PETR 3318 Well Drilling and Completion I
Exam 2 (Closed Book)
October 26, 2017
(max 75 min)
Name:
... [Show More] _______________________________________________________________________ (Underline your last name)
I promise that I will not copy or let others copy from me during this test. _____________________
Initials
Return these nine pages with your answers.
Close book. Nothing allowed on your desk except calculator, pen, markers, pencil, eraser
and ruler.
IMPORTANT: DO NOT UNSTAPLE THE PAGES IN THIS EXAM. DO NOT USE ANY OTHER PAPER.
Notice that some equations and unit conversion factors that you may need are included in
page nine of this exam. Review this information to become aware of what has been made
available to you for this exam.
Fit your answers only to the front pages of this exam. Exceptionally, if you run out of space
when writing your answers, continue on the reverse side and, in that case, indicate very
clearly with an arrow that you are going to continue writing on the back of that particular
page. All the pages in your exam will be scanned and we might not see your work on the
reverse side of some pages.
Problem 1. (10%)
a) (6%) What is the name of the systems used by drillships in deep and ultradeep water to
hold the vessel on location over the borehole and compensate for the action of the wind,
waves and currents against the vessel?
b-e) (1% each) List and briefly describe the four main components of those systems?
Problem 1 Solution:
a) _____________________________________________________________________________________________________
b) _____________________________________________________________________________________________________
c) _____________________________________________________________________________________________________
d) _____________________________________________________________________________________________________
e) _____________________________________________________________________________________________________
PETR 3318 Exam 2 (Closed Book)
- 2 -
Problem 2. (10%)
a) (6%) What is the name of the pipe to conduct drilling mud from a drillship to the ocean
floor in deep and ultradeep water?
b) (1%) What is the type and function of the joint in this pipe at the drillship floor?
c) (1%) What is the type and function of the joint in this pipe at the ocean floor?
d) (1%) What is the name of the system to secure this pipe to the drillship?
e) (1%) What kind of sections are sometimes added to reduce tension when this pipe is
long and heavy [Show Less]
