Application 1) To find the correct depth of fish.2) To know the shape of fish top. 3) To check the deformed shape of internal diameter of casing. The impression block are available in flat-bottom type and conical type.
Technical parameters and specifications
Specification(mm) |
O.D. of body (mm) |
Thread type |
I.D. (mm) |
Length(mm) |
Total Length(mm) |
270 |
203 |
6 5/8REG |
40 |
180 |
450 |
225 |
165 |
4 1/2IF |
40 |
160 |
400 |
195 |
159 |
4IF |
30 |
150 |
350 |
170 |
121 |
3 1/2IF |
30 |
150 |
300 |
120 |
105 |
2 7/8IF |
20 |
100 |
300 |
10 |
89 |
2 1/2ZG |
20 |
100 |
250 | |