Stop Collar with hinge Bolt
AZM Oilfield’s brand Hinged Bolted Stop Collar is an economical collar suitable for subcritical annular tolerances. The stop collars can be installed on any position on the casing to limit the axial movement of centralizers and cement baskets. Available in the size range 3½ ” to 20″, it has a cross bolt design which makes it an efficient and user-friendly device.
Stop Collar with Spiral Nails
AZM Offers Stop Collars with spiral nails , these are easy to use Stop collars where spiral nails are used to hold the stop collars in place, for smaller size two nails are used and for bigeer size four nails are used to hold the stop collar
available from 41/2″ to 24″
Stop Collar hinged with Set Screw
Hinged and Set screw stop collars are easy to use stop collars that are mainly used in combination with SEmi Rigid Centralizers ,these offer excellant holding force due to set screw and are easy to install on rig due to hinge conatrsuction. available in all sizes
Stop Collar Slip on bevelled
AZM Offers slip on stoip collars which are one of the most robust stop collars which are slip on type and holding mechanism is through set screws, by increasing the size and number of screws holding force can be increased of decreased these are mainly used with solid centralizers where casing strings are supposed to be rotated or reciprocated.
Available in 2 7/8″ to 30″
Scratcher
Consists of loop wire cables of tempered steel laced into a collar, these wipers clean the well bore efficiently by permitting removed filter cake to pass thereby providing excellent reinforcement to the cement column especially under close spacing.