Asset report

North West Natuna (Ande Ande Lumut)

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Report summary

The Ande Ande Lumut oil field was discovered in 2000, and is located in the Natuna Sea, close to the Malaysia-Indonesia maritime border. It has lain undeveloped due to the challenges associated with developing the field's heavy crude. The development plan, approved in 2011, includes a wellhead platform linked to an FPSO vessel, and long-reach horizontal wells with electric submersible pump (ESP). The initial development plan only considered the development of the K-Sand reservoir. In June 2016, the Ande-Ande Lumut-4XST1 appraisal well proved that further reserves upside could be unlocked from the G-sand reservoir. Sanction of the project, initially expected in 2014, has been delayed due to the low oil price environment. In February 2016, Santos announced its intention to farm-out part of its stake in North West Natuna while maintaining its operatorship.

What's included

This report contains

  • Document

    North West Natuna (Ande Ande Lumut)

    PDF 6.22 MB

  • Document

    North West Natuna (Ande Ande Lumut)

    XLS 471.50 KB

  • Document

    North West Natuna (Ande Ande Lumut)

    ZIP 6.61 MB

Table of contents

  • Key facts
    • Summary
    • Key issues
  • Location maps
  • Participation
  • Geology
  • Well data
  • Exploration
  • Reserves and resources
  • Production
    • Key development metrics
  • Infrastructure
    • Exploration costs
    • Capital costs
    • Operating costs
  • Fiscal and regulatory
    • Cash Flow
    • Discount rate and date
    • Inflation rate
    • Oil price
    • Global Economic Model (GEM) file
  • Economic analysis

Tables and charts

This report includes 19 images and tables including:


  • Index Map
  • Detail Map
  • Production Profile
  • Split of Revenues
  • Cumulative Net Cash Flow - Undiscounted
  • Cumulative Net Cash Flow - Discounted at 10% from 01/01/2018
  • Remaining Revenue Distribution (Discounted at 10% from 01/01/2018)
  • Remaining PV Price Sensitivities


  • Key facts: Table 1
  • Participation: Table 1
  • Well data: Table 1
  • Reserves and resources: Table 1
  • Production: Table 1
  • Production: Table 2
  • Cash flow
  • Economic analysis: Table 2
  • Economic analysis: Table 3
  • Costs: Table 1
  • Costs: Table 2

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