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INTERNAL SEALS FOR THE FEET OF DRILLING - AND / OR PRODUCTION PLATFORM WITH THE CONSTRUCTION BOOM LOWER BOUND axle bodies.
INTERNAL SEALS FOR THE FEET OF DRILLING - AND / OR PRODUCTION PLATFORM WITH THE CONSTRUCTION BOOM LOWER BOUND axle bodies.
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机译:用于带有构造臂下部约束轴体的钻孔和/或生产平台的内部密封件。
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摘要
This invention relates to seals for the knuckle pins connecting the legs of a drilling and/or production platform to the knuckle posts which are connected to spud tanks.
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