Safety valve installed below an activation pump in a hydrocarbon
Sand recovery unit
Sand release apparatus for a pump
Sand separating, producing-well accessory
Sand shield for bottom hole pumps
Scavenger system and electrical submersible pumps (ESP's)
Self actuated intake valve assembly for inlet subsurface recipro
Slickline conveyed debris management system
Spacer for deep wells
Swab cup and swab assembly
Swabbing tool for wells
Swivel bar apparatus for use with steel and other types of sucke
Swivel connector