Answer the following questions.
Question 1) Explain the use of gravity, magnetics seismic reflection and seismic refraction in hydrocarbon exploration.
Question 2) Explain how gravity method is useful in petroleum exploration, support your answer with some examples.
Question 3) Write a note on Rubidium or Cesium vapour magnetometer.
Question 4) Describe the significance of free air and bouguer corrections in gravity prospecting.
Question 5) Write detail a note on processes responsible for microseepages of hydrocarbon.
Question 6) Write four stages of geochemical prospecting for hydrocarbon.
Question 7) Write notes on the following:
a) Fermat’sprinciple.
b) What are the different seismic elastic waves.
c) Use of satellite imagery for oil prospecting.
d) Secular and diurnal correction in magnetic method.
e) Base station importance in gravity survey.
Question 8) What physical parameter of the earth is measured in:
a) Gravity.
b) Magnetic.
c) Seismic refraction draw diagrams to illustrate your answer.
Question 9) What are the various remote sensing techniques in petroleum exploration give their uses and limitations.