A control system for a tong for a drilling rig includes a tong motor control valve that is selectively actuatable to cause rotation of the tong in a first direction or in a second direction, a run/pull mode selector configured to actuate between a first configuration for running tubulars into a well and a second configuration for pulling tubulars from the well, a rotation speed selector configured to actuate between a high-speed setting configured to cause the tong to be driven to rotate at a first speed, and a low-speed setting configured to cause the tong to be driven to rotate at a second speed, and a rotation change control device configured to selectively prevent or permit actuation of the tong motor control valve based on the configuration of the run/pull mode selector and the setting of the rotation speed selector.

A system, including one or more supports disposed on a drill floor. The system also includes a movable support slidingly coupled to the one or more supports and configured to be selectively moved towards the drill floor during a tripping-in operation as part of a continuous tripping operation and away from the drill floor during a tripping-in operation as part of a continuous tripping operation, and a tripping apparatus coupled to the movable support and configured to make up or break out a threaded joint between a first tubular segment and a second tubular segment, wherein the tripping apparatus is configured to be selectively movable from a first position disposed proximate to the one or more supports and a second position at a distance away from the one or more supports to make up the threaded joint when the tripping apparatus is disposed in the second position during the tripping-in operation or to break out the threaded joint when the tripping apparatus is disposed in the second position during the tripping-out operation.

A system for use in a mineral extraction system includes a spinner assembly having a motor configured to drive rotation of a roller shaft. The spinner assembly also includes a roller non-rotatably coupled to the roller shaft and configured to contact a first tubular structure, and rotation of the roller is configured to cause rotation of the first tubular structure until the first tubular structure is spun into a second tubular structure. The spinner assembly further includes a detection wheel coupled to the roller shaft and configured to contact the first tubular structure, and the detection wheel is configured to rotate with the first tubular structure and to rotate independently of the roller. The spinner assembly further includes a sensor configured to detect rotation of the detection wheel.

The invention relates to a drilling rig comprising: a tubular stand support tower, tubular stand storage rack, slip device for supporting multiple tubular stands, and a tubular stand connecting device. According to the invention the rig is provided with a tubular stand handling system, adapted to move a tubular stand between the storage rack and a position in the firing line above the tubular string slip device, and adapted to rotatable support the tubular stand in the firing line during spinning in, to allow for connecting the tubular stand with the tubular string, and during spinning out, to allow for disconnecting the tubular stand from the tubular string, the tubular stand handling system comprising. The tubular stand handling system comprises vertical rails and a lower motion arm assembly and an upper motion arm assembly comprising grippers, mounted on said vertical rails. Also provided is a weight compensation control system.

An iron roughneck for constant circulation of drilling mud during operation of a drill string, the iron roughneck comprising: a frame; a wrench unit supported by the frame, wherein the wrench unit is capable of gripping a drill string; a spinner unit supported by the frame, wherein the spinner unit is capable of engaging and spinning a drill pipe; and a circulation coupler supported by the frame, wherein the circulation coupler forms a chamber around the drill string.

An apparatus is provided for spinning a tubular that includes a frame having a first arm and a second arm outwardly extending from a central region where each arm includes a roller. The frame also includes a center roller coupled to the central region of the frame. The frame is also capable of functioning as a clamping mechanism by providing at least one of the rollers on the frame with an internal gear mechanism for increasing the amount of torque that can be applied to a tubular.

A latch assembly having a first portion movably coupled with a second portion. The first portion has a roller housing, a latch panel, and handle, and the second portion has a respective roller housing, a respective latch panel, and a respective handle. In a closed position, the latch panel engages with the respective roller housing, and the respective latch panel engages with the roller housing.

A latch assembly having a first portion coupled with a second portion. The first portion has a roller housing, a latch panel, and handle, and the second portion has a respective roller housing, and a respective latch panel. In a closed position, the latch panel engages with the respective roller housing, and the respective latch panel engages with the roller housing.

A tubular handling system for conducting subterranean operations is disclosed and can include a bridge disposed within a tubular storage area and coupled to a guide rail. The bridge is configured to translate from a first bridge position to a second bridge position along the guide rail and over the tubular storage area. The tubular handling system can further include an arm coupled to the bridge and a gripper coupled to the arm. The gripper can be adapted to engage a first tubular.

A system for performing a subterranean operation that can include a plurality of tools, and a gripper conveying means configured to connect with any one of the plurality of tools and perform a first operation on a rig. The system can also include tools with an encapsulated chamber having electronic components contained therein with the tools in compliance with an explosion-exposed (EX) certification.