Tool for controlling fluid flow from a tubing string into a...

Tool for cutting groove in hole

Tool for drilling curved sections of well holes

Tool for dropping objects with rotating barrel

Tool for excavating an object

Tool for formation of holes in macroporous compressible soils

Tool for forming earth holes having fixed walls and method...

Tool for locating and plugging lateral wellbores

Tool for maintaining wellbore penetration

Tool for maintaining wellbore penetration

Tool for making an opening in a tubular in a wellbore

Tool for making and breaking pipe joints

Tool for measuring perforation tunnel depth

Tool for moving a long flexible leading wire through hollow...

Tool for optional straight hole drilling in underground rock...

Tool for running on a drill string in a well bore

Tool for transporting cutting means to and from a ground drill

Tool for use in a testing string disposed in a well bore

Tool for use in wellbore operations

Tool forming a hole in macroporous compressible soil and a...