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Tesco Corporation patents


Recent patent applications related to Tesco Corporation. Tesco Corporation is listed as an Agent/Assignee. Note: Tesco Corporation may have other listings under different names/spellings. We're not affiliated with Tesco Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tesco Corporation-related inventors


Rotating stage collar

The disclosed embodiments include a rotating stage collar. The rotating stage collar includes an upper collar configured to couple to a first length of tubular, a lower collar configured to couple to a second length of tubular, and an inner sleeve disposed within the upper collar and the lower collar, wherein the upper collar and the lower collar are rotationally fixed to one another when the inner sleeve is in a first position within the upper collar and the lower collar, wherein the upper collar and the lower collar are rotationally independent of one another when the inner sleeve is in a second position within the upper collar and the lower collar, and wherein the second position is axially beneath the first position relative to a longitudinal axis of the rotating stage collar when the rotating stage collar is positioned within a wellbore.. ... Tesco Corporation

System and method for mitigating stick-slip

The present disclosure is directed to systems and methods for rotating a drill string to mitigate stick-slip oscillations. An embodiment includes a method of rotating a drill string driven by a drive system using a control system. ... Tesco Corporation

End connector with offset cross-hole

An end connector for connecting a fluid pipeline to a fluid flow control device. The end connector includes a body adapted to engage an external surface of the fluid flow control device, and a plurality of bolt holes formed through the body and adapted to receive a plurality of bolts, respectively, to couple the body to the fluid flow control device. ... Tesco Corporation

Piston sensor with baffle plate

A valve assembly includes a sensing cavity and a piston cavity defined in valve body and/or in a bonnet. A piston head of a piston may be disposed within the piston cavity, and a piston stem has an end portion in contact with valve plug. ... Tesco Corporation

Plug launching system and method

A plug launching system includes a main body and a plug canister disposed within the main body. The plug canister includes a liner, a first rotational assembly disposed about the liner, wherein the first rotational assembly is configured to support a first plug disposed within the liner and selectively enable fluid flow from an annulus between the main body and the plug canister to a central passage of the liner, and a second rotational assembly disposed about the liner, wherein the second rotational assembly is configured to support a second plug disposed within the liner and selectively enable fluid flow from the annulus between the main body and the plug canister to the central passage of the liner, wherein the first and second rotational assemblies are configured to be actuated independently from one another.. ... Tesco Corporation

Torque track system

A drilling rig includes a torque track system configured to couple to a derrick and to a top drive of the drilling rig, where the torque track system is configured to resist movement of the top drive in a lateral direction with respect to the derrick and to transfer torsional loads to the derrick in an operating configuration, a first torque track segment of the torque track system, and a second torque track segment of the torque track system coupled to the first torque track segment with a joint. The joint is configured to enable the first torque track segment and the second torque track segment to pivot with respect to one another while maintaining a physical connection between the first torque track segment and the second torque track segment during manipulation of the torque track system into and out of the operating configuration.. ... Tesco Corporation

Methods and apparatus to couple manifold blocks to form a manifold

Methods and apparatus to couple manifold blocks to form a manifold are disclosed. An example apparatus includes a first manifold block including a first fluid passageway defining a first opening in a first surface of the first manifold block. ... Tesco Corporation

Mud saver valve measurement system and method

In accordance with an embodiment of the disclosure, a method includes detecting a first parameter indicative of lateral movement of a top drive system with respect to a rotational axis of the top drive system with a first plurality of sensors and detecting a second parameter indicative of lateral movement of the top drive system with respect to the longitudinal axis of the top drive system with a second plurality of sensors. The first parameter is different from the second parameter. ... Tesco Corporation

Engagement features for tubular grappling system

Present embodiments are directed to a tubular gripping system having engagement features. The tubular grappling system is configured to grip a tubular of a mineral extraction system and includes a first set of teeth of a contact surface of the tubular grappling system, wherein the contact surface is configured to engage with the tubular, and each tooth of the first set of teeth comprises a first orientation and a second set of teeth of the contact surface of the tubular grappling system, wherein each tooth of the second set of teeth comprises a second orientation, wherein the first and second orientations are generally perpendicular to one another, wherein the first set of teeth and the second set of teeth are axially offset from one another relative to a central axis of the tubular grappling system.. ... Tesco Corporation

Compound loading element for use with electronic adjustment

A system for providing a force on a main valve member includes a first sensing element adapted to couple to a portion of the main valve member. A first loading element may be directly or indirectly coupled to the first sensing element such that the first loading element provides a first force on the first sensing element. ... Tesco Corporation

Oilfield tubular connection system and method

Present embodiments include a first oilfield tubular, wherein the first oilfield tubular comprises a threaded box connection at a first axial end of the first oilfield tubular, a second oilfield tubular, wherein the second oilfield tubular comprises a threaded pin connection at a second axial end of the second oilfield tubular, a first flange coupled to the first axial end of the first oilfield tubular, wherein the first flange comprises a plurality of apertures arrayed about a first circumference of the first flange, and a second flange coupled to the second axial end of the second oilfield tubular, wherein the second flange comprises a plurality of recesses arrayed about a second circumference of the second flange, wherein each of the plurality of apertures is configured to align with a respective one of the plurality of recesses.. . ... Tesco Corporation

Cement plug detection system and method

In accordance with one aspect of the disclosure a method includes positioning a cement plug in a casing string, completing a casing cementing process, launching the cement plug down the casing string, and detecting a magnetic field of an electro-magnetic transmitter coupled to the cement plug or a magnet disposed on an outer surface of the casing string with a magnetic sensor disposed on the outer surface of the casing string.. . ... Tesco Corporation

Low profile variable frequency controller with cooling and process

A housing for a variable frequency drive and its transformer, which housing has two compartments, one each for a vfd and transformer. The housing is box shaped with enclosures attached to the rear wall of each compartment, which enclosures communicate through openings in the compartments to their interiors. ... Tesco Corporation

Control assembly for a valve

A control assembly for a valve includes a stem displaceable relative to a body portion of the valve from a closed position in which a valve portion of the stem portion engages a valve seat portion to an open position in which the valve portion is offset from the valve seat portion. A portion of the stem portion is movably disposed within the flow orifice. ... Tesco Corporation

03/23/17 / #20170082677

Electric meter and contact arcing detector, and arcing detector therefor

An electric meter contact arc detector is mountable to an electric meter base and may comprise: a de-tuned resonant tank circuit configured to receive a magnetic field and/or an electric field from an electrical arc at a stab contact; an electrical detector detecting signals generated in the de-tuned resonant tank circuit responsive to the electrical arc at the stab contact; and an output device indicating detection of an electrical arc. A disconnect device responsive to the electrical detector and configured to interrupt an electrical connection to the stab contact, may be provided. ... Tesco Corporation

03/23/17 / #20170082674

Electric meter and contact arcing detector, and arcing detector therefor

An electric meter contact arc detector is mountable to an electric meter base and may comprise: a de-tuned resonant tank circuit configured to receive a magnetic field and/or an electric field from an electrical arc at a stab contact; an electrical detector detecting signals generated in the de-tuned resonant tank circuit responsive to the electrical arc at the stab contact; and an output device indicating detection of an electrical arc. A disconnect device responsive to the electrical detector and configured to interrupt an electrical connection to the stab contact, may be provided. ... Tesco Corporation

03/23/17 / #20170081954

Pipe joint location detection system and method

A pipe joint location detection system includes a main body, at least one magnet, and a plurality of magnetic sensors. The main body has an annular shape defining a central passage, the at least one magnetic is coupled to the main body, the magnet is configured to output a magnetic field, and the plurality of magnetic sensors is coupled to the main body and disposed about a circumference of the main body, wherein each magnetic sensor of the plurality of magnetic sensors is configured to detect a magnetization of a tubular string disposed within the central passage. ... Tesco Corporation

03/02/17 / #20170060147

Back pressure control regulator with in-line overpressure relief

A back pressure regulator with in-line over pressure relief includes a first pressure regulator and a second pressure regulator arranged fluidly in parallel, which are connected by a common regulator housing.. . ... Tesco Corporation

02/09/17 / #20170037703

Mud saver valve

Present embodiments are directed to a mud saver valve assembly having a first sleeve, a second sleeve, and a first valve element axially captured between the first sleeve and the second sleeve, wherein the first valve element includes a support ring portion extending about a circumference of the first valve element and a center portion extending across the support ring portion, wherein the center portion comprises a dome-shaped geometry.. . ... Tesco Corporation

01/19/17 / #20170016756

Strain gauge span block

A system includes a span block configured to couple with an extension from a top drive at a first end of the span block and configured to couple to a tubular at a second end of the span block. The system also includes a sensor block of the span block. ... Tesco Corporation








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