ODP Leg 130, Hole 807A - 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）为井眼周围地层物理属性的原位测量值，分别采集于取心作业完成后（电缆测井(wireline logging)）或钻井作业过程中（随钻测井(Logging-While-Drilling，LWD)）。任一井眼所覆盖的测量数据类型（涵盖电阻率(resistivity)、伽马辐射(gamma radiation)、声波速度(velocity)、密度(density)、井眼成像(borehole images)等），取决于其科学目标与作业约束条件。