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EHSRRU N-5H

API 400632060701 · Harding County, South Dakota · East Harding Springs field

InjectingWater Injection
API
400632060701
Operator
Luff Exploration Co.
County
Harding
Field
East Harding Springs
Location
SESW Sec 05 Twp 022N Rng 06E
Permit
1952

Production

7 monthly filings with South Dakota, Nov 2009 to May 2010. Each product is in its own unit and the four are never added.

Cumulative oil
7,069 bbl
Cumulative gas
2,533 MCF
Cumulative water
11,914 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
May 20100201
Apr 20101,9471,1074,15827
Mar 20102,4056694,28631
Feb 20102,7177553,47028
Jan 2010————
Dec 2009————
Nov 2009————

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

Injection

53 monthly filings with South Dakota, Nov 2009 to Aug 2014. 52 of them carry a figure; the rest are months South Dakota filed empty.

Well type
Water Injection
Cumulative fluid injected
435,309 bbl
MonthFluid injected (bbl)Max pressure (psi)Avg pressure (psi)Days
Aug 20147,7751,7001,66331
Jul 20147,6371,7001,70031
Jun 20147,3951,7001,69830
May 20147,2911,7001,65531
Apr 20147,5061,7001,68730
Mar 20145,7971,6401,40931
Feb 20146,6221,7001,68828
Jan 20147,0061,7001,70031
Dec 20136,8631,7001,70031
Nov 20136,5331,7001,70030
Oct 20137,0631,7001,68229
Sep 20137,6791,7001,70030
Aug 20137,8521,7001,70031
Jul 20137,4551,7001,70031
Jun 20137,5851,7001,42830
May 20135,0311,7001,50931
Apr 20137,8371,7001,68830
Mar 201310,1361,7001,62131
Feb 20135,2601,3001,04528
Jan 20132,9781,26097031
Dec 20125,5541,4401,33031
Nov 20126,1111,4001,35830
Oct 20126,0521,6201,42031
Sep 20125,6911,6801,48030
Aug 20127,3111,7001,66831
Jul 20127,0551,7001,64531
Jun 20127,5871,7001,67730
May 20128,1471,6801,49131
Apr 20126,8021,7001,57730
Mar 20128,3131,7001,70031
Feb 20127,1321,7001,70029
Jan 20127,7791,7001,69231
Dec 20118,0861,7001,70031
Nov 20117,6081,7001,70030
Oct 20118,1071,7001,69431
Sep 20117,3361,7001,69130
Aug 20117,7531,7001,70031
Jul 20117,9061,7001,70031
Jun 20118,0941,7001,69630
May 20118,8091,7001,70031
Apr 20118,8351,7001,70030
Mar 20119,9081,7001,70031
Feb 20119,8621,7001,68728
Jan 201111,3651,7001,69631
Dec 201012,1001,7001,69231
Nov 201012,3491,7001,69930
Oct 201013,4311,7001,69731
Sep 201016,9541,7001,69530
Aug 201021,7671,6801,07231
Jul 201014,0030031
Jun 201015,4570030
May 20102,744007
Nov 2009————

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 4 formations for this well, shallowest first.

FormationTop (ft)Age
Gunton Member, Stony Mountain Formation8,705Ordovician
Red River Formation8,836Ordovician
Unit A, Red River Formation8,843Ordovician
Unit B, Red River Formation8,871Ordovician

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

Completions

South Dakota files 3 completion reports for this well, one for each bore of the well.

Lateral 3 (East sidetrack 1)

InjectingWater Injection
Spudded
2009-10-08
Completed
2009-11-21
Measured depth
11,887 ft
True vertical depth
8,869 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation8,902–11,887

Lateral 4 (West sidetrack 1)

InjectingWater Injection
Spudded
2009-10-08
Completed
2009-11-21
Measured depth
10,062 ft
True vertical depth
8,867 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation9,150–10,062

Lateral 5 (West sidetrack 2)

InjectingWater Injection
Spudded
2009-10-08
Completed
2009-11-21
Measured depth
10,695 ft
True vertical depth
8,867 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation9,955–10,695

Location

45.894620, -103.411336

45.89462, -103.41134 · 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.