Comprehensive data analysis services for the global oil and gas industry

Expert and impartial analysis of cased hole data, well integrity, production logging and reservoir surveillance

Get your free data analysis report!

ANSA is offering you the chance to request a free, illustrative data analysis report using your own dataset. Our team of analysts is ready to provide you with in-depth insight into your cased hole data. Reports from ANSA are unbiased, accurate and prepared by qualified analysts – giving you 360° visibility of how your assets are performing.

Take advantage of this unique offer and really get to know your data.


We are a team of 12 qualified data analysts located in Aberdeen, Houston and Doha with more than 150 years of combined experience.

We deliver fast, impartial and accurate answers  that offer valuable insight into your wells and reservoirs.


Formation & Reservoir

ANSA's experts work with the full range of available pulsed neutron technologies to help you locate hydrocarbons.

Well Testing PTA/RTA

Specialists in Pressure Transient Analysis and Rate Transient Analysis can give you a better understanding of your asset so that better business decisions can be made.

Well Integrity

The safe operation of any asset is paramount to its long term profitability. ANSA has in-depth knowledge of all major well integrity survey technologies.

Production Logging

Be it a simple in-line, single phase production logging survey or a complex array-tool multilateral, horizontal, ANSA's experts can offer full support from planning to final report.

Cement Evaluation

Detailed cement evaluation performed by fully qualified and experienced analysts. Light and foam cement, channeling or microannulus, there are no scenarios we haven't seen before.

Fast Turn Around Service

The answers you need, when you need them. ANSA's Fast Turn Around (FTA) services delivers the information you need to make decisions in record time.

Training & Consultancy

Develop your in-house capabilities with the help and guidance of industry leaders in data analytics. ANSA can offer a full suite of training courses customised to your needs as well as consultancy services.

Digital Oilfield Solutions

Unlock the value of your historical data. With the know-how and the technology necessary to extract new value from both old and new data-sets ANSA can be your digital oilfield partner.

Feet of log data analysed

GLOBAL Locations

Aberdeen, Scotland

Worldwide analytical support for our customers from our Aberdeen headquarters.

Houston, Texas

Delivering diagnostics excellence for oilfield operators throughout the Americas.

Doha, Qatar

In-region data analytics services for the Middle East and Asia Pacific.

Latest News



READ established in Norway

READ Well Services established in the UK

Developed the concept of fully mobile, portable 'suitcase logging'

Ran first digital multifinger calipers (MFC) in the North Sea

Wrote first MFC data processing suite with integrated 2D and 3D capabilities

Jointly created the first multi-sensor array capacitance tool for management of high-angle, high water-cut wells

Jointly developed an Inflow Control position identification tool and accompanying software for coiled tubing well interventions

Introduced industry-leading 40-arm multifinger caliper to log HPHT wells

Cased Hole & Meta acquired by Energy Ventures lead consortium

Split of READ Cased Hole & Meta

Developed an extended range 80-arm MFC tool to log 20” conductors, providing READ with the largest range of calipers in the market

Appointed new executive management team

Developed innovative Drill Pipe Gauge Carrier technology to meet specific needs of major international operators in the North Sea

Expanded into the Middle East and Asia Pacific regions

Unveiled new READ Cased Hole brand identity – and reinforced our position as the specialist in production and integrity evaluation

Awarded multi-million well integrity contract with Maersk Olie og Gas A/S

ZeroTime™ launched at ICoTA in Houston

READ named as finalist at AGCC Northern Star Business Awards 2016

Norvestor Equity invested in READ to create strong partnership for future growth

READ awarded long-term cased hole logging contract with Shell in UK, Ireland and Norway

Launched Reservoir Analysis System (RAS) pulsed neutron technology which provides valuable insight into operators’ wells and reservoirs

Re-structured ANSA team to add new analytical talent and broadens range of interpretation services

Launched global data analysis training courses delivered by our ANSA team for production logging, well integrity and reservoir evaluation

Launched ZeroWear™ multifinger caliper sensors, READ’s pioneering technology for data acquisition in harsh well environments

Acquired US-based Proactive Diagnostic Services (PDS) to create a business of significant scale, capability and geographic foot to service oil and gas operators worldwide

Signed exclusive agreement with Advanced Logic Technology (ALT) to develop and bring to market the ABI-43 acoustic borehole imaging technology


Viking House, 1 Claymore Avenue

Aberdeen Energy Park

Aberdeen AB23 8GW, UK

T: +44 (0)1224 336600

F: +44 (0)1224 336611

2019 READ Cased Hole Limited. All rights reserved.