Geological drilling impregnated diamond core drill bits

    Advanges:

    1. Balance design makes the bit has good guidance, fit downhole motor used in directional drilling, with smaller radial vibration;

    2. Different structure of patent PDC composite in different position of reasonable decorate bit bit strong aggressive and abrasive resistance;

    3. Strong offensive design make bit can obtain the high rate of penetration;

    4. Dynamic flow field simulation technique is applied to hydraulic design, make the bottom hole flow field optimization, to improve chip removal rate and the balling.applied to hydraulic design, make the bottom hole flow field optimization, to improve chip removal rate and the 

Description:

Brief introduction:

Diamond core bit is a premium line of specific diamond bits which utilizes hot pressed segments. It’s mainly used for medium hard to hard and highly abrasive formations.

Parameter

ITEM

DIAMOND BIT

REAMING SHELL

"Q"
Series
Wireline

Size

Bit-set OD

Bit-set ID

mm

inch

mm

inch

   mm

 inch

AQ

47.60

1.88

26.97

1.06

48.00

1.89

BQ

59.50

2.35

36.40

1.43

59.90

2.36

NQ

75.30

2.97

47.60

1.88

75.70

2.98

HQ

95.58

3.77

63.50

2.50

96.00

3.78

PQ

122.00

4.80

84.96

3.35

122.60

4.83

Swedish
Metric
T2
Series

36

36.0

1.417

22.0

0.866

36.3

1.429

46

46.0

1.811

32.0

1.260

46.3

1.823

56

56.0

2.205

42.0

1.654

56.3

2.217

66

66.0

2.598

52.0

2.047

66.3

2.610

76

76.0

2.992

62.0

2.441

76.3

3.004

86

86.0

3.386

72.0

2.835

86.3

3.398

101

101.0

3.976

84.0

3.307

101.3

3.988

Swedish
T
Series

TAW

47.6

1.875

23.2

1.31

48.0

1.89

TBW

59.5

2.345

44.9

1.77

59.9

2.36

TNW

75.3

2.965

60.5

2.38

75.7

2.98

Ps: Special design is available upon your requirement.

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