Dispositif pour la manutention d'elements allonges
Dispositif pour la traction en continu d'un element allonge
Dispositif pour repecher dans un puits un element allonge,...
Dispositif pour repecher dans un puits une section de...
Dissemination of wetting agents
Dissolution of potassium chloride ores in solution mining
Dissolvable downhole tool, method of making and using
Dissolvable downhole trigger device
Dissolvable release mechanism for travel joints and method
Dissolving filter cake
Dissolving siliceous materials with self-acidifying liquid
Distance determination from a magnetically patterned target...
Distance holder with helical slot
Distance holder with jet deflector
Distributed intelligence for enhanced monitoring and control...
Distributed sensors for dynamics modeling
Distribution unit for pitless wells
Ditch cleaners or trenchers
Ditching and earth-moving machine
Divergent bean for drilling tools; tool using said bean