This thesis systematically researches the cementing technique for Wells of easy-channeling and with weak formations.
本论文对低压易漏、易窜井的固井技术进行了较为系统的研究。
The technical measures to increase displacement efficiency are given and discussed for the Wells with weak formations.
给出并讨论了低压易漏井提高注水泥顶替效率的工艺技术措施。
Other formations are apt to form weak watered-out zones.
其它层段易形成弱水淹。
The quality of seismic data was poor because complex and special geological conditions make the reflectivity of the objective formations weak and multiples strong.
由于目的层反射弱、多次波发育，地震资料品质差，为此二次三维采集时选择了近似全三维的观测系统；
The quality of seismic data was poor because complex and special geological conditions make the reflectivity of the objective formations weak and multiples strong.
由于目的层反射弱、多次波发育，地震资料品质差，为此二次三维采集时选择了近似全三维的观测系统；
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