Allocation, Custody Transfer & Refined Product Proving

Accurate proving support across multiple liquid measurement applications.

Angus Proving provides custody transfer, refined product, and allocation proving services built around customer requirements and industry best practices. With proven measurement expertise, reliable results, and more than 100 years of combined experience, we help keep your operations running accurately and efficiently.
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CUSTODY TRANSFER

Proving for accurate product transfer.

REFINED PRODUCTS

Reliable proving for multiple products.

40 – 1,400 BPH

Wide flow range to meet your needs.

ANSI CLASS 300 & 600

Provers built for high-pressure applications.

Service Overview

Angus Proving provides custody transfer, refined product, and allocation proving services for a wide range of liquid measurement applications. Our solutions are built around customer requirements and industry best practices, delivering accurate, repeatable results and reliable meter performance.

  • Custody Transfer Proving
  • Refined Product Proving
  • Allocation Proving

With proven measurement expertise and more than 100 years of combined experience, Angus helps you maintain compliance, reduce uncertainty, and keep your operations running at their best.

Illustrative technician checking liquid measurement equipment
Illustrative mobile custody transfer prover trailer

Custody Transfer

Angus Proving operates 8" and 10" Bidirectional Custody Transfer Provers capable of handling flow rates from 40 to 1,400 BPH at ANSI Class 300 pressures. Our expanding fleet of Small Volume Provers supports flow rates up to 8,500 BPH at ANSI Class 600.

Open-Loop Master Meter Cart and Factory/Shop Flow Loop Meter Testing are available at the Odessa facility.

  • Coriolis Meters
  • Turbine Meters
  • Positive Displacement Meters

Consistent proving verifies meter performance, identifies meter drift, and maintains custody transfer accuracy.

Refined Products

Small Volume Provers provide highly repeatable meter proving while minimizing product displacement and operational downtime.

Ideal for:

  • Gasoline
  • Diesel
  • Jet Fuel
  • NGLs
  • Refined Hydrocarbon Products

SVPs improve proving efficiency while maintaining reliable meter factors and measurement accuracy.

Illustrative refined products meter verification at a terminal
Illustrative allocation master meter proving trailer

Allocation

Allocation systems present unique proving challenges. Angus provides closed and open-loop SCAMMP provers to improve reliability and repeatability. The trailer-mounted SCAMMP provides a controlled, steady flow source that reduces dump-cycle proving challenges and supports compliance with API MPMS Chapter 4.5.

Additional services include:

  • Liquid Meter Cleaning & Proving
  • Inline Meter Verification (Clamp-on Ultrasonic)
  • Master Meter Proving with 2% variance in meter factors between proving

Related Proving Services

Complementary proving services to support your measurement systems.
Illustrative technician checking liquid measurement equipment

Closed & Open Loop Master Meter Proving

High-accuracy proving with closed and open-loop master meter systems.
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Illustrative mobile custody transfer prover trailer

Flow Loop Proving

Factory and shop flow loop testing for meters and systems.
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Illustrative refined products meter verification at a terminal

Meter Verification

Inline meter verification including clamp-on ultrasonic solutions.
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Confidence in Every Measurement

Reduce uncertainty, maintain compliance, and improve confidence in your measurement systems with Angus Proving. Our proven expertise and reliable solutions help you keep your operations running accurately and efficiently.
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