Downhole safety joint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 17, 2013
Issued Date -
N/A
app pub date -
Jun 4, 2012
filing date -
Jun 4, 2012
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A downhole safety joint for use in a wellbore, including an upper tubular member having an upper threaded end and a lower external threaded section; a lower tubular member having a lower threaded end and an upper interior threaded section for engaging with the lower external threaded section to form a break joint, the break joint having one or more of a maximum compressive stress limit and a tensile stress limit; and one or more circumferential stress reliefs disposed into the outer diameter of at least one of the upper tubular member and the lower tubular member for transmitting a side load applied to the break joint to one or more of the circumferential stress reliefs less than one or more of the compressive stress limit and the tensile stress limit.
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