... reservoir simulation drilling operation upstream oil & gas remediation of hydrates asphaltene inhibition information variation pilot well gor spwla 63 asphaltene content annual logging symposium rd annual logging symposium spwla-2022-0006 compartmentalization mobility composition...

... drilling fluid management & disposal real time system well logging equation of state pvt measurement log analysis drilling fluids and materials pvt sample threshold mud gas spwla-2022-0007 composition castberg field accuracy prediction spwla 63 machine learning artificial...

... similarity equation of state information rd annual logging symposium porosity fluid property hydrocarbon well logging machine learning upstream oil & gas prediction identification algorithm transaction artificial intelligence spwla-2022-0009 composition spwla 63 reservoir fluid density...

... measurement remediation of hydrates wax remediation scale remediation production chemistry reservoir simulation upstream oil & gas composition asphaltene instability spwla 63 oil column crude oil compound spwla-2022-0029 fraction rd annual logging symposium asphaltene shale break oxygen...

... system providing continuous PVT-like composition in the C 1 -C 5 range. The gas ratio analysis allows inferring the fluid type in the reservoir during drilling. The continuous data nature gives a complete fluid profile along the well. Historical data from the same field, including AMG and PVT samples...

... changes compositionally in water chemistry and seafloor sediment composition, throughout the interval for both formations. diagenetic alteration, and mineralization associated with circulation of fluids upon burial. Such alterations It is also noteworthy that the ROC blind test did not will tend...

... during hydrocarbon expulsion. MATERIALS AND METHODS Depth Various surface measurements including advanced mud gas, organic and inorganic geochemistry on cuttings was compared and correlated with PVT compositional data, downhole petrophysical logs and organic lab measurements and assessments on oil...

... Abstract Reliable quantification of wettability is critical in assessment of fluid distribution, capillary pressure, relative permeability, and flow properties of fluids in reservoirs. Wettability of reservoirs can be affected by chemical composition of rock-fluid system, salinity...

... ABSTRACT Laboratory NMR core-analysis integrated with downhole NMR logging has proven to contribute significantly to formation evaluation. In this paper, we integrate laboratory NMR measurements with NMR logging to estimate the hydrocarbon composition in an organic-rich chalk prospect. We also...

... Geochemistry Energy Dispersive X-Ray Fluorescence (ED-XRF) and X-Ray Diffractometry (XRD). Elemental (ED-XRF) and mineralogical (XRD) analyses on core chips have been used to evaluate carbonate compositional heterogeneity and possible correlation with rock petrophysics (LWD/WL). As demonstrated by several...

.... This study focuses on solving for high-resolution on mineralogical compositions of the formation combining pulsed-neutron spectroscopy measurements, image logs, and other conventional log responses. A workflow has been developed with the following major steps: Extract lithology volumetric models from high...

...) with knowledge of mineral endpoints (e.g., Table1; Herron and Matteson, 1993; Herron et al., 2014). Herron et al. (2014) have published results showing how this approach can produce log-based mineralogy results in good match with a core measured mineralogy reference. Table 1. Elemental composition of typical...

... ABSTRACT The accurate prediction of crude oil properties is essential for a comprehensive reservoir modelling and fluid characterization. Therefore, various analytical systems and measurement techniques are applied. The reservoir fluid composition and physical properties are determined...

... ABSTRACT Determining in-situ hydrocarbon composition from log measurements is accomplished today by first assuming that a hydrocarbon type is present (gas, oil), then assigning log parameters to the hydrocarbon phase, and, finally, using a minimization technique to solve for hydrocarbons...

... to estimate contamination nearly ubiquitously rely on curve fitting of measured properties, such as density, fluid compositions (including gas/oil ratio [GOR] and asphaltene content), or color. These techniques, however, suffer from several shortcomings, such as tool drifting, dependence on end-member...

.... Upstream Oil & Gas contribution secondary calibration Symposium log analysis Spectral Gamma Ray Tool composition environmental correction well logging calibration spwla 59 gamma ray tool GAPI calibration pit count rate concentration net concentration coefficient belknap SPWLA 59th...

... contamination crucially assume that the mole fraction of components in the C8+ portion of uncontaminated reservoir fluids and the corresponding molecular weights (or carbon numbers) follow an exponential relation. When actual fluid compositions deviate from the assumed behavior, a large error in OBM filtrate...

... such as electrical conductivity and dielectric permittivity. Imprecise estimation of these properties results in significant uncertainties in the interpretation of well logs for reserves evaluation. Quantifying the impacts of thermal maturity and chemical composition of kerogen on dielectric constant leads...

... measurements, such as optical, composition, density, and compressibility. These curve fitting methods necessitate a significant signal contrast between the pure OBM filtrate and the formation fluid. Curve fitting uses two assumptions that are often proven untrue: 1) the fluid asymptotically approaches a clean...

... Upstream Oil & Gas Artificial Intelligence composition log analysis total porosity shale formation evaluation sandstone compaction silt sequence well logging facies porosity assumption evaluation Symposium silty facies spwla 58 Boomerang reservoir resistivity estimation...