Shanxi North Fenglei Industry Group Co.,Ltd.-Drill collar-Detailed Data
Slips and elevators recesses
|
 Slips and elevators recesses
Slip and elevator recesses, which are machined in accordance with API Spec 7-1 and RP 7G latest edition, are optional on SFMC drill collars. Slip and elevator recesses can be used together or separately.
Groove size
|
OD
|
10
|
9 3/4
|
9 1/2
|
9
|
8 1/2
|
8
|
7 3/4
|
7 1/2
|
7 1/4
|
7
|
6 3/4
|
6 1/2
|
6 1/4
|
6
|
5 3/4
|
4 3/4
|
4 1/8
|
|
A
|
9 1/8
|
8 7/8
|
8 5/8
|
8 1/8
|
7 3/4
|
7 1/4
|
7
|
6 3/4
|
6 1/2
|
6 1/4
|
6
|
5 7/8
|
5 5/8
|
5 3/8
|
5 1/8
|
4 1/4
|
3 11/16
|
|
B
|
9 1/2
|
9 1/4
|
9
|
8 1/2
|
8
|
7 1/2
|
7 1/4
|
7
|
6 3/4
|
6 1/2
|
6 1/4
|
6
|
5 3/4
|
5 3/4
|
5 1/4
|
4 3/8
|
3 3/4
|
|
R
|
1/4
|
1/4
|
1/4
|
1/4
|
3/16
|
3/16
|
3/16
|
3/16
|
3/16
|
3/16
|
3/16
|
1/8
|
1/8
|
1/8
|
1/8
|
1/8
|
1/8
|
|
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