The diamond drill bit produced by Sinopec Oilfield Equipment Corp in Wuhan, Hubei province, is playing a big part in excavating an ultra-deep oil well in the Tarim Basin of the Xinjiang Uygur ...

Spudding is the first step to drilling a well in the oil and gas industry. A large drill bit is initially used to clear a surface hole. The initial drilling is lined with casing and cement to ...