BG Group shares rose by 0.15% to finish on 1,154.72.
Companies' boards have reached an agreement on the terms of the cash and share offer made by Shell.
Goldman Sachs has offered Chevron's 135 million Caltex shares to local and international investors on 27 March.
UK government had announced tax cuts in bid to increase investment in North Sea oil and gas.
Deeper industry spending cuts and a weak US dollar are stimulating buying.
Tax lawyers say cases involving Shell, IBM, Nokia, Microsoft and others could now be resolved through negotiation.
The Nibras petrochemicals complex is expected to be operational in five to six years.
Exclusive: Labour's shadow energy minister Tom Greatrex spoke to IBTimes UK.
Shell Petroleum Company of Nigeria (SPDC) will make the payout to 15,600 fishermen in the southern town of Bodo.
Investing in stocks seems an obvious destination for any long-term ISA-bound savings to catch year-end Santa Claus rally.
Brent crude oil has fallen from $115 per barrel to under $69 today, a price not seen since 2009.
Edmund Shing explains why oil prices are falling, and what the potential BP-buyout could mean
For the hundreds of thousands of people in the Niger Delta, this must be the time when impunity ends.
Royal Dutch Shell sells 30% stake in Niger Delta field for $600m.
Bombay High Court rules in favour of Shell's Indian unit, saying stock transfers by Indian company to its foreign parent were not taxable.
Shell to compensate communities after failing to inspect faulty oil pipeline for years
The company has appointed Charles Holliday as chairman.
BP has also recently been cleared.
Bombay High Court rules in Vodafone's favour in transfer pricing case
Having forced Lego to abandon its agreement with Shell, here are four more of the NGO's success stories.
There were about 11 international companies competing for Abu Dhabi oilfields.
Anglo-Dutch oil major advancing with plans to dispose of $5bn worth of oilfields in Nigeria.
Shell set to end investment after drilling a dry well in Qatar's North Field.
The NGO is angered at Shell-sponsored Lego toys and has upped its campaign.
Ithaca picks up interest in Cook, Pierce and Wytch Farm oil fields.
Shell looks to focus on growth in directly owned Australian assets.
Russian energy minister upbeat over Western oil investment despite threat of deeper sanctions over Ukraine.
Kuwait announces five year deal that will support its energy demands during peak-usage summer months.
There are a few things Shell should consider before trying to divest way out of trouble in Niger Delta.
Theresa Riggi is thought to have committed suicide at Rampton Hospital, Nottinghamshire.