Regulerbar henger- og tetningssammenstilling for indre stigerr samt en fremgangsmte for utve strekk p en foringsrrstrengAn inner riser adjustable hanger and seal assembly are provided for applying tension to a casing string secured at a lower end within a well and supported at an upper ...
Fluid pressure to set the seal assembly may be applied to the setting piston through an annulus about the running string, and may also act directly on an initially set seal assembly 20.REIMERT, LARRY E
The deflector is installed for angular adjustment about a horizontal axis to a number of different positions correlated with both the height difference between the tractor cab and trailer roofs and the distance between the rear of the cab and the front of the trailer, and so that the base ...