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EHSRRU N-5H

API 4006320607 · Harding County, South Dakota · East Harding Springs field

InjectingWater Injection
API
4006320607
Operator
Luff Exploration Co.
County
Harding
Field
East Harding Springs
Location
SESW Sec 05 Twp 022N Rng 06E
Permit
1786

Production

11 monthly filings with South Dakota, Oct 2006 to Oct 2009. Each product is in its own unit and the four are never added.

Cumulative oil
18,515 bbl
Cumulative gas
11,696 MCF
Cumulative water
7,074 bbl
PeriodOil (bbl)Gas (MCF)Water (bbl)Days
Oct 2009000—
Jul 2007000—
Jun 20071,1011,35525030
May 20071,2921,59026130
Apr 20071,35370934628
Mar 20071,63885831931
Feb 20071,7531,08642828
Jan 20072,3471,37561531
Dec 20062,9731,55885931
Nov 20064,0262,1001,47529
Oct 20062,0321,0652,52116

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

Injection

170 monthly filings with South Dakota, Jun 2007 to Jun 2026. 167 of them carry a figure; the rest are months South Dakota filed empty.

Well type
Water Injection
Cumulative fluid injected
1,135,046 bbl
MonthFluid injected (bbl)Max pressure (psi)Avg pressure (psi)Days
Jun 20267,8051,6981,67130
May 20267,7691,6731,66731
Apr 20267,4241,6801,66830
Mar 20267,7931,6771,66731
Feb 20266,9821,6731,65328
Jan 20267,6831,6701,66431
Dec 20257,3581,6701,66331
Nov 20256,9431,6711,66930
Oct 20256,8761,6791,67131
Sep 20256,6991,6711,64930
Aug 20256,6521,6751,64831
Jul 20256,9071,6931,66231
Jun 20256,6861,6951,67230
May 20256,9061,6721,66931
Apr 20256,6241,6711,66930
Mar 20256,8511,6711,66931
Feb 20256,3971,6901,67128
Jan 20257,0681,6901,67031
Dec 20247,1241,6871,66931
Nov 20246,8301,6901,66730
Oct 20247,0301,6791,67031
Sep 20246,8261,6811,67830
Aug 20247,0381,6911,67431
Jul 20247,0151,6901,67131
Jun 20246,7911,6901,67330
May 20246,9991,6901,67231
Apr 20246,6701,6901,67130
Mar 20246,8381,6901,67631
Feb 20246,3451,6951,67829
Jan 20246,7021,6911,67631
Dec 20236,7101,6911,67131
Nov 20236,5791,6911,67430
Oct 20236,8571,6921,67531
Sep 20236,3681,6721,63430
Aug 20236,5601,6711,63231
Jul 20236,7511,6681,65831
Jun 20236,4471,6671,64930
May 20236,7651,6681,65631
Apr 20236,4761,6921,66630
Mar 20236,4171,6901,67331
Feb 20235,6691,7001,67828
Jan 20236,8541,7001,67731
Dec 20226,2601,6881,59829
Nov 20226,0761,6911,65330
Oct 20226,6921,7001,68431
Sep 20226,3311,7001,66830
Aug 20226,7571,7001,64731
Jul 20226,8281,6991,63431
Jun 20226,9651,6791,65030
May 20227,0271,7001,66931
Apr 20226,2531,7001,60529
Mar 20226,5731,6891,67731
Feb 20226,0001,6871,67828
Jan 20226,5531,6901,68031
Dec 20216,5431,6891,68131
Nov 20216,6321,6901,68130
Oct 20216,8861,6871,68031
Sep 20216,3191,6891,68130
Aug 20216,6381,6901,68031
Jul 20216,5031,6891,67831
Jun 20216,5151,6921,68530
May 20216,8281,6891,68531
Apr 20216,5551,6881,68430
Mar 20216,7371,6941,68431
Feb 20215,9881,6971,68328
Jan 20216,6421,6901,68431
Dec 20206,4431,6871,68031
Nov 20206,2131,6871,67930
Oct 20206,4781,6901,67931
Sep 20206,2991,6901,67830
Aug 20206,3651,6901,68131
Jul 20206,5681,6801,67731
Jun 20206,3771,6851,67630
May 20206,4821,7001,67531
Apr 20206,4711,6951,67330
Mar 20207,2151,6831,67431
Feb 20206,7271,6801,67329
Jan 20206,9061,7001,67931
Dec 20197,0371,7001,68131
Nov 20196,6801,7001,68330
Oct 20196,8231,6901,68231
Sep 20196,4031,6901,68430
Aug 20196,4771,7001,68831
Jul 20196,8151,6901,68231
Jun 20196,4391,6901,68430
May 20196,6871,6901,68531
Apr 20196,3631,6901,68530
Mar 20196,5181,7001,69231
Feb 20195,9201,7001,69828
Jan 20196,5971,7001,69631
Dec 20186,1461,6951,64231
Nov 20186,1251,6901,65730
Oct 20186,6551,6901,67631
Sep 20186,3541,7001,68130
Aug 20186,4401,7001,66931
Jul 20186,1681,6851,66931
Jun 20186,3011,6801,67430
May 20186,4621,6851,67431
Apr 20186,1581,6851,66630
Mar 20186,3821,6801,67231
Feb 20185,7771,6801,67128
Jan 20186,6851,6801,67331
Dec 20176,8981,6801,67331
Nov 20176,4721,7001,67830
Oct 20176,5031,6801,67531
Sep 20176,2911,6801,66129
Aug 20176,4931,6901,66831
Jul 20176,9461,6801,66831
Jun 20178,1401,6801,50830
May 20178,0421,3201,00031
Apr 20175,84570039819
Mar 2017—00—
Feb 2017—14053—
Jan 2017—550404—
Dec 20163,3341,7001,18418
Nov 20166,1531,7001,68130
Oct 20166,5661,7001,67831
Sep 20166,0251,6801,67930
Aug 20166,8961,6801,68031
Jul 20166,8741,7001,68031
Jun 20166,7081,7001,68130
May 20166,9771,6801,68031
Apr 20166,6841,6801,68030
Mar 20166,9551,6801,67231
Feb 20166,8061,7001,68329
Jan 20167,3021,7001,68331
Dec 20157,3421,7001,68131
Nov 20157,2251,7001,68230
Oct 20157,6031,7001,68031
Sep 20157,3171,7001,68330
Aug 20157,3291,7001,68431
Jul 20157,3101,7001,67831
May 20157,2911,7001,68431
Apr 20156,8981,7001,68230
Mar 20157,2871,7001,69731
Feb 20156,2951,7001,68428
Jan 20157,9991,7001,67931
Dec 20148,1781,7001,68431
Nov 20147,4781,7001,68030
Oct 20147,8571,7001,67631
Sep 20148,4721,6901,65630
Oct 2009————
Sep 2009————
Aug 20094,6311,4001,38326
Jul 20095,4821,3401,25231
Jun 20092,6661,7001,27713
May 20095,6671,6801,66831
Apr 20096,0421,6801,67930
Mar 20096,2201,6801,67931
Feb 20095,4151,7001,67928
Jan 20096,1771,7001,54331
Dec 20085,0071,7001,59631
Nov 20085,2381,7001,51828
Oct 20085,3301,7001,63131
Sep 20085,2861,7001,66530
Aug 20086,3721,7001,68531
Jul 20085,8541,7001,54931
Jun 20086,2561,7001,61530
May 20084,8971,6801,27124
Apr 20087,6521,7001,65330
Mar 20087,8221,7001,65031
Feb 20087,2541,7001,66029
Jan 20088,9571,7001,67531
Dec 20079,4481,6801,66631
Nov 200710,5801,7001,67330
Oct 200711,4681,6801,57531
Sep 200713,7571,6401,46530
Aug 200724,6301,5101,03631
Jul 200718,0060020
Jun 2007————

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 26 formations for this well, shallowest first.

FormationTop (ft)Age
Eagle Sandstone Member, Pierre Shale2,148Cretaceous
Niobrara Formation3,048Cretaceous
Carlile Shale3,230Cretaceous
Greenhorn Limestone3,958Cretaceous
Mowry Shale4,103Cretaceous
Dakota Mud4,494Cretaceous
Piper Formation5,450Triassic
Spearfish Formation5,762Triassic/Permian
Minnekahta Limestone5,929Permian
Opeche Shale5,972Permian
Minnelusa Formation6,044Permian/Pennsylvanian
Kibbey Formation6,620Mississippian
Charles Formation6,720Mississippian
Mission Canyon Limestone7,056Mississippian
Lodgepole Limestone7,494Mississippian
Three Forks Shale7,830Devonian
Duperow Formation8,116Devonian
Souris River Formation8,287Devonian
Interlake Dolomite8,342Silurian
Stonewall Limestone8,620Silurian/Ordovician
Gunton Member, Stony Mountain Formation8,705Ordovician
Stony Mountain Formation8,754Ordovician
Red River Formation8,836Ordovician
Unit A, Red River Formation8,843Ordovician
Unit B, Red River Formation8,871Ordovician
Unit C, Red River Formation8,920Ordovician

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 (West)

InjectingWater Injection
Spudded
2006-08-03
Completed
2006-10-05
Measured depth
11,203 ft
True vertical depth
8,847.5 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation8,931–11,203

Lateral 2 (East)

InjectingWater Injection
Spudded
2006-08-03
Completed
2006-10-05
Measured depth
10,286 ft
True vertical depth
8,874.6 ft

Interval

FormationPerforated (ft)
Unit B, Red River Formation8,970–10,286

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.