Inventors:
Jeffrey James Arcement - Houston TX, US
John E. Hebert - Houma LA, US
William L. Brunet - Houma LA, US
Joseph J. Boudreaux - Houma LA, US
International Classification:
E21B 33/14
Abstract:
A method and apparatus for cementing an annulus wellbore is described herein. The apparatus includes an internally radiused portion of a sleeve adapted for increasing the compressive strength of a compound for securing a valve in the sleeve. The internally radiused portion prevents the apparatus from leaking during operation. The apparatus is manufactured using one pass of a milling tool. The apparatus is run into a wellbore. A cementing operation in performed past the apparatus. The apparatus then prevents the cement from entering a downhole tubular.