After days of negotiations with Oklahoma regulators, an embattled oil producer has agreed to shut down several wells used to dispose of wastewater and that had been linked to earthquakes in the state. The agreement comes after Sandridge Energy Inc. SDOC -9.83 % refused a request from regulators in December to close the wells, which are part of its oil-and-gas fracking operations. But facing legal action, the company brokered a deal with the state. By early February, Sandridge will stop using seven wells located near a spate of earthquakes that recently rocked a region about 100 miles northwest of Oklahoma City. Three will be closed entirely, according to the Oklahoma Corporation Commission, which oversees the state’s oil-and-gas industry. The other four, plus another previously unused well, will be given over for earthquake research. Sandridge also agreed to reduce the amount of wastewater injected into roughly 40 other wells it […]