1. Hardened cement is
a. Porous and permeable
b. Slightly porous but not permeable.
c. Non Porous and permeable
d. Slightly permeable and porous.
2. A pit drill is :
a. A drill used to excavate waste pits.
b. A drill to test the mud hardness.
c. Raising the pit level recorder manually to test the alertness of the driller.
d. short for "a pittyfull driller"
3. How do we know what pressure the formation just below the shoe can stand?
a. By using a Repeat Formation Tester (RFT) logging tool.
b. By performing a formation strength test.
c. By pressure testing the casing.
d. By calculation from the well programme.
4. If the influx volume is large because of late closing in of the well, the following pressure(s) are affected
a. Drill Pipe PressurePdp
b. Annular Pressure Pann
c. Pdp + Pann
d. Pdp and formation pressure.
5. In which way is the first build-up of Pdp and Pann affected by the permeability of the formation?
a.Low permeability -slow build up + High permeability - rapid build-up.
b.Low permeability -rapid build up + High permeability - slow build-up.
c.Low permeability -slow build up + High permeability - slow build-up.
d.Low permeability -rapid build up + High permeability - rapid build-up.
6. What is the influence of a the volume of gas influx on the height of the "Peak Pressure"?
a. The larger the initial volume the higher the peak pressure.
b. The larger the initial volume the lower the peak pressure.
c. The larger the initial volume the peak pressure stays the same.
d. The smaller the initial volume the higher the peak pressure.
7.Well control equipment should be pressure tested :
a. Once every two weeks.
b. After installation of wellhead and BOP's.
c. Prior to drilling into a presumed high pressure zone.
d. all of the above
e. When the DSV says so.
8. What is Key seating?
a. The place for the key of the V-door.
b. When drillpipe wears a slot in the wall of the hole.
c. When stabilisers are held up under the shoe.
d. When the hole is undergauged and a new drilling bit gets stuck.
9. What is a typical fishing assembly with a spear?
a. spear - spear stop - safety joint - jar - drillcollars - drillpipe - kelly
b. spear - spear stop - jar - safety joint - drillcollars - drillpipe - kelly
c. spear - safety joint - spear stop - jar - drillcollars - drillpipe - kelly
d. spear stop - spear - safety joint - jar - drillcollars - drillpipe - kelly
10. What is Formation Dip ?
a. The angle between the wellbore and a vertical.
b. The angle between a geological strata and a vertical
c. The angle between a geological strata and a horizontal.
d. The angle between the up dip and the down dip of the formation.
Answers
1. Hardened cement is : b. Slightly porous but not permeable.
2. A pit drill is : c. Raising the pit level recorder manually to test the alertness of the driller.
3. How do we know what pressure the formation just below the shoe can stand? b. By performing a formation strength test.
4. If the influx volume is large because of late closing in of the well, the following pressure(s) are affected b. Annular pressure Pann
5. In which way is the first build-up of Pdp and Pann affected by the permeability of the formation? a.Low permeability -slow build up , High permeability - rapid build-up.
6. What is the influence of a the quantity of gas influx on the height of the "Peak Pressure"? a. The larger the initial volume the higher the peak pressure.
7.Well control equipment should be pressure tested : d. all of the above
8. What is Key seating? b. When drillpipe wears a slot in the wall of the hole.
9. What is a typical fishing assembly with a spear?
a. spear - spear stop - safety joint - jar - drillcollars - drillpipe - kelly
10. What is Formation Dip ? c. The angle between a geological strata and a horizontal.
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