Collier d'arrêt
Glissement 4-1/2 de bâti de centralisateur de collier d'API On Set Screw Stop de gisement de pétrole » à 20"
Casting Slip 4-1/2" To 20", Slip On With Set Screws Stop Collar On Set Screw Stop Collar For Oilfield API Stop Collar STOP COLLAR ADVANTAGES AND MAIN FEATURES 1- limit the movement of centralizers on the pipe 2- manufactured to withstand high axial forces. 3- grip the casing centralizers and cement baskets in its intended locations and provide the desired standoff. 4-coated by powder baking or paint baking in high temperature to increase their corrosion and rust resistance
