Search Results for: Formation evaluation

Formation evaluation in unconventional reservoirs, such as shale gas, tight oil, and coalbed methane, presents unique challenges due to the low permeability and complex geology of these formations. Traditional well-logging techniques often fail to provide the necessary resolution and accuracy for effective evaluation and development of these resources. Consequently, specialized well-logging techniques have been developed and…

Formation evaluation is a critical aspect of oil and gas exploration and production. It involves the assessment of subsurface geological formations to determine their potential to store and produce hydrocarbons. One of the most effective ways to perform formation evaluation is through the use of downhole tools, which provide real-time data and insights into the characteristics…

Density logging is an essential technique in the oil and gas industry. By measuring the bulk density of subsurface formations, this method provides critical insights into the geological structure, helping in reservoir characterization, formation evaluation, and resource estimation. What is Density Logging Density logging is a type of well logging that measures the electron density of rock…

Well cementing is serving as the backbone for well integrity and long-term production efficiency in oil and gas operations, ensuring the isolation of different subterranean formations and providing structural support to the wellbore. Evaluation and diagnostics in well cementing are essential to ensure the operation is successful and to prevent potential issues that could compromise the well. Importance of Evaluation and Diagnostics…

Geophysical well logging stands as a cornerstone technique, providing invaluable insights into geological formations, fluid properties, and resource potential. It involves the deployment of specialized instruments and sensors down a borehole to measure various physical and chemical properties of rocks, fluids, and formations. Let’s delve into the science, importance, methodologies, and applications of geophysical well logging. Understanding…

Well logging, the practice of recording geological and petrophysical data from boreholes, provides crucial insights into reservoir properties, formation characteristics, and fluid compositions. Traditional well logging tools have served the industry well, but the demand for more comprehensive data and operational efficiency has spurred the development of multifunctional well logging tools. In this article, we delve…

In contemporary oil and gas drilling operations, technology is essential for maximizing efficiency, safety, and productivity. Among the various tools and systems employed, mud logging stands out as a critical component of the drilling process. Mud logging monitors well conditions during drilling, offering vital data that supports decision-making and ensures peak performance throughout the operation. This…

As the oil and gas industry continues to shift its focus toward unconventional reservoirs, such as shale formations and tight oil plays, the need for advanced logging techniques has become more pressing. Recent advances in neutron logging technologies have improved the accuracy of formation evaluation, making it a valuable asset for characterizing complex rock structures…

Well cementing plays a crucial role in the lifecycle of a well, providing essential barriers to prevent fluid migration, stabilize the wellbore, and protect against corrosion. To ensure the long-term integrity of well cementing, it is important to follow a comprehensive approach encompassing planning, execution, and monitoring. Why Long-term Integrity in Well Cementing is Important This…

Gamma ray logging is a widely used geophysical method in the oil and gas industry for identifying and characterizing rock formations during the drilling process. This technique plays a crucial role in determining the composition of subsurface formations, particularly in distinguishing between different types of rocks such as shale, sandstone, and limestone, which is essential…