.... sedimentary rock upstream oil & gas reservoir geology rock type log analysis complex reservoir artificial intelligence geologist asia government china government porosity tight carbonate reservoir chloride concentration machine learning water saturation fluid identification chlorine...

... conventional density and neutron logging in the second well. geology asia government geologist rock type upstream oil & gas china government reservoir surveillance drilling data acquisition reservoir characterization nmr log analysis japan production control porosity lwd nmr neutron...

... Abstract The ultra-tight and complex lacustrine carbonate was an important exploration target for oil in Qaidam basin. The reservoir is highly heterogenous in terms of lithologies, pore structures, porosity and permeability. The core analysis shows a wide variety of mineral assemblages...

... conventional method dual-water method waxman-smit method initial value old core resistivity measurement data algorithm conductivity accuracy porosity clay mineral The 28th Formation Evaluation Symposium of Japan, September 13-14, 2023 LEVERAGING THE COMPUTING POWER TO EXTRACT THE FULL VALUE FROM...

... Introduction This paper presents the methodology used to deliver a consistent set of rock types, with petrophysical outputs of porosity, water saturation, and permeability, using a class-based machine learning (CbML) method. This novel tool is designed for summarizing the unique...

... logging data were extracted by using the data mining and decision tree techniques. Finally, the porosity, density, shaly content, and the ratio of deep and shallow resistivity were found to be sensitive to mercury injection saturations at every mercury injection pressure, and they were chosen as the input...

... formation evaluation symposium regime information annual logging symposium reservoir characterization porosity effective-flow fracture university The 27th Formation Evaluation Symposium of Japan, September 14-15, 2022 INTEGRATED FRACTURE ANALYSIS WITH BOREHOLE GEOLOGY, ACOUSTIC AND GEOMECHANICS...

... porosity (20% +) - Enough sub-sea depth (800 m+, depth at which CO2 becomes supercritical state at the time of injection) Injectivity - Higher permeability, which ensures efficiency for CO2 to be injected at injection pressure below the level of pressure of induced formation fracture Sealing capacity...

.... The complex LWD string consisting of gamma ray, resistivity, neutron porosity, azimuthal density, azimuthal sonic, and Nuclear Magnetic Resonance (NMR) tools was deployed on a Motorized Rotary Steerable System (MRSS) BHA. In addition, a prototype high-resolution acoustic imaging and caliper tool, designed...

... scenarios to identify gas or CO 2 in reservoirs and determine the gas saturation with case studies (Iglesias et al., 2016; Rose et al., 2017). Simulated log response in a forward formation model of shale and sand, that shows FNXS is sensitive to gas-filled porosity variation, but insensitive to liquid...

... simulation Engineering Modeling & Simulation Upstream Oil & Gas concentration experiment enhanced recovery ion concentration adsorption amount permeability porosity 25th formation evaluation symposium Oil Recovery reaction University waterflooding absolute permeability simulator...

... machine learning classification pretest interpretation reservoir permeability evaluation intrinsic permeability permeability estimation mobility porosity lithofacies Classification lithofacies Japan Fluid Dynamics evaluation effective permeability 25th formation evaluation symposium...

... ABSTRACT The relationship between porosity and permeability is often only marginally useful in production performance prediction, and it is desirable to investigate alternative methodologies to improve permeability estimates. This paper presents a new workflow using logging-while-drilling (LWD...

... and Poupon, 1968 and Segesman and Liu, 1971). It has been widely adopted in the petrophysical society today. However, there was an instance of the gas bearing formation which was not able to be reconciled porosities derived from different tools (e.g. Density, Neutron, and Nuclear magnetic resonance), even...

... ABSTRACT Organic matter exerts a fundamental control on porosity and permeability in organic-rich tight hydrocarbon reservoirs. The complexities of these relationships are not well defined however and may be influenced by a variety of factors including organic matter richness, thermal maturity...

... evaluation symposium Upstream Oil & Gas evaluation low resistivity heavy oil reservoir Japan dielectric measurement heavy oil reservoir numerical model permeability bitumen oil reservoir porosity saturation case study water saturation production forecasting reservoir CASE STUDY...

... veins in the core were separated into two groups: Group-1 comprises veins shorter than 10 centimeters; Group-2veins are greater than 10 centimeters. Subsequently, post-acidizing fracture intensity, fracture porosity and fracture permeability were examined in the two groups by assuming all the dolomite...

..., where to do the test. In this paper, a new solution is proposed based on the problem elaborated above. log analysis Upstream Oil & Gas correlation well logging drillstem/well testing real time system Drillstem Testing 24th formation evaluation symposium porosity gas Condensate...

... substitution to fully evaluate and characterize LRLC formations by 1) quantifying accurate sand fraction, porosity, permeability and water saturation using a modified laminated sand analysis with NMR factor analysis, 2) analyzing fluid facies from NMR factor analysis to separate shale, block pay sand...

... production plans along the shale formation of interest. A well having complete data as mentioned above is used in this study. At first, the main conventional petrophysical properties such as clay content, porosity, and water saturation are interpreted by using triple combo logs and supported with sonic...