Advantages and disadvantages of open-hole completion method


Question 1) Enumerate the types of oil well drilling rigs and describe the CIRCULATORY or ROTARY system in detail with neat diagrams.

Question 2)a) Give the functions of drilling muds and add a note an oil-base muds.

b) Explain PDC bits.

Question 3) Describe with neat diagrams how formation characteristics play role in hole deviation.

Question 4) Write detail note on types of directional wells and requirements of their survey.

Question 5) Write notes on the following:

a) Well planning objective.

b) Drill collars and their uses.

c) Dog leg in directional wells.

d) Plastic viscosity and yield point of drilling mud.

e) Jack-up rig.

Question 6) Name different fishing tools and explain the tools used for fishing pipes.

Question 7) Describe differential pipe-sticking.

Question 8)a) Explain the open-hole completion method with its advantages and disadvantages.

b) What are packers? List the different packers and give the advantages of retrievable packers.

Question 9) Write notes on the following:

a) Surface indications of a well-kick.

b) Perforations.

c) Squeeze cementing & it’s uses.

d) Lost circulation materials.

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Other Engineering: Advantages and disadvantages of open-hole completion method
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