![]() continuous depth-based log modes in both wells. This paper also highlights a comparison of NMR data acquired in stationary vs. High-confidence fluid properties and fluid contacts are determined. This paper showcases excellent, textbook-quality NMR data, as well as the integration of NMR data in the petrophysical workflow. NMR fluid typing can be obtained from a continuous log and/or stationary log measurements. NMR fluid typing today is a combination of the contrast of spin relaxation time T1, the spin-spin relaxation time T2 (T1T2), and the diffusivity (T2D) of formation fluids (Chen et al., 2016). NMR fluid typing has been widely used in the oil industry since the 1990s. Reservoir quality encountered in both wells was very good, and a project to develop these resources is currently in the selection phase.įormation evaluation uncertainty encompassing pore geometry distribution, permeability, reservoir quality, and hydrocarbon identification are mitigated by studying the nuclear magnetic resonance (NMR) log response. Well A was first drilled on the south of the structure, followed by Well B on the north of the structure. Evaluating fluid properties, oil column height, and reservoir quality were primary objectives. A comprehensive wireline logging program, including NMR and formation testing, was optimized to reduce formation evaluation uncertainty. Two wells were drilled in 2018 in the Gekko structure to confirm oil column height and to evaluate reservoir quality in the Heimdal Formation. The Alvheim Field in the Norwegian North Sea was discovered in 1998. ontains "bursts," which are multiple repeated echo trains to Potential, a reinterpretation of Gekko formation pressure wate. Fluid volumes for microporosity (claybound ![]() In 2017, as part of a reevaluation of Gekko development size and uid type. In a High-Porosity Sandstone Formatio.eted oil-water contact. Contacts Identication Using NMR Continuous and Stationary Measurements An Integrated Petrophysical Workow for Fluid Characterization and. ![]() Well A was rst drilled on the south of the This paper also highlights a. Oil column height, and reservoir quality were primary and uid contacts are determined. Identication Using NMR Continuous and Stationary Measurements in a DOI: PJV62N2-2021a5Īn Integrated Petrophysical Workow for Fluid Characterization and.
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