Statements (13)
Predicate | Object |
---|---|
gptkbp:instanceOf |
industrial equipment
|
gptkbp:function |
transmit rotary motion to the drill string
|
https://www.w3.org/2000/01/rdf-schema#label |
Kelly (drilling)
|
gptkbp:locatedIn |
top of the drill string
|
gptkbp:material |
gptkb:steel
|
gptkbp:namedAfter |
W. C. Kelly
|
gptkbp:partOf |
rotary table system
|
gptkbp:replacedBy |
top drive
|
gptkbp:shape |
gptkb:public_square
hexagonal |
gptkbp:usedIn |
oil well drilling
|
gptkbp:bfsParent |
gptkb:Kelly_belt
|
gptkbp:bfsLayer |
8
|