Energy companies aren’t finished shedding jobs due to crude oil prices that are half what they were about six months ago, the world’s biggest oil-field-services provider warned soon after disclosing 9,000 job cuts. Paal Kibsgaard, chief executive of Schlumberger Ltd. , said on Friday U.S. oil producers that focus on shale fields are worse off than rivals elsewhere because of their higher costs. “The new oil prices are clearly going to test the resilience of several North American land producers going forward,” he said, citing “their ability to get financing, their ability to continue to drive efficiencies and reduce costs and their ability to maintain production at current levels.” Some of the largest U.S. oil-and-gas producers have cut 2015 capital spending budgets by 20% or more. Investment bank Cowen and Co. said […]