In April 2001, Roc Oil Company made a friendly unsolicited offer to acquire 40% of Gulfstream Resources Canada. The offer was valued at C$28.3 million, however was rejected by the Gulfstream. To further fuel the next stage of Roc Oil Company's growth Strategy, Roc Oil raised $92 million through a 3 for 5 share rights issue. Following this capital raise in April, In December Roc Oil announced the sale of 100% of the subsidiary which owned the Saltfleetby Gas Field (acquired in 1999) for $110 million. The sale was estimated to earn Roc Oil 28.5 million pounds after tax profit for 2005. The buyer of the subsidiary was
Wingas, a joint venture between
Wintershall as well as
OAO Gazprom (Russian gas company and one of the largest in the world). The funds earned from the sale will be used to finance ROC's development of the
Chinguetti Oil Field, offshore
Mauritania and the Cliff Head Oil Field, Offshore
Western Australia and other ventures ROC was planning to explore. In June, ROC began further expanding its presence in Asia by planning to make a move to acquire a 24.5% stake in a
China Oil Field off Apache (hydrocarbon explorer). To refine ROC's focus in terms of geographic operations, the company was planning on selling off its
North Sea and Africa assets. ROC had a 12.5% stake in the
Blane Oil Field (Located in the North Sea) and because of drilling uncovering mostly dry wells, CEO Bruce Clements stated the company will aim to sell off these assets in order to refocus ROC's efforts in currently occupied territories including Asia and Australia. ROC became interested in taking over a local crude oil producer in Australia, Anzon. The deal aimed to allow ROC to operate in areas which it was not currently present, however would be attractive such as
Malaysia and
PNG, as larger companies were beginning to exit these areas. As well, the new entity would be able to produce between 15,000 and 20,000 barrels of oil a day approximately until 2030. However, before the merger process was completed with Horizon, Transcendent Resources (a subsidiary of Fosun International) The ROC Oil Chairman Mike Harding stated, "the proposal to purchase all of ROC's shares for cash is superior when considered against the alternative merger of equals with Horizon and offers a significant premium to share price performance". The final offer by Fosun was A$474 million, paying A$0.69 per ROC Oil Company share, at the time being a 10 percent premium to the current share price and a 23 percent premium to the price prior to the announcement of the offer. Fosun commented on their rationale behind the transaction saying "to enable the group to enter the upstream oil & gas industry and acquire oil & gas assets." The
divestment was completed in order to provide cash in the business to invest in other areas of exploration, mainly China. ROC Oil Company acquired 50% interest in the Ungani Oil Field located in Western Australia as well as 50% interest in the exploration permits from Buru Energy. The compensation paid for both the oil field as well as the exploration permits combined was a maximum of A$84 million. $60 million for the oil field as well as funding 80% of the first A$25 million exploration costs, being a maximum of $20 million. In June 2019, Hainan Mining acquired a 51% shareholding ROC from Fosun International. In 2023, Hainan Mining acquired the remaining 49%. On 13 September 2024, Roc Oil Company Pty Limited announced a recommended cash offer to the shareholders of Tethys Oil AB. ==Operations==