Abstract: A reamer includes a reamer lobe with at least one cutting blade, the at least one cutting blade including a plurality of cutting teeth, wherein a center of the teeth is eccentrically displaced from the center of rotation of a drill string when the reamer is coupled to the drill string. The reamer also includes a roller with a center eccentrically displaced from the center of rotation of the drill string when the reamer is coupled to the drill string, the roller being spaced from the reamer lobe, the roller being configured to rotate relative to the reamer and relative to the reamer lobe, wherein the roller encompasses a circumference of the reamer.

Abstract: A reamer for increasing the diameter of a wellbore includes an eccentric reamer lobe having at least one cutting blade and a roller, wherein the roller encompasses the circumference of the reamer.

Abstract: A drill string stabilizer for use in a well bore includes a tubular body with a stabilizer axis, a first roller including a first roller axis spaced apart from the stabilizer axis of the tubular body, and at least a second roller spaced longitudinally apart from the first roller, the at least a second roller including a second roller axis spaced apart from the stabilizer axis of the tubular body. The first roller is angularly offset from the at least the second roller around a circumference of the tubular body.

Abstract: A reamer for increasing the diameter of a wellbore includes an eccentric reamer lobe having at least one cutting blade and a roller, wherein the roller encompasses the circumference of the reamer.

Abstract: A system includes a device with at least one recess with a wall. The at least one recess includes a first hole with a first diameter. At least one bearing surface is configured to be inserted into and removed from the at least one recess. The at least one bearing surface includes a second hole with a second diameter that is less than the first diameter. At least one cross-pin is configured to be positioned within the first hole and the second hole. At least one washer is positioned within the recess provides a biasing force to urge the bearing surface upward.

Abstract: A system includes a device with at least one recess with a wall. The at least one recess includes a first hole with a first diameter. At least one bearing surface is configured to be inserted into and removed from the at least one recess. The at least one bearing surface includes a second hole with a second diameter that is less than the first diameter. At least one cross-pin is configured to be positioned within the first hole and the second hole. At least one washer is positioned within the recess provides a biasing force to urge the bearing surface upward.

Abstract: A fluid pulse valve and a method of using the fluid pulse valve are disclosed. The fluid pulse valve comprises an outer housing, a rotor contained within the outer housing, a stator tube surrounding the rotor and adjacent to the outer housing, the stator tube comprising a plurality of slots in a helical patter, and a helical closer coaxially and rotationally coupled to the rotor. At least a portion of the closer is configured to align with the plurality of slots as the closer rotates, thereby covering and uncovering the plurality of slots to create a crescendoing and decrescendoing pulse.

Abstract: A double stage stabilizer adapted to condition the well bore and reduce vibrations in the drill string as the device passes thought the well bore is disclosed.

Abstract: A fluid pulse valve and a method of using the fluid pulse valve are disclosed. The fluid pulse valve comprises an outer housing, a rotor contained within the outer housing, a stator tube surrounding the rotor and adjacent to the outer housing, the stator tube comprising a plurality of slots, and a closer coaxially and rotationally coupled to the rotor and at least a portion of the closer in line with the plurality of slots. As the closer rotates, the closer covers and uncovers the plurality of slots to create a pulse.

Abstract: A fluid pulse valve and a method of using the fluid pulse valve are disclosed. The fluid pulse valve comprises an outer housing, a rotor contained within the outer housing, a stator tube surrounding the rotor and adjacent to the outer housing, the stator tube comprising a plurality of slots, and a closer coaxially and rotationally coupled to the rotor and at least a portion of the closer in line with the plurality of slots. As the closer rotates, the closer covers and uncovers the plurality of slots to create a pulse.

Abstract: A fluid pulse valve and a method of using the fluid pulse valve are disclosed. The fluid pulse valve comprises an outer housing, a rotor contained within the outer housing, a stator tube surrounding the rotor and adjacent to the outer housing, the stator tube comprising a plurality of slots, and a closer coaxially and rotationally coupled to the rotor and at least a portion of the closer in line with the plurality of slots. As the closer rotates, the closer covers and uncovers the plurality of slots to create a pulse.

Abstract: A steerable well bore drilling device and method are disclosed. The steerable well bore drilling device comprises a drill string, a bit coupled to the drill string, a drilling motor within the drill string and driving the bit, and a pair of eccentric reamers coupled to the drill string and positioned between the bit and the motor.

Abstract: A fluid pulse valve and a method of using the fluid pulse valve are disclosed. The fluid pulse valve comprises an outer housing, a rotor contained within the outer housing, a stator tube surrounding the rotor and adjacent to the outer housing, the stator tube comprising a plurality of slots, and a closer coaxially and rotationally coupled to the rotor and at least a portion of the closer in line with the plurality of slots. As the closer rotates, the closer covers and uncovers the plurality of slots to create a pulse.

Abstract: A fluid pulse valve and a method of using the fluid pulse valve are disclosed. The fluid pulse valve comprises an outer housing, a rotor contained within the outer housing, a stator tube surrounding the rotor and adjacent to the outer housing, the stator tube comprising a plurality of slots, and a closer coaxially and rotationally coupled to the rotor and at least a portion of the closer in line with the plurality of slots. As the closer rotates, the closer covers and uncovers the plurality of slots to create a pulse.

Abstract: Low-friction, abrasion resistant systems of replaceable bearing surfaces and methods of using the system are disclosed. The system comprises a device having at least one recess, each recess having a groove in an inner wall of the recess; a plurality of replaceable bearing surfaces adapted to be inserted into and removed from the at least one recess without damaging the device; and at least one snap ring adapted to engage the groove in each recess and secure a replaceable bearing surface within the recess.

Abstract: A fluid pulse valve and a method of using the fluid pulse valve are disclosed. The fluid pulse valve comprises an outer housing, a rotor contained within the outer housing, a stator tube surrounding the rotor and adjacent to the outer housing, the stator tube comprising a plurality of slots, and a closer coaxially and rotationally coupled to the rotor and at least a portion of the closer in line with the plurality of slots. As the closer rotates, the closer covers and uncovers the plurality of slots to create a pulse.

Abstract: A device and system for extracting equipment from a drillstring are disclosed. The system comprises an equipment extraction device having an anchor coupled to the equipment, a housing coupled to an uphole portion of the drillstring, and a stator tube coupled to a downhole portion of the drillstring. The anchor is comprised of an anchor extraction pin and at least one anchor claw and the equipment extraction device is detachably coupled to the stator tube.

Abstract: Method of manufacturing and remanufacturing wellbore drill bits and wellbore drill bit manufactured or remanufactured by the methods are disclosed. The manufacturing method comprises providing a drill bit having at least one blade, providing at least one cutter pocket in each blade, providing a registration device in each cutter pocket, and positioning a cutting surface within each cutter pocket and in engagement with each the registration device therein.