Geography

Location of Philippines; East: china sea; South: china sea; Pacific ocean and Atlantic ocean. The Philippines became an independent state in 1946, after gaining its sovereignty from Spain. The population…

This article talks about Demographics of the World, which include population density, ethnicity, education level, health measures, economic status, religious affiliations and other aspects of…

Main objective of this lecture is to present on Spontaneous Potential Log. The spontaneous potential (SP) curve records the naturally occurring electrical potential (voltage) produced by the…

Prime purpose of this lecture is to present on Air Masses. Air Masses are a large body of air that has properties similar to the part of…

Basic purpose of this lecture is to present on Cloud Formation. Masses of small water droplets or tiny ice crystals that float in the air. Three main types…

General purpose of this lecture is to present on Weather. Weather refers to the state of the atmosphere at a specific time and place. The one thing that…

Principle objective of this lecture is to present on Acoustic Log. Acoustic tools measure the speed of sound waves in subsurface formations. While the acoustic log can…

Major objective of this lecture is to present on Resistivity Log. Resistivity logging is a method of well logging that works by characterizing the rock or sediment…

The Neutron Log is primarily used to evaluate formation porosity, but the fact that it is really just a hydrogen detector should always be kept…

The aim of this lecture is to present on the Density Log. The formation density log is a porosity log that measures electron density of a…

Gamma Rays are high-energy electromagnetic waves which are emitted by atomic nuclei as a form of radiation. Gamma ray log is measurement of natural radioactivity…

Prime objective of this lecture is to present on what is Well Logging. Well logging chronicles the depths, subsurface formations and events encountered while drilling. Well…