E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/11, 70/16, 16
E05B 17/14 (2006.01) F16B 41/00 (2006.01)
Patent
CA 1164679
S P E C I F I C A T I o N Inventors: Walter M. Camos and William L. Doize Invention: "Well Christmas Tree Guard Apparatus" Abstract of the Disclosure An oil or gas well Christmas tree guard apparatus provides an annular guard body which is protectively secured about a bolted flanged connection of the well Christmas tree, the guard so placed forming an envelope about the flanged connection and preventing access by a thief to the bolts and thus discouraging removal of the bolts from the bolted connection. The protective guard body thus prevents removal of the Christmas tree from its location at the well head by theft denying access to the bolted connection which flanges the Christmas tree to the remainder of the well. In the preferred embodiment the guard body provides a pair of annular shroud halves which are hingedly connected allowing them to be pivotally moved from an outer position allowing removal from the flanged connection to an inner closed operative position providing an overall annular guard body which is latched into position about the desired bolted connection. The guard body hinge as well as the latch structure can be protectively covered by a connected shroud or housing about the latch structure, or the hinge respectively.
363423
Camos Walter M.
Doize William L.
Seaboard Pipe And Equipment Company
Swabey Ogilvy Renault
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