(December 17, 2018, 11:03 AM EST) -- BOSTON — An insured oil service company is entitled to credit for a payment made on its behalf by its insurer for remediation costs incurred on a homeowner’s property where the insured was performing oil service work because the payment made by the oil service company’s insurer is the equivalent of a payment made by the insured to the homeowner’s insurer, the Massachusetts Appeals Court said Dec. 13 (Bunker Hill Insurance Company v. G.A. Williams & Sons, Inc., No. 17-P-1625, Mass. App., 2018 Mass. App. LEXIS 179)....