Pinnacle Midstream II to Build New Permian Gas Gathering System Anchored by DoublePoint In addition to supporting the extensive multiwell pad development taking place in the Midland Basin, Pinnacle Midstream II said the gas gathering system, named Pinnacle Dos Picos, was designed with expansion in mind. Hart Energy Staff Thu, 12/17/2020 - 02:30 PM Formed in early 2019, Pinnacle Midstream II is pursuing midstream opportunities across the Lower 48 with an initial focus on the Permian Basin and Eagle Ford Shale. (Source: Pinnacle Mistream LLC) Your browser does not support the audio element. Pinnacle Midstream II LLC recently unveiled plans to build a new natural gas gathering and compression system in the Midland Basin, which the Houston-based independent midstream company said is anchored by an agreement with DoublePoint Energy LLC.