The Supreme Court of Texas delivered good news to policyholders insured under a “Joint Venture Provision” endorsement commonly used in the oil and gas industry. In Anadarko Petroleum Corp. v. Houston Casualty Co.—a case arising from the 2010 Deepwater Horizon disaster—the court held that insurers assumed the obligation to reimburse the full amount of a joint venture partner’s defense costs, rejecting the insurers’ argument that their obligation was reduced by the “scaling” language of…