Improved slick line system with real-time surface display

Improved slips

Improved slurrified heavy oil recovery process

Improved sonde housing structure

Improved spindle for mud pulse telemetry applications

Improved steerable drilling system and method

Improved stuffing box for pump drive head of oil well

Improved sub-sea test tree apparatus

Improved submersible pump motor cooling through external oil...

Improved subsurface safety valve

Improved sucker rod guide bearing

Improved surface controlled subsurface safety valve downstop...

Improved system and method for deploying optical fiber in a...

Improved system and method for stimulating multiple...

Improved system, method and apparatus for production of...

Improved thru tubing whipstock and method

Improved traction control for downhole tractor

Improved transmission element for downhole drilling components

Improved travelling valve for a pumping apparatus

Improved tree plug