The landing is thread connected with stop ring and tightened on and put into downhole with drill string. The landing sub is used as a sub above drill string before check valve is run in downhole.

就位接头与止动环用螺纹联结并上紧扣和钻柱连接下入井内，在未投入止回阀时作为钻柱上的一个接头。

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These, in turn, connect to 132KV export cables carrying the electricity to a beach landing point at Pensarn for onward transmission to the new electricity sub station at St Asaph.

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