State oil giant Saudi Aramco plans to inject carbon dioxide into the world's biggest oilfield by 2012, a year ahead of previous plans, a government official said on Monday.

Billions of dollars of natural gas assets in Western Canada could change hands this year as energy income trusts convert into corporations and raise capital for acquisitions, bankers and portfolio managers say.

Abu Dhabi government-owned International Petroleum Investment Company (IPIC) has raised its stake in Austria's OMV (OMVV.VI) to 20 percent, the Vienna-based oil and gas group said on Thursday.

Canada's Bellatrix Exploration Ltd (BXE.TO) said it would raise C$40 million ($38.57 million) in bought deal financing to fund expansion of its capital program.

Maintenance solutions provider Zep Inc (ZEP.N) posted better-than-expected quarterly results, helped by cost-reduction initiatives, and said it acquired chemical supplier Amrep Inc for about $64.4 million in cash, sending its shares up 2 percent.

Canada-listed coal miner SouthGobi Energy Resources (SGQ.TO) plans to raise about $400 million from a Hong Kong initial public offering this month, according to a term sheet obtained by Reuters.

PetroBakken Energy Ltd (PBN.TO) said on Monday it is buying smaller Berens Energy Ltd (BEN.TO) for C$271 million ($261 million) to establish a position in a prolific but technically challenging oil prospect in Alberta.

France's Total (TOTF.PA) signed a $2.25 billion tie-up with Chesapeake Energy (CHK.N). becoming the latest international oil major to take advantage of low gas prices to snap up shale gas assets.

Saudi Arabia has quit a long-held lease for 5 million barrels of Caribbean oil storage near the key U.S. market and state giant PetroChina is poised to move in, industry sources say, a potentially major shift in global oil trade dynamics.

Iraq's cabinet has requested certain changes in proposed deals with foreign firms to develop nine oilfields, the government spokesman said on Tuesday.

Kazakhstan is in talks with a group of foreign companies led by BG (BG.L) and Eni (ENI.MI) to buy a stake in their Kazakh gas condensate project Karachaganak, Prime Minister Karim Masimov said on Tuesday.

Ultra Petroleum Corp (UPL.N) said it would pay about $400 million to an unnamed private company to buy a stake in the burgeoning U.S. Marcellus Shale region, the latest oil and natural gas explorer to expand its footprint in the area.

France's EDF (EDF.PA) could take up to 20 percent in the underwater section of the South Stream gas pipeline bringing Russian gas to Europe and there could be other partners, one of the project leaders said.

European gasoline prices fell on Thursday, pressured by swelling stocks and a lack of export opportunities to the key U.S. market.

Oil and natural gas company Quicksilver Resources Inc (KWK.N) said it will spend $540 million under its 2010 capital program and said this is expected to increase production volumes by more than 20 percent.

Oil and gas company Denbury Resources Inc said it would buy a 95 percent working interest in the Conroe Field in Houston for about $430.7 million in cash and stock from Wapiti Energy LLC.

Brazil's Abreu Lima refinery, a joint venture between state-run oil companies Petrobras and Venezuela's PDVSA, is estimated to cost roughly 23 billion reais ($13.3 bln), a director at Petrobras said on Wednesday.

Forest Oil Corp said it agreed to sell its remaining Permian Basin properties to SandRidge Energy Inc's unit for about $800 million, as it looks to focus on shale assets and repay debt.

British budget airline Flybe and five oil companies are planning initial public offerings in London next year which are expected to value them collectively at 1.5 billion pounds ($2.46 billion), the Sunday Times reported.