About: David Hairston

Mr. David Hairston has been a consultant and instructor with John M. Campbell & Company for over 9 years. Mr. Hairston is a Registered Professional Engineer in several U.S. states and has over 40 years of experience in project management, engineering and design, material logistics, and construction management for oil and gas facilities. Project experience includes pipeline transportation and production facilities, both onshore and offshore. Worldwide project and construction management experience at all levels includes grass-roots gathering, processing, and pipeline systems with a capital cost of over USD$ 2.5 billions. Specialized technical expertise includes river and special obstacle crossings using open-cut, bridging and directional drilling methods; offshore construction and logistics planning. Mr. Hairston has been published in ASCE Magazine, Proceedings of Marine Technology, Proceedings of several industry Pipeline Conferences, and the Oil and Gas Journal. He holds a B.S. in Aerospace Engineering from Texas A&M University and an M.S. in Civil Engineering for the University of Houston.

Recent Posts by David Hairston

Onshore Natural Gas Pipeline Transportation Alternatives: Capital Cost Comparisons

In recent TOTMs (January through April, August, and September 2012 and again in January 2013), we discussed several aspects of the physical behavior and transportation of carbon dioxide (CO2) and natural gas in the dense phase. We illustrated how thermophysical properties change in the dense phase and their impacts on pressure drop calculations. The pressureContinue Reading

Low Pressure Vs High Pressure Dense Phase Natural Gas Pipeline Transportation

Capital Cost (CAPEX) Comparisons High pressure (or dense phase) is increasingly used for transporting large volumes of carbon dioxide (CO2) and natural gas over long distances. In this month’s – Tip of the Month (TOTM), we continue to explore key aspects of dense phase transportation in pipelines. This month’s focus is on the estimation ofContinue Reading

Low Pressure Versus High Pressure Dense Phase Natural Gas Pipeline Transportation

Dense phase is a favorable condition for transporting carbon dioxide (CO2) and natural gas as well as carbon dioxide injection into crude oil reservoir for enhanced oil recovery. Pipelines have been built to transport CO2 and natural gas [1] in the dense phase region due to its higher density, and this also provides the addedContinue Reading

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