Drill Collars
A component of the Bottom Hole Assembly that provides weight on bit for drilling. Tasman can provide drill collars with a range of specifications. Slick or Spiral Type (to reduce differential sticking) with slip recesses. Our range consists of 2.1/2″ OD to 9.5/8″ OD up to 31ft and have API connections machined with Boreback and Relief Grooves as standard. These can be provided in both Alloy Steel and Non Magnetic Stainless Steel.
Non Magnetic Drill Collar
Steel Drill Collar (Spiral)
Steel Drill Collar (Slick)
Applications
Drilling at extreme compression, torsion and bending stresses. The Tasman Spiral Drill Collar is best suited for extreme drilling applications.
*Technical Data Sheets are available upon request.