Jan 22, 2019 · TVD：Ture Vertical Depth，垂深。 MD：Messure Depth，测量深度。 SSTVD：Sub-surface Ture Vertical Depth，海面以下垂深。这几者之间的关系，图中一目了然 …

tvd，就是从钻台面到井底的垂直深度 MD，就是测井时从钻台面到井底的测量长度 TD，完钻后井下所有钻具总长和方钻杆方入的长度

Because wells are not always drilled vertically, there may be two "depths" for every given point in a wellbore: the measured depth (MD) measured along the path of the borehole, and the true …

MD X Y 任何一组数据都能正确定位，有的软件还可以加载TVD，井口坐标和 KB必须先加载，否则会影响轨迹的计算. KB（kelly bushing）：补心海拔。 f• MD：测量深度 TVD：垂深 Datum： …

MD、TVD 和 TVDSS 地质含义解析 详细单词及其解释： ① Z（Elevation）：海拔。 所有的海拔都是从平均海平面（MSL，Mean Sea Level）算起的，向上海拔增加，向下海 拔减小，MSL …

Jul 23, 2009 · TVDSS (true vertical depth sub sea) in vertical well will be exactly the same values as TVD but usually written in negative signs (-), so: TVDSS = (-) TVD below datum (MSL) MD …

m-tvd三目分光器件可以与目镜观察同步，能匹配显微镜1x,0.63x，0.5x接口，可做全反射或者半反半透分光，配于双目显微镜，可达到三目的效果与功能，非常方便适用。

Oct 24, 2017 · Because wells are not always drilled vertically, there may be two “depths” for every given point in a wellbore: the measured depth (MD) measured along the path of the borehole, …

Nov 9, 2011 · True Vertical Depth (TVD) is measured vertically from the surface down to a certain target down hole. Measured Depth (MD) is the total length of the wellbore measured along the …

Sep 12, 2014 · Vokey’s TVD-M is the tour version of Vokey’s SM5 M Grind wedges. It’s one of Vokey’s most popular grinds, with a narrow, crescent-shaped sole that has a moderate …