Logging releasable headstall structure

The utility model discloses a releasable headstall structure for logging. The releasable headstall structure comprises a spliced headstall pipe body and a cable connecting assembly capable of being separated from the headstall pipe body. A fixed clamping structure is arranged in the headstall pipe body; one end of the cable connecting assembly is plugged into the headstall pipe body and can be arranged in an expanding mode, the fixing clamping structure limits contraction of the cable connecting assembly, and the cable connecting assembly is clamped in the headstall pipe body. According to the releasable headstall structure for well logging, the cable connecting assembly can be conveniently pulled to be separated from the headstall, so that the safety of an instrument connected with the headstall is ensured. 本实用新型公开了一种测井可释放马笼头结构，包括拼接的马笼头管体以及可脱离马笼头管体的电缆连接组件；所述马笼头管体内设置有固定卡合结构；所述电缆连接组件一端塞入马笼头管体内可扩张设置，所述固定卡合结构限制电缆连接组件收缩，则所述电缆连接组件卡在马笼头管体内。本实用新型提供一种测井可释放马笼头结构能方便拉动电缆连接组件与马笼头脱离，以确保与马笼头连接的仪器的安全。