Author Archives: admin

Pigging Displacement Volume Calculation

One of the most common practices during the operation of pipelines is “pigging”. Buildup of solids or liquids in flowlines can result in plugging, cracks, or flaws in the line, all of which could cause severe damage to the line. Pigging operations may be designed with objectives that include cleaning, inspecting of flowlines, or other…

Efficient Cooldown Parametric Studies

A common flow assurance study objective is calculating the time required to reach hydrate conditions during a shutdown (typically from steady state).  This is often referred to as ‘Cooldown’. The ability for an operator to understand the amount of time that is available to safely complete various tasks during a shutdown, or how close to…

Calculation of Transient Piping Loads Caused by Pressure

SINGLE-PHASE HYDRAULICS, SYNERGI PIPELINE SIMULATOR (SPS) Piping and pipeline design engineers are familiar with the dangers of pressure surges (commonly referred to as “water hammer”) in liquid-filled pipes/pipelines.  Pressure surges can be caused by transient events, such as valve closures and pump trips, that cause a pressure wave to move through the piping system at…

Field-Tested Calculation Saves Hydrate Inhibition Costs during a Cold Well Start Up

This blog post will describe how flotools’ calculation feature was used to calculate the hydrate formation temperature as a function of time and location for a methanol-inhibited system during a cold-well start up.   The analysis demonstrated that a less conservative use of hydrate inhibitor was acceptable.  The well and flowline were successfully started up based…