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Questions and Answers

Which type of platform is installed with surface facilities for oilfield production?

  • Floating platform
  • Fixed platform (correct)
  • Sea-bed platform
  • Land platform

What is the purpose of a Field Development Plan?

  • To specify the engineering, operational, and economical aspects of the project (correct)
  • To appraise the field
  • To commence detailed work on the project
  • To prepare a feasibility study

What is the cumulative cash flow during the field life cycle?

  • $-500 million
  • $1000 million
  • $500 million (correct)
  • $0 million

Which of the following is a reason for performing workovers on a well?

<p>Unsatisfactory performance (B)</p> Signup and view all the answers

What is the primary goal of secondary recovery in oil production?

<p>To increase the reservoir's energy (C)</p> Signup and view all the answers

What is the main purpose of well abandonment?

<p>To plug and abandon hydrocarbon-bearing intervals (B)</p> Signup and view all the answers

What is the name of the world's largest ship capable of removing offshore platforms in a single lift?

<p>Pioneering Spirit (B)</p> Signup and view all the answers

What is the purpose of surface facilities in oil and gas production?

<p>To separate, treat, and export the fluids from the wells (C)</p> Signup and view all the answers

What is the purpose of water de-oiling in the treatment of separated water?

<p>To remove oil from the separated water (C)</p> Signup and view all the answers

What is the purpose of oil degassing in the treatment process?

<p>To remove volatile components from the oil (B)</p> Signup and view all the answers

What is the typical production profile for an oil reservoir?

<p>Peak production period followed by decline and perhaps rejuvenation (D)</p> Signup and view all the answers

Which one of the following is a key advantage of horizontal wells?

<p>All of the above (D)</p> Signup and view all the answers

Which one of the following is true about multilateral wells?

<p>They are more popular in Russia and the Middle East (D)</p> Signup and view all the answers

Which one of the following is a key feature of lower completions in well completions?

<p>All of the above (D)</p> Signup and view all the answers

Which one of the following is a basic type of artificial lift system?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is a key component of a Field Development Plan?

<p>Feasibility study (B)</p> Signup and view all the answers

What is the purpose of well completions in oil and gas production?

<p>To prepare the reservoir for production (D)</p> Signup and view all the answers

What is the cumulative cash flow during the field life cycle?

<p>$1500 (B)</p> Signup and view all the answers

Which one of the following is a reason for performing workovers on a well?

<p>To change the locations of the producing zone (B)</p> Signup and view all the answers

What is the primary goal of secondary recovery in oil production?

<p>To change the flow paths (D)</p> Signup and view all the answers

What is the main purpose of well abandonment?

<p>To decommission offshore installations (D)</p> Signup and view all the answers

What is the cumulative cash flow during the field life cycle?

<p>Exploration, Appraisal, Development, Production (B)</p> Signup and view all the answers

Which one of the following is a key step in oil and gas production that involves removing volatile components from the oil to satisfy the true vapor pressure requirements?

<p>Oil dehydration (A)</p> Signup and view all the answers

What is the main purpose of gas compression in oil and gas production?

<p>To increase the pressure of the gas (C)</p> Signup and view all the answers

Which of the following is a key consideration in the production profile of a gas reservoir?

<p>Plateau period (C)</p> Signup and view all the answers

What is the primary goal of well testing in oil and gas production?

<p>To determine the initial well flow rate (C)</p> Signup and view all the answers

Which one of the following is a key advantage of horizontal wells?

<p>Ability to connect laterally discontinuous features (D)</p> Signup and view all the answers

What is the purpose of artificial lift in oil production?

<p>To enable hydrocarbons to come to the surface (C)</p> Signup and view all the answers

What is the main purpose of well interventions (workovers)?

<p>To perform operations within the wellbore after initial completion (B)</p> Signup and view all the answers

What is the equation for the steady-state flow rate up a well?

<p>$q_0 \propto R(P_{wf} - P_{WH})$ (C)</p> Signup and view all the answers

Which one of the following is a key consideration in the selection of a production platform for oilfield production?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of well logging while drilling and geosteering?

<p>To measure the properties of the rocks while drilling (A)</p> Signup and view all the answers

What is the primary goal of secondary recovery in oil production?

<p>To extend the life of the reservoir (D)</p> Signup and view all the answers

What is the purpose of workovers in oil and gas production?

<p>To restimulate or re-perforate the well (D)</p> Signup and view all the answers

What is the primary goal of secondary recovery in oil production?

<p>To improve porescale efficiency (B)</p> Signup and view all the answers

What percentage of UKCS decommissioning costs are associated with well plugging and abandonment?

<p>40% (C)</p> Signup and view all the answers

What is the primary purpose of isolating hydrocarbon-bearing intervals during well abandonment?

<p>To protect aquifers (A)</p> Signup and view all the answers

Which one of the following is a key step in the treatment of separated water in oil and gas production?

<p>Oil dehydration (D)</p> Signup and view all the answers

Which one of the following is a key consideration in the production profile of an oil reservoir?

<p>Plateau period (C)</p> Signup and view all the answers

What is the primary purpose of gas compression in oil and gas production?

<p>To transport gas to desired pressure (C)</p> Signup and view all the answers

What is the equation for the steady-state flow rate up a well?

<p>$q_o = PI(P_R - P_{wf})$ (D)</p> Signup and view all the answers

Which one of the following is a key advantage of horizontal wells?

<p>They have longer reservoir sections, leading to higher production indices (B)</p> Signup and view all the answers

What is the main purpose of Logging While Drilling (LWD)?

<p>To provide real-time information about the formation while drilling (C)</p> Signup and view all the answers

What is the primary purpose of well completions in oil and gas production?

<p>To provide communication between the well and the reservoir (A)</p> Signup and view all the answers

What is the main purpose of artificial lift in oil production?

<p>To enable or encourage the hydrocarbons to come to the surface (B)</p> Signup and view all the answers

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