It makes the casing centralized in wellbore and improves cementing quality.
Features:
1.Spiral blades increase annular turbulence.
2.With its stream-lined shape,it enables casing to run easily in wellbore.
Specification |
type |
OD(mm) |
ID(mm) |
Length(mm) |
YDGF—41/2in×6in |
I、II、III |
145 |
116.5 |
200 |
YDGF—5in×6in |
I、II、III |
145 |
129 |
200 |
YDGF—5 1/2in×8 1/2in |
I、II、III |
205-210 |
142 |
200/300 |
YDGF—6 5/8in×8 1/2in |
I、II、III |
205-210 |
171 |
200/300 |
YDGF—7in×8 1/2 in |
I、II、III |
205-210 |
181 |
200/300 |
YDGF—7in×9 1/2in |
I、II、III |
225-235 |
181 |
200/300 |
YDGF—7in×9 5/8in |
I、II、III |
225-235 |
181 |
200/300 |
YDGF—9 5/8in×12 1/4in |
I、II、III |
300-305 |
248 |
200 |
YDGF—13 3/8in×17 1/2in |
I、II、III |
430-435 |
346 |
200 |