Hole Opening Tools For Well Complection
Brand : Tolian
Product origin : China
Delivery time : 15days
Supply capacity : 200pcs
It can be used to barely drill large surface holes in land oil fields and offshore oil fields.
IT can complete drilling and expansion operations at the same time.
1. Fixed diameter hole openers:
Hole Opener is used to enlarge big suface hole in onshore and offshore oil field,that is,it is used to enlarge the hole pre-drilled by tricone bit,or it is connected above the drill bit to complete the drilling and enlarging operations at the same time.There are three type for cutter:type SM used for soft to medium formation;MH used for medium to hard formation;type XH
used for hard formation.
2. Under Reamer: Under reamer is a tool to enlarage the hole size in drilling operation and save the trip times,this under reamer is mechanically expandable,so it can expediently control the cutters to expand and shrink when drilling. It has the advantages of ingenious structure,convenient control and flexible action features.
Ream Range: 8-1/4~13 inch
Connection: 4-1/2REG PxB