Answer the following questions.
Question 1) Explain with neat diagrams, the stratigraphic control of the sealing of fault traps.
Question 2) Write down the characteristics of folds important to petroleum geologist and explain with neat figures, cross folding and multiple axes in relation to closure.
Question 3) Explain recognition of subsurface unconformities and explain relation of unconformities to traps for oil and gas production. Comment on effect of unconformities on oil and gas prospects.
Question 4) What are Reconnaissance and detail maps? How much errors are permissible in their construction.
Question 5) Write notes on the following:
a) Mental factors in wild catting.
b) Flowage or stretching during folding.
c) Piedment scraps.
d) Truncation.
e) Fractures as reservoir rocks
Question 6) Out line origin of saltdomes, with reference to model studies.
Question 7) What are buried hills? Describe with neat figures, traps within, around and over buried hills.
Question 8) Write notes on the following:
a) Reversal due to faulting.
b) Strike overlap.
c) Closures produced by intersecting faults.
d) Geologic and areal maps.
e) Structural conditions favouring production from fractures.