CA2522568A1 - Drill bit - Google Patents

Drill bit Download PDF

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Publication number
CA2522568A1
CA2522568A1 CA002522568A CA2522568A CA2522568A1 CA 2522568 A1 CA2522568 A1 CA 2522568A1 CA 002522568 A CA002522568 A CA 002522568A CA 2522568 A CA2522568 A CA 2522568A CA 2522568 A1 CA2522568 A1 CA 2522568A1
Authority
CA
Canada
Prior art keywords
drill bit
solid material
material impactors
nozzle
side arm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002522568A
Other languages
French (fr)
Other versions
CA2522568C (en
Inventor
Gordon A. Tibbitts
Paul O. Padgett
Harry B. Curlett
Samuel R. Curlett
Nathan J. Harder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PDTI Holdings LLC
Original Assignee
Particle Drilling, Inc.
Gordon A. Tibbitts
Paul O. Padgett
Harry B. Curlett
Samuel R. Curlett
Nathan J. Harder
Particle Drilling Technologies, Inc.
Pdti Holdings, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Particle Drilling, Inc., Gordon A. Tibbitts, Paul O. Padgett, Harry B. Curlett, Samuel R. Curlett, Nathan J. Harder, Particle Drilling Technologies, Inc., Pdti Holdings, Llc filed Critical Particle Drilling, Inc.
Publication of CA2522568A1 publication Critical patent/CA2522568A1/en
Application granted granted Critical
Publication of CA2522568C publication Critical patent/CA2522568C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/16—Applying separate balls or pellets by the pressure of the drill, so-called shot-drilling

Abstract

A drill bit (10) for drilling a well bore (26) using solid material impactors comprising a nozzle (200) and a cavity (205) for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through the nozzle. The drill bit may also comprise a junk slot (204A) for return flow of the drilling fluid and solid material impactors.

Claims (76)

1. A drill bit for drilling a well bore using solid material impactors, said drill bit comprising:
a center portion comprising a center nozzle;
a side arm comprising a side arm nozzle;
a center cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said center nozzle; and a side arm cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said side arm nozzle.
2. The drill bit of claim 1 further comprising a junk slot for receiving flow of the solid material impactors after leaving said drill bit.
3. The drill bit of claim 2 further comprising a second junk slot for receiving flow of the solid material impactors after leaving said drill bit.
4. The drill bit of claim 1 further comprising mechanical cutters on the exterior surface of said side arm and said center portion.
5. The drill bit of claim 1 further comprising a mechanical cutter on the side wall of said drill bit.
6. The drill bit of claim 1 further comprising a gauge cutter.
7. The drill bit of claim 1 wherein said central portion comprises a breaker surface.
8. The drill bit of claim 7 wherein said breaker surface is conical in shape.
9. The drill bit of claim 7 wherein said breaker surface comprises a mechanical cutter.
10. The drill bit of claim 1 wherein said center nozzle and said side nozzle are oriented at angles to the longitudinal axis of said drill bit.
11. The drill bit of claim 1 wherein said center nozzle is offset from the longitudinal axis of said drill bit.
12. The drill bit of claim 1 wherein said side arm comprises a mechanical cutter and a groove for guiding the flow of the solid material impactors after leaving said drill bit.
13. The drill bit of claim 1 further comprising more than one side arm and more than one side nozzle.
14. The drill bit of claim 1 further comprising more than one center nozzle.
15. A method of drilling a well bore through a formation comprising:
flowing solid material impactors into a drill bit;
accelerating said solid material impactors as said solid material impactors flow through said drill bit; and contacting the formation with said accelerated solid material impactors after flowing through said drill bit.
16. The method of claim 15 further comprising accelerating said solid material impactors by flowing said solid material impactors through a cavity within said drill bit and out a nozzle.
17. The method of claim 16 further comprising:
flowing solid material impactors through a center cavity in a center portion of said drill bit and out a center nozzle; and flowing solid material impactors through a side arm cavity in a side arm of said drill bit and out a side arm nozzle.
18. The method of claim 15 further comprising flowing solid material impactors through a junk slot on the outer surface of said drill bit after contacting the formation.
19. The method of claim 18 further comprising flowing solid material impactors through a second junk slot on the outer surface of said drill bit after contacting the formation.
20. The method of claim 15 further comprising directing the flow of said solid material impactors from said drill bit at an angle to the longitudinal axis of said drill bit.
21. The method of claim 17 further comprising breaking apart the formation with mechanical cutters on said drill bit.
22. The method of claim 21 further comprising breaking apart the formation with mechanical cutters on said central portion, said side arm, and the side wall of said drill bit.
23. The method of claim 17 further comprising:
breaking apart the formation with mechanical cutters on said side arm; and flowing said solid material impactors through grooves in said side arm after leaving said drill bit.
24. A drill bit for drilling a well bore using solid material impactors, said drill bit comprising:
a central portion comprising a center nozzle;
a side arm comprising a side nozzle and a second side nozzle;

a central cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said center nozzle;
and a side cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said side nozzle and said second side nozzle.
25. The drill bit of claim 24 further comprising a junk slot for receiving flow of the solid material impactors after leaving said drill bit.
26. The drill bit of claim 25 further comprising a second junk slot for receiving flow of the solid material impactors after leaving said drill bit.
27. The drill bit of claim 24 further comprising mechanical cutters on the exterior surface of said side arm and said center portion.
28. The drill bit of claim 24 further comprising a mechanical cutter on the side wall of said drill bit.
29. The drill bit of claim 24 further comprising a gauge cutter.
30. The drill bit of claim 24 wherein said central portion comprises a breaker surface.
31. The drill bit of claim 30 wherein said breaker surface is conical in shape.
32. The drill bit of claim 30 wherein said breaker surface comprises a mechanical cutter.
33. The drill bit of claim 24 wherein said center nozzle, said side nozzle, and said second side nozzle are oriented at angles to the longitudinal axis of said drill bit.
34. The drill bit of claim 24 wherein said center nozzle is offset from the longitudinal axis of said drill bit.
35. The drill bit of claim 24 wherein said side arm comprises a mechanical cutter and a groove for guiding the flow of the solid material impactors after leaving said drill bit.
36. The drill bit of claim 24 further comprising more than one side arm and more than one side nozzle and second side nozzle.
37. The drill bit of claim 24 further comprising more than one center nozzle.
38. A method of drilling a well bore through a formation comprising:
flowing solid material impactors into a drill bit;
accelerating said solid material impactors as said solid material impactors flow through said drill bit by flowing said solid material impactors through a center cavity within a center portion of said drill bit and out a center nozzle and through a side arm cavity in a side arm of said drill bit and out a side nozzle and a second side nozzle;

contacting the formation with said accelerated solid material impactors after flowing through said drill bit.
39. The method of claim 38 further comprising flowing solid material impactors through a junk slot on the outer surface of said drill bit after contacting the formation.
40. The method of claim 39 further comprising flowing solid material impactors through a second junk slot on the outer surface of said drill bit after contacting the formation.
41. The method of claim 38 further comprising directing the flow of said solid material impactors from said drill bit at an angle to the longitudinal axis of said drill bit.
42. The method of claim 38 further comprising breaking apart the formation with mechanical cutters on said drill bit.
43. The method of claim 38 further comprising breaking apart the formation with mechanical cutters on said central portion, said side arm, and the side wall of said drill bit.
44. The method of claim 38 further comprising:
breaking apart the formation with mechanical cutters on said side arm; and flowing said solid material impactors through grooves in said side arm after leaving said drill bit.
45. A drill bit for drilling a well bore using solid material impactors, said drill bit comprising:
a central portion comprising a center nozzle;
a side arm comprising a side nozzle;
a second side arm comprising a second side nozzle;
a central cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said center nozzle;
a side cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said side nozzle; and a second side cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said second side nozzle.
46. The drill bit of claim 45 further comprising a junk slot for receiving flow of the solid material impactors after leaving said drill bit.
47. The drill bit of claim 46 further comprising a second junk slot for receiving flow of the solid material impactors after leaving said drill bit.
48. The drill bit of claim 45 further comprising mechanical cutters on the exterior surface of said side arm and said center portion.
49. The drill bit of claim 45 further comprising a mechanical cutter on the side wall of said drill bit.
50. The drill bit of claim 45 further comprising a gauge cutter.
51. The drill bit of claim 45 wherein said central portion comprises a breaker surface.
52. The drill bit of claim 51 wherein said breaker surface is conical in shape.
53. The drill bit of claim 51 wherein said breaker surface comprises a mechanical cutter.
54. The drill bit of claim 45 wherein said center nozzle, said side nozzle, and said second side nozzle are oriented at angles to the longitudinal axis of said drill bit.
55. The drill bit of claim 45 wherein said center nozzle is offset from the longitudinal axis of said drill bit.
56. The drill bit of claim 45 wherein said side arm comprises a mechanical cutter and a groove for guiding the flow of the solid material impactors after leaving said drill bit.
57. The drill bit of claim 45 further comprising more than one side arm and more than one side nozzle.
58. The drill bit of claim 45 further comprising more than one center nozzle.
59. A method of drilling a well bore through a formation comprising:
flowing solid material impactors into a drill bit;
accelerating said solid material impactors as said solid material impactors flow through said drill bit by flowing said solid material impactors through a center cavity within a center portion of said drill bit and out a center nozzle, through a side arm cavity in a side arm of said drill bit and out a side nozzle, and through a second side arm cavity in a second side arm and out a second side nozzle;
contacting the formation with said accelerated solid material impactors after flowing through said drill bit.
60. The method of claim 59 further comprising flowing solid material impactors through a junk slot on the outer surface of said drill bit after contacting the formation.
61. The method of claim 60 further comprising flowing solid material impactors through a second junk slot on the outer surface of said drill bit after contacting the formation.
62. The method of claim 59 further comprising directing the flow of said solid material impactors from said drill bit at an angle to the longitudinal axis of said drill bit.
63. The method of claim 59 further comprising breaking apart the formation with mechanical cutters on said drill bit.
64. The method of claim 59 further comprising breaking apart the formation with mechanical cutters on said central portion, said side arm, said second side arm, and the side wall of said drill bit.
65. The method of claim 59 further comprising:
breaking apart the formation with mechanical cutters on said side arm and said second side arm; and flowing said solid material impactors through grooves in said side arm and said second side arm after leaving said drill bit.
66. A drill bit for drilling a well bore using solid material impactors, said drill bit comprising:
a nozzle;
a cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said nozzle; and a junk slot for receiving flow of the solid material impactors after leaving said drill bit.
67. The drill bit of claim 66 further comprising mechanical cutters on the exterior surface of said drill bit.
68. The drill bit of claim 66 further comprising a gauge cutter.
69. The drill bit of claim 66 wherein said nozzle is oriented at an angle to the longitudinal axis of said drill bit.
70. The drill bit of claim 66 wherein said nozzle is offset from the longitudinal axis of said drill bit.
71. The drill bit of claim 66 further comprising:
a second nozzle and a second cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said second nozzle; and a second junk slot for receiving flow of the solid material impactors after leaving said drill bit.
72. The drill bit of claim 71 wherein at least one of said nozzle and said second nozzle is oriented at an angle to the longitudinal axis of said drill bit.
73. The drill bit of claim 71 wherein at least one of said nozzle and said second nozzle is offset from the longitudinal axis of said drill bit.
74. The drill bit of claim 66 further comprising:
more than two nozzles and more than two second cavities for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through said nozzles; and more than two junk slots for receiving flow of the solid material impactors after leaving said drill bit.
75. The drill bit of claim 74 wherein at least one nozzle is oriented at an angle to the longitudinal axis of said drill bit.
76. The drill bit of claim 74 wherein at least one nozzle is offset from the longitudinal axis of said drill bit.
CA2522568A 2003-04-16 2004-04-15 Drill bit Expired - Lifetime CA2522568C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46390303P 2003-04-16 2003-04-16
US60/463,903 2003-04-16
PCT/US2004/011578 WO2004094734A2 (en) 2003-04-16 2004-04-15 Drill bit

Publications (2)

Publication Number Publication Date
CA2522568A1 true CA2522568A1 (en) 2004-11-04
CA2522568C CA2522568C (en) 2011-11-08

Family

ID=33310838

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2522568A Expired - Lifetime CA2522568C (en) 2003-04-16 2004-04-15 Drill bit

Country Status (6)

Country Link
US (2) US7258176B2 (en)
EP (1) EP1616071B1 (en)
CA (1) CA2522568C (en)
DE (1) DE602004031205D1 (en)
NO (1) NO333751B1 (en)
WO (1) WO2004094734A2 (en)

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US7757786B2 (en) 2003-04-16 2010-07-20 Pdti Holdings, Llc Impact excavation system and method with injection system
US7798249B2 (en) 2003-04-16 2010-09-21 Pdti Holdings, Llc Impact excavation system and method with suspension flow control
US7909116B2 (en) 2003-04-16 2011-03-22 Pdti Holdings, Llc Impact excavation system and method with improved nozzle
US7980326B2 (en) 2007-11-15 2011-07-19 Pdti Holdings, Llc Method and system for controlling force in a down-hole drilling operation
US7987928B2 (en) 2007-10-09 2011-08-02 Pdti Holdings, Llc Injection system and method comprising an impactor motive device
US7997355B2 (en) 2004-07-22 2011-08-16 Pdti Holdings, Llc Apparatus for injecting impactors into a fluid stream using a screw extruder
US8037950B2 (en) 2008-02-01 2011-10-18 Pdti Holdings, Llc Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods
US8113300B2 (en) 2004-07-22 2012-02-14 Pdti Holdings, Llc Impact excavation system and method using a drill bit with junk slots
US8342265B2 (en) 2003-04-16 2013-01-01 Pdti Holdings, Llc Shot blocking using drilling mud
US8485279B2 (en) 2009-04-08 2013-07-16 Pdti Holdings, Llc Impactor excavation system having a drill bit discharging in a cross-over pattern

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DE602004031205D1 (en) 2011-03-10
CA2522568C (en) 2011-11-08
NO20055409L (en) 2005-11-15
EP1616071A4 (en) 2006-05-10
WO2004094734A3 (en) 2005-03-03
EP1616071B1 (en) 2011-01-26
WO2004094734A2 (en) 2004-11-04
US20060011386A1 (en) 2006-01-19
US7258176B2 (en) 2007-08-21
NO20055409D0 (en) 2005-11-15
US7909116B2 (en) 2011-03-22
EP1616071A2 (en) 2006-01-18
US20060027398A1 (en) 2006-02-09
NO333751B1 (en) 2013-09-09

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