Reservoir Development and Production Quiz
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Questions and Answers

Which of the following is NOT a drive mechanism for the Ekofisk reservoir?

  • Water Drive (correct)
  • Compaction Drive
  • Solution Gas Drive
  • Pressure depletion
  • What was the original recoverable reserves of the Ekofisk reservoir?

  • 3.3 billion bbls oil (correct)
  • 5.6 TCF gas
  • 3.3 billion bbls oil and 5.6 TCF gas
  • None of the above
  • What was the development decision for the Ekofisk reservoir made?

  • 1973
  • 1974
  • 1972 (correct)
  • 1971
  • Which year did Ekofisk production license get extended to?

    <p>2022</p> Signup and view all the answers

    What is the approximate value of 6 million m3 of oil in euros at $50/bbl?

    <p>2 billion</p> Signup and view all the answers

    Which seismic technique was used to identify a fault/fracture causing unwanted flow connection between water injector I1 and producer P1?

    <p>4D seismic</p> Signup and view all the answers

    Which drive mechanism contributed the least to the primary recovery of the Ekofisk reservoir?

    <p>Water drive</p> Signup and view all the answers

    What was the initial pressure of the Ekofisk reservoir?

    <p>7135 psi</p> Signup and view all the answers

    What was the estimated final primary recovery factor of the Ekofisk reservoir?

    <p>24%</p> Signup and view all the answers

    What was the primary recovery mechanism of the Ekofisk reservoir?

    <p>Pressure depletion</p> Signup and view all the answers

    Which year did the Ekofisk field receive a production license extension?

    <p>2022</p> Signup and view all the answers

    What was the primary recovery mechanism of the Ekofisk reservoir?

    <p>Pressure depletion</p> Signup and view all the answers

    What is the approximate value of 6 million m3 of oil in euros at $50/bbl?

    <p>$2 billion</p> Signup and view all the answers

    Which phase of production in the Ekofisk reservoir is characterized by pressure depletion?

    <p>Primary production phase</p> Signup and view all the answers

    What is the typical viscosity of Ekofisk oil?

    <p>0.25 cp</p> Signup and view all the answers

    What was the recovery factor targeted in the development plan for the Ekofisk reservoir?

    <p>20%</p> Signup and view all the answers

    Which drive mechanism contributed the most to the primary recovery of the Ekofisk reservoir?

    <p>Pressure depletion</p> Signup and view all the answers

    What was the approximate increase in expected recovery from the water injector at Ekofisk?

    <p>10%</p> Signup and view all the answers

    Which technique was used to monitor the Ekofisk reservoir over time?

    <p>4D seismic</p> Signup and view all the answers

    What was the approximate decrease in porosity of the Ekofisk Chalk due to compaction?

    <p>20%</p> Signup and view all the answers

    Which platform was added to the Ekofisk field in 1989?

    <p>Ekofisk W</p> Signup and view all the answers

    What was the approximate value of 6 million m3 of oil in euros at $50/bbl?

    <p>2 billion euro</p> Signup and view all the answers

    Which year did the Ekofisk field receive a production license extension?

    <p>2022</p> Signup and view all the answers

    Which of the following is NOT a drive mechanism for the Ekofisk reservoir?

    <p>Water Drive</p> Signup and view all the answers

    What was the approximate decrease in porosity of the Ekofisk Chalk due to compaction?

    <p>50-100 mD</p> Signup and view all the answers

    What was the estimated final primary recovery factor of the Ekofisk reservoir?

    <p>20%</p> Signup and view all the answers

    Which drive mechanism contributed the most to the secondary recovery of the Ekofisk reservoir?

    <p>Water drive</p> Signup and view all the answers

    What was the approximate increase in expected recovery from the water injector at Ekofisk?

    <p>10%</p> Signup and view all the answers

    What was the approximate decrease in porosity of the Ekofisk Chalk due to compaction?

    <p>20%</p> Signup and view all the answers

    What was the estimated final primary recovery factor of the Ekofisk reservoir?

    <p>24%</p> Signup and view all the answers

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