Petroleum Engineering Sample Questions

1. What do roughnecks do on the rig? Hard manual labour. 2. Who are the supervisors of the drilling rig? Rig manager 3. Who is the supervisor for both the driller and… Drilling engineer

4. What casing is used to prevent the unconsolidated formation from caving in Conductor casing 5. How does the yield strength of structure of………

6. How does the thickness of drill pipe….

7. What are five major components of the Draw works,block and tackle,crown block,derrick and substructure, 8. Q 9. Q 10. Q 11. Q 12. Q 13. list two functions of a packer:  Prevent downhole movement of the tubing string  Support some of the weight of the tubing 14. list two factors that affect a completion design Packers ,Elastomers, Flow control equipment 15.

what is the function of perforation

16. with respect to stimulation briefly describe the process of acidizing acidizing is performed below the reservoir fracture pressure in an effort to restore the natural permeability of the reservoir rock 17.

list two limitations and advantages of openhole completions

Adv- lower intial cost, max reservoir exposure Dis- minimal inflow and outflow control, more difficuilt stimulations 18. Apart from hydraulic fracturing list two other types of fracturing techniques used in stimulation of a well matrix acidizing and fracture acidizing. 19.

Remedial work to primary cementing job is called….

20. the

Given that a reservoir exists above the bubble point pressure for

21. hydrocarbon and also only water and hydrocarbon is present.give an equation that will represent fluid saturation in the reservoir

22.

list two factors that can affect the values of porosity

Rate of Burial and Depth of Burial 23.

How does overburden pressure affect the value of k?

Overburden pressure can reduce the value of k 24.

What is effective porosity

Refers to the fraction of that volume in which fluid flow is effectively taking place 25.

Which of the following is relative permeability?

Relative permeability is defined as the ratio of the efffective permeability of a fluid at a given value of saturation to the effective permeability of that fluid at 100% saturation 26. what is connate water saturation and what are the properties of water that cause it to wet/adhere to the surface of the rock?

27. what information can be attained from the relative permeability curve? Rwo,Rto, Water satuation. 28. Q 29. Given that a rock has a volume of 1000cm3 and its porosity value is 20% Calculate the space of this rock in m3. .2m 30. define a wet gas making reference to the stock tank conditions A wet gas has a GOR