Results 291 to 297 of about 235,371 (297)

Drilling with concentric strings of casing

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

The analysis of drill string dynamics for extra-deep wells based on successive over-relaxation node iteration method

Petroleum Science
exaly  

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