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EHSRRU J-30H

API 4006320733 · Harding County, South Dakota · East Harding Springs field

InjectingWater Injection
API
4006320733
Operator
Luff Exploration Co.
County
Harding
Field
East Harding Springs
Location
NWSE Sec 30 Twp 023N Rng 06E
Permit
2010

Production

15 monthly filings with South Dakota, Aug 2012 to Oct 2013. Each product is in its own unit and the four are never added.

Cumulative oil
3,979 bbl
Cumulative gas
32,326 MCF
Cumulative water
25,541 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
Oct 2013——0—
Sep 2013————
Aug 2013————
Jul 20131691,37165017
Jun 20133592,9171,22930
May 20133012,4481,22131
Apr 20133412,7691,36830
Mar 20133682,9921,34731
Feb 20133833,1151,39228
Jan 20135854,7532,11731
Dec 20122822,2891,45618
Nov 20125354,3442,75129
Oct 20125234,2473,91131
Sep 20121331,0815,32530
Aug 2012002,77415

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

Injection

155 monthly filings with South Dakota, Aug 2013 to Jun 2026. 153 of them carry a figure; the rest are months South Dakota filed empty.

Well type
Water Injection
Cumulative fluid injected
1,314,635 bbl
MonthFluid injected (bbl)Max pressure (psi)Avg pressure (psi)Days
Jun 20267,4001,6781,66230
May 20267,6101,6561,65431
Apr 20267,4471,6551,64030
Mar 20267,6611,6401,63231
Feb 20266,5341,6521,62328
Jan 20267,2891,6561,64931
Dec 20257,7291,6571,65131
Nov 20257,3561,6611,65330
Oct 20257,4041,6481,63331
Sep 20257,2181,6671,64630
Aug 20257,6201,6671,66631
Jul 20257,5841,6681,66631
Jun 20257,2711,6701,66530
May 20257,5801,6821,66831
Apr 20257,4721,6691,66730
Mar 20257,7491,6691,66731
Feb 20256,4991,6691,66728
Jan 20257,1601,6921,65931
Dec 20247,6931,7001,65731
Nov 20247,0101,6461,63930
Oct 20246,9081,6741,65931
Sep 20246,5131,6751,67330
Aug 20246,6481,7001,68531
Jul 20247,2291,6961,68931
Jun 20247,2491,6921,68730
May 20247,8121,6931,68731
Apr 20247,6471,6941,68930
Mar 20247,1601,6971,69231
Feb 20247,2251,6911,67829
Jan 20247,8131,6861,67431
Dec 20238,4901,6771,67331
Nov 20238,5511,6801,67530
Oct 20238,7411,6791,67431
Sep 20238,6281,6771,67430
Aug 20238,8601,6981,67031
Jul 20237,6601,6651,65731
Jun 20237,1391,6731,66630
May 20237,6091,6721,66931
Apr 20237,2611,6731,66930
Mar 20237,9791,6761,67231
Feb 20236,9401,6821,62828
Jan 20237,8561,6841,65031
Dec 20226,7641,6841,60129
Nov 20227,1221,6881,65830
Oct 20227,2071,6851,66031
Sep 20227,4861,6831,68130
Aug 20227,3781,6831,68231
Jul 20227,5181,6831,62331
Jun 20227,0461,6981,60830
May 20227,1911,6811,64031
Apr 20226,7441,6711,57629
Mar 20227,0791,6911,65631
Feb 20226,5311,7001,67428
Jan 20227,1901,6401,63331
Dec 20217,2281,6341,62531
Nov 20217,3301,6781,64630
Oct 20217,6841,6861,68131
Sep 20217,4891,7001,69630
Aug 20217,8401,7001,69931
Jul 20217,6681,7001,69131
Jun 20216,5341,6901,66830
May 20216,5251,6971,65131
Apr 20216,4371,7001,66130
Mar 20216,9301,7001,69231
Feb 20216,2881,7001,69028
Jan 20216,8421,7001,69631
Dec 20206,7701,7001,68731
Nov 20206,4811,6851,68030
Oct 20206,0601,6801,62831
Sep 20206,2451,6821,67930
Aug 20206,9981,6811,67831
Jul 20207,5521,6851,67731
Jun 20207,2851,6801,67530
May 20207,5131,6801,67931
Apr 20207,5451,7001,67930
Mar 20207,7781,6871,59731
Feb 20207,6091,6851,67629
Jan 20207,8261,6901,67831
Dec 20197,7561,7001,66431
Nov 20197,8791,7001,65430
Oct 20197,5241,6451,62631
Sep 20197,3541,6701,64830
Aug 20197,5871,7001,68431
Jul 20197,4811,7001,66731
Jun 20197,4181,7001,68930
May 20197,2621,7001,64731
Apr 20196,5361,6951,57330
Mar 20197,0721,7001,67131
Feb 20197,0491,7001,67128
Jan 20197,7001,7001,64831
Dec 20186,3831,6451,48231
Nov 20185,4481,5901,49230
Oct 20186,1041,6101,57231
Sep 20186,7911,7001,65430
Aug 20186,6231,7001,62031
Jul 20187,5591,7001,59631
Jun 20187,8311,6801,67930
May 20188,3911,6801,65531
Apr 20188,4921,6641,64630
Mar 20187,8001,6351,51631
Feb 20187,0201,6551,61128
Jan 20188,1191,6601,64331
Dec 20178,5111,6601,65831
Nov 20178,4381,6701,66530
Oct 20179,2071,6701,63931
Sep 20177,1431,5701,48329
Aug 20177,9411,6501,60131
Jul 20178,1711,6651,63031
Jun 20177,7171,6601,63930
May 20178,1941,6601,64931
Apr 20177,9531,6801,64330
Mar 20178,0811,7001,65331
Feb 20171,6821,7001,68228
Jan 20177,9191,6801,59530
Dec 20168,1481,7001,63030
Nov 20168,3091,6801,63130
Oct 20168,8511,6801,65431
Sep 20167,9131,6801,60130
Aug 20167,9971,6801,67831
Jul 20167,7791,7001,67831
Jun 20167,7491,7001,65530
May 20167,7771,6801,64731
Apr 20167,6441,6501,65030
Mar 20167,9831,6501,61731
Feb 20167,8031,7001,66929
Jan 20168,6941,7001,68931
Dec 20158,8421,7001,69831
Nov 20158,9111,7001,70030
Oct 20159,6651,7001,69931
Sep 20159,2181,7001,70030
Aug 20159,6071,7001,70031
Jul 201510,6011,7001,70031
Jun 201511,5541,7001,69530
May 201512,4261,7001,70031
Apr 201512,3071,7001,70030
Mar 201512,8401,7001,70031
Feb 201511,4481,7001,69328
Jan 201513,0431,7001,70031
Dec 201413,2591,7001,70031
Nov 201413,0421,7001,70030
Oct 201413,9751,7001,69431
Sep 201413,5101,7001,63730
Aug 201412,7901,7001,59531
Jul 201413,9541,7001,70031
Jun 201414,4531,7001,69330
May 201414,9231,7001,69031
Apr 201416,2391,7001,64830
Mar 201414,5711,4201,25831
Feb 201415,2761,7001,67128
Jan 201422,3921,7001,68931
Dec 201328,1991,6601,13131
Nov 201327,08035023330
Oct 201316,8100022
Sep 2013————
Aug 2013————

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 10 formations for this well, shallowest first.

FormationTop (ft)Age
Niobrara Formation3,102Cretaceous
Dakota Sandstone4,545Cretaceous
Spearfish Formation5,800Triassic/Permian
Minnelusa Formation6,039Permian/Pennsylvanian
Charles Formation6,804Mississippian
Mission Canyon Limestone7,136Mississippian
Lodgepole Limestone7,570Mississippian
Duperow Formation8,194Devonian
Interlake Dolomite8,413Silurian
Red River Formation8,924Ordovician

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 (East)

InjectingWater Injection
Spudded
2012-06-15
Completed
2012-09-21
Measured depth
10,257 ft
True vertical depth
8,951 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation9,258–10,257

Lateral 2 (East sidetrack 1)

InjectingWater Injection
Spudded
2012-06-15
Completed
2012-09-21
Measured depth
12,651 ft
True vertical depth
9,005 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation9,714–12,651

Location

45.925922, -103.425757

45.92592, -103.42576 · 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.