Dry tree subsea well communications apparatus using variable...
Dual bore riser
Dual casing hanger
Dual concentric string high pressure riser
Dual radially locked subsea housing
Dual-BOP and common riser system
Dual-type plug for wellhead
Dynamically positioned, concentric riser, drilling method...
Elastomeric passive tensioner for oil well risers
Electric power pack for subsea wellhead hydraulic tools
Electrical submersible pumps in the riser section of subsea...
Emergency recovery system for use in a subsea environment
Emergency well kill method
Engageable metal seal pressure balanced stab
Environmental protection for subsea wells
Equipment for oil well drilling and completing operations in dee
Expandable tank for separating particulate material from drillin
Extendable semi-clustered subsea development system
External high pressure fluid reservoir for riser tensioner...
External tie-back connector