The Jiangxi Provincial Department of Science and Technology issued a notice that the Feilong 81/2gy517f tricone drill bit developed by Feilong Drill Manufacturing Co., Ltd. of Jiangxi Yichun No.1 Machinery Factory was included in the 2004 National Key New Product Plan.
It is reported that the 81/2gy517f tri-cone bit is a new type of petroleum drill bit developed by Feilong Company using new technology and new technology. In 2002, when the drill bit was drilled in oil fields such as Shengli and North China, the average life expectancy reached 70 hours or more, and it was in short supply after being put on the market.
It is reported that the 81/2gy517f tri-cone bit is a new type of petroleum drill bit developed by Feilong Company using new technology and new technology. In 2002, when the drill bit was drilled in oil fields such as Shengli and North China, the average life expectancy reached 70 hours or more, and it was in short supply after being put on the market.
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