Harken Energy Corp., Dallas, (Amex: HEC) plans to change its name to HKN Inc. as part of its plan to reorganize and simplify its balance sheet, streamline its financial and capital structure, and revitalize its operations. Harken also plans a 22.4-to-one reverse stock split. EastCoast Energy Corp., Tortola, British Virgin Islands, (Toronto Venture: ECE) has changed its name to Orca Exploration Group Inc.