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|
Casing Dia.
|
Bolts NO.
|
Casing THK
|
Weight(1m)
|
Weight(2m)
|
Weight(3m)
|
Weight(4m)
|
Weight(5m)
|
|
620-540
|
8
|
40
|
527
|
795
|
1063
|
1331
|
1599
|
|
750-670
|
10
|
40
|
629
|
957
|
1284
|
1612
|
1939
|
|
880-800
|
10
|
40
|
751
|
1138
|
1525
|
1912
|
2299
|
|
1000-920
|
10
|
40
|
850
|
1292
|
1734
|
2176
|
2618
|
|
1180-1100
|
12
|
40
|
909
|
1433
|
1958
|
2483
|
3007
|
The full set casing device include the casing drive, casing adapter(twister),casings, casing shoes, joints and wearing parts like the casing teeth.The casing are use to perform cased holes in the bore piling works by rotary drilling rig. The casing joints is designed to guarantee best force transmission efficiency as well as a fast replacement and bolting.Single-walled casings can be used for applications where weight reduction is important.
