The disclosure of this application is directed to a downhole tool comprising a central element/member and a sleeve that is rotatably and orbitally disposed around the central element/member. The sleeve rotates and orbits around the central element/member responsive to fluid flowing through the downhole too. The disclosure is also related to a method of advancing the downhole tool in a well by flowing fluid through the tool.

An antirotation stabilizer may include one or more antirotation pads extending from a stabilizer body. Each antirotation pad may be positioned at least partially within a recess formed in the stabilizer body. Each antirotation pad may be coupled to a torsion bar. The torsion bar may couple between the antirotation pad and the stabilizer body and may be under torsional loading such that the antirotation pad is extended from the stabilizer body. The antirotation stabilizer may include one or more rollers.

A method of manufacture and installation of a resizable, plastically deformable or crimpable elastomeric bearing collar or stabilizer sleeve which can be installed over upset sections of rotary drilling and wellbore completion tubulars such as but not limited to subs, drill collars, drill pipe, wellbore casing, production liners and other drilling and production related tubulars that are run down-hole. In order to enable the reduction of rotational torque generated when directionally drilling and completing extended reach development (ERD) wells.

The disclosure of this application is directed to a downhole tool comprising a central element/member and a sleeve that is rotatably and orbitally disposed around the central element/member. The sleeve rotates and orbits around the central element/member responsive to fluid flowing through the downhole too. The disclosure is also related to a method of advancing the downhole tool in a well by flowing fluid through the tool.

A sub assembly for coupling to a drill string, the assembly comprising; a mandrel; a sleeve arranged to be co-axially positioned about said mandrel; a first stop arranged to prevent axial movement of the sleeve along the mandrel in a first direction; a second stop arranged to prevent axial movement of the sleeve in a second direction; wherein said second stop is releasably engageable from the mandrel.

An antirotation stabilizer may include one or more antirotation pads extending from a stabilizer body. Each antirotation pad may be positioned at least partially within a recess formed in the stabilizer body. Each antirotation pad may be coupled to a torsion bar. The torsion bar may couple between the antirotation pad and the stabilizer body and may be under torsional loading such that the antirotation pad is extended from the stabilizer body. The antirotation stabilizer may include one or more rollers.

A non-rotating drill pipe protector comprising a collar for attachment to a drill pipe and a sleeve positioned around the collar wherein drilling fluid passing between flexible bearing surfaces between the collar and the sleeve generate hydrodynamic bearings in both an axial and thrust direction of the drill pipe.

In one embodiment, a wear band comprises a rotating element having a bore receivable on a tubular, the bore comprising first and second bore portions slidably receiving first and second sleeve bearings. Outer surfaces of the sleeve bearings slidably engage the bore portions and the bores of the sleeve bearings slidably engage the tubular. A first and a second stop collars may be received on the tubular to together straddle the rotating element and sleeve bearings to longitudinally secure the rotating element in a position on the tubular. The tubular may be included within a tubular string run into a borehole or into the bore of an installed casing, such as in casing while drilling. The rotating element provides stand-off between a tubular and the wall of a bore, reduces frictional resistance to longitudinal sliding and also to rotation of the tubular string within the bore.

There is provided a float equipment attachment assembly comprising: a float equipment for mounting to a tubing string, the float equipment comprising a tubular body and a plurality of gripping arms extending longitudinally away from the tubular body arranged to deflect radially inwards; and, an attachment sleeve, wherein the inner diameter of the attachment sleeve is tapered to form a conical abutment portion, wherein when the attachment sleeve and float equipment are arranged axially around the tubing string and pressed together the gripping arms are deflected radially inward by the conical abutment portion to grip the tubing string to mount the float equipment to the tubing string.

An embodiment includes a downhole motor configured to operate a drill bit to drill a well into an earthen formation. The downhole motor includes a motor housing, a stator supported by an inner surface of the motor housing, a rotor operably coupled to the stator. The rotor is configured to be operably coupled to the drill bit. The motor housing includes an uphole portion, a bend, and a downhole portion that extends relative to bend away from the uphole portion in a downhole direction. The downhole motor includes an adjustment assembly that can guide the direction of drilling.