NIUMAG
Overburden NMR Applications
Overburden NMR is a technique used in geophysics and petroleum exploration to measure the properties of fluids and rocks in the subsurface. It is particularly useful in characterizing the fluid content and saturation of reservoir rocks.
Overburden NMR involves the application of NMR principles to study the behavior of fluids and rocks under the influence of high pressure and temperature conditions found deep within the Earth. By subjecting rock samples to NMR measurements at different pressures and temperatures, scientists can obtain information about the fluid content, fluid type, and fluid saturation in reservoirs.
Overburden NMR can provide valuable insights into reservoir properties, fluid flow, and saturation, aiding in the assessment of hydrocarbon reserves and guiding exploration and production activities in the oil and gas industry. The technique relies on the fact that different fluids exhibit distinct NMR responses due to variations in their molecular structure and chemical composition. By analyzing the NMR signals obtained from the overburdened rock samples, geoscientists can make inferences about the presence and characteristics of hydrocarbons, as well as other fluids, such as water or brine.
Overburden NMR Applications
Overburden NMR has several applications in the fields of geophysics and petroleum exploration.
Fluid characterization: Overburden NMR can be used to determine the type and properties of fluids present in subsurface reservoir rocks. By analyzing the NMR signals, geoscientists can identify the presence of hydrocarbons (oil and gas), water, brine, or other fluids. This information is crucial for understanding fluid behavior, reservoir quality, and estimating hydrocarbon reserves.
Fluid saturation estimation: Overburden NMR helps in quantifying the saturation levels of fluids in reservoir rocks. It provides insights into the distribution and mobility of fluids, which aids in reservoir modeling, production optimization, and enhanced oil recovery techniques.
Pore structure analysis: Overburden NMR can provide information about the pore structure and connectivity of rocks. By analyzing the NMR relaxation times and diffusion coefficients, geoscientists can determine pore size, shape, and distribution, which are important factors influencing fluid storage and flow properties.
Reservoir monitoring: Overburden NMR can be used for in-situ monitoring of reservoirs. By periodically measuring NMR properties, such as fluid saturation and fluid mobility, over time, engineers can track changes in the reservoir’s behavior, optimize production strategies, and detect potential issues like fluid movement or leakage.
Unconventional reservoir evaluation: Overburden NMR is particularly valuable in the evaluation of unconventional reservoirs, such as shale gas and tight oil formations. These reservoirs often have complex pore structures and fluid dynamics, and NMR can help characterize the storage capacity, fluid type, and mobility within these unconventional systems.
Overburden NMR provides valuable insights into the fluid and rock properties of subsurface reservoirs. It aids in reservoir characterization, enhances the understanding of fluid behavior, and assists in optimizing exploration and production strategies in the oil and gas industry.
Overburden NMR Instrument
NIUMAG focus on the development and manufacturing of NMR (Nuclear Magnetic Resonance) instruments and systems for various applications, including rock core analysis. The HTHP Rock Core NMR Analyzer MRI System is one of Niumag’s products designed specifically for studying rock samples under high-pressure and high-temperature conditions, simulating the conditions found in the Earth’s subsurface.
This system allows researchers and geoscientists to perform NMR measurements on rock core samples while subjecting them to controlled pressure and temperature environments. By analyzing the NMR signals and relaxation times of the rock core samples under these conditions, valuable information can be obtained regarding fluid content, fluid type, fluid saturation, and pore structure.
The HTHP Rock Core NMR Analyzer MRI System from NIUMAG is aimed at providing insights into reservoir characterization, fluid behavior, and fluid-rock interactions. It is particularly useful in the field of geophysics and petroleum exploration for evaluating hydrocarbon reservoirs, understanding fluid flow dynamics, and optimizing production strategies.
