Bloomberg Schlumberger Ltd., the world’s largest oilfield-services provider, has revamped a deal to buy Russia’s biggest drilling company, less than two years after a similar plan was scuppered amid opposition from the nation’s regulators. Schlumberger plans to buy 51 percent of Eurasia Drilling Co., the two companies said in statements that didn’t disclose the terms. The deal would be one …

Bloomberg The merger of Alberta’s two main conservative parties creates a new political force in the heart of Canada’s oil patch that threatens to unseat Premier Rachel Notley and kill the province’s carbon tax. Members of the Wildrose and Progressive Conservative parties voted to create the United Conservative Party. Combined, those parties hold 30 of 87 districts, though they received …

Bloomberg Calfrac Well Services Ltd. surged after Texas investment firm Wilks Brothers LLC boosted its stake in the fracking company in a bet on a rebound in Canada’s beaten down oil patch. Calfrac rose 4.5 percent at 1:20 p.m. in Toronto to its highest intraday since June 14, even as US oil prices fell. The company’s shares have risen more …