What is Microbiological Oilfield Reservoir Souring?
Additional downhole pressure is needed to extract oil from a reservoir during secondary recovery. This is typically achieved by ‘water-flooding’ – introducing water into the reservoir through injection wells, to ensure a steady flow of crude oil at the producer.
What is M3 Molten Metal Manipulation?
Calling on more than 20 years’ expertise gained developing bismuth alloy seals for use in some of the world’s most challenging environments, we have created M3 Molten Metal Manipulation: a range of low-melting-point, reversible alloy seals and application techniques for the rapid recovery of leaks and cracks in civil structures, seals, joints, flanges and pipelines, as well as planned preventive maintenance.
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Over $100 Million Saved for Leading Operator
Having been advised that a vastly expensive sulfate removal unit (SRU) was essential to prevent future microbiological oilfield reservoir souring at one of its offshore assets, the operator turned to Rawwater for a second opinion.
Key Benefits and Uses
Rawwater’s M3 Molten Metal Manipulation provides unique and unrivalled leak-sealing capabilities across a wide range of highly challenging industrial applications.
Reducing Chemistry Requirement by 20%
Committed to ensuring correct and bespoke chemical dosing strategies, a leading chemical vendor wanted to evaluate the efficacy of its biocidal treatment chemistry for microbiological souring control in the North Sea.
M3 Deployment Methods
M3 deployment methods include M3Spray – a kinetic molten alloy spray which is available with a range of hose lengths for manual or remote application, and M3CollarCast – a process that uses specially designed casting collar moulds for the application of rapidly curing molten alloy seals around pipes, joints and flanges.
Oilfield Reservoir Souring
The original Offshore Technology Report for the Health and Safety Executive
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Evaluating Sub-Optimal Nitrate Application
Study evaluating the effectiveness of sub-optimal nitrate dosing for controlling H₂S production in reservoirs, highlighting challenges of accurate dosing under complex pressure, temperature and microbial conditions.
Long-Term Microbial Souring
Study on microbial souring in oilfields, focusing on how microbial responses to nutrient shifts and pressure during PWRI and shut-ins impact H₂S control and long-term reservoir management.
Oilfield Reservoir Souring at Early Decision Gate
Wanting to understand the likelihood of oilfield reservoir souring in one of its new discoveries, a leading operator commissioned Rawwater to assess the impact of problematic subsurface sour gas generation.
Establishing the Viability of Shut-In Reservoirs
In light of consistently stable oil prices, a leading operator wished to ascertain the viability of bringing one of its previously shut-in North Sea assets back into service.
SPE International Conference on Oilfield Chemistry 2025
Evaluating Sub-Optimal Nitrate Application Under Simulated Field Conditions Using High-Pressure Bioreactors
Oilfield Technology Magazine March-April 2024
The Oilfield Technology magazine cover story, titled 'Removing the Sour Taste'
AMPP Annual Conference and Expo 2024
Control of Reservoir Souring and Corrosion Prevention in Production Systems in Response to Nitrate Injection Cessation
SPE Symposium and Exhibition - Production Enhancement and Cost Optimisation 2024
A Strategic Approach to Significant Cost Reduction Through Advanced Souring Forecasting Modelling and High-Pressure Bioreactors in H2S Production Management
Microbiology Today May 2023: Industrial Microbiology
Simulating the Sour Subsurface… and Beyond
SPE International Conference on Oilfield Chemistry 2023
Simulative Studies on the Control of Biofouling and Microbial Souring in the Wellbore of Injection Wells
New Desktop Modelling Tool Brings Unparalleled Insight into Problematic Oilfield Microbiology
Rawwater has launched a brand-new version of its industry leading DynamicTVS© predictive oilfield souring desktop modelling tool.
Energy Focus Magazine January 2023
Sour pointers: Understanding the impact of microbiological oilfield reservoir souring
Pressurised Bioreactor Study Confirms Advantage of Rawwater’s “Earliest Possible” Oilfield Reservoir Souring Forecasting Model
A major pressurised bioreactor study underpins the significant benefits offered by its ‘field planning stage’ souring modelling capability.
Microbial Bioinformatics in the Oil and Gas Industry 2021
This book brings together contributions from leading scientists, academics, and experts from the oil and gas industry to discuss microbial-related problems faced by the industry and how bioinformatics and an interdisciplinary scientific approach can address these challenges.
Frontiers in Microbiology 2020 (i)
Identification of Persistent Sulfidogenic Bacteria in Shale Gas Produced Waters
Frontiers in Microbiology 2020 (ii)
Understanding Microbial Community Dynamics in Up-Flow Bioreactors to Improve Mitigation Strategies for Oil Souring
Frontiers in Microbiology 2017
Guar Gum Stimulates Biogenic Sulfide Production at Elevated Pressures: Implications for Shale Gas Extraction
NACE CORROSION 2014
The Use Of Realistic Physiochemical Conditions To Demonstrate The Ability Of Third Generation THPS To Control Reservoir Souring And MIC
Understanding the Microbiology of Carbon Capture Storage
Carbon Capture Storage R&D Hub to assist the UK in understanding the microbiology of carbon capture storage environments.
Hydraulically Fractured Shales
Driven by rising energy costs, the global production of natural gas from onshore shale reservoirs has increased significantly over recent years. At the same time, research has confirmed the existence of active microbial communities in fractured shale environments.
Rawwater
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