Our replaceable sleeve stabilizer consists of an integral mandrel and a sleeve. One mandrel series can be equipped with different size of sleeves for different hole sizes. The sleeves are easily changed on the rig floor to match drilling conditions.
When ordering please specify:
● Mandrel series and sleeve O.D.;
● String or near bit application;
● Top and bottom connection;
● Hardfacing type.
Specifications – Sleeve
Hole Size (in.)
Mandrel Series
Drill Collar Size Range (in.)
Sleeve Length (in)
Recomm. Make-Up-Torque (ft-lb.)
8 1/2
62
6 1/4 - 6 3/4
14
4500~5400
65
6 1/2 - 7 3/4
3500~4500
8 3/4
9 7/8
19
12 1/4
77
7 3/4 - 8 1/4
22
6900~8000
85
8 1/2 - 9
8000~9000
96
9 - 10
10100~11900
14 3/4
23
17 1/2
27
24
26
28
Specifications –Mandrels
Sleeve Size Range (in.)
Fishing Neck Range (in.)
Upset O.D (in.)
Upset Length (in.)
Bottom Neck O.D (in.)
Overall Length (in.)
Fishing Neck Length (in.)
8 1/2 - 9 7/8
6 1/4-6 3/4
7 1/2
7 4/5
6 1/4
6 1/2-7 1/4
7 3/4
6 1/2
12 1/4 - 17 1/2
7 3/4-8 1/4
9 1/4
67
8 1/2-9
25
14 3/4 - 20
9 1/2-10
11
9 5/8
80
22 - 28
90