12/01/2025
OnSpec doesn’t just inspect equipment, we understand it. Our expertise allows us to deliver a level of service and reliability in Oversight, Inspection, Quality, and Compliance that no one else can match.
Tech Tip:
Separator Selection: What Really Drives the Right Choice?
The goal of a separator is straightforward: efficiently split the wellstream into liquid-free gas and gas-free liquid. Perfect separation inside the vessel isn’t always practical or economical, so retention times and acceptable carry-over are guided by industry standards. Often, downstream process requirements dictate the level of separation performance needed.
Key Wellstream Factors That Influence the Right Separator Choice
Picking the proper vessel means understanding how the incoming stream behaves. A few of the major considerations include:
1️⃣ Operating pressure and temperature
2️⃣ Flow stability, slugs or sudden surges
3️⃣ Density differences between the phases
4️⃣ Contaminants or special conditions like H₂S, CO₂, scale, foam, or dust
5️⃣ The ratio of gas to liquid in the inlet stream
6️⃣ Viscosity differences between gas and liquid
7️⃣ Particle sizes, liquid in gas or gas in liquid
By evaluating these factors up front, you ensure the separator design matches the real conditions it will face, resulting in a unit that performs predictably and supports the entire downstream process.
Stay connected for oversight, quality, and compliance insights from OnSpec.