Estimation of Surface Tension of Pure Paraffin (Alkane) Hydrocarbons
December 7, 2021
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Tip of the Month
Two simple empirical correlations and a corresponding states method reported in the literature are used to estimate pure liquids surface tensions for the paraffins methane through n-octane. The two correlations express the surface tension as a function of the reduced temperature and molecular weight with only two (first correlation) and four (secon...
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Overview of Gas Lift; Part 1: Gas Lift History, Fundamentals, Mandrels, Valve Types, and a Typical Field Installation
November 2, 2021
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Tip of the Month
In this Part 1 presentation of the initial Gas – Lift series, and effort has been made to provide for initial orientation regarding the important Gas – Lift history, initial background, initial production efforts, Gas – Lift components, and design criteria. Oil and Gas production has been an integral part of the World’s energy based economy for ov...
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Clean Energy Needs an “All of the Above” Approach to Ensure Availability and Reliability
October 4, 2021
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Tip of the Month
This Tip of the Month will discuss energy issues in the U.S, and highlight why there must be an “all of the above” approach to electricity generation technologies to ensure availability and reliability. The type of technology selected should be based upon what the local resources and environment can provide as there is no silver bullet, or one siz...
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Onshore Gas Gathering Systems – Concept Selection, Basic Design & Operation (Part 3)
September 13, 2021
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Facilities Topics
There are several “non-metallic” options for gas gathering system applications. To a large degree, non-metallics eliminate the corrosion concerns – both internal and external – associated with metallic – typically carbon steel – pipelines.
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Acid Gas Removal: Preventing Liquid Carry Over to and Condensation in the Amine Contactor
September 1, 2021
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Facilities Topics
Hydrogen sulfide and carbon dioxide are the principal objectionable acid gas components often present in natural gas, synthetic gas, and various refinery gas streams. These acid gas components must be removed for corrosion prevention in gas pipelines, process equipment, and for health and safety reasons. Reference [1] provides current acceptable co...
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Onshore Gas Gathering Systems – Concept Selection, Basic Design & Operation (Part 2)
August 30, 2021
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Subsurface Topics
In some cases, a choke/line heater is required at the wellsite to deal with the large JT expansion cooling effect experienced by choked high-pressure wells, especially during start-up. This is a somewhat different application than prevention of hydrates in the GGS but there are some common aspects to the equipment utilized.
First, the hydrate temp...
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