The paper introduces a new type slim - hole MWD tool, which is capable of accurately measuring downhole annular pressure and pressure effect caused by swabbing and waveness.
文章介绍一种新型小井眼随钻测井仪，它能够精确测量井底环空
力以及抽吸和波动引起的力效应。
} shaft bottomThe paper introduces a new type slim - hole MWD tool, which is capable of accurately measuring downhole annular pressure and pressure effect caused by swabbing and waveness.
文章介绍一种新型小井眼随钻测井仪，它能够精确测量井底环空力以及抽吸和波动引起的力效应。
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