| 摘要 |
A pipe designed to be placed within a well for producing a fluid of interest, a pipe onto the outer face whereof is crimped a tubular metal element, wherein: the inner face of the tubular element exhibits an annular groove wherein is engaged a metal anchoring ring or a pair of anchoring rings set back-to-back; each anchoring ring consists of a ring split transversely at least partially, is provided on its inner face with projecting anchoring members, and exhibits, in cross-section, a base equipped with the projecting members and at least one flank forming an acute angle with the base; the annular groove exhibits a profile that is substantially complementary to that of the ring or of the pair of rings; the depth of the groove being less than the thickness of the ring or of the rings; such that the projecting members are at least partially embedded into the pipe after crimping of the metal element onto the pipe. |
