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AssigneeChina Oilfield Services Limited
InventorsYongren Feng, Zhongli Bao, Qiang Yu, Xiaofei Qin, Lin Huang, Xingfang Wu, Yuqing Yang, Jibin Zou
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A connecting structure for a drill collar of a logging while drilling instrument and drill collar sub male and female joints are provided. The connecting structure for a drill collar of a logging while drilling instrument includes a male connecting joint and a female connecting joint matched with each other. The male connecting joint and the female connecting joint are rotatable relative to each other. Electrical passages are respectively arranged in the male and female connecting joints. One of the male and female connecting joints is provided with a multi-core coaxial electrical male connector connected with the electrical passage, and the other is correspondingly provided with a multi-core coaxial electrical female connector connected with the electrical passage. The male connecting joint is coaxially nested in the female connecting joint. The multi-core coaxial electrical male connector is inserted into and fitted to the multi-core coaxial electrical female connector.
A connecting structure for a drill collar of a logging while drilling instrument, comprising a male connecting joint and a female connecting joint matched with each other, the male connecting joint and the female connecting joint being rotatable relative to each other, electrical passages being respectively arranged in the male connecting joint and the female connecting joint, one of the male connecting joint and the female connecting joint being provided with a multi-core coaxial electrical male connector connected with the corresponding electrical passage, the other being correspondingly provided with a multi-core coaxial electrical female connector connected with the corresponding electrical passage, wherein when the male connecting joint is coaxially nested in the female connecting joint, the multi-core coaxial electrical male connector is inserted into and fitted to the multi-core coaxial electrical female connector, so that the male connecting joint and the female connecting joint are electrically connected.
A drill collar sub male joint, comprising a male joint body provided with an electrical passage therein, an opened groove being arranged at a front end of the male joint body, a male connecting joint being arranged in the opened groove, a multi-core coaxial electrical female connector connected with the electrical passage being arranged in the male connecting joint, wherein when the male connecting joint is coaxially nested in a female connecting joint matched with the male connecting joint, a multi-core coaxial electrical male connector of the female connecting joint is inserted into and fitted to the multi-core coaxial electrical female connector, so that the male connecting joint and the female connecting joint are electrically connected.
A drill collar sub female joint, comprising a female joint body provided with an electrical passage therein, an opened groove being arranged at a front end of the female joint body, a female connecting joint being arranged in the opened groove, a multi-core coaxial electrical male connector connected with the electrical passage being arranged in the female connecting joint, wherein when a male connecting joint matched with the female connecting joint is coaxially nested in the female connecting joint, the multi-core coaxial electrical male connector is inserted into and fitted to a multi-core coaxial electrical female connector of the male connecting joint, so that the male connecting joint and the female connecting joint are electrically connected.
Dependencies are inferred from the claim text.