The oil and gas industry operates in a complex, capital-intensive environment where efficient contract lifecycle management (CLM) is essential to mitigate risks, ensure compliance, and enhance project delivery. This study explores recent advances in contract lifecycle management using digital tools in oil and gas infrastructure projects. Traditional contract management methods often result in delays, cost overruns, and compliance issues due to manual processes, poor visibility, and fragmented communication among stakeholders. Digital CLM tools offer a transformative solution by automating contract creation, execution, monitoring, and renewal, thereby improving accuracy, transparency, and operational efficiency. This paper reviews a range of digital tools such as contract analytics platforms, cloud-based CLM software, blockchain, and artificial intelligence (AI) that are being increasingly adopted in oil and gas infrastructure projects. AI-powered contract analytics assist in identifying contractual risks, optimizing clauses, and predicting performance outcomes. Blockchain technology enhances data integrity and ensures immutable, tamper-proof audit trails across contract lifecycles. Cloud-based CLM platforms enable real-time collaboration among project teams, legal departments, and external contractors, improving version control and compliance with regulatory frameworks. Empirical evidence indicates that digital CLM adoption leads to measurable improvements in contract cycle times, reduced legal disputes, faster project mobilization, and enhanced stakeholder accountability. For oil and gas companies managing multi-billion-dollar infrastructure investments, these gains translate into significant cost savings and reduced project delays. Additionally, integration with enterprise systems such as ERP and project management software creates a cohesive ecosystem for data-driven decision-making. However, challenges remain in digital adoption, including data standardization, cybersecurity concerns, change resistance, and integration with legacy systems. The study concludes with recommendations for implementing scalable and secure digital CLM solutions, emphasizing the need for training, stakeholder alignment, and phased digital transformation strategies. By leveraging digital contract lifecycle management tools, oil and gas firms can navigate regulatory complexities, streamline operations, and ensure contractual integrity, ultimately improving project delivery and long-term competitiveness.