Ships – Building – Canal and ferry boats
Patent
1974-06-13
1976-02-24
Werner, Frank E.
Ships
Building
Canal and ferry boats
114 5D, 214 25, E21B 1914
Patent
active
039399907
ABSTRACT:
In conventional oil field operations there are men known as roughnecks whose job it is to receive each new section of pipe from a storage rack, position it on the center line of the rig, and join it to the existing pipe string beneath the rig. The apparatus described herein accomplishes this same function automatically and is capable of handling larger pipes faster than a manned operation. The apparatus also aids in returning a pipe section to the storage area.
The apparatus has a pair of parallel tracks curved in a vertical direction extending laterally from the center line of a hoisting arrangement. A trolley rides on each track with the two trolleys mechanically synchronized to be driven together along the tracks by a hydraulic motor. Each trolley has a pivoted roller jaw for guiding the lower end of the pipe as it is swung into position. The jaws are caused to pivot at the proper location and in the proper direction by cams on the track. The pipe jaws are caused to pivot by the cams to open into a generally U-shaped opening away from the center line position for receiving a pipe and preventing it from swinging towards the center line position. Adjacent the center line position the cams cause the jaws to pivot to a generally O-shaped opening for holding the pipe. After the pipe section has been attached to an existing pipe string the cams open the jaws into a generally U-shaped opening in the opposite direction for clearing the pipe. The automatic roughneck is used for guiding the pipe to its center line stabbing position as pipe is added to a string and towards a lateral position as pipe is removed.
REFERENCES:
patent: 1621009 (1927-03-01), Giles
patent: 3477527 (1969-11-01), Koot
patent: 3655071 (1972-04-01), Langowski
Global Marine Inc.
Werner Frank E.
LandOfFree
Automatic roughneck does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Automatic roughneck, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic roughneck will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2076246