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Experience Internship
May 1, 2023

Institute of Reservoir Studies (IRS), ONGC

Reservoir Simulation and Modelling is one of the best and optimum ways to analyze the field and derive valuable insights effectively. During an internship at IRS ONGC, the Petrel software was used to build the field’s representative model static and dynamic models, perform history matching, and analyze the 4 different variants selected through careful study of the field.

  • Organization

    ONGC

  • Role

    Intern

  • Duration

    2 Months

  • Location

    Gujarat, India

  • Mode

    Offline

  • Tags

    Internship, IRS, ONGC

IRS ONGC

Internship Project

Internship

Performance Analysis of Oil and Gas Field through RMS

The internship was primarily focused on the project titled “Performance Analysis and Field Development Plan (FDP) of the Oil and Gas Fields through Reservoir Simulation and Modeling”. The actual field data was used to develop the field’s representative static and dynamic models using Petrel software. Data analysis and history matching were conducted and the performance of the field was analyzed considering different injection scenarios.

In total, four different variants were selected and analyzed:

  1. Business as Usual (BAU) with current producers/injectors.
  2. BAU with an increased number of producer wells at optimized locations.
  3. BAU with an increased number of producer wells with 9  new development locations.
  4. BAU with an increased number of producer wells and injector wells in new locations.

After careful analysis of all four different variants, Variant 3 was found out as the most optimized and efficient from all the other selected variants comparatively.

Pathway

The Approach

Understanding

Brainstorming

  • Problem Statemnt
  • Data Study
  • Pathway Design
Petrel

Model Building

  • Data Feeding
  • Model Design
  • History Matching
Enhance

Optimization

  • Model Variations
  • Optimization
  • Comparative Study
Time Vs. WC/GOR

Time Vs. Water Cut/GOR

Depth Vs. SBHP/Temp

Depth Vs. SBHP/Temperature

P/Z Vs. Gp

P/Z Vs Gp

Time Vs. Liq/Gas Prod

Time Vs. Liq/Gas Production

Time Vs. Monthly Water/Gas/Oil

Time Vs. Monthly Water/Gas/Oil

Predictions

Different Variants

Comparision

Different Variants

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Variant 1 - Recovery

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Variant 2 - Recovery

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Variant 3 - Recovery

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Variant 4 - Recovery

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