Molds, downhole tools and methods of forming

Details Molds, downhole tools and methods of forming Molds, downhole tools and methods of forming

2007-10-19

2010-11-16

Kerns, Kevin P (Department: 1793)

Metal founding

Process

Shaping a forming surface

C164S520000

Reexamination Certificate

active

07832457

ABSTRACT:
Three dimensional printing equipment and techniques may be used in combination with three dimensional design data associated with well drilling equipment and well completion equipment to form molds associated with manufacture of such equipment. For example, such molds may be used to form a bit body or other components associated with a rotary drill bit. For some applications composite or matrix materials may be placed in the mold to form a matrix bit body. Heat transfer characteristics of the mold may be optimized for heating and/or cooling of the matrix materials to provide optimum fracture resistant (toughness) and optimum erosion, abrasion and/or wear resistance for portions of the bit body. Such molds may also be used to form steel bit bodies associated with fixed cutter rotary drill bits and other components associated with a wide variety of well drilling equipment and well completion equipment.

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