單動(dòng)雙層巖芯管鉆具結(jié)構(gòu)簡(jiǎn)單、操作方便、同軸度好,使用壽命長,能有效地提高巖、礦芯采取率, 保證巖、礦芯的完整度。
The swivel-tube barrel can effectively increase core recovery fatio. It is suitable for drilling in formations which have oblique holes. It is effective to assure hole quality.
雙管鉆具:國際標(biāo)準(zhǔn):T2-76、T2-86、T2-101、T6-101、T6-131
雙管鉆具:國內(nèi)標(biāo)準(zhǔn): P56、P59、P75、P91、PA-110、PA-130、PA-150
Double tube core barrel:International Standard:T2-76、T2-86、T2-101、T6-101、T6-131
Double tube core barrel:National Standard:P56、P59、P75、P91、PA-110、PA-130、PA-150
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