Shear/seal ram assembly for a ram-type blowout prevention...

Sheave drive assembly for flexible production tubing

Shock absorber & Wiper

Short wellhead plug

Skate roller bearing for coiled tubing

Slim-bore tubing hanger

Slip stream device

Slip type casing hanger with integral high pressure...

Slurry concentrator

Small footprint drilling rig

Snubber spool with detachable base plates

Snubbing unit drilling system

Snubbing unit tong apparatus

Solid rubber packer for a rotating control device

Sphere launcher

Spider with discrete die supports

Spill collection system for wellheads

Spill container for wells with improved mounting

Spillproof oil well seal

Split base plate assembly for multiple completion wellheads