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1 Drilling and Wells Geology 210 Kent E. Parrish, P.G., C.Hg URS Corporation October 29, 2009.

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Presentation on theme: "1 Drilling and Wells Geology 210 Kent E. Parrish, P.G., C.Hg URS Corporation October 29, 2009."— Presentation transcript:

1 1 Drilling and Wells Geology 210 Kent E. Parrish, P.G., C.Hg URS Corporation October 29, 2009

2 2 Lecture Outline Safety First! Drilling Techniques Logging Techniques Well Design Well Construction Multiple Well Screens Summary

3 3 Safety First! Taligate safety meeting Safety controls the job

4 Drilling Techniques 4 Define use Understand subsurface Choose appropriate technique

5 5 Drilling Techniques Solid flight auger Driscoll, 1986

6 6 Drilling Techniques Bucket auger Driscoll, 1986

7 7 Drilling Techniques Cable tool rig Driscoll, 1986

8 8 Drilling Techniques Cable tool rig Driscoll, 1986

9 9 Drilling Techniques Dart bailer Driscoll, 1986

10 10 Drilling Techniques Bottom flap bailer Driscoll, 1986

11 11 Drilling Techniques Air rotary drilling Driscoll, 1986

12 12 Drilling Techniques Air rotary clyclone Driscoll, 1986

13 13 Drilling Techniques Casing hammer Driscoll, 1986

14 14 Drilling Techniques Conventional rotary drill rig Driscoll, 1986

15 15 Drilling Techniques Mud pit Driscoll, 1986

16 16 Drilling Techniques Dual tube reverse rotary drilling Driscoll, 1986

17 17 Drilling Techniques Drill collar stabilizer Driscoll, 1986

18 18 Drilling Techniques Drag bit Driscoll, 1986

19 19 Drilling Techniques Tricone rotary tooth bit Driscoll, 1986

20 20 Drilling Techniques Reaming bits Driscoll, 1986

21 21 Drilling Techniques Fishing tools Driscoll, 1986

22 22 Logging Techniques

23 23 Lithologic Geophysical Video

24 Logging Techniques 24 Lithologic logging

25 25 Lithologic borehole log

26 26 Geophysical log Rosco Moss Company, 1990

27 27 Video

28 28 Well Design

29 29 Purpose of well Water Supply Contaminant Extraction Monitoring Injection Vadose Zone Monitoring Soil Vapor Extraction

30 Vital Things to Supply Well Design Casing and Borehole Designed from the Inside-Out – Purpose of the Well – Pump Size – Casing & Screen Diameter – Annulus Tubing String and Material Needs – Borehole Size – Surface Casing Size – Surface Borehole Diameter Screen and Filter Pack Designed from Outside-In – Sieve Analysis – Filter Pack – Well Screen URS

31 Well Design 31 Rosco Moss Company, 1990

32 Well Design 32 Rosco Moss Company, 1990

33 Well Design 33 Rosco Moss Company, 1990

34 Well Design 34 Rosco Moss Company, 1990

35 Well Design 35 Rosco Moss Company, 1990

36 36 Well Construction URS

37 Well Design 37 Rosco Moss Company, 1990

38 Well Design 38 Rosco Moss Company, 1990

39 39 Rosco Moss Company, 1990

40 Well Design 40 Rosco Moss Company, 1990

41 Well Design 41 Rosco Moss Company, 1990

42 Well Design 42 Rosco Moss Company, 1990

43 Well Design 43 Rosco Moss Company, 1990

44 Well Design 44 Rosco Moss Company, 1990

45 45 Multiple Monitoring Well Screens

46 46 Waterloo multiple ports Westbay multilevel well Multiple completion monitoring well Multiple Monitoring Well Screens

47 47 Westbay multilevel well Multiple Monitoring Well Screens system-well-completion

48 48 Rosco Moss Company, 1990 Multiple completion monitoring well

49 Well Design 49 URS Multiple completion monitoring well

50 Well Design 50 Rosco Moss Company, 1990 Nakamoto et al., 1986

51 Multiple Completion Monitoring Wells 51 Nakamoto et al., 1986

52 52 Multiple Completion Monitoring Wells Nakamoto et al., 1986

53 53 Summary Safety First! Always. Don’t compromise - ever Planning is key Write down what you are doing Be prepared Document the job Have fun!

54 54 References Driscoll, F.G., 1986, Groundwater and Wells, Johnson Division, St. Paul, MN, 1089 p. Nakamoto, D.B., F.R. McLaren, and P.J. Phillips, 1986, Multiple Completion Monitor Wells, Ground Water Monitoring and Remediation, Volume 6, Issue 2, p Rosco Moss Company, 1990 Handbook of Ground Water Development, John Wiley & Sons, Inc., New York, NY, 493 p.

55 55 Questions?


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