The technologies could ensure the well bottom pressure keeping balanced during waiting on cement and cementing safety.
该技术能保证固井候凝过程中井底压力平衡，施工安全。
The balanced-pressure cementing designs are done for different kinds of casing cementing operations in Lu 9 Region.
针对陆9井区各种不同形式的固井，进行了平衡压力注水泥设计。
The design approach of balanced-pressure cementing is given for the wells with weak formations.
归纳给出了低压易漏井平衡压力注水泥设计的步骤。
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