DSDP Leg 63, Hole 468B - Well Logging Data

Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, gamma radiation, velocity, density, borehole images,…) in any hole depends on the scientific objectives and operational constraints.测井数据（Logging data）是对井眼周围地层物理性质的原位测量值，其采集时机分为取心作业完成后（采用电缆测井（wireline logging）方式）与钻进过程中（采用随钻测井（Logging-While-Drilling, LWD）方式）。任一井眼所采集的数据涵盖的参数范围（包括电阻率、伽马辐射、声波速度、密度、井眼成像等），取决于该井的科学目标与作业约束条件。