Research on the Characteristics of Buried Hill Interface and Logging Identification Method in Bohai Jinzhou M Oilfield
This article analyzes the six problems of buried hill interface stuck in Jinzhou M Oilfield in Bohai.Through investigation and research,it is confirmed that the main reasons that the variability of buried hill interface lithology,the influence of engineering parameters,and the vulnerability of buried hills to sticking and leaking.Corresponding countermeasures have been formulated,and the implementation has achieved good results.A total of 11 wells were applied,with an average cydes number of buried hill stuck of 2.20 times per well,compared to the average cydes number of buried hill stuck before the study,which was around 6.16 times per well,saving the average cycles number of buried hill stuck at 3.96 times per well,greatly improves the efficiency and success rate of the buried hill stuck.
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