Provided, in one embodiment, is a pulling prong. The pulling prong, in one example, includes an outer housing, and a nose assembly slidably located within the outer housing. In this example, the nose assembly and outer housing form an activation chamber. The pulling prong, in this example, may further include activation means located within the activation chamber, the activation means configured to move the nose assembly from a first running configuration to a second retrieving configuration.

The present invention provides an inner start-up tool of a conduit bearing capacity reinforcing device and a using method thereof, the inner start-up tool comprising: an outer cylinder in which a pressure bearing disc is axially movably provided, a lower end of the pressure bearing disc being elastically connected with a balance block, and a first ring block and a second ring block being movably diametrically disposed through a lower cylinder walls of the outer cylinder; a first link mechanism having a first vertical rod and a first horizontal rod rotatably connected to the first vertical rod, the first vertical rod being rotatably connected to the balance block, the first horizontal rod being rotatably connected to the first ring block; a second link mechanism having a second vertical rod and a second horizontal rod rotatably connected to the second vertical rod, the second vertical rod being rotatably connected to the balance block, the second horizontal rod being rotatably connected to the second ring block. The inner start-up tool of the conduit bearing capacity reinforcing device and the using method thereof according to the present invention can be used for efficiently operating the conduit bearing capacity reinforcing device, is simple in structure and convenient in use.

An apparatus, system and method are provided for isolating a portion of a tubing string in a hydrocarbon well. The portion of isolated tubing string can be used to set a packer or test tubing integrity hydrostatically. The apparatus includes a dissolvable valve that is installed in a nipple and positioned below the portion of tubing string. The dissolvable valve includes a ball seat for receiving a dissolvable ball. When the dissolvable ball is dropped into the tubing string and seated on the ball seat of the dissolvable valve, the portion of tubing string is isolated from a second portion of tubing string below the nipple. Wellbore fluids in the hydrocarbon well dissolve the dissolvable valve and the dissolvable ball to leave behind a nipple without any restrictions.

A driving system for a core drilling rig has a driving motor. The driving motor has an outer rotor and an inner stator, and mutually-matched convex ribs are provided on the inner wall of the outer rotor and the outer wall of the inner stator. The outer rotor and the inner stator are in clearance fit. A clearance between the outer rotor and the inner stator is a driving liquid channel. The length of the outer rotor is less than that of the inner stator. The outer rotor is provided between the front and rear ends of the inner stator. The outer rotor is connected to an outer cylinder. The rear end of the inner stator is connected to a coupling.

A tool counts the number of radial restrictions or seats in a series of frac valves along a completion string. At a pre-selected count, the tool radially expands a landing mechanism and lands on the next-reached frac valve.

A tool counts the number of radial restrictions or seats in a series of frac valves along a completion string. At a pre-selected count, the tool radially expands a landing mechanism and lands on the next-reached frac valve.

A system including a hydraulic tool configured to energize a lock ring system and a seal assembly with a hydraulic fluid, wherein the hydraulic tool including a hydraulic body configured to couple to a hydraulic fluid source, a first piston configured to move axially with respect to the hydraulic body to energize the seal assembly, and a second piston configured to move axially with respect to the hydraulic body to energize the lock ring system, wherein the first and second pistons are simultaneously exposed to the hydraulic fluid in an opening in the hydraulic body.

A system including a hydraulic tool configured to energize a lock ring system and a seal assembly with a hydraulic fluid, wherein the hydraulic tool including a hydraulic body configured to couple to a hydraulic fluid source, a first piston configured to move axially with respect to the hydraulic body to energize the seal assembly, and a second piston configured to move axially with respect to the hydraulic body to energize the lock ring system, wherein the first and second pistons are simultaneously exposed to the hydraulic fluid in an opening in the hydraulic body.

A method for adjusting position of a downhole flow control device, comprising deploying a service tool downhole, wherein the tool includes a tool body with a first latching profile and a shifting key with a second latching profile and travel profile, locking the service tool to a latch interface, and moving part of the service tool to adjust position of the flow control device while the service tool is locked to the latch interface. A system comprising a downhole flow control device, a latch interface, and a service tool, wherein the service tool includes a tool body with a first latching profile, a shifting key with a second latching profile and travel profile, and an actuator to extend and retract the profiles relative to the tool body, wherein position of the flow control device is adjusted by moving the service tool.

Embodiments of a jumper tube connection assembly generally include a retention clip having beveled and locking surfaces, a retention clip frame, and a biasing means, wherein the clip is restrained partially within the frame and is pivotable in response to a jumper connector contacting the beveled surface during shunt tube engagement therewith, and wherein the biasing means positions the locking surface to prevent jumper connector reverse movement. Other embodiments generally include a retention clip having a locking component, a retention clip support, and a biasing means, wherein the clip is restrained partially within the support and is pivotable in response to force biasing the locking component away from a shunt tube during jumper connector engagement therewith, wherein upon force cessation the biasing means positions the locking component in engagement with a jumper connector orifice, thereby preventing disengagement thereof from the shunt tube. Methods of utilizing the embodiments are also provided.