Elevator links (single-string)
Designed to hold casing string on the elevator by weight while drilling deep wells.
Attached to the hook block / top drive system of the unit.
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Single-string drilling links are a one-piece construction forged with special alloy steel of high strength and rigidity. They are used to suspend the casing string system when drilling deep wells.
Carrying capacity of single-string links corresponds to 75, 150, 250, 350, 500,750 tons.
Advantages:
- All links are seamless and undergo heat treatment and surface treatment, as well as strict control and testing by nondestructive method.
- They are characterized by resistance to abrasion, long service life, as well as simplicity and safety of operation.
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Type Nominal load Length, mm Size,
length x width x height, mmWeight, kg DH150 1350 1800 1980х270х100 60 DH250 2250 2700 2900х360х110 150 DH350 3150 3300 3500х386х130 226