FIXED DIAMETER HOLE OPENER
TIANHE Fixed Diameter Hole Openers are designed for use in soft clays and shales to medium-hard shales and limestones. It is particularly effective in sticky formations where balling problems are encountered. Three jets with replaceable nozzles continuously clean the tool’s cutting structure, clearing debris buildup and increasing penetration.
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.
产品报价咨询
请在下面输入您的信息，我们将尽快与您联系
