Schlumberger ignited M&A chatter after the oil services giant agreed to buy rival Smith International for $11 billion.

And, according to Bloomberg,Thermo Fisher Scientific, the world’s largest maker of lab instruments, made an unsolicited takeover offer of about $6 billion for Millipore .

Thermo Fisher, based in Waltham, Massachusetts, makes a range of analytical instruments and laboratory equipment used in manufacturing, health care and environmental industries. Millipore, based in Billerica, Massachusetts, is a supplier of diagnostics and laboratory equipment to the biotechnology industry.

What’s the trade?

I expect to see more deals in energy, muses Tim Seymour.