Locking mandrel for a well flow conductor
Magnetic slip retention for downhole tool
Mandrel operated torque anchor
Method and apparatus for anchoring tool in borehole conduit
Multiple position service seal unit with positive position indic
Multiple purpose liner hanger construction
No-go bomb hanger
Parking mandrel
Parking tool for pumpdown well completion system
Reset and pulling tool for manipulating well safety valve
Selective running tool for wells
Self-adjusting centralizer
Shearable no go insert for a well lock
Sleeve detent latch means for well apparatus
Slip having passageway for lines therethrough
Slip mechanism for a well tool
System for securing an item in a tubular channel in a wellbore
Tubing string anchoring tool
Wear-resistant, variable diameter expansion tool and...
Wedge-set sealing flap for use in subterranean wellbores