(Adds Heirs Holding, Carrefour , Ascopiave, Neste; Updates Thermo Fisher)
Jan 15 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2100 GMT on Friday:
** Nigeria's Heirs Holding announced that it had bought a 45% stake in an onshore oilfield in a deal that it said included $1.1 billion in financing from a consortium of global and regional banks and investors. France ruled out a possible $20 billion takeover of Carrefour CARR.PA by Alimentation Couche-Tard ATDb.TO on food security grounds, prompting the Canadian firm and its allies to mount a last-ditch attempt to salvage a deal. Italy's regional utility Ascopiave is considering a partnership and an acquisition for the distribution of gas in areas close to the northern regions where it already operates, mainly Veneto and Friuli Venezia Giulia, Chairman Nicola Cecconato said. Finland's Neste NESTE.HE said it has agreed to sell its 50% stake in Finnish LPG cylinder filling firm Innogas to the other shareholder Linde Gas for an undisclosed sum as it focuses on its core operations. Spanish power company Naturgy NTGY.MC plans to invest up to $1.8 billion in the United States after making its first push into the U.S. market with a deal to buy a solar energy developer, the company said. Thermo Fisher Scientific Inc (NYSE:TMO) TMO.N said it completed its 725 million euros ($879.72 million) acquisition of Belgium-based Henogen SA that will help strengthen the medical device maker's position in the fast-growing field of gene therapy manufacturing. FLSmidth FLS.CO is in negotiations with German engineering group Thyssenkrupp TKAG.DE to acquire its mining business, the Danish mining equipment maker said. Healthcare services provider Accolade Inc ACCD.O said it would buy telehealth startup 2nd.MD for about $460 million to double its addressable market and tap into growing demand for virtual services. Brazilian sanitation company Igua Saneamento SA IGSN3.SA said Canadian pension fund CPPIB had delivered a non-binding offer to buy stake in the company. Target (NYSE:TGT) RWE, a privately held company that evaluates the use of drugs in patients in hospitals and other healthcare settings, told Reuters it is acquiring peer NoviSci Inc with the backing of the latter's investor Amgen Inc AMGN.O .