مته های حفاری
TRANSCRIPT
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1
2
3
T u r b o d r i l l
4
1Drill collars
2Cutting
3 Rotary table
4Drill pipe
5
6
7
5
----
6Round trip
7
8
8Bit design
offset
offset
offset
9
10
9Jet bits
10Tricones
11
12Roller Cone Bits
--
13Rock Bits
1415
– 16
Drag
Bits
11
Drill string 12
Roller cutter bits 13
Milled tooth 14
Button bits 15
Tungsten carbide insert 16
Fixed cutter bits
17
18
19
20
21
.
.
Bourgoyne, A. T., Chenevert, M. E., Millheim, K. K., Young, F.
S‘’Applied Drilling Engineering’’ SPE Textbook Series 1986.
17
Fixed cutter bits 18
Steel cutterorFish tail 19
Natural diamond bits 20
Polycrystalline Diamond Compact bits(PDC) 21
Thermally Stable Polycrystalline bits(TSP)