重力测井是指在井中进行重力测量的一种新型测井方法，与地面重力勘探不同之处是，它通过沿垂向做重力测量去探测横向上的密度异常体。
重力测井具有探测范围大、受井径变化影响小、重复观测周期短、不受目的层埋深限制等优点。
Gravity log has such advantages as wide investigation range, small effect of caliper variation, short repeated observation cycle, no limit for depth of the interested zone.
河北物探局受总公司委托来渝试验重力测井仪，试图在碳酸岩盐地层的溶洞、裂缝和礁体等的探测上见到好的效果。
Especially, the meter is more superior in looking for vugs, reefs and the reservoirs with large pores and fractures far away from the wellbore.
使用的物探方法有重力、地面和航空磁法、地面和航空电磁、IP／ 电阻率法、钻孔物探测井及地震反射。
Methods used have been gravity, ground and airborne magnetics, ground and airborne electromagnetics, IP/resistivity, downhole geophysical logging, and reflection seismic.
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