Oil and Gas Production and Operations Quiz
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Questions and Answers

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

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

What is the purpose of a Field Development Plan?

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

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

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

What is a reason for performing workovers on a well?

<p>Unsatisfactory performance (C)</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 by pushing remaining oil towards production wells (A)</p> Signup and view all the answers

What is the main objective during well abandonment in oil production?

<p>To isolate hydrocarbon-bearing intervals to prevent aquifer contamination (B)</p> Signup and view all the answers

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

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

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

<p>To transport gas to the desired pressure before it is used or exported for sale (B)</p> Signup and view all the answers

What is the main function of Logging While Drilling (LWD) in oil production?

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

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

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

What is the main purpose of well abandonment in offshore installations?

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

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

<p>To remove water from crude oil to meet required standards (B)</p> Signup and view all the answers

What is the function of gas compression in oil and gas production?

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

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

<p>To determine the initial well flow rate for production planning and reservoir management (D)</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 (B)</p> Signup and view all the answers

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

<p>To permanently seal and isolate hydrocarbon-bearing intervals to prevent leakage or contamination (A)</p> Signup and view all the answers

What is the process of removing the volatile components from the oil to ensure it remains in liquid form?

<p>Oil degassing (B)</p> Signup and view all the answers

What are the key features of lower completions in well completions?

<p>Liners, packers, and cemented and perforated completions (B)</p> Signup and view all the answers

What do artificial lift systems in oil and gas production provide?

<p>A mechanical means of pushing or pulling fluids to the surface, and lower the density of hydrocarbon to help it rise (B)</p> Signup and view all the answers

Flashcards

Fixed platform

A type of offshore platform used for oil production, often with a fixed structure and facilities.

Field Development Plan

A comprehensive document that outlines the engineering, operational, and financial aspects of an oilfield development project.

Cumulative Cash Flow

The total amount of money earned or spent over the entire lifespan of an oilfield.

Well workover

A maintenance operation performed on a well to address issues like declining production, equipment failure, or reservoir pressure changes.

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Secondary Recovery

Techniques used to enhance oil production by injecting fluids into the reservoir to improve oil flow to the well.

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Well Abandonment

The process of permanently sealing and isolating a well to prevent environmental damage.

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Steady-state flow rate

The flow rate of oil through the wellbore under stable conditions, calculated by the equation.

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Gas compression

A process that increases the pressure of natural gas before it's transported or used.

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Logging While Drilling (LWD)

A technique for gathering real-time information about rock properties and reservoir conditions while drilling a well.

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Secondary Recovery in oil and gas production

Techniques used to improve oil production by altering flow paths and enhancing reservoir energy.

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Well abandonment in offshore installations

To safely decommission and dismantle offshore production facilities at the end of their life.

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Oil dehydration

A process used to remove water from crude oil to meet specific water content standards.

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Gas compression in oil and gas production

A process that increases the pressure of natural gas before it's transported or used.

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Well testing

A process used to evaluate a well's production potential by measuring flow rate, pressure, and other parameters.

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Primary goal of secondary recovery in oil production

A technique used to increase the reservoir's energy and improve oil recovery.

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Main purpose of well abandonment in oil and gas production

To permanently seal and isolate hydrocarbon-bearing intervals.

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Oil degassing

Removing volatile components from the oil to prevent vaporization and ensure it remains a liquid.

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Lower completions

Components like liners, packers, and cemented and perforated sections that connect the wellbore to the reservoir.

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Artificial lift systems

Systems that use mechanical means to lift oil to the surface, often used when natural pressure is insufficient.

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Study Notes

Oil and Gas Production and Operations

  • Workovers are performed to address unsatisfactory performance of a well, such as restimulating or re-perforating.
  • The primary goal of secondary recovery in oil production is to increase the reservoir's energy, typically through methods such as water or gas injection.
  • The main purpose of well abandonment is to permanently seal and isolate hydrocarbon-bearing intervals to prevent any leakage or contamination.
  • The world's largest ship capable of removing offshore platforms in a single lift is called Pioneering Spirit.
  • Surface facilities in oil and gas production are used to separate, treat, and export the fluids from the wells, including oil, gas, water, and undesirable materials.
  • Water de-oiling is the process of removing oil from the separated water, as the oil may exceed the permitted proportions for disposal.
  • Oil degassing is the process of removing the volatile components from the oil to ensure it remains in liquid form.
  • A typical oilfield production profile includes a peak production period followed by decline and possibly rejuvenation, and ultimately abandonment when operating costs exceed production profit.
  • Horizontal wells have the advantages of longer reservoir sections, higher production indices, the ability to connect laterally discontinuous features, and the ability to define the direction of flow.
  • Multilateral wells increase the advantages associated with horizontal wells and are more popular in Russia and the Middle East.
  • Key features of lower completions in well completions include liners, packers, and cemented and perforated completions.
  • There are two basic types of artificial lift systems: pumps and gas lift, which provide a mechanical means of pushing or pulling fluids to the surface, and lower the density of hydrocarbon to help it rise, respectively.

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Description

Test your knowledge of oil and gas production and operations with this quiz. Explore topics such as workovers, secondary recovery, well abandonment, offshore platform removal, surface facilities, water de-oiling, oil degassing, production profiles, horizontal and multilateral wells, and artificial lift systems.

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