Rigmanufacturer

STOP COLLARS

Features:

  • The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.
  • The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.

Technical Parameters:

Specifications 13 3/8" 10 3/4" 9 5/8" 8 1/8" 7 5/8" 7" 5 1/2" 5" 4 1/2"
I.D.,mm 338 272 245 206 193 177 139 126 114
O.D.,mm 350 284 257 218 285 189 151 138 126
Holding Force ,KN 40 40 40 30 30 30 30 24 24

SCRATCHER

Features

The stractcher can be used to wipe the mud cake inside the upper casing and open hole and improve cementing.

Technical Parameters:

Casing Size 7" 5 1/2"
Open hole Size ,mm 215.9-222.2 184-215.9
Max O.D. ,mm 279 254
Stop collar
Stop collar
Stop collar
Stop collar