Patent ID: 8733452

Claim:
A connector for assembling two riser pipe sections for offshore well drilling operations, comprising: A first main tube element having as an extension a male connector element provided with a male flange, the male flange being pierced by at least one orifice wherein a first auxiliary tube element is secured, a second main tube element having as an extension a female connector element provided with a female flange, the female flange being pierced by at least one other orifice wherein a second auxiliary tube element is secured, the male connector element fitting into the female connector element so as to connect the first main tube element with the second main tube element and to connect the first auxiliary tube element with the second auxiliary tube element, and a locking ring that assembles the male flange and the female flange, the locking ring being mounted mobile in rotation on an outer periphery of the male flange, and the locking ring cooperating with the outer periphery of the male flange and an outer periphery of the female flange.