Most people anticipate that corporate mergers will become background news stories as they grow larger. However, sometimes when the routine appears to have returned to normal, there is a new announcement that suggests the story is far from complete and creates a feeling of uncertainty for what may happen next.
ONEOK provides a sign that the merger process has entered a new phase
ONEOK completed the acquisition of EnLink Midstream on May 17, 2025, and announced that the acquisition was finalized after being approved by EnLink’s unitholders on January 30, 2025.
Immediately after announcing the completion of the acquisition, ONEOK described the transaction as a significant addition to its existing integrated midstream business, stating that the acquisition “delivers exceptional value” and welcomed EnLink employees and customers to its family.
However, this does not appear to be the end of the story; it is the beginning of a potentially larger event. ONEOK stated that it would be integrating EnLink’s natural gas, NGL, crude, and CO2 transportation assets into its extensive 60,000-mile pipeline network. This integration suggests that the scope of ONEOK’s services and offerings is increasing, and as such, the implications of the integration are not entirely clear at present.
In the meantime, the company is providing a tone that is a mix of confidence and restraint — indicating that there are plans, but the details of those plans remain unclear at this time.
The potential for the combined entity to grow and develop is greater than it initially appears
By combining EnLink’s assets with its own, ONEOK has enhanced its presence in multiple major production areas (the Permian Basin, Louisiana, Oklahoma, and North Texas) where the majority of domestic energy production takes place. The inclusion of CO2 transportation assets in the combination of entities may allow ONEOK to explore the use of carbon capture technologies as part of its longer-term carbon management strategy, creating an additional layer to the depth of ONEOK’s portfolio.
As a result of the acquisition, ONEOK is now positioned on top of an even larger and more comprehensive network of assets, allowing the company to control and manage regional supply flows. The size of the network has a significant amount of influence.
In fact, ONEOK reported strong financial results in 2025, including:
- Adjusted EBITDA of $8.02 billion.
- 18% increase compared to 2024 levels, and partially driven by synergies generated by prior acquisitions.
Furthermore, ONEOK’s Rocky Mountain NGL volumes were up 15% from the same period in 2024, further demonstrating how operating improvements drive long-term plans.
The company highlighted opportunities for synergies within the enlarged network
Additional cost savings and a stronger value chain that will serve as the basis for future projects and operational leverage. Collectively, these metrics provide a sense that the integration is merely a step towards the implementation of ONEOK’s long-term plan. Therefore, even relatively small changes to its plan or operations are likely to generate a number of ripples throughout the midstream landscape.
The integration is not solely a consolidation, but rather the method by which ONEOK intends to solidify its status as one of the largest and most diverse midstream operators in North America. The absorption of EnLink’s assets and personnel allows ONEOK to streamline its operations, expand its service offerings, and enhance its strategic presence in current and developing markets.
ONEOK’s plan is very simple in its message: through the use of a larger size as a result of the merged company, ONEOK will achieve increased revenue and stability through long-term future growth and flexibility. This completed integration represents the opportunity for ONEOK to expand upon the existing network of infrastructure through the addition of the increased reach of EnLink, which will allow ONEOK to begin the next phase of midstream development.
