B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/51
B26D 3/16 (2006.01) B23D 15/14 (2006.01) B23D 21/00 (2006.01) B23D 35/00 (2006.01) E21B 29/08 (2006.01) E21B 33/06 (2006.01)
Patent
CA 1140454
WELLHEAD SHEARING APPARATUS Abstract of the Disclosure A shearing apparatus for installation on a wellhead and having capability of shearing drill collars. The improved apparatus includes a body with a vertical bore therethrough and ram guideways extending laterally from opposite sides of the bore, a pair of rams, each positioned in one of the guide- ways, each ram including a cutting blade, reciprocating means secured to each ram for moving the rams and their cutting blades into the vertical bore to shear tubular members therein and to retract the rams and cutting blades into the guideways, the reciprocating means having sufficient power to cause the cutting blades to shear large diameter casing and drill collars, and arms secured to the sides of the rams and ex- tending toward the other ram, said arms engaging as the rams are moved toward the bore and providing a force resisting the forces tending to vertically separate the cutting blades during shearing, said arms also substantially filling the space of the guideways outside the vertical bore to prevent the forcing of members being sheared into this space.
371820
Childs Eric G.
Just Friedrich E.
Cameron Iron Works Inc.
Smart & Biggar
LandOfFree
Wellhead shearing apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Wellhead shearing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wellhead shearing apparatus will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1121474