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yi zhong xin xing hua xue she kong qi
Author(s): 
Pages: 44-47
Year: Issue:  2
Journal: Well Logging Technology

Keyword:  射孔器射孔深度泥浆循环钻头水眼钻井作业高压地层卡钻事故化学剂大小头偏心器;
Abstract: <正> 近年,国外研制成功一种以三氟化溴为射孔燃料的8英寸钻挺的新型化学射孔器。它不仅对钻井作业有着重要的意义,而且使射孔工艺前进了一大步。钻链射孔的作用与方法在钻井过程中,如遇高压地层,就会发生井涌,为此必须加重泥浆循环压井。若此时钻头水眼堵塞,泥浆循环不通,不及时设法恢复泥浆循环,就会造成井喷或卡钻事故。到目前为止,处理这种
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