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OSH on Australian Securities Exchange

Oil Search

Logo: oilsearch.com4

Oil and gas exploration company

Oil Search was the largest oil and gas exploration and development company incorporated in Papua New Guinea, which operated all of the country's oilfields. In December 2021, it merged with Santos.2 Its shares trade on Australian Securities Exchange under the symbol OSH.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

1929Founded1

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  • TickerOSH on Australian Securities Exchange1
  • HeadquartersPort Moresby1
  • Websitewww.oilsearch.com
  • Legal formjoint-stock company1
  • Listed onAustralian Securities Exchange (OSH), Australian Securities Exchange (OSH)1
  • LEI529900NIUGGGKB5VMO413
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered addressGround Floor, Harbourside East Building, Stanley Esplanade, Port Moresby, Papua New Guinea3
  • Registered withRegistrar of Companies (Investment Promotion Authority ), 1-1253

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Oil Search image from its website
Image: oilsearch.com4

Oil Search was the largest oil and gas exploration and development company incorporated in Papua New Guinea, which operated all of the country's oilfields. In December 2021, it merged with Santos.2

Corporate structure

Oil Search sits at the top of its group. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Oil Search Port Moresby, Papua New Guinea
    • OIL SEARCH (LNG) LIMITED Subsidiary · 100% · Port Moresby, Papua New Guinea
    • Oil Search (Tumbudu) Limited Subsidiary · 100% · Port Moresby, Papua New Guinea

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

The story

Oil Search was incorporated in Port Moresby on 17 January 1929. It was one of Papua New Guinea's largest companies, and in 2006 was responsible for 13% of Papua New Guinea's gross domestic product. It was publicly listed on the Port Moresby Stock Exchange and Australian Securities Exchange. It had a market capitalization of around US$12 billion.

A 17.6% interest in the company was held by the Government of Papua New Guinea, The company also operates areas in Yemen, Egypt, Libya, and the Kurdistan region of Iraq. In May 2014, ExxonMobil shipped the first cargo of liquefied natural gas (LNG) from the US$19 billion PNG LNG Project, in which Oil Search owns a 29% interest.

In 2021, Oil Search agreed terms with Santos to merge, with Oil Search shareholders taking a 38.5% shareholding in Santos. The merger took effect on 14 December 2021.

From Wikipedia’s article on Oil Search, shared under CC BY-SA 4.0.5

Timeline

  1. 2021Dissolved Dissolved1
  2. Jan 1, 1974Went public Listed on Australian Securities Exchange1
  3. 1929Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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    Company websiteOil Search logo
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