ߧ ֧ӧ֧ߧ

ߧ ֧ӧ֧ߧ
ߧ֧ߧߧ ڧӧӧҧӧ ӧݧ֧ ߧ֧ҧէڧާ ڧߧާ֧ߧ, ڧӧ֧ߧߧ ֧اէߧѧէߧ ѧڧѧڧ ҧӧ էէڧܧ (IADC) ҧӧ ѧҧ. ԧէ ߧѧ ӧݧ֧ ݧڧݧ ӧ ӧ֧ާ ҧ֧ߧڧ ڧߧާ֧ߧ ӧէ ڧ ӧ֧ڧ, ӧߧ ڧӧӧҧӧ ߧ֧ҧէڧ, ާ ҧڧݧߧ ҧ ܧѧ ާاߧ ҧݧ ӧӧէڧ ӧ֧ڧ ߧӧ. ߧ֧ߧߧ ڧӧӧҧӧ ߧ ڧߧܧ 1 ӧݧ֧ ӧ ѧ٧ѧҧѧߧߧ էܧ, ܧ ҧ ڧݧ٧ӧѧ էݧ ٧ѧާ֧ߧ ڧާߧ էܧڧ ڧݧ٧֧ ߧ֧ܧ ܧߧ ߧ֧ߧ ާ֧اէ֧ߧڧ ڧѧ. ݧ ڧѧߧڧ ڧݧ٧ ֧ҧڧ֧ݧާ, ݧߧ էܧѧ٧ѧ, ҧ֧ߧߧ ڧ֧ݧӧ էݧ էܧ էԧߧѧ ߧ ާ֧اէߧѧէߧ ӧߧ.

 

֧ߧڧ֧ܧڧ ѧѧܧ֧ڧڧܧ

էܧݧ֧ߧڧ

O.D.(in)

I.D.(in)

էݧڧߧ(in)

2 3/8 IF

3 3/8~3 3/4

1 1/2

26

2 7/8 IF

4 1/8~4 1/4

1 3/4

28~30

3 1/2 IF

4 3/4~5 1/4

2

30~31

4 IF

6 1/4~6 3/4

2 1/2

33~34

4 1/2IF

6 3/8~7

2 13/16

33~34

5 1/2FH

7~7 1/2

2 13/16

33~34

6 5/8REG

8

2 13/16

34

7 5/8REG

9 1/2

2 13/16

34