| US 7,464,751 B1 | ||
| High pressure adapter assembly for use on blow out preventers | ||
| Leo William Abel, 2907 W. Lane Dr., Houston, Tex. 77027 (US) | ||
| Filed on Mar. 19, 2007, as Appl. No. 11/688,185. | ||
| Application 11/688185 is a continuation of application No. 11/021774, filed on Dec. 22, 2004, granted, now 7,334,634. | ||
| Claims priority of provisional application 60/541074, filed on Feb. 02, 2004. | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. E21B 33/03 (2006.01) | ||
| U.S. Cl. 166—85.4 [166/90.1] | 15 Claims |
| 1. A high pressure adapter assembly for use in an annular blow out preventer comprising annular seals, the high pressure adapter
assembly comprising:
a. an upper body and a lower body with a bore that communicates between the upper body and the lower body;
b. a top flange connected to the upper body for connection with a pressure control device;
c. a side outlet port disposed in the upper body, integrally connected to the bore having a port body and a side flange, wherein
the side flange engages a line for pump-in or bleed-off of well fluids;
d. a two-part self energizing hold down assembly consisting of:
a male engagement member disposed between the upper body and the lower body;
a flange with a female engagement member for threadably engaging with the male engagement member of the two-part self energizing
hold down assembly; and
e. a seal disposed between the male engagement member and the female engagement member, wherein the lower body engages an
annular seal of an annular blow out preventer.
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