Based on the installation place, this stabilizer may be divided into two types: the drilling
string type and the bottom hole type. This product is built with inserted round carbide
in spiral ribs. They are characterized by high hardness, good toughness and wear resistance,
as well as long service life
Applicable documents: SY5051-91
the type and main parameter
|
mm O.D. of working |
O.D. at each end |
Available diameter of the drilling bit mm(in) |
Connection of |
Connection of |
|||
|
O.D.mm |
Code |
upper end |
lower end |
upper end |
Lower end |
||
|
120、118、116 |
105 |
3 |
121.4(4 3/4) |
Nc31 |
2 7/8REG |
Nc31 |
Nc31 |
|
158.7、158、157 |
121 |
4 |
158.7(6 1/4) |
Nc38 |
3 1/2REG |
Nc38 |
Nc38 |
|
190.5、190、189 |
159 |
6 |
190.5(7 1/2) |
Nc46 |
4 1/2REG |
Nc46 |
Nc46 |
|
215.9、215、214 |
215.9(8 1/2) |
||||||
|
190.5、190、189 |
178 |
7 |
190.5(7 1/2) |
Nc50 |
4 1/2REG |
Nc50 |
Nc50 |
|
215.9、215、214 |
215.9(8 1/2) |
||||||
|
244.5、244、243 |
244.5(9 5/8) |
||||||
|
311.1、310、309 |
203 |
8 |
311.1(12 1/4) |
6 5/8REG |
6 5/8REG |
6 5/8REG |
6 5/8REG |
|
444.5、443、441 |
444.5(17 1/2) |
||||||
|
444.5、443、441 |
229 |
9 |
444.5(17 1/2) |
7 5/8REG |
7 5/8REG |
7 5/8REG |
7 5/8REG |
|
660.4、658、655 |
660.4(26) |
||||||
