Questions to be ready with to discuss “Introduction to Offshore Vessels”

1. What does the word “offshore” in the oil and gas industry refer to?

2. What are the main activities of offshore industry?

3. What purposes do service ships, industrial ships, technical ships, dredgers and cable laying vessels serve?

4. What two big types are drilling rigs divided into?

5. How are floaters subclassified?

6. What two important things are drill ships and semi-submersible drilling units different in?

7. What is dynamic positioning system and what underway and maneuvering gears does it use? What DP classes do you know?

8. What two types of ships is the offshore service vessel market occupied by? Which type makes up a bigger number of offshore vessels?

9. Can you describe four groups of multi-purpose support vessels?

10. What is ROV and where is it used?

11. What loads do HLCV lift?

12. What field do pipe layers work in?

13. Can you give a general characteristic of a supplier?

14. What purposes do PSV, AHT, AHTS vessel and TSV serve? What are their design features?

15. Can you remember any other purposes the offshore vessels serve?

Vocabulary for presentation ‘offshore activities and offshore vessels/units in operation’

ACTIVITIES 1, 2: SEISMIC SURVEYING & EXPLORATION AND PRODUCTION DRILLING

seismic surveyor	сейсморазведочное судно
production drilling	производственное / эксплуатационное бурение
initiate	зд. создавать
collect	зд. снимать
air gun	пневмопушка
streamer	сейсмоприёмная коса, сейсморазведочный кабель
jack-up drilling rig	самоподъемная буровая платформа
semisubmersible drilling rig	полупогружная буровая платформа
drill ship	буровое судно
stand still	стоять на месте
supporting leg	опорная стойка
self-propulsion	самоходность
exploration drilling	разведочное бурение
drilling derrick	буровая вышка
drill floor	пол буровой вышки
wind wall	ветрозащитная стена
monkey platform	малая платформа буровой вышки
exploration well	поисково-разведочная скважина
production well	добывающая скважина
column	стабилизирующая вертикальная колонна
hull / pontoon / floater	понтон полупогружной платформы
ship-shaped type drilling vessel	буровое судно
motion behaviour	двигательная активность
harsh environments	суровые природные условия
extended working window	увеличение рабочего окна1
cross brace	поперечное крепление, раскос
anchor rack	якоредержатель2
corner edge	край угловой колонны
well maintenance	техническое обслуживание скважины
well completion	заканчивание скважины3
casing installation	установка обсадной колонны / крепления скважины
tubing installation	установка трубопроводов
tree installation	установка фонтанной арматуры на основании платформы
riser and pipe storage	стеллаж для хранения секций водоотделяющей колонны4
consecutive wells	следующие подряд скважины
supply handling crane	кран для подъема и спуска контейнеров со снабжением

QUESTIONS TO BE DISCUSSED FOR OFFSHORE ACTIVITIES 1, 2

1. What information do seismic surveyors produce?

2. How is the information for production drilling obtained?

3. What is used to initiate sound waves?

4. Where are the detectors for sound waves reflections located?

5. What three types do drilling units fall into?

6. Can you give a definition of a jack-up drilling rig?

7. What water depths can they operate in?

8. How are jack-ups moved? Can they be self-propelled?

9. What shapes are jack-ups available in? Do different shapes of jack-up rig serve the same purposes?

10. Why did the need for semi-submersible drilling unit occur?

11. What kinds of drilling are implemented by semisubs?

12. Where are the columns sitting?

13. What depths can semisubs operate in?

14. How are semisubs moved? Can they be self-propelled?

15. What advantage does the semisub have due to its motion behaviour in harsh environments?

16. How many columns support the semisub on slide 12?

17. What kinds of brace are used between the columns?

18. What kind of drilling does drillship perform?

19. What depths do drillships operate in?

20. What other works can drillships do?

21. How are drillships kept in position?

22. Can you compare pros and cons of anchored drillships and DP drillships?

23. What are the greatest advantages of modern drillships?

24. Why are some drill ships equipped with two drilling towers?

25. What compartment does figure 3 on slide 16 show?