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专利申请号:CN201320543719.0公开号:CN203499668U申请日:2013.09.03公开日:2014.03.26申请人:陕西沃森石油仪器有限公司本实用新型中子测井仪刻度装置涉及一种中子测井仪的刻度装置。中子测井仪刻度装置,包括圆柱筒体,筒体内设有一与筒体同中心轴的圆柱状内筒,筒体与内筒之间形成环形腔体,该环形腔体两端密封,内筒两端设有与之密封的密封装置,该密封装置的横截面大于内筒两端端口的横截面,内
Patent Application No. CN201320543719 Publication Number CN203499668U Date of Application: 2013.09.03 Date of disclosure: 2014.03.26 Applicant: Shaanxi Watson Petroleum Instruments Co., Ltd. The utility model relates to a neutron log calibrating device which relates to a neutron log Instrument scale device. The neutron log calibrating device includes a cylindrical cylinder, a cylindrical inner cylinder having a central axis with the cylinder body is arranged in the cylinder body, an annular cavity is formed between the cylinder body and the inner cylinder, both ends of the annular cavity are sealed, The two ends of the cylinder are provided with a sealing device sealed with the same, the cross-section of the sealing device is larger than the cross-section of the two ends of the inner cylinder,