Operation Exam For Expro Petroleum Company In Algeria

1- State the meaning of resolution relating to a pressure sensor for

example?

2- State Ohm's law showing a relationship between current, voltage &

resistance?

3- state Boyle's law showing a relationship between pressure and volume

4- How would you calculate the slope (gradient) of a straight line on standard x,y graph?

5- State the units & abbreviations for the following measurements:

A- Capacitance

B- Frequency

C- Time

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6- What is the volume of cylinder pipe measuring 3 meters long with a diameter of 10 cm? pi=3.14 give an answer in cm3

7- If a well is flowing at steady state rate of 100 barrels of oil per hour then what volume of oil produced after 2 days of constant flow?

8- What is GOR (gas oil ratio )for a well producing? million standard cubic feet of gas per day and 100 barrels of per hours give an answer in units of SCF/bbl to 3 decimal places?

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9- If pressure gauge No 1 needs 1200 psi and gauge No 2 needs 70 bar which is the higher pressure give that 1 bar =14.5 psi?

10- Give the density = mass/volume what is the mass of steel ball bearing of volume 0.5 cm3 and density of 2 gram/ cm3?

11- which of the following is True or False :

A- All Expro we are all required to work in as quickly as possible with no regard for safety ?

B- All Expro we are all required to work safety

C- All Expro people in the office are more important than the people working in the field?

D- All Expro we are encouraged to ask questions when we are unsure of correct procedure?

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12- Name 5 different hand tools commonly used in the oil field?

13- What would you do if you observed as a person working in an unsafe manner?

14- How does an electron move in a continuous current?

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Operation Exam For Expro Petroleum Company In Algeria

1- What are factors affect the penetration rates?

a) ………………………………………………

b) ………………………………………………

c) ………………………………………………

d) ………………………………………………

2- What is the problem in each of the following:

a) Pressure drop while drilling

……………………………………

b) You have losses while drilling and gain when pump stopped

…………………………………………

c) Reduction of weight indicator reading while tripping out of hole

…………………………………………

d) Reduction of weight indicator reading while tripping in hole

…………………………………………

e) You have an influx and SICP is lower than SIDPP

…………………………………………

f) You have pit gain, reduction in bottom hole pressure, no influx

……………………………………………………

3- What is the maximum weight that can be used from the BHA for WOB? Why?

…………………………………………

5- What should you do in each of the following cases:

a)You have differential stuck

…………………………………………

b)You have mechanical stuck (tight hole)

…………………………………………

c)While pulling out of hole (tripping out) you got 50

bbl. gai

…………………………………………

d) If you have stuck in salt formation

…………………………………………

6- What is the maximum allowable over pull while POOH in vertical and horizontal well

…………………………………………

7- We can use separator while drilling instead of vacuum degassed? Why

a- True b- false

8- How to use top drive function to make a connection?

…………………………………………

………………………………………….

9- d) Different types of brake?

…………………………………………

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10- What is the idea behind drill line slip & cut program? List all steps for making slip and cut?

………………………………………

…………………………………………

11- 1f connection gas is noticed while drilling, what would be considered to be a good drilling practices if an increase in mud weight is not an option at this time?

a. Flow check for longer during connection.

b.Increase drilling rate to get through zone quicker.

c.Control drilling rate to ensure only one slug of gas in annulus at any time.

d.Minimize connection time.

e.C & D.

12- Why should the well be closed in quickly after a kick has been detected?

Choose three

a.Minimize the influx into the well bore

b.Minimize the SICP

d.Minimize the bottom hole press.

e.Minimize the casing shoe pressure.

13- What is the most important step in blowout prevention once a warning sign has been detected?

a.Start circulation with pre calculated rate and kill the well with barite.
b.Shut the blowout preventer

c.Pull to the shoe quickly.

d.Call the tool pusher and company man.
e.Close the well in properly

14-If the formation pressure gradient increases from 0.60 psi/ft at 12000 ft to 0.62 psi/ft at 12700 ft, and the mud weight is 12 ppg through the interval, the

a.Overbalance increases by about 288 psi

b.Overbalance remains constant since mud weight not changed
c- Overbalance is reduced by 51 psi

d.Overbalance is reduced by 237 psi

15- If the negative pressure loss is 100 psi while pulling pipe, and if the formation pressure gradient 0.75 psi/ft at 9000 ft , and the mud gradient 0.764 psi/ft the well would:

a.Flow and require a higher trip margin

b.Would remain static throughout the trip.
c.Flow when pump stop

d. Be over pressured and lost circulation occurs

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19- Pump stroke counter is the accurate to measure the mud to keep the hole full when P.O.O.H.

a )true b )false

20- On mud pump, oil level for both gear box and chains should be checked

a- Weekly b- Daily c- Each Tour

21- Pump speed increases as the pressure loading is:

a- Decreased b- Increased

22- It is Okay to install a worn valve in a new seat.

a- False b- True

23- The sand trap compartment below the shale shaker is a very important part of the mud /solids separation.

a- False b- True

24- Which of the following should increase by increasing bit weight?

a- Penetration rate. b- Hole deviation.

c- Tooth and bearing wear rate. d- Hydraulic horsepower.

25-What causes chip hold down?

a- The greater compressive strength of older rock formation

b- A high differential pressure between the mud and the formation c- Excessive weight on a dull bit.

d- All of the above.

26- What are the causes of shale to sloughs into the hole?

a ) Mechanical vibration of drill string .

b ) In-correct mud parameter ( high water loss and mud weight )

c ) Deviation angle . d ) All the above .

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27- Why drillers do break circulation going in hole?

…………………………………………

28- The driller’s decision to pull a worn drill bit should be based on:

a- Other bit records in the area.

b- The rotary torque requirements.

c- The drilling rate

d- All of the above.

29- If the mud checked with V-G meter and the following numbers recorded, at 600 RPM is 85 & at 300 RPM is 50 .What would the yield value be ?

a- 25 LB.F/100 FT2

b- 35 LB.F/100 FT2

c- 5 LB.F/100 FT2

d- 15 LB.F/100 FT2

31- When gas is percolating the correct gauge to monitor / to maintain constant BHP during the weighting up period is:

a.Casing pressure gauge

b.Drill pipe pressure gauge

c.Bottom hole pressure gauge

d.Company man’s pressure gauge

33- Surface inside BOP equipment (Kelly safety valve) should
not be tested when BOP’s are tested.

a- False b- True

34- If the annulus and drill pipes are in communication, a choke adjustment on the annulus will reflect a change on the drill pipe side.

a- False b- True

35- If the viscosity is low and if the drilling assembly is not balled up there is no negative pressure loss.

a- False b- True

36- Vacuum pump on the degasser compresses gas inside the vacuum tank.

a- False b- True

37- When the three way valve is fully open, the vacuum in the vacuum tank is broken and less mud pulled in.

a- False b- True

38- The main purpose of the discharge jet is to remove gas from the mud.

a- True b- False

39- The main purpose of the baffle plate in vacuum degasser is to allow the mud to form as a thin layer so the vacuum can pull gas out of the mud.

a- False b- True

40- Use an “S” to indicate which of the following statements apply to soft formation bits or “H” to indicate statements applies to hard formation bits.

a- . . . .A long tooth bit

b- . . . .It can be safety used at high RPM

c- . . . .It can damage drill pipe and itself if rotated too fast

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Roustabout

To those in the oil and gas industry, it’s a well known fact that Roustabouts is one of the most dangerous parts of the job. Roustabout refers to a worker who Repair, Wash and lubricate all part of the drilling rig, roustabouts are entry-level workers who need little technical knowledge and less time to carry out Hard work in extreme conditions such as Work on the Rig in the desert climate, extreme heat and work in the sea under the cold atmosphere and ocean storms

They deal with dangerous equipment and hazardous machines that can lead to their injury or death

they frequently turn out to be long-term employees and take on more hard and sometimes dangerous jobs as they gain experience

Derrick hands

The name derrickman comes from the position they typically occupy, which is at the top of the derrick, Derrick hands are responsible for monitoring and guide the stands of drill pipe and

solving any problems

They work at high altitudes at a very high temperature during the day, very cold at night, long time without any rest where it is at risk of falling from the top constantly If they make a mistake with the equipment they can face injury or worth

Oilfield Driver

oilfield drivers are frequently at risk because the majority of desert roads are winding and not straight like mountains and valleys, it is possible to drift into a Truck

Some of the problems that drivers face also are lack of periodic maintenance of equipment and work for very long periods of time

In some cases, the excess speed that the drivers walk leads to ignite and then burn all the workers on the drilling crews so as to avoid the high speeds next to the drilling towers

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:what is the problem in each of the following

.......a) Pressure drop while drilling

wash out -lost bit nozzle-reduction of mud weight

b) Reduction of weight indicator reading while

......tripping out of hole

Normal

....c)You have losses while dilling and gain when pump stopped

Balloning Effect

d) You have an influx and SICP in lower than SIDPP

Drilling with oil base mud

Too much cutting in the annulus

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e) What is the idea behind drill line slip &cut program list all

.....steps for making slip and cut

During movement of travelling block up and down week point are generated on drilling line on pickup point on crown block &travelling block and on draw work drum while making anew

.layer of wire

Slip&cut steps hang travelling block cut length of drilling line add length of wire from supply drum

? f) Relationship between washout and twist off

If wash out was not discovered early a twist off will occure

? g) what do ypo know about h2s

A highly toxic gas that found at well and heavier than air and can located in mud pits .a flammable gas

? h) why drillers do break circulation going in hole

To fill drill string and make sure drill string is not plugged

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I)which of the following should increasing by increasing bit

? weight

a) penetration rate b) hole deviation c) tooth and bearing wear rate d) hydraulic horsepower

? j) How do you know if you getting good hole cleaning

.a) normal torque&drag. and no drag during trips

.b) suitable cutting volume on shale shaker

.c) normal pump pressure

k) why should pump pressure be limited on surface hole

? drilling

To avoid breaking formation

l) How can you check the annular volume if the hole washed

? out

by adding calcium carbide inside drill string

m) How can you controle sand content while drilling surface

?hole

by switching on desander and dumping sand

trap tank periodically

n) what drilling functions tell the driller atwist off has

? occurred

sudden reduction in pump pressure and weight reading

o) Describe briefly how to make anew D/C for the first time to

?run in the hole

Make up the new drill collar without torque then breaking it again and clean the thread then grease the thread and make it up and

.torque it

?p)How can you decreasing the differential pressure

by decreasing mud weight

? q)Different type of breake

Hydraulick brake-

Dynamic brake-

Eaton brake-

? w) What are the causes of shale to sloughs into the hole

a) mechanical vibrations of drill string

b) in-correct mud parameter(high water loss and mud weight

c) deviation angle

d) all the above

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Operation Exam For Expro Petroleum Company In Algeria

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