Product category:
Hydraulic Components
News Release from: Parker Hannifin | Subject: Hydraulic roundline cylinders
Edited by the Engineeringtalk Editorial
Team on 01 March 2001
Hydraulic cylinders control iron
roughneck
Five specially designed Parker Hannifin hydraulic roundline cylinders and two Torqmotor hydraulic motors are specified for clamping and torquing functions on each Spintorq 80 produced by Varco BJ
Five specially designed Parker Hannifin hydraulic roundline cylinders and two Torqmotor hydraulic motors are specified for clamping and torquing functions on each Spintorq 80 produced by Varco BJ, one of the world's largest, most technologically advanced producers of high quality oil and gas drilling equipment The Spintorq 80 is one of a group of products developed by Varco BJ to increase drilling efficiency in the 21st Century
This article was originally published on Engineeringtalk on 20 Feb 2001 at 8.00am (UK)
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Up to 44% smaller than competitive iron roughnecks, the Spintorq 80 is a compact hydraulically powered tool capable of handling all tool joint connections on land rigs, most platform and jack-up rigs.
It spins, makes up and breaks out connections from 2-7/8 inch drill pipe to 8-1/2 inch drill collars.
Spintorq 80 is capable of making and breaking bits, stabilisers, spiral collars and other components, eliminating the need for manual tongs.
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By removing many manual operations from the stand-building and breaking process, the Spintorq 80 increases rig safety and lowers operating costs.
The Spintorq 80's precise control features also reduce drill pipe damage and tool joint wear.
The Spintorq 80 incorporates five specially designed Parker Hannifin hydraulic roundline cylinders: two 8 inch clamp cylinders; two 4.5 inch torque cylinders; and a 2.5 inch retract cylinder.
The left-hand and right-hand torque cylinders are of an ultra compact semi-welded design, supplied complete with pipes and fittings, with rod clevises.
The right-hand cylinder also incorporates an integral cartridge valve.
The two clamping cylinders and retract cylinder are also semi-welded with stainless steel piston rods and very short axial dimensions.
These cylinders are designed specifically to fit into tight spaces and to work in the harsh environments encountered in the oil and gas industry.
During drilling operations, when a segment of pipe needs to be added or removed from the drill string, the Spintorq 80 is moved to the pipe.
It grabs the pipe on the pin and box of the pipe, the clamping action being under the control of the clamp cylinders.
When making up the pipe, the two Parker high torque, low speed hydraulic Torqmotors spin the pipe sections together to an operator-specified torque, followed by controlled make up by the two torque cylinders.
When removing sections of pipe, the torque cylinders break out the pipe section and the Torqmotors spin out the upper section.
Drillers can safely and efficiently make up and break out all tool joint connections in less than 15 seconds.
Spintorq 80 is capable of being either mounted on tracks or cable suspended from the derrick.
With speeds up to 70 rpm, the Spintorq 80 has a make up torque of 60,000 ft lbs (81,500 Nm) and a break out torque of 80,000 ft lbs (108,500 Nm). Request a free brochure from Parker Hannifin ...
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