Engineering Ethics 2_v0c-1
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ENGR/PHYS 216
Engineering Ethics 2
Agenda
Course evaulation
Review Impediments to Ethical
Engineering Practice (pre-class reading)
Group Discussions of Impediments to
Ethical Engineering Practice as applied
to the Deepwater Horizon Disaster (pre-
class reading)
Course Review
Course Evaluation
Follow email instructions
Formerly at pica.tamu.edu
See the following website:
https://tamu.aefis.net/index.cfm/page/Aef
isSurvey.home?surveycontrolleritemid=199
.
Note that the preferred browsers are
Chrome and Firefox.
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W12 HW: Fire escape
system
?
D
=
?
?
?
2
2
This geometry
Disk
Flywheel
Mech. Advantage
+ Flywheel
Assume hubs, spokes, webs are negligible
?
?
Best possible is
(thin hoop)
?
ℎ
HW13: Transient
response
•
How determine system is
critically damped?
•
How decide how long to plot?
The Engineering Practice Act:
Code of Ethics for the Texas PE
Six Canons in Ch. 137, Subch. C:
Engineers Shall:
Hold paramount health, safety and welfare of the
public
Perform only in areas of competence
Issue statements in Objective and Truthful manner
Act as faithful agents or trustees
Avoid deceptive acts
Conduct themselves honorably, responsibly, ethically,
and lawfully
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Macondo and Deepwater Horizon
20 April 2010-
17
Injured
11
Killed
210
M
Gallons
Crude Oil
87 Days
Apr.- July 2010
•
41 miles SE Louisiana
coast
•
Well: 18,000 ft (5,000 ft
water depth + 13,000 ft)
•
Firms: BP, Transocean
(operator), Halliburton
•
Feb 15- Mar. 8 ($ 96 M),
with duration extended
few times, causing
additional $ 40 M
Macondo Operation
57 ft
Tall
400
tons
Weight
3000
m
Deep
water
Deepwater Horizon
Blowout
https://www.youtube.com/watch?v=FCVCOWejlag
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Casing/Cementing Design
Well Cementing
: Process of placing cement in the annulus between the
casing and the wellbore for: hydraulic sealing, zonal isolation, structural
support of casing, corrosion prevention, etc.
Casing
: Large diameter pipe installed into a borehole, for zone isolation with
different fluids and pressures-, seals off high pressure zones from the surface
to avoid blowout, etc.
Role of Centralizers
Deepwater Horizon
Disaster Contributing
Factors
Use of fewer Centralizes than recommended
Reduced Pre-Cementing Tests
Poor cementing process; using limited concrete
material
BP chosing to ignore Haliburton’s test results
showing that the cement was unstable
Cement job completed just after midnight on Apr 20
was deemed a success
Misinterpretation of pressure readings hours later
Blow-Out Preventer (BOP) failure
Reminders
HW13 is a timed, 30-minute, 25-
question take-home quiz due before
11:59PM today
Final Exam Schedule
Sec 550, 8AM to 10AM Mon Dec 13
Sec 552, 3:30PM to 5:30PM Tue Dec
14
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Final Exam Review (1)
Weeks 1, 4 - 6
Measurement Uncertainty
Statistics and Probability
Weeks 2 & 5
Matrix Algebra
Universal Accounting Equation
Final Exam Review (2)
Weeks 3, 8a & 9
Newton’s Laws & Linear Motion
Statics (Particle) & Free-Body Diagrams
Collisions
Weeks 8b, 10 & 11
Newton’s Laws & Rotational Motion
Moments, Statics (Rigid Bodies)
Design Example (Fire Escape)
Final Exam Questions?
(1)
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Final Exam Questions?
(2)
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