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EPFC Services — Gas Processing Equipment

Test Separator Skid

Portable well-test separation packages that measure oil, gas, and water production in real time — giving site engineers the fluid composition data they need to make informed field decisions.

Overview

Well performance data, measured on site

A test separator skid is a compact, self-contained system that splits wellstream fluid into its component phases — oil, gas, water, and where required, sand — so each stream can be individually measured and sampled. That real-time data lets site engineers accurately determine the relative composition of the produced fluid, informing decisions that directly affect production efficiency and project economics.

Our Test Separator Skids are fabricated for exploration, well development, production testing, and post-completion cleanup operations — onshore or offshore — with the phase-separation configuration matched to what your reservoir and testing program require.

  • 2-phase, 3-phase, and 4-phase separation configurations available
  • Skid-mounted for rapid rig-up and rig-down between well sites
  • Corrosion-resistant materials for sour and high-chloride service
  • Full documentation package including P&IDs and datasheets
Wellsite production & valve tree equipment
How It Works

From wellstream to measured data

Produced fluid enters the vessel as a single mixed stream and leaves as separately measured, sampled phases.

1

Wellstream Inlet

Produced fluid from the choke manifold enters the separator vessel as a mixed multiphase stream at controlled pressure.

2

Gravity Separation

Inside the vessel, gravity and internal baffling let oil, gas, water — and sand where fitted — settle into distinct phases.

3

Flow Measurement

Multi-meter instrumentation measures oil and gas flow rates out of each separated phase in real time.

4

Sampling & Analysis

Dedicated sampling points extract effluent for laboratory analysis, confirming fluid composition and quality.

5

Pressure Protection

Relief valves and pressure controls manage excess pressure, keeping the vessel within safe operating limits throughout the test.

6

Data-Driven Decisions

Measured rates and lab results feed directly into well performance and completion decisions on site.

Core Equipment

What's inside the package

Every Test Separator Skid is built around the same proven measurement and separation train, fabricated for durability and corrosion resistance.

01

Separator Vessel

The primary separation chamber where produced fluid divides into its component phases under gravity.

02

Multi-Meter Measuring System

Instrumentation detecting oil and gas flow rates as each phase exits the vessel.

03

Relief Valves

Safety devices that manage excess pressure and protect the vessel and downstream piping.

04

Sampling Points

Dedicated taps for extracting effluent samples for laboratory-grade composition analysis.

05

Level & Pressure Controls

Instrumentation maintaining stable interface levels and vessel pressure through varying flow conditions.

06

Sand Handling System (4-Phase)

Desanding and jetting equipment for configurations that separate solids from the produced fluid stream.

Configuration Types

Matched to your testing program

2P

2-Phase Separator

The simplest configuration, extracting combined oil and gas (phase one) from water (phase two).

3P

3-Phase Separator

Divides oil, gas, and water into three distinct phases for more advanced analysis of well production.

4P

4-Phase Separator

The most sophisticated option, additionally extracting sand separately from oil, gas, and water.

Design Specifications

Built for the field

Separation Configuration
2-Phase, 3-Phase, or 4-Phase
Measurement
Multi-meter oil & gas flow rate detection
Sampling
Dedicated effluent sampling points
Pressure Protection
Code-rated relief valves
Materials
Corrosion-resistant, sour-service options
Deployment
Onshore & offshore, portable skid mount
Customization
Configured to reservoir & test program
Delivery Format
Skid-mounted, shop-tested package
Applications

Where these units go to work

EX

Exploration & Well Development

Characterizing new wells during exploration and development phases to inform completion strategy.

PT

Production Testing

Ongoing production testing to track well performance and optimize resource extraction over time.

PC

Post-Completion Cleanup

Managing and measuring flowback fluids during post-production cleanup operations.

Need a test separator sized for your well program?

Send us your expected flow rates and phase-separation requirements for a preliminary sizing proposal.

Request a Proposal