FIXED DIAMETER HOLE OPENER

Fixed Diameter Hole Openers are used in the following conditions: 

1. When drilling of a big hole is not possible because of rig capacity. 

2. When a satisfied penetration rate is not obtained when drilling a big hole, it is  used after drilling is completed with a smaller bit. 

3. When the hole direction must be controlled. 

When ordering please specify

● Hole size; 

● Pilot hole size; 

● Top and bottom connections; 

● Fishing neck and bottom neck O.D and length; 

● Type of cutters.