Question 1)a) Explain the well design considerations for high pressure, high temperature deep drilling program. Write down the possible challenges and solution in brief.
b) Explain the step by step operation of lowering TGB and drilling 30º hole and lowering structural casing and cementation in deep water drilling with appropriate sketches.
Question 2)a) Compute new kG if rig displacement of 21000 Tons and kG of 58 feet. A weight of 180 tons with VCG of 11 ft is moved to VCG of 167 ft.
b) Explain different mathematical equations to calculate wind, wave and current forces acting on offshore structures. State and describe assumptions and parameters of these equations.
Question 3)a) Explain Lower Marine Riser Pack (LMRP). Draw typical subsea BOP stack with LMRP.
b) Explain Dynamic Positioning System of station keeping in detail
Question 4)a) Write brief notes on:
i) Subsea Diving System.
ii) Riser design considerations.
b) Draw neat schematic diagram of a, ‘typical subsea well completion system.’ Indicate all the features.
Question 5)a) What is tension leg platform? Explain design considerations in brief, for the same.
b) Describe tubular joint classification in brief with suitable sketch.
Question 6)a) What is well cementation? Describe a typical well cementation programme for deep water (offshore) well.
b) Write down the types of subsea horizontal trees in detail.
Question 7) Write brief notes on:
a) Marine terminals and transport.
b) Offshore safety.
c) Forces and motions acting on fixed platform.
Question 8)a) Explain in detail productive formation testing methods, in brief.
b) Describe design consideration in oil and gas pipeline.