Tool for use in a Hydraulic Fracture initiation in a Drill DRILLING MACHINE which comprises a Cylindrical elongated Hole structure of sample has a step lengthINAL Inner, a Middle portion provided with one or more Holes which extend Outward; initiation method of a series of Hydraulic fractures.

摘要

Tool for use in a Hydraulic Fracture initiation in a Drill DRILLING MACHINE comprising a Cylindrical elongated Hole structure of sample has a step lengthINAL Inner, a Middle portion provided with one or more Holes which extend out; a method of initiating a series of Hydraulic fractures.