Results 231 to 236 of about 584,502 (236)

Drilling with concentric strings of casing

2005
GALLOWAY GREGORY G, BRUNNERT DAVID J
openaire   +2 more sources

drill(ing) collar string

2014
openaire   +1 more source

Drilling string for drilling a bent bore, a method of using said string, and a bending device used in said string

1987
openaire   +1 more source

Drill string telemetry system

2005
openaire   +1 more source

FLEXIBLE DRILL STRING MEMBER

2004
openaire   +1 more source

Two string drilling system

2005
openaire   +1 more source