1954 - Longreach Oil Limited was incorporated in NSW as an oil and natural gas exploration company. It is a public company listed on the Australian Stock Exchange. In 1988 the company changed its name to Longreach Gold Oil Limited.

1993 - subsidiary, South Pacific Pty Ltd, acquired an interest in an oil licence in Myanmar.

1994 - Longreach applied for an Exploration Licence in Victoria, prospective for gold and also entered into a diamond exploration joint venture project in Russia.

1995 - Overseas Petroleum Investment Corporation (OPIC) farmed into the oil project in Myanmar, for an expenditure of US$5 million to earn a 50% interest. The joint venture withdrew from this project after two wells were drilled.

1996 - Longreach entered into agreements for three diamond concessions in Angola.

1999 - force majeure was invoked by Longreach in respect of the Angolan joint ventures, in view of renewed hostilities in that country.

2000 - various exploration prospects in Australia and overseas were examined.

2001 - June - Directors resolved to refocus on the principal objectives of oil and gas exploration.

2001 - November - the company's name reverted to Longreach Oil Limited  (ASX code remains LGO).

2001 - December - Longreach acquires a 19.8% equity interest in Brisbane Petroleum N L, which holds Petroleum Leases 18 & 40 in Queensland.

2002 - Longreach was involved in the drilling of the Carlston #1 well in the Carnarvon Basin, W.A. and earned an initial interest in three Exploration Permits.

2003 - Longreach applied for an "hot rock" Licence in NSW, which was granted in early 2004.

2003 - March - Longreach acquires a 100% interest in three Exploration Permits in Western Australia.

2004 - October - Drilling by Enterprise Energy N L commenced under a farm-out agreement with Brisbane Petroleum N L on a development well,
Yellowbank Creek #4, on Petroleum Lease 18 in the Surat Basin, QLD.

2004 - November - Longreach increased its interest in share capital of Brisbane Petroleum N L to 22%.

2004 - December - Application made for a further oil exploration area in the Surat Basin, QLD granted
- EPP-755.

2005 - Longreach decides to suspend operations on Angolan diamond areas.

2005 - February - Exploration Permit 439, onshore Carnarvon Basin in W.A., granted to joint venture.

2005 - May - A new subsidiary, Offshore Oil Pty Ltd, was incorporated for the purpose of acquiring overseas oil projects.

2006 - March - AusTex Oil Ltd incorporated for the purpose of re-working oil wells in the USA. Longreach's initial equity interest: 25%.

2007 - January - Petroleum Exploration Permit Applications 5/06-7 (now EP-460) and 6/06-7 (now EP-461) in Western Australia applied for by joint venture.

2008 - January - LGO's shareholding in AusTex Oil Ltd (AOK) stands at 10%, after IPO raised $20 million and AOK was listed on the ASX.

2008 - February - 20% interest acquired in uranium joint venture project in Burkina Faso.

2008 - May - three Exploration Permits in Western Australia cancelled.

2008 - July - Star Finch #1 well, EP-460, W.A. drilled - plugged and abandoned.

2008 - October - Lake Macleod #1 well, EP-461, W.A. - drilling commences.