Offshore Petroleum Engineering β MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. Offshore petroleum engineering primarily deals with: (A) Onshore well drilling (B) Oil and gas exploration in oceans and seas (C) Refining crude oil onshore (D) Transporting gas pipelines inland 2. The first offshore oil well was drilled in: (A) 1891, Ohio River, USA (B) 1901, Texas, USA (C) 1947, Gulf of Mexico (D) 1950, North Sea 3. Which of the following is a floating offshore platform? (A) Fixed jacket platform (B) Semi-submersible rig (C) Gravity-based structure (D) Compliant tower 4. Jack-up rigs are most suitable for: (B) Shallow waters (up to ~120 m) (C) Arctic drilling only (D) Subsea completions 5. The acronym FPSO stands for: (A) Floating Platform Supply Operation (B) Floating Production Storage and Offloading (C) Floating Petroleum Supply Operations (D) Fixed Production System Offshore 6. Semi-submersible rigs achieve stability through: (A) Heavy anchors only (B) Partially submerged pontoons and ballast tanks (C) Tall support towers (D) Gravity foundations 7. A compliant tower is designed to: (A) Remain rigid under wave forces (B) Flex with wave and wind loads (C) Float like a ship (D) Store crude oil 8. Which offshore structure rests directly on the seabed? (A) FPSO (B) Gravity-based platform (C) Drillship (D) Spar platform 9. The deepest offshore drilling operations are usually performed using: (A) Jack-up rigs (B) Drillships (C) Fixed platforms (D) Tension-leg platforms 10. Tension-leg platforms are kept stable by: (A) Anchors with chains (B) Steel tendons in tension (C) Concrete piles (D) Subsea pumps 11. The North Sea is famous for: (A) Onshore shale gas (B) Major offshore oil and gas fields (C) Coal-bed methane reserves (D) Only LNG import terminals 12. Which drilling technique is commonly used offshore? (A) Rotary drilling (B) Cable tool drilling (C) Auger drilling (D) Percussion drilling 13. Blowout preventers (BOPs) are used in offshore drilling to: (A) Increase drilling speed (B) Prevent uncontrolled flow of formation fluids (C) Improve mud circulation (D) Enhance core recovery 14. Offshore pipelines are usually protected from corrosion by: (A) Painting only (B) Cathodic protection and coatings (C) Continuous heating (D) Use of stainless steel only 15. Subsea production systems are mainly used in: (A) Onshore wells (B) Deepwater and ultra-deepwater developments (C) Shallow water rigs (D) Refining units 16. Riser systems in offshore drilling are used to: (A) Connect the subsea BOP to the surface rig (B) Pump cement into casing (C) Control drillstring rotation (D) Supply power to subsea pumps 17. Which factor is most critical for designing offshore platforms? (A) Road transport facilities (B) Wind, waves, and current forces (C) Land elevation (D) Soil pH 18. Dynamic positioning (DP) systems are mainly used in: (A) Jack-up rigs (B) Drillships and semi-submersibles (C) Gravity-based structures (D) Compliant towers 19. Which offshore drilling unit has its own propulsion system? (A) Semi-submersible (B) Drillship (C) Jack-up (D) FPSO 20. The primary function of riser tensioners is to: (A) Reduce drillstring wear (B) Compensate for heave of floating rigs (C) Support casing weight (D) Stabilize mud rheology 21. Subsea wellheads are installed at: (A) Rig floor (B) Sea surface (C) Seabed (D) Onshore terminals 22. The largest offshore oil field discovered to date is: (A) Marlim (Brazil) (B) Safaniya (Saudi Arabia) (C) Ekofisk (North Sea) (D) Kashagan (Caspian Sea) 23. Offshore flare systems are used to: (A) Burn excess natural gas safely (B) Increase platform lighting (C) Heat crude oil (D) Provide emergency electricity 24. Which type of vessel lays subsea pipelines? (A) Drillship (B) FPSO (C) Pipe-lay barge (D) Anchor handling tug 25. Offshore drilling muds are often made environmentally friendly by using: (A) Oil-based mud only (B) Synthetic-based muds (C) Seawater without additives (D) Gasoline-based fluids 26. Which of the following is a key challenge in deepwater drilling? (A) Temperature and pressure control (B) Subsea equipment installation (C) High costs (D) All of the above 27. Subsea Christmas trees are used to: (A) Support drillstring (B) Control the flow of produced fluids from subsea wells (C) Prevent corrosion in pipelines (D) Anchor rigs to seabed 28. Which offshore drilling rig type is most mobile? (A) Jack-up (B) Semi-submersible (C) Drillship (D) Gravity-based 29. Offshore LNG terminals are mainly used for: (A) Oil refining (B) Export or import of liquefied natural gas (C) Offshore water desalination (D) Gas reinjection 30. Which offshore structure can withstand Arctic ice conditions? (A) FPSO (B) Ice-resistant gravity platform (C) Jack-up (D) Semi-submersible 31. Offshore helicopter decks must be located: (A) At the rig floor (B) On the highest safe point of the platform (C) At seabed level (D) Near mud pumps 32. Which gas poses the greatest risk during offshore drilling? (A) Methane (B) Carbon dioxide (C) Hydrogen sulfide (HβS) (D) Nitrogen 33. The offshore structure known as a spar platform is: (A) A fixed jacket (B) A tall cylindrical floating structure anchored by mooring lines (C) A gravity-based structure (D) A semi-submersible variant 34. Offshore well abandonment requires: (A) Plugging with cement (B) Removal of wellhead equipment (C) Compliance with regulations (D) All of the above 35. The deepest offshore drilling to date has exceeded: (A) 500 m (B) 1500 m (C) 3000 m (D) 3500 m 36. Which offshore structure is designed for long-term oil storage? (A) FPSO (B) Jack-up (C) Drillship (D) Semi-submersible 37. Offshore production risers are different from drilling risers because they: (A) Carry produced fluids instead of drilling mud (B) Are smaller in diameter (C) Are flexible for subsea tiebacks (D) All of the above 38. Which country leads in deepwater offshore oil production? (A) USA (B) Brazil (C) Norway (D) Nigeria 39. A major hazard for offshore platforms in hurricane-prone areas is: (A) Earthquakes (B) Typhoons and high waves (C) Volcanic eruptions (D) Subsea landslides 40. Offshore enhanced oil recovery often uses: (A) Gas injection (B) Water flooding (C) Chemical flooding (D) All of the above 41. Umbilicals in offshore production systems are used to: (A) Supply power, chemicals, and communication to subsea equipment (B) Transport crude oil (C) Anchor floating rigs (D) Measure mud density 42. A key advantage of subsea tiebacks is: (A) Reduced cost compared to fixed platforms (B) Faster field development (C) Connection of satellite fields to existing infrastructure (D) All of the above 43. Offshore oil spills are primarily prevented by: (A) Blowout preventers (B) Double-hulled tankers (C) Subsea shut-off systems (D) All of the above 44. Which offshore operation is used to stimulate production? (A) Well testing (B) Hydraulic fracturing or acidizing (C) Plug cementing (D) Abandonment 45. The term “subsea tie-in” refers to: (A) Connecting a new subsea well to an existing production system (B) Anchoring a riser to seabed (C) Installing a BOP stack (D) Cementing casing 46. Which of the following is an offshore drilling hazard? (A) Shallow gas zones (B) Gas hydrates (C) High-pressure formations (D) All of the above 47. Offshore topside facilities usually include: (A) Drilling rig (B) Production separators (C) Power generation systems (D) All of the above 48. The life of an offshore platform is usually: (A) 5β10 years (B) 15β25 years (C) 30β50 years (D) Unlimited 49. Floating LNG (FLNG) vessels are designed to: (A) Transport crude oil (B) Liquefy, store, and offload natural gas offshore (C) Drill in ultra-deepwater (D) Lay subsea pipelines 50. The decommissioning of offshore platforms involves: (A) Plugging wells with cement (B) Removing topsides and substructures (C) Environmental restoration (D) All of the above Β FOUNDATIONAL SUBJECTS (Year 1 – Year 2)Engineering Mechanics (Statics & Dynamics) β MCQsFluid Mechanics β MCQsThermodynamics β MCQsComputer Programming (e.g., MATLAB, Python) β MCQsIntroduction to Engineering β MCQsGeology for Engineers β MCQsTechnical Communication β MCQsΒ CORE PETROLEUM ENGINEERING SUBJECTS (Year 2 – Year 4)Introduction to Petroleum Engineering β MCQsPetroleum Geology β MCQsDrilling Engineering β MCQsReservoir Engineering β MCQsProduction Engineering β MCQsPetroleum Fluid Properties β MCQsWell Logging and Formation Evaluation β MCQsPetroleum Economics β MCQsPetroleum Refining and Processing β MCQs Β Natural Gas Engineering β MCQsEnhanced Oil Recovery (EOR) β MCQsWell Testing β MCQsReservoir Simulation β MCQsDrilling Fluids and Cementing β MCQsOffshore Petroleum Engineering β MCQsHealth, Safety and Environment (HSE) β MCQsPetroleum Project Management β MCQsCorrosion Engineering β MCQsArtificial Lift Techniques β MCQsPetrophysics β MCQsΒ LABORATORIES & PRACTICALS (Theory-based MCQs can be made from these)Drilling Fluids Lab β MCQsCore Analysis Lab β MCQsReservoir Simulation Lab β MCQsRock and Fluid Properties Lab β MCQsWell Logging Lab β MCQsΒ ELECTIVES (Optional/Advanced)Energy Transition and Sustainability β MCQsUnconventional Resources (Shale, Tight Gas, etc.) β MCQsData Analytics in Petroleum Engineering β MCQsGeographic Information Systems (GIS) β MCQsPetroleum Law and Policy β MCQsPipeline Engineering β MCQsRenewable Energy Integration β MCQs