Gulf Oil Case Study

About Gulf Oil Marine Limited

Gulf Oil Marine Limited (GOM) is a Global major oil company. A part of the Seven Sisters within the oil industry. With their headquarters residing in Pittsburgh, the oil giant currently owns and operates the largest petroleum terminal systems in United States. Their services ranging from fuel retail down to providing lubricants for automotive, commercial and industrial products.

The Challenge

The company faced two challenges regarding their operations within the cloud. The first was the high cost that the company was spending on using private cloud which was provided by Hong Kong Local provider. They needed to find a way to cut down the costs while maintaining the private cloud for their operations. The second challenge was their AAD connect server in their local virtual farm for password synchronization with Office 365, before the migration HKBN Enterprise Solutions (HKBNES) need to prepare Risk Management Report which must fully complying with GOM’s security and compliance policy.


This architecture operates within an Amazon Virtual Private Cloud (Amazon VPC) to isolate sensitive AWS resources from external parties and comprises Amazon Elastic Compute Cloud (Amazon EC2) instances with Amazon Elastic Block Store (Amazon EBS). Amazon EBS provides persistent block store and AWS Identity and Access Management (IAM) manages role-based access to critical applications and resources.

Architecture Design

The Benefit

Leverage AWS pay-as-you-go model, GOM saving more than 20% running cost and maintenance cost. Besides the cost saving, AWS enables free tools (CloudWatch & CloudTrial) for GOM IT team can operate and monitor their Cloud Environment in an easy way.
The solution including the Direct Connect as a dedicated connectivity between AWS and GOM’s office. Using AWS Direct Connect, GOM can enjoy higher bandwidth throughput, and Direct Connect provide a more consistent network experience than Internet-based connections.

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