Before revision: Specification of a differential depth or a thickness: in Figure 2 above, the thickness of the reservoir penetrated by the well might be 57 mMD or 42 mTVD, even though the reservoir true stratigraphic thickness in that area (or isopach) might be only 10 m, and its true vertical thickness (isochore), 14 m. References External links Determining Lowest Astronomical Tide (LAT) Seas and Submerged Lands Act 1973 (Australia) Log Data Acquisition and Quality Control, Ph.
After revision: See alsoMeasured depthSpecification of a differential depth or a thickness: in Figure 2 above, the thickness of the reservoir penetrated by the well might be 57 mMD or 42 mTVD, even though the reservoir true stratigraphic thickness in that area (or isopach) might be only 10 m, and its true vertical thickness (isochore), 14 m. References External links Determining Lowest Astronomical Tide (LAT) Seas and Submerged Lands Act 1973 (Australia) Log Data Acquisition and Quality Control, Ph.