Answer the following problems.

problem 1) describe the use of gravity, magnetics seismic reflection and seismic refraction in hydrocarbon exploration.

problem 2) describe how gravity method is useful in petroleum exploration, support your answer with some exs.

problem 3) prepare a note on Rubidium or Cesium vapour magnetometer.

problem 4) Describe the significance of free air and bouguer corrections in gravity prospecting.

problem 5) prepare detail a note on processes responsible for microseepages of hydrocarbon.

problem 6) prepare four stages of geochemical prospecting for hydrocarbon.

problem 7) prepare 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.

problem 8) What physical parameter of the earth is measured in:

a) Gravity.

b) Magnetic.

c) Seismic refraction draw diagrams to illustrate your answer.

problem 9) What are the various remote sensing techniques in petroleum exploration give their uses and limitations.