Following the planned acquisition of Marathon Oil Corporation (MRO) in the recent past by ConocoPhillips (COP) , the former has now announced a major layoff from its Houston facility affecting about 500 employees. The company has filed a Worker Adjustment & Retraining Notification with the Texas Workforce Commission.The company further indicated that the job status of the affected employees would be notified within a month of the close of the merger. While some of the employees will be retrained for transit ...