Enabling operators and service companies throughout the global energy industry to meet their cased hole logging requirements.

World-leading, independent cased hole logging services, enhanced by value-adding technologies, for well integrity, production logging, and correlation.

Our services

Well Integrity

Expert support for well integrity evaluation, providing a detailed understanding of casing and cement, and early detection of potential integrity issues.

Production Logging

Specialist cased hole logging services to assist in maximising hydrocarbon recovery and optimising the performance of your wells.


Specialist logging services for depth correlation enhanced by value-adding technologies.

Specialist Services

HPHT services, tool rental, tool servicing and logging engineer provision and training to help you meet your logging requirements.

Countries we work in
Wells serviced

Our Locations

Aberdeen, Scotland

Worldwide support for our customers from our Aberdeen headquarters.

Houston, Texas

Delivering service excellence for oilfield operators throughout the Americas.

Doha, Qatar

In-region service and support for the Middle East and Asia Pacific.


Supporting Alaskan oilfield operators from dedicated facilities in Anchorage and the North Slope.

Stavanger, Norway

A European base to enhance our global service for the oil and gas industry.

Perth, Australia

A Southern Hemisphere base to enhance our global service for the oil and gas industry.

Kuala Lumpur, Malaysia

In-region service and support for the Asia Pacific.


READ Cased Hole Norway
READ Cased Hole established in Norway – seismic acquisition & processing
READ expands service portfolio to include Well Services & locates to new HQ in Aberdeen, UK
READ Cased Hole
Introduced the concept of fully portable suitcase logging
Well Integrity Services READ Cased Hole
First North Sea deployed digital multi-finger calipers
READ Cased Hole ANSA
Pioneered first multifinger caliper data processing suite – MIPS
CAT Capacitance Array Tool READ Cased Hole
Jointly created the first multi-sensor array capacitance tool (CAT)
Well Integrity Services from READ Cased Hole
Developed a HPHT 40- multi-finger caliper (205°C, 20 Kpsi)
Well Integrity Services READ Cased Hole
Help develop the 80 multi-finger caliper Only tool of its kind. can log 20” casings
READ Cased Hole
Unveiled new READ Cased Hole brand identity – and reinforced our position as the specialist in production and integrity evaluation
Develop next generation HPHT 40-arm multifinger caliper (220°C)
Awarded multi-million well integrity contract with Maersk Olie og Gas A/S
ZeroTime READ Cased Hole
ZeroTime™ launched at ICoTA in Houston
NorVestor Become
majority owners of
READ Cased Hole
READ named as finalist at AGCC Northern Star Business Awards 2016
Acquisition of US
logging company PDS
(Proactive Diagnostic
Achieved first milestone in
Artificial Intelligence project
for Multi-finger caliper data
READ Cased Hole ANSA
Partnership formed
with ANSA to provide
data analytics services
READ Cased Hole Merger with Hydrawell
Merged with HydraWell and Ansa to deliver total well assurance for a safer today and a cleaner tomorrow.

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