发明名称 ASSEMBLY FOR PRODUCING A THREADED CONNECTION FOR DRILLING AND OPERATING HYDROCARBON WELLS, AND METHOD FOR PRODUCING SUCH A THREADED CONNECTION
摘要 A set for producing a threaded connection, includes first, second, third, and fourth tubular component with axis of revolution, the first tubular component including at each of its ends a first and a second threaded zone provided on the inner peripheral surface of the component, the second tubular component including at each of its ends a third and a fourth threaded zone provided on the outer peripheral surface of the component, the third tubular component including at one of its ends a fifth and a sixth threaded zone respectively provided on the inner and outer peripheral surface of the component, the fourth tubular component including at one of its ends a seventh and an eighth threaded zone respectively provided on the inner and outer peripheral surface of the component. The first and sixth, third and fifth, second and eighth, fourth and seventh threaded zones cooperate with one another on makeup.
申请公布号 US2016146381(A1) 申请公布日期 2016.05.26
申请号 US201414899446 申请日期 2014.06.17
申请人 VALLOUREC OIL AND GAS FRANCE ;NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 MARTIN Pierre Bernard;COLIN Sebastien;MENCAGLIA Xavier;RUFFIN Karine
分类号 F16L15/00;E21B17/08;E21B17/042 主分类号 F16L15/00
代理机构 代理人
主权项
地址 Aulnoye-Aymeries FR