Houston-based Gemini Midstream Holdings Inc. on Tuesday said it is developing two natural gas pipelines in Texas, including one to serve Haynesville Shale operators that would be capable of delivering more than 1.2 Bcf/d.

The Gemini Carthage Pipeline in Harrison and Panola counties is set to be operational by the end of March, initially to serve Rockcliff Energy II LLC from a dedicated area encompassing 180,000-plus surface acres.

The new dedication would bring the total gross acres dedicated to Gemini to more than 260,000 surface acres that cut across East Texas and North Louisiana in the heart of the Haynesville.

Gemini, supported by private equity giant Quantum Energy Partners, also is testing support for the Gemini Gulf Coast Pipeline (GGCP), which would run from Carthage to the Beaumont area on the Texas coast to connect gas supply from the Arklatex region.

“We found the perfect partner to add to our growing Arklatex gas business,” Gemini CEO John O’Shea said of the Rockcliff partnership. “Quantum continues to assist us with our growth, and I’m pleased that they are fully supportive of Gemini undertaking GGCP, which will provide a direct outlet for the growing Haynesville production in East Texas to the booming Gulf Coast markets.”

The GGCP as designed would be capable of delivering 1.5 Bcf/d-plus to the Gulf Coast, offering shippers access to growing liquefied natural gas exports and industry markets, management said.

Tanos Exploration III LLC and Gemini earlier this year formed Gemini Arklatex Partners LLC to build a gas-focused midstream business in East Texas and North Louisiana. The partnership initially made two acquisitions in Harrison County, TX, and Lincoln Parish, LA, with more than 150 miles of gathering pipelines.

The initial assets provided Gemini with a strategic asset base in the core of the Haynesville, which it said are situated to meet increased development activity across the play.

Gemini was founded by O’Shea, along with COO Kevin Coxon, CFO Chris Hearn and Cesar Espino, who is executive vice president of engineering and operations. O’Shea previously was CEO of Navigator Energy Services LLC, a Permian Basin crude oil transport, gathering and storage company, which was sold to NuStar Energy LP in 2017.

O’Shea and Coxon also previously founded Millennium Midstream Partners, which over a six-year period in the early 2000s built a portfolio of gas gathering assets in East and Central Texas, as well as processing assets in South Louisiana.

Hearn was co-founder of Strata Energy Investments and previously co-founded and jointly led the First Reserve Energy Infrastructure Funds business. Espino formerly was COO of Tristream Energy LLC, as well as vice president (VP) of midstream operations for Eagle Rock Energy Partners LP.

Gemini’s executive team is rounded out with Chief Administrative Officer Ken Hertel, who formerly served as VP, chief accounting officer and controller of PennTex Midstream Partners LP.