Patent ID: 8622091

Claim:
A protector for protecting a plurality of threads on a threaded portion of a pin or a box of a threaded pipe joint, the threads on the pin or box having a thread height H 2 , a thread groove width, and being covered with a solid lubricating coating having a maximum radial thickness t on a crest of the threads, the protector comprising: a tubular member having a radially inner or a radially outer surface including a threaded portion configured to threadably engage with at least a portion of the threaded portion of the pin or the box, wherein the threaded portion of the tubular member comprises a plurality of threads, every thread of the tubular member having a thread height H 1 that is greater than every thread height H 2 , and wherein the difference between H 1 and H 2 is greater than the maximum radial thickness t of the solid lubricating coating.