JM825 multiparameter coded logging tool is a kind of produchon logging dev ice with diameter of 25nun,which can realize the coded data transndssion by mean s of single core cable.

• 针对目前单芯测井电缆一次最多仅能传输3种参数,且全井动态参数的录取需分次分时取得,测井时效低等问题,研制成功JM825多参数编码测井仪。