Cardinal Midstream Expands Pipeline Network, Pecos River Processing Complex

Cardinal Midstream Partners, headquartered in Dallas, added 36 miles of large-diameter, high- and low-pressure natural gas gathering pipelines in Eddy County, NM, and Loving County, TX. Also, the company expanded its Pecos River Processing Complex in Loving County, adding 220 MMcf/d of natural gas processing capacity. Scheduled for completion in early 2026, the upgraded facility increases Cardinal’s total capacity to 360 MMcf/d with potential for further expansion.

“The Delaware Basin continues to see unprecedented growth with production expected to increase for years to come,” said Doug Dormer, Cardinal Chief Executive Officer. “These significant expansion projects provide high-quality energy infrastructure that ensures reliable midstream services for our customers’ future development.”

Cardinal Midstream now owns and operates approximately 150 miles of natural gas infrastructure in the Delaware Basin—a top producing oil and gas producing region in the United States. In 2023, Cardinal acquired Medallion Midstream’s Delaware Basin natural gas and processing business and, since then, the company executed several pipeline and compressor station expansions to meet growing customer demand.

Northwind in Delaware Basin

In March 2025, Northwind Midstream Partners completed the following construction efforts at its Titan Treating Complex:

• 150 MMcf/d of high-circulation amine treating capacity
• Two acid-gas disposal and carbon sequestration wells
• More than 200 miles of NACE-standard, large-diameter pipelines
• 41,750 hp of compression at five compressor stations

In addition to expanding the Titan Complex, Northwind also increased the low- and high-pressure natural gas gathering and compression network in Lea County, NM. The pipeline system is designed to transport natural gas with high CO₂ and H₂S contents. The Phase 1 expansion project, set to be complete by mid-2025, will increase total treating capacity to 200 MMcf/d, with final investment decision- and customer-approved plans to further expand total treating capacity to 400 MMcf/d by 2026.

Northwind also constructed and placed four additional NACE standard compressor stations into service, handling approximately 200 MMcf/d of natural gas. The company’s system and construction efforts are driven long-term commitments across 165,000 dedicated acres from public/private independent oil and gas producers in the basin.

Lea County, NM

In June 2024, Piñon Midstream secured monitoring, reporting, and verification plan approval from the U.S. Environmental Protection Agency for the permanent storage of CO₂ in two acid gas injection (AGI) wells at the Dark Horse Treating Facility in Lea County, NM. The wells offer sequestration redundancy for operators in the Delaware Basin using Piñon’s Dark Horse facility to mitigate flaring and access local drilling inventory.

The AGI wells—Independence AGI 1 and Independence AGI 2—are Devonian wells reaching depths approximately 3.4 miles below the surface into rock formations. These formations are located several thousand feet below water aquifers and existing Delaware Basin oil and natural gas-producing formations. The wells are approved for a combined 20 million cubic feet per day of CO₂ and H₂S injection, equivalent to approximately 250,000 metric tons of CO₂ and 110,000 MT of H₂S per year.