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Presented by:  Kathleen Neset Wellsite Geology and Mudlogging
 
<ul><li>Geologist and mudlogger work 12 hr shifts </li></ul><ul><li>Geologist:  1 st  in command of wellsite mudlogging op...
<ul><li>Mudlogger:  No specific education required </li></ul><ul><li>Provides general mudlogging labor </li></ul><ul><ul><...
 
 
 
Divide McKenzie Williams Burke Mountrail Ward Bottineau Renville McHenry McLean Dunn Stark Billings Oliver Northern Play S...
Bakken Formation Middle Member  Contour Interval 5 ft
<ul><li>North Dakota Stratigraphic Column </li></ul><ul><li>Bakken Formation </li></ul><ul><li>~360 Million Years Old </li...
Stratigraphy Three Forks Formation Bakken Formation Lodgepole Formation lower middle upper Pelmatozoan limestone “ False B...
GR Res
Lithofacies 7 - Siltstone Lithofacies 4 – Interbedded Dark Grey  Shale and Buff Silty Sandstone Lithofacies 3 - Sandstone ...
Hot Gamma ROP Increase Gas Increase Density – Neutron Crossover ROP Increase Gas Increase Clean Gamma ROP Increase Hot Gamma
<ul><li>Mudloggers work closely with directional drillers </li></ul>
 
Drillpipe Non-magnetic Drill Collar Bent Sub Mud Motor Rotating Sub
 
HS (0) 90R 90L 45R 45L 135R 135L 180 (LS)
<ul><li>North Dakota Stratigraphic Column </li></ul><ul><li>Bakken Formation </li></ul><ul><li>~360 Million Years Old </li...
 
Target  Upper SS  Middle Stringer Base Target  Lower Bakken Shale Three Forks
Upper SS  Gamma 60-80 API ROP 30-60 ft/hr Lithology Sandstone
Middle Stringer Gamma 90-100+ API ROP 50 ft/hr Lithology Shale
Target  Gamma 30-50 API ROP 70 ft/hr Lithology Sandstone
Base Target  Gamma 60-90 API ROP 25-40 ft/hr Lithology Sandstone/Siltstone
Three Forks Gamma 100+ API ROP 20-30 ft/hr Lithology Shale
<ul><li>Linseth 4-8H, McKenzie Co. </li></ul><ul><ul><li>Lower lateral, 373 BOPD </li></ul></ul><ul><ul><li>Upper lateral,...
<ul><li>July 2010 – 321,042 BOPD </li></ul><ul><li>July 2010 – 320,371 MCF/D </li></ul><ul><li>5,051 Producing Wells </li>...
<ul><li>Is the Three Forks/Sanish a separate reservoir from the Middle Bakken? </li></ul><ul><li>Do hydraulic fractures re...
<ul><li>ND Research – study in currently drilling wells to determine fracture stimulation growth – continued research frac...
<ul><li>Did we miss the Bakken and Three Forks all the years we’ve been drilling? </li></ul><ul><li>Technology made the Ba...
N742 EN Will Trust C
<ul><li>Neset Consulting Service Inc. </li></ul><ul><li>North Dakota Department of Mineral Resources Newsletter; Volume 35...
<ul><li>Widespread Bakken deposits </li></ul><ul><li>Phase I – initial drilling – define limits of pay </li></ul><ul><li>P...
Phase I Phase III
 
 
<ul><li>Five wells drilled – 1 in 1953, 2 in 1964, 1 in 1966, and 1 in 1971. </li></ul><ul><li>Approximately 3400’. </li><...
<ul><li>22 stage frac </li></ul><ul><li>27,652 bbls water </li></ul><ul><li>2.5 million bls proppant </li></ul><ul><li>SHD...
<ul><li>Planning – housing Phases. </li></ul><ul><li>Education – understanding oil industry. </li></ul><ul><li>Youth – div...
 
 
 
Paving  $1,000,000 / mile Graveling  $3600 /mile Rebuild Gravel Road  $300,000/mile
 
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Kathy Nesset

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Kathy Nesset

  1. 1. Presented by: Kathleen Neset Wellsite Geology and Mudlogging
  2. 3. <ul><li>Geologist and mudlogger work 12 hr shifts </li></ul><ul><li>Geologist: 1 st in command of wellsite mudlogging operations </li></ul><ul><ul><li>B.S. in Geology </li></ul></ul><ul><li>Mudlogging – geologic report </li></ul><ul><li>Correlations – interpretations </li></ul><ul><li>Communications on rig to office </li></ul><ul><li>Compile data and interpret </li></ul><ul><li>Land & Geosteer Horizontal Wells </li></ul>
  3. 4. <ul><li>Mudlogger: No specific education required </li></ul><ul><li>Provides general mudlogging labor </li></ul><ul><ul><li>Wash, evaluate, and catalogue samples </li></ul></ul><ul><ul><li>Gas analysis </li></ul></ul><ul><ul><li>Directional survey/gamma import </li></ul></ul>
  4. 8. Divide McKenzie Williams Burke Mountrail Ward Bottineau Renville McHenry McLean Dunn Stark Billings Oliver Northern Play Southern Play Bakken Areas of Interest
  5. 9. Bakken Formation Middle Member Contour Interval 5 ft
  6. 10. <ul><li>North Dakota Stratigraphic Column </li></ul><ul><li>Bakken Formation </li></ul><ul><li>~360 Million Years Old </li></ul><ul><li>Paleozoic Era </li></ul><ul><li>Mississippian/Devonian Period </li></ul><ul><li>~110’ thick </li></ul><ul><li>Three Forks/Sanish </li></ul><ul><li>~370 Million Years Old </li></ul><ul><li>Paleozoic Era </li></ul><ul><li>Devonian Period </li></ul><ul><li>~240’ thick </li></ul>Bakken Three Forks
  7. 11. Stratigraphy Three Forks Formation Bakken Formation Lodgepole Formation lower middle upper Pelmatozoan limestone “ False Bakken” Devonian Mississippian “ Sanish”
  8. 12. GR Res
  9. 13. Lithofacies 7 - Siltstone Lithofacies 4 – Interbedded Dark Grey Shale and Buff Silty Sandstone Lithofacies 3 - Sandstone Lithofacies 2 – Interbedded Dark Grey Shale and Buff Silty Sandstone Lithofacies 1 - Siltstone (From LeFever and others, 1991) Lower Shale Upper Shale Lithofacies of the Middle Member
  10. 14. Hot Gamma ROP Increase Gas Increase Density – Neutron Crossover ROP Increase Gas Increase Clean Gamma ROP Increase Hot Gamma
  11. 15. <ul><li>Mudloggers work closely with directional drillers </li></ul>
  12. 17. Drillpipe Non-magnetic Drill Collar Bent Sub Mud Motor Rotating Sub
  13. 19. HS (0) 90R 90L 45R 45L 135R 135L 180 (LS)
  14. 20. <ul><li>North Dakota Stratigraphic Column </li></ul><ul><li>Bakken Formation </li></ul><ul><li>~360 Million Years Old </li></ul><ul><li>Paleozoic Era </li></ul><ul><li>Mississippian/Devonian Period </li></ul><ul><li>~110’ thick </li></ul><ul><li>Three Forks/Sanish </li></ul><ul><li>~370 Million Years Old </li></ul><ul><li>Paleozoic Era </li></ul><ul><li>Devonian Period </li></ul><ul><li>~240’ thick </li></ul>Bakken Three Forks/Sanish
  15. 22. Target Upper SS Middle Stringer Base Target Lower Bakken Shale Three Forks
  16. 23. Upper SS Gamma 60-80 API ROP 30-60 ft/hr Lithology Sandstone
  17. 24. Middle Stringer Gamma 90-100+ API ROP 50 ft/hr Lithology Shale
  18. 25. Target Gamma 30-50 API ROP 70 ft/hr Lithology Sandstone
  19. 26. Base Target Gamma 60-90 API ROP 25-40 ft/hr Lithology Sandstone/Siltstone
  20. 27. Three Forks Gamma 100+ API ROP 20-30 ft/hr Lithology Shale
  21. 28. <ul><li>Linseth 4-8H, McKenzie Co. </li></ul><ul><ul><li>Lower lateral, 373 BOPD </li></ul></ul><ul><ul><li>Upper lateral, 196 BOPD </li></ul></ul>
  22. 29. <ul><li>July 2010 – 321,042 BOPD </li></ul><ul><li>July 2010 – 320,371 MCF/D </li></ul><ul><li>5,051 Producing Wells </li></ul>
  23. 30. <ul><li>Is the Three Forks/Sanish a separate reservoir from the Middle Bakken? </li></ul><ul><li>Do hydraulic fractures reach between the two formations?? </li></ul><ul><li>Do the two formations communicate at all? </li></ul>
  24. 31. <ul><li>ND Research – study in currently drilling wells to determine fracture stimulation growth – continued research frac methods. </li></ul><ul><li>Very early in learning Bakken/Sanish. </li></ul><ul><li>Bottineau County – Spearfish & Three Forks. </li></ul><ul><li>Request update study by USGS. </li></ul>
  25. 32. <ul><li>Did we miss the Bakken and Three Forks all the years we’ve been drilling? </li></ul><ul><li>Technology made the Bakken work! </li></ul><ul><li>How far out do fracs reach? </li></ul>
  26. 33. N742 EN Will Trust C
  27. 34. <ul><li>Neset Consulting Service Inc. </li></ul><ul><li>North Dakota Department of Mineral Resources Newsletter; Volume 35 No. 2 </li></ul><ul><li>NDPC Newsletter </li></ul>
  28. 35. <ul><li>Widespread Bakken deposits </li></ul><ul><li>Phase I – initial drilling – define limits of pay </li></ul><ul><li>Phase II – development drilling – hold leases </li></ul><ul><li>Phase III – infill drilling – multipad drilling </li></ul><ul><li>Phase IV – secondary & tertiary recovery </li></ul>
  29. 36. Phase I Phase III
  30. 39. <ul><li>Five wells drilled – 1 in 1953, 2 in 1964, 1 in 1966, and 1 in 1971. </li></ul><ul><li>Approximately 3400’. </li></ul><ul><li>4 Madison, 1 Lodgepole formation. </li></ul><ul><li>1 Drill stem test recovered salt water from Madison formation. </li></ul><ul><li>All dry hole status. </li></ul>
  31. 40. <ul><li>22 stage frac </li></ul><ul><li>27,652 bbls water </li></ul><ul><li>2.5 million bls proppant </li></ul><ul><li>SHD Simba is T150N R90W and on eastern edge of Bakken producing wells. </li></ul>
  32. 41. <ul><li>Planning – housing Phases. </li></ul><ul><li>Education – understanding oil industry. </li></ul><ul><li>Youth – diverse group – reach out to the youth and the parents will come along! </li></ul><ul><li>Ag mediation services. </li></ul>
  33. 45. Paving $1,000,000 / mile Graveling $3600 /mile Rebuild Gravel Road $300,000/mile

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