch
Location
NESE Sec 14 Twp 022N Rng 04E
Permit
2075

Production

15 monthly filings with South Dakota, Jun 2018 to Aug 2019. Each product is in its own unit and the four are never added.

Cumulative oil
3,168 bbl
Cumulative gas
613 MCF
Cumulative water
63,928 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
Aug 2019————
Jul 2019————
Jun 2019————
May 2019————
Apr 201964122,32115
Mar 2019185364,03831
Feb 2019203394,27728
Jan 2019204404,22531
Dec 2018250485,21931
Nov 2018249485,96130
Oct 2018367717,27531
Sep 2018378736,66530
Aug 2018451886,93531
Jul 20185641098,02231
Jun 2018253498,99024

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

Injection

84 monthly filings with South Dakota, Jun 2019 to Jun 2026. 83 of them carry a figure; the rest are months South Dakota filed empty.

Well type
Water Injection
Cumulative fluid injected
1,508,299 bbl
MonthFluid injected (bbl)Max pressure (psi)Avg pressure (psi)Days
Jun 202618,2301,6841,68030
May 202618,8081,6841,68031
Apr 202618,2751,6831,68130
Mar 202618,7801,6831,68031
Feb 202616,9801,6831,67928
Jan 202619,3471,6831,68031
Dec 202518,6141,6831,67731
Nov 202518,0261,6841,68030
Oct 202518,6541,6891,68131
Sep 202517,9581,6841,68030
Aug 202518,3431,6841,68031
Jul 202518,3381,6831,68131
Jun 202517,8231,6831,68030
May 202518,2881,6831,68031
Apr 202517,6611,6831,67830
Mar 202518,2441,6831,68031
Feb 202516,5521,6831,68028
Jan 202518,2171,6831,67931
Dec 202418,2801,6831,68031
Nov 202417,5331,6841,68030
Oct 202418,0231,6871,68131
Sep 202417,4531,6841,68130
Aug 202418,1881,6861,68131
Jul 202417,9881,6841,68131
Jun 202417,5261,6841,68130
May 202418,0711,6831,68031
Apr 202417,4631,6831,68030
Mar 202418,1681,6821,67831
Feb 202418,0091,6801,66729
Jan 202414,8941,6801,49831
Dec 202317,9651,6821,68031
Nov 202317,3191,6831,68030
Oct 202317,8671,7001,69331
Sep 202317,2011,7001,70030
Aug 202317,7761,7001,69731
Jul 202317,8931,7001,69431
Jun 202317,1881,7001,69330
May 202317,8481,7001,69731
Apr 202317,2011,7001,69830
Mar 202317,5891,7001,69931
Feb 202316,0631,7001,70028
Jan 202318,0831,7001,69131
Dec 202217,3361,7001,69931
Nov 202217,2681,7001,69930
Oct 202217,5531,7001,69931
Sep 202217,2871,7001,70030
Aug 202217,5821,7001,70031
Jul 202217,6831,7001,70031
Jun 202217,0791,7001,70030
May 202217,6461,7001,70031
Apr 202216,8321,7001,70030
Mar 202217,1311,7001,70031
Feb 202215,4781,7001,69928
Jan 202217,3141,7001,70031
Dec 202117,3711,7001,70031
Nov 202116,9341,7001,70030
Oct 202117,5171,7001,69931
Sep 202117,0251,7001,70030
Aug 202117,7071,7001,70031
Jul 202117,7071,7001,69931
Jun 202117,2341,7001,70030
May 202117,9631,7001,70031
Apr 202117,4691,7001,70030
Mar 202118,1101,7001,70031
Feb 202116,4821,7001,70028
Jan 202118,4001,7001,69931
Dec 202018,5141,7001,70031
Nov 202017,9471,7001,70030
Oct 202018,6891,7001,69931
Sep 202017,6401,7001,64029
Aug 202018,6521,7001,69931
Jul 202018,6681,6951,68931
Jun 202018,1711,6901,68230
May 202019,2681,6901,68231
Apr 202019,1151,7001,68830
Mar 202021,0861,7001,69131
Feb 202021,6401,6971,69029
Jan 202026,0311,6901,58331
Dec 201926,3711,4201,24231
Nov 201925,4021,00068230
Oct 201926,0293125831
Sep 201926,3370030
Aug 20193,904006
Jun 2019————

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 14 formations for this well, shallowest first.

FormationTop (ft)Age
Niobrara Formation2,191Cretaceous
Dakota Sandstone4,630Cretaceous
Spearfish Formation6,011Triassic/Permian
Minnelusa Formation6,265Permian/Pennsylvanian
Charles Formation6,882Mississippian
Mission Canyon Limestone7,208Mississippian
Lodgepole Limestone7,659Mississippian
Interlake Dolomite8,397Silurian
Stonewall Limestone8,718Silurian/Ordovician
Stony Mountain Formation8,724Ordovician
Gunton Member, Stony Mountain Formation8,750Ordovician
Stoughton Member, Stony Mountain Formation8,802Ordovician
Red River Formation8,874Ordovician
Unit B, Red River Formation8,908Ordovician

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

Completions

South Dakota files 2 completion reports for this well, one for each bore of the well.

Lateral 1 (Southeast)

InjectingWater Injection
Spudded
2018-04-25
Completed
2018-06-05
Measured depth
10,250 ft
True vertical depth
8,855.7 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation9,259–10,250

Lateral 2 (Southeast sidetrack 1)

InjectingWater Injection
Spudded
2018-04-25
Completed
2018-06-05
Measured depth
14,931 ft
True vertical depth
8,885.6 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation9,477–14,931

Location

45.868869, -103.584339

45.86887, -103.58434 · 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.