Core Insights - The application of multi-layered extraction technology in the Binnan Oil Management Area has led to a cumulative increase of over 1,450 tons of oil from 11 wells this year [1] - The B425 block, characterized by multiple small oil layers and significant heterogeneity, has seen improvements in oil extraction efficiency through targeted management strategies [1] Group 1: Technology and Techniques - The B425-斜12 well experienced a reduction in water cut from 89% to 55%, with an initial daily oil increase of 3 tons, accumulating 420 tons of oil [1] - The B411-斜11 well's water cut decreased from 99% to 67%, resulting in an increase of 1.2 tons of daily oil production [2] - The B425-斜102 well saw a 24.9 percentage point drop in water cut, with daily oil production rising from 2.9 tons to 3.7 tons [2] Group 2: Management Strategies - The management area is conducting detailed reservoir studies based on sedimentary characteristics to clarify the distribution and utilization status of small layers [1] - Techniques such as layered sealing and liquid control switches are being utilized to adjust production and alleviate inter-layer interference [1] - The management emphasizes precise potential extraction, implementing layered potential assessments and optimizing production parameters to enhance extraction efficiency [1]