Oil, Gas, Energy & Utilities interview questions | Glassdoor

# Interview Questions

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## Interview Questions

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### Junior Seismic Imager at CGG was asked...

Feb 4, 2011
 how many 1s are there from 1-1008 Answers2319 --- 1, 1*, *121 1s including 100Show More Responses20100-9*9+1+1=21C(2,1)*9 + 2 * C(2,2) + 1 (the one from 100) = 21201

### Field Engineer at Schlumberger was asked...

Nov 6, 2011
 Why are manhole covers round?3 Answersso they dont have to be rotated or lined up to be replacedit's so that they cant be dropped through the holeif it's round there are no sharp edges to deal with

### REMS, Mechanical Engineer at Schlumberger was asked...

Feb 22, 2013
 If you were in a dark closet with 49 white socks and 1 black one.how many socks would you pick so as to ensure that you exit the closet with a pair of similar colored socks3 Answers3 socksthis is probability qtn and always prober provide prober answer 33 socks

Sep 28, 2010

### Geophysicist at CGG was asked...

Oct 2, 2012
 What is the area of a 16 sided regular polygon with sides of length L ?4 Answersarea = L^2/tan(2*pi/32) ~= 5*L^2area = 16*(L^2/tan(2*pi/32)/2) ~= 40*L^2Area of a regular polygon A = 1/4 *n*l^2*cot(pi/n) Where n is the number of sides = 16, l is the length of a side = L Therefore A = 1/4*16*L^2 * cot(pi/16) = 20.10*L^2.Show More Responses20.11L^2

### Process Engineer Intern at BP was asked...

Sep 13, 2009
 You are in charge of building a pipeline 200 miles from the ocean to a refinery and there is a mountain range in the way. What issues are involved in this project?3 Answersmostly the mountainsHydrate formation Slugging and pressure lossPressure loss in the piping, the pumps may need a huge head / energy requirement to push the chemicals through. The different altitudes create a change in the chemical composition, increase vapor pressure which need to be compensated for before being pumped or reacted

### Field Engineer at Halliburton was asked...

Oct 21, 2012
 How do you screw in a bolt and unscrew it?3 Answersclockwise and counter clockwiseVery slowly... lol. j/k You dont screw a bolt. Bolts are defined as headed fasteners having external threads that meet an exacting, uniform bolt thread specification (such as M, MJ, UN, UNR, and UNJ) such that they can accept a nontapered nut. Screws are defined as headed, externally-threaded fasteners that do not meet the above definition of boltsu dont screw a bolt...u wrench it

### Intern at Halliburton was asked...

Oct 21, 2012
 Brain Teaser: Swap two numbers without using a temporary third variable.3 AnswersI provided a solution involving using multiplication/division to store the information about both numbers in a single variableExample: A=5, B=7 B=B*A^2=7*25 A=B/(A^2)=7*25/25=7 B=sqrt(B/A)=sqrt(7*25/7)=5a = a+ b b = a - b a = a-b

### Seismic Imager at CGG was asked...

May 1, 2012
 What is the most important thing you look for in a job? 3 AnswersBoilerplate, I know but I wasn't expecting it with this interview.What were the main math areas that they based the questions on? I know you mentioned statistics - by that do you mean probability mainly?Yes, probability. It's all math that you should have gotten in high school or your first year in college.

Jun 3, 2013
 Why are you interested in working for Baker Hughes as a field engineer?3 Answershow long it took from the last interview until you get the offer?Since my BHE session ended on a Friday, we were promised to hear back on Monday morning. I was contacted around 10AM CST and received the e-mail package the following evening.What was you answers to that quiestion?
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