Chesapeake Energy, one of the biggest shale-gas firms, recently abandoned plans to drill in New York State after such worries were raised there.
最近,最大的页岩天然气开发公司之一,Chesapeake能源公司就因为此类担忧而放弃了在纽约州的钻探计划。
Many reasons like out sand, deposition of case dirty, falling things and cement injection can cause the drill pipe sticking and the well abandoned.
因出砂、套管垢沉积、落物、注灰等原因常造成钻杆卡钻,导致油水井报废。
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