Products Category
DRILL COLLAR-STANDARD AND SPIRAL
2014-10-30 Browse:1436times
● Connections are phosphate coated after machining to protect the threads from corrosive elements and to prevent galling upon initial make-up;
● Thread roots are cold rolled on API and H-90 connections;
● Pressed steel thread protectors are supplied for all drill collar that are equipped with standard connections
When ordering please specify:
● Drill collar OD and ID;
● Overall length;
● Connections required (size and type);
● Special features desired, for example: Slick or Spiral;
Stress Relief Features;
Slip and/or Elevator Recess; Hardbanding;
Specifications - Drill Collar
