Tungsten Carbide Tooth Steel Tooth Series KUST Bit Selection 2 Formation type 3 Bearing/Gauge 4 (unrequired) Additional features 1 2 3 4 5 6 7 1 A Air application (journal bearing with air nozzles) 2 Soft B Special bearing seal 4 1 C Center jet 2 2 Medium 3 4 1 2 3 Hard 3 4 1 2 Soft 3 4 1 5 Soft to medium 2 3 4 1 2 6 Medium 3 4 1 Standard open roller bearing Standard open roller bearing, air-cooled Standard open roller bearing with gauge protection Sealed roller bearing Sealed roller bearing with gauge protection Sealed friction bearing Sealed friction bearing with gauge protection D Deviation control HG Н J L Lug pads M Motor application S Standard steel tooth model T Two cone W Enhanced cutting structure E Extended jets (full length) Extra gauge/body protection Horizontal/steering application Jet deflection 2 7 Hard 3 Predominantly chisel tooth inserts 4 1 2 8 Very hard 3 Y Predominantly conical inserts Z Other shape inserts 4 KUST Bit Selection 2 Bit body Formation type Very soft Soft Soft to medium The below table is used for PDC bits classification: Medium no code 5 S-steel Medium hard 6 M-matrix Hard 7 D-diamond Extremely hard Natural diamond 234 19 Size of PDC cutters Bit profile 1 2 3 4 1 2 3 4 1 Diamond cutters type Thermally stable (TSP) Combination Impregnated diamond ει 8 Short fishtail Short profile Medium profile Long profile 4
Tungsten Carbide Tooth Steel Tooth Series KUST Bit Selection 2 Formation type 3 Bearing/Gauge 4 (unrequired) Additional features 1 2 3 4 5 6 7 1 A Air application (journal bearing with air nozzles) 2 Soft B Special bearing seal 4 1 C Center jet 2 2 Medium 3 4 1 2 3 Hard 3 4 1 2 Soft 3 4 1 5 Soft to medium 2 3 4 1 2 6 Medium 3 4 1 Standard open roller bearing Standard open roller bearing, air-cooled Standard open roller bearing with gauge protection Sealed roller bearing Sealed roller bearing with gauge protection Sealed friction bearing Sealed friction bearing with gauge protection D Deviation control HG Н J L Lug pads M Motor application S Standard steel tooth model T Two cone W Enhanced cutting structure E Extended jets (full length) Extra gauge/body protection Horizontal/steering application Jet deflection 2 7 Hard 3 Predominantly chisel tooth inserts 4 1 2 8 Very hard 3 Y Predominantly conical inserts Z Other shape inserts 4 KUST Bit Selection 2 Bit body Formation type Very soft Soft Soft to medium The below table is used for PDC bits classification: Medium no code 5 S-steel Medium hard 6 M-matrix Hard 7 D-diamond Extremely hard Natural diamond 234 19 Size of PDC cutters Bit profile 1 2 3 4 1 2 3 4 1 Diamond cutters type Thermally stable (TSP) Combination Impregnated diamond ει 8 Short fishtail Short profile Medium profile Long profile 4
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
IADC classification (4-1-4-T) refers to what kind of a bit?
IADC classification (D-7-1- 4) refers to what kind of a bit?
Transcribed Image Text:Tungsten Carbide Tooth
Steel Tooth
Series
KUST
Bit Selection
2
Formation type
3
Bearing/Gauge
4 (unrequired)
Additional features
1
2 3
4 5 6 7
1
A
Air application (journal bearing with air nozzles)
2
Soft
B
Special bearing seal
4
1
C
Center jet
2
2
Medium
3
4
1
2
3
Hard
3
4
1
2
Soft
3
4
1
5
Soft to
medium
2
3
4
1
2
6
Medium
3
4
1
Standard open roller bearing
Standard open roller bearing, air-cooled
Standard open roller bearing with gauge protection
Sealed roller bearing
Sealed roller bearing with gauge protection
Sealed friction bearing
Sealed friction bearing with gauge protection
D
Deviation control
HG
Н
J
L
Lug pads
M
Motor application
S
Standard steel tooth model
T
Two cone
W
Enhanced cutting structure
E
Extended jets (full length)
Extra gauge/body protection
Horizontal/steering application
Jet deflection
2
7
Hard
3
Predominantly chisel tooth inserts
4
1
2
8
Very hard
3
Y
Predominantly conical inserts
Z
Other shape inserts
4
Transcribed Image Text:KUST
Bit Selection
2
Bit body
Formation type
Very soft
Soft
Soft to medium
The below table is used for PDC bits classification:
Medium
no code
5
S-steel
Medium hard
6
M-matrix
Hard
7
D-diamond
Extremely hard
Natural diamond
234
19
Size of PDC cutters
Bit profile
1
2
3
4
1
2
3
4
1
Diamond cutters type
Thermally
stable (TSP)
Combination
Impregnated
diamond
ει
8
Short fishtail
Short profile
Medium profile
Long profile
4
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