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  • Technical papers
    SPE-210469-MS – A Case Study On Integrated Downhole Logging Suite To Diagnose Multi-phase Flow And Improve Multi-reservoirs Flow Allocation
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    100-years of innovation

    Most successful brands have at their core a spark of genius and inspiration that continue to drive it forward. For TGT, that spark came from professor Nikolay Neprimerov. May 2021 marks the 100th anniversary since the birth of world-renowned physicist, Doctor of Technical Sciences, and professor of physics at the Kazan State University Nikolay Neprimerov. His innovative spirit and theories of fluid displacement in oil reservoirs inspired two young scientists Arthur Aslanyan and Georgy Vasilyev, to establish TGT back in 1998.   “Together with Professor Nikolay Neprimerov, my university professor, we challenged conventional methods for assuring well flow and well integrity”, said Arthur Aslanyan, co-founder of TGT. “Professor Neprimerov told me to ‘learn what the industry needs, understand those needs and create the solution to answer them’, so that is exactly what we set out to do”.   Professor Neprimerov dedicated more than 60-years of his scientific career to researching hydrocarbon recovery. Along with research and outreach activities, Neprimerov contributed to nurturing a young generation of scientists. More than 650 students graduated from the Department of Radioelectronics, which he established and led for many years. Neprimerov created a multifaceted scientific school of oil reservoir studies and engineering, dedicated to various research and industry-related domains. He shared his knowledge widely, authoring more than 150 scientific papers and nine monographs.   For his contribution to science, he was awarded numerous honours and medals, including one of the most coveted – the ‘Russian Federation National Awards in Science and Technology’.   Many of Neprimerov’s ideas form the basis of our powerful diagnostics that help energy companies worldwide improve their performance in a sustainable manner, keeping wells safe, clean and productive. He used to say that the secret of his creative longevity was to serve science for the benefit of society.   His legacy and inspiration continues to this day.

  • Intellectual property
    US16/647,106 – Method and system for well analysis using passive spectral noise logging
  • Technical papers
    SPE-191011-MS – Defining Downhole Contribution/Injection Profile in Multi-Zone Completion by Temperature and Spectral Noise Logging
  • Technical papers
    SPE-195100-MS – An Integrated Downhole Logging Suite Including Spectral Noise Logging to Improve Reservoir Characterization
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    Case studies
    CS010 Packer Seal

    Challenge Wells in underground gas storage projects present a wide and varied range of operational and maintenance challenges. Maintaining the integrity of these wells is essential for safe and reliable gas supply.   In this case, a 25-year-old well was affected by sustained annulus pressure; pressure measurements taken at the surface indicated excess pressure (0.5 MPa) in the A-annulus between the 6”in production casing and the 9⅝”in intermediate casing. The operator needed a reliable method to identify and diagnose sealing integrity challenges, in order to guide remediation and workover decisions. Packer Seal Integrity evaluates the seal performance of packers, locating leaks quickly and with precision. Solution The results were delivered by a combination of True Integrity Seal products, which use, in part, the Chorus acoustic platform. This case study focuses on the results obtained by the Packer Seal Integrity product, which enables a comprehensive diagnosis of packer leaks in the well system and was used to locate the source of sustained pressure in the A-annulus.   The diagnostic programme was performed during winter when gas was being withdrawn from the underground gas storage, under two regimes: during shut-in conditions and during bleed-off from the annulus with excess pressure. Identifying packer and sliding side door leaks in a 25-year-old well. The acoustic signature in Storage Reservoir A relates to gas flow through the formation. The acoustic signals identified by the Chorus platform at the packer (Zone 1) and the sliding side door (Zone 2) proved to be equipment leaks and the cause of the sustained annulus pressure. Result Chorus recorded a high-frequency acoustic signals across Storage Reservoir A (See logplot) under both shut-in and bleed-off conditions. The True Integrity system identified this as lateral gas flow through the reservoir.   Results from the Packer Seal Integrity product recorded acoustic signals at the packer depths in zones 1 and 2 (and the Sliding Side Door (SSD) during the bleed-off operation, this indicated that both the packer and SSD were leaking.   Rapid and accurate analysis of the packer and SSD leaks enabled the operator to make informed and precisely targeted remediation decisions, repair the packer and SSD and restore the well to normal operation.

  • Home

    TGT Diagnostics and FOSINA announce collaboration Find out more Through-barrier diagnostics Decarbonise with diagnostics Find out more Find out more Press releaseAbout UsDecarboniseChorusX launch TGT is the global leader in through-barrier diagnostics for the hydrocarbons sector. What’s your challenge? True Flow Products High water cut True Integrity Seal Products Sustained Annulus Pressure (SAP) True Integrity Seal Products Flow behind casing True Flow Products Cross flow True Integrity Seal Products, True Flow Products Drop in production True Integrity Tube Products Tubular corrosion Related Answer Products We create powerful diagnostic products and technology that reveal flow and integrity dynamics throughout the well system, empowering our customers to keep wells safe, clean, and productive. New Launches ChorusX - The industry's most advanced acoustic sensing and analysis platform Find out more Decarbonise with diagnostics Our through-barrier diagnostics help to deliver more energy with reduced emissions, ultimately reducing carbon per barrel. Find out more Case Studies Find out how our powerful diagnostics can help you to keep wells safe, clean and productive. View case studies Careers At TGT we are engineers, scientists, pioneers and innovators. View vacancies Locations We have 12 offices worldwide serving all global oil and gas markets.   Head Office Office #907, 9th floor, Platinum Tower, Jumeirah Lakes Towers (JLT), Dubai, UAE PO BOX: 334585 All locations

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    Case studies
    CS041 Fracture Flow

    Challenge The operator of a deep high-pressure low-permeability gas field wanted to assess the feasibility and effectiveness of completing a horizontal well with an uncemented liner that had 10 sliding sleeve valves/ports but, unusually, no isolation packers.   Completed in the standard way, this well would require 10 packers, adding significant cost and complexity to the completion. A successful strategy for packer removal would lower completion costs, increase installation efficiency, and reduce future maintenance challenges. These savings and efficiencies would multiply substantially for field-wide application.   The chief concerns about the new strategy were that lack of isolation during fracturing might prevent sufficient fracture force being focused on each target zone and whether the result would be one large fracture rather than multiple distributed fractures. Another challenge was to evaluate the success of the strategy by identifying and locating the fractures to establish their extent along the wellbore and assess the performance of each fracture group.   Conventional production diagnostics could only assess flow entering the wellbore at each port and would, therefore, not reveal fracture location or distribution or even distinguish reservoir flow from port flow. A sophisticated post-fracture assessment was needed to determine whether the technique had been successful and to fine-tune future operations. New ChorusX answers transform the professional workflow, enabling analysts to diagnose well systems flows with greater ease and confidence. In this complex scenario, the Phase Map and Radial Map reveal the location of active fractures directly behind the frac ports. Conventional diagnostics would be unable to deliver this level of clarity and certainty. Solution TGT’s Fracture Flow diagnostics product is used to evaluate the effectiveness of hydraulic fracturing operations. In this well, the new ChorusX acoustic array platform was included in the survey programme to bring a wide range of additional benefits and fracture performance insights.   Using ChorusX, analysts located the precise depth and distribution of induced fractures and evaluated the relative contribution from each fracture along the entire reservoir section. ChorusX can distinguish between flow from fractures and flow through the sliding sleeve valves, even when the fractures are located at the same depth interval as the valves. This breakthrough enables the operator to distinguish between port flow and fracture flow, thus giving greater clarity and certainty to evaluations. Analysts can call on new ChorusX answers to resolve even the most complex flow scenarios. The Phase Map and Radial Map bring valuable insights that complement other measurements, leading to a more confident diagnosis. The top section of this ChorusX answer product identifies and locates active fractures, whereas the lower section confirms that no active fractures are present. Result TGT analysts used ChorusX data to identify and precisely locate fractures right along the reservoir section. The survey also provided an accurate flow geometry that displays the relative contribution that each fracture makes to production.   The Acoustic Radial Map serves as a highresolution, near–far indicator for flow and can distinguish between port flow and reservoir fractures in the immediate vicinity of the ports. These innovative features are unavailable in even the most advanced single-sensor acoustics systems.   The Fracture Flow product with ChorusX technology proved the effectiveness and viability of the new, ultra-efficient completion technique in this geological setting. The results provided the operator with valuable insights that will enable them to optimise the fracturing parameters and the completion design for field-wide roll out. This will deliver enormous savings in time, cost and resources, thereby helping operators access ‘hard to recover’ reserves in a more efficient and economic way.

  • ChorusX

    The industry’s most advanced acoustic sensing and analysis platform Bringing a new level of clarity, precision, and certainty to well system acoustics A flowing well is full of sound encoded with information about the flow that created it. This, and the fact that sound energy penetrates through well and reservoir materials, is why acoustics has become a powerful diagnostic technique for locating and characterising flow. However, the fidelity and resolution of the sound recording, and the effectiveness of processing and analysis technologies all have a direct bearing on the accuracy and certainty of the diagnosis and resulting decisions.   The well reservoir system is a challenging environment for capturing and analysing the high-fidelity sound required for precise diagnostics. There is a combination of materials and fluids with different acoustic properties, multiple boundaries and mechanical noise that act together to create a complex spectrum of acoustic energy. Decoding the sound and extracting useful flow information from this cacophony requires a special combination of technology, expertise, and experience.   TGT has been advancing the use of acoustics to locate and characterise flow in the well system for two decades. The Chorus brand is already recognised for its sensitivity and dynamic range when capturing high-fidelity flow sounds. Our new generation ChorusX platform takes this acoustic capability to a whole new level to deliver exceptional precision, clarity and certainty. ChorusX brochure ChorusX ingredients ChorusX is the sum of many parts that work in concert to deliver a range of important benefits to analysts and customers. Each ingredient is special in its own way, but the big wins occur when they are multiplied together.   Features Explained Benefits ChorusX has been designed to overcome the limitations of conventional acoustic technology and to provide the three essential capabilities of an effective flow-finding resource.   Reach Ultrahigh sensitivity and extreme dynamic range give ChorusX the spatial and audible reach to record the furthest and quietest flows.   Identify Four new high-definition acoustic maps enable analysts to recognise and distinguish different types of flow easily and confidently.   Locate Eight high-definition array sensors and a unique phase analysis engine work join forces to pinpoint flow sources everywhere in the well system in depth, and radial distance. Diagnostics products and applications Well systems perform by connecting the right fluids to the right places, and mapping flow dynamics downhole is essential to keeping wells safe, clean and productive. ChorusX provides asset teams with the flow insights they need to manage well and reservoir performance more effectively.   As an integral part of TGT’s ‘True Flow’ and ‘True Integrity’ diagnostic systems, ChorusX capability is available through a range of application-specific answer products. Through these answer products, ChorusX delivers clear, complementary answers that enable analysts and customers to reach an accurate diagnosis more efficiently. A robust and accurate picture of the well system enables better decisions and positive outcomes. This means that, when remediation plans are being implemented, there is a greater prospect of first-time success.   True Flow products help asset teams to understand flow dynamics between the reservoir formations and the well completion. Notably, these answer products reveal flow where it matters most—at the reservoir. Some of the distinct True Flow applications and benefits brought by ChorusX include fracture assessment, delineating active formations, and distinguishing between reservoir flow and completion flow.   True Integrity / Seal Integrity products help asset teams to validate the performance of seals and barriers throughout the well system, including packers, cemented annuli, tubulars, and valves. Typical applications for ChorusX include revealing low-rate leaks, tracing the source of B and C annulus pressure, and resolving leaks in close proximity to each other. Resources Platform flyers(8) Hardware specifications(7) Case studies(36) Technical papers(128) Intellectual property(48) More(45) Product flyers(22) System flyers(2) White papers(0) Product animations(21) Resources

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    TGT Diagnostics #KnowYourFlow camapign wins Gold at the Transform Awards MEA 2023

    Dubai, UAE – 24 May 2023   TGT announced today that its ‘Horizontal Flow powered by Cascade3 brand strategy and brand campaign won Gold for “Best visual identity from the energy and utilities sector” , as well as ‘highly commended’ in two other categories for 'Best Development of a New Brand Within an Existing Brand Portfolio' and 'Best Strategic or Creative Development of a New Brand', at the tenth annual Transform Awards MEA 2023.   This is the third cluster of brand accolades TGT received from the Transform awards, following its previous Gold and Silver success for the total brand transformation of its ‘TGT Diagnostics’ parent brand and Pulse1 brand strategy.   This is a tremendous achievement for the company and a credit to our talented brand team”, commented Ken Feather, Chief Marketing Officer, TGT. “We engineered and produced all aspects of the Horizontal Flow powered by Cascade3 brand, from consumer research to positioning, developing brand codes, sales collateral, media content and executing an ambitious communications campaign #KnowYourFlow. To win alongside so many iconic brands and professional brand agencies is an outstanding result. I’m very proud of the team”, continued Ken.   Horizontal Flow powered by Cascade3 technology delivers accurate assessments of flow dynamics in horizontal wells, enabling asset teams to manage well and reservoir performance more effectively, helping energy producers keep wells safe, clean and productive.   “Horizontal wells promise enormous efficiency and economic gains but are notoriously challenging to manage. Horizontal Flow with Cascade3 solves many of the diagnostic challenges faced by Reservoir and Production Engineers, providing them with the insights they need to reduce operating costs and energy consumption and increase ultimate recovery.” added Ken. Established in 2009, the annual Transform Awards recognise the most innovative, creative and successful brand work across the world. Covering seven regions, this prestigious awards programme focuses on specific aspects of the branding process and provides a platform to benchmark and showcase exemplary work in brand strategy and development.   Andrew Thomas, publishing editor of Transform magazine and founder of the Transform Awards, says, “For the past 10 years, the Transform Awards has benchmarked the best of brand strategy, creativity and design in the Middle East and Africa region. Tonight’s ceremony truly demonstrated the transformative power of brand strategy and design, and we look forward to carrying on these celebrations over the next decade.   TGT continues to focus on providing diagnostic solutions that help the oil and gas industry reduce emissions and achieve carbon-zero targets, enabling a sustainable energy future for everyone. Transform Awards MEA 2023 winners