... evaluation workflows. A key challenge arises when integrating advanced dielectric and geochemical spectroscopy logs, each of which yields independent outputs for water saturation and salinity through distinct measurement physics. Present workflows designed to reconcile these and other quantities do...

... to support the definition of the Gas-Water contact (GWC), confirmed with pressure data and petrophysical evaluation. Although, the lower R2 obtained for the porosity, the average values are quite similar. The trend and magnitude of the predicted porosity are well aligned with the porosity derived from log...

... Drilling (LWD) acoustics field has seen significant development, with applications in both open and cased holes. This case study delves into the critical aspect of ensuring the quality of LWD acoustic data across various applications, including real-time Top of Cement (TOC) evaluation and a novel approach...

... connectivity at the earliest stages of reservoir evaluation. Moreover, new reservoir and well-log data can be placed within this framework deep into development. The combination of borehole image logs (BHI) and downhole fluid analysis (DFA) from the discovery and early appraisal wells is used to address...

...SPWLA 65th Annual Logging Symposium, May 18-22, 2024 DOI: 10.30632/SPWLA-2024-0114 AN EVALUATING CEMENT METHOD USING GAMMA-GAMMA DENSITY IMAGING LOGGING IN DOUBLE CASING WELL Yiming Yu, Feng Zhang, Luyu Zhong, Zhenhua Hu, Yuexiang Dai, School of Geosciences, China University of Petroleum (East...

... and evaluation can be completed by making full use of the retrieved formation resistivity and other logging data. SPWLA 65th Annual Logging Symposium, May 18-22, 2024 DOI: 10.30632/SPWLA-2024-0095 A NEW SHORT SPACING TRANSIENT ELECTROMAGNETIC LWD TOOL FOR GEOSTEERING AND FORMATION EVALUATION Xiaozhuang Wang...

...SPWLA 65th Annual Logging Symposium, May 18-22, 2024 DOI: 10.30632/SPWLA-2024-0065 ASSESSING THE IMPACT OF IMAGE DATA ON ENHANCING ROCK CLASSIFICATION AND FORMATION EVALUATION Pallavi Sahu and Zoya Heidari, The University of Texas at Austin; Gabriel Feres Nassau, Plinio Cancio Rocha da Silva...

... ABSTRACT Sonic log data acquired behind casing is often viewed only as a last formation evaluation resort. That is due to the challenges related to cement quality and interference of the casing signal with the formation signals. Obtaining compressional and shear sonic log data through multiple...

... geology porosity geologist rock type neutron porosity annual logging symposium carbonate rock well logging neutron spwla 65 th annual logging symposium neutron generator salinity detector evaluation sedimentary rock mineral log analysis thermal neutron sensitivity china...

... Porosity is one of the essential parameters in conventional oil and gas reservoir evaluation, as well as plays an important role in the calculation of formation saturation and reserves estimation. Neutron porosity logging based on Am-Be source is the most commonly used method to obtain formation porosity...

... ABSTRACT As the oil and gas industry continues to mature, wells are drilled in increasingly challenging environments, often putting at risk the formation evaluation program in an open hole environment. Even if the well is accessible, cost and risk of a complete multi-run OH formation...

... of subjec- improve efficiency, there is a tendency to focus on tivity, promoting data-driven results. The methodology the primary zones of interest within well intervals, often at the expense of a comprehensive evaluation. 1 SPWLA-2024-0134 SPWLA 65th Annual Logging Symposium, May 18 22, 2024 This approach...

... Complicated downhole environment and unreasonable operation often result in poor-quality logging data that fails to accurately formation evaluation. It is crucial to identify measurement errors promptly using effective data quality control, allowing for timely corrections or the removal of substandard data...

... by the presence of a heavy formation oil, different from the usual Pre-salt petroleum, and there was a great uncertainty about the depth of the OWC and the FWL. The initial petrophysical evaluation stipulated a conservative FWL around x114 m, but this depth was not entirely in line with the interpretation of NMR...

... application artificial intelligence data mining machine learning annual logging symposium effectiveness characteristic rock type reservoir surveillance production monitoring evaluation fracture china national logging corporation research institute frequency SPWLA 65th Annual Logging Symposium...

...SPWLA 65th Annual Logging Symposium, May 18-22, 2024 DOI: 10.30632/SPWLA-202 -0004 THE EVALUATION AND CORRECTION OF PHOTOELECTRIC FACTOR IN THE PRESENCE OF LARGE STANDOFF AND HEAVY MUDS Bair Banzarov, Andreas Vogt, and Nicklas Ritzmann, Baker Hughes Copyright 2024, held jointly by the Society...

... tested for the model. These applications include anisotropic elastic moduli estimates, Thomsen weak anisotropy parameters evaluation, inversion-based porosity and clay volume analysis, and saturation analysis. This paper presents a novel dispersed and laminated clay rock-physics model and its calibration...

... subdiscipline inversion drilling operation drilling data acquisition machine learning spwla-2023-0044 interpretation wellbore design europe government mwd spwla 64 doi evaluation log analysis reservoir characterization th annual logging symposium permeability porosity prediction workflow...

...-0024 th annual logging symposium drilling fluids and materials well logging annual logging symposium logging symposium prediction geology gas injection method norway government log analysis identification methane dataset correction spwla 64th evaluation machine learning sm 3...

... ABSTRACT Volcanic reservoir is difficult to evaluate due to complex lithology and strong heterogeneity. To better characterize the reservoir and identify good reservoirs, we combined elemental spectroscopy logging data, electrical image data, array sonic data, 2D nuclear magnetic resonance...