This week began with the reports Chryasor was closing in on a $1.6billion deal for Shell North Sea assets.
It comes after the oil major launched a programme earlier this year to help it balance the books following is multi-billion dollar takeover of BG Group.
Chryasor is led by former Amerada Hess executive Phil Kirk and chaired by Francis Gugen, founder of struggling shale gas developer iGas.
Shell also started a legal battle this week to block claims brought against it by more than 40,000 Nigerians from being heard by the English courts.
At a hearing at the High Court on Tuesday, a judge was urged to find that the court does not have jurisdiction to try actions by two Nigerian communities over oil spills in the Niger Delta.
But the communities believe that they will only get “justice” in the English courts.
UK law firm Leigh Day, which is representing the two communities, says the claims are over “extensive environmental damage caused by oil pollution”.
Following the Autumn Statement announced by Chancellor Phillip Hammond, Shell’s vice president for Upstream, UK & Ireland, commended the support of the government for the industry.
He said: “Today’s Autumn statement, which formally recommits the government to the ‘Driving Investment principles’ will help in delivering a strong and sustainable future for the North Sea.
“The oil and gas industry will continue to work in partnership with government and the OGA to improve competitiveness and to safely reduce our cost base in the low oil price environment.”
Shell and Cosan have also reached an agreement to strengthen their Raizen joint venture in Brazil through a change to its contractual structure.
The firm said the partners have agreed to remove the mutual time-bound buyout options included in the original agreement signed four years ago.
It means the project has gone from a temporary to permanent joint venture.