... of determining the best supervised machine learning algorithm to incorporate to reduce the sensor offset problem. The bulk density and porosity logs are predicted at the bit in this paper using petrophysical and drilling parameters. The results of the model will be used to perform lithology identification...

... Dynamics porosity petrophysical parameter reservoir information permeability producer heterogeneous reservoir fractal dimension reservoir model Introduction Reservoir simulation provides estimations of cumulative hydrocarbon production and production rate from digital models of reservoirs...

... complex reservoir pore structure x-ray tomography sample 2 Reservoir Characterization resolution Pore Structure Characterization x-ray micro tomography shale gas orientation sample 1 aspect ratio Upstream Oil & Gas pore porosity tomography society of petroleum engineers...

... Upstream Oil & Gas composition conductivity relative permeability curve incremental recovery Oil Recovery enhanced recovery reservoir cation exchange capacity porosity clay mineral formation water Introduction Low salinity waterflooding (LSWF) is an enhanced oil recovery (EOR...

.... machine learning oil sand recovery factor bitumen Artificial Intelligence reserves evaluation oil reservoir empirical equation porosity Upstream Oil & Gas target reservoir enhanced recovery complex reservoir viscosity fluid property principal component analysis ultimate recovery factor...

... libya gamma ray log analysis offshore environment upstream oil & gas spe 144890 evaluation spectroscopy formation evaluation porosity application radioactive source ultrasonic caliper well logging service provide unique petrophysical measurement neutron porosity interpretation...

... v p = k+ 4 3 μ ρ B v s = μ ρ B where ρ B denotes bulk density, i.e. the volume average density of the solid and liquid phases, which is a function of porosity, matrix and fluid densities and can be calculated from the following...

... equation of state exhibition connectivity reservoir fluid fluid modeling equilibrium diffusion coefficient compositional equilibrium upstream oil & gas composition fluid composition reservoir pseudo component porosity equilibration gradient baffle reservoir connectivity...

... with independent measurements of the parameters that are predicted. Abstract Formation characteristics are predicted using an advanced computational mathematical method and using hydrocarbon-gas and drilling data as input. Robust predictions of porosity and saturation are made in vertical and horizontal...

... productivity flow in porous media fluid dynamics depression well pattern erosional depression perforation length lateral porosity accumulation thin low permeability gas field hba-19ml liner spe 123979 spiralling dual lateral horizontal well Halfdan Northeast Location and Reservoir Geology...

...Reservoir characterization The elastic properties of North Sea chalk vary considerably primarily because the chalk may be characterized by porosities ranging from below 10% to above 45%, but also due to parameters such as pore filling fluids, effective stress, and cementation (e.g. Reference...

... velocity data. Upstream Oil & Gas uplift velocity data variation basin velocity profile inversion velocity field Porcupine Basin porosity walford composite unconformity Reservoir Characterization Slyne basin unconformity seismic velocity interpretation special publication...

... Abstract It is well-known that CSEM data are sensitive to the presence of hydrocarbons, but the diffusive energy propagation results in low resolution images. Seismic data are much better suited to resolving structure and some rock properties, notably porosity, but attempts to map fluids from...

... with simple analytical models add to the quantitative description of injection under fracturing conditions by facilitating measures of fracture height, connectivity and extent. injector Upstream Oil & Gas Reservoir Characterization Halfdan field porosity saturation relative acoustic impedance...

... of porosity, CO 2 saturation, and CO 2 -filled reservoir thickness. The dynamic temperature signal associated with the movement of CO 2 in the well and the porous rock is discussed and results of numerical simulations are presented. The detectability of these temperature signals is assessed and found...

... Characterization log analysis strength well logging sand production porosity formation strength depositional environment sandstone fluid flow texture Fault Zone prediction study Exhibition rock strength determination in-situ stress qualitative reservoir data horizontal stress rock mass fracture...

... with reservoir characteristics (porosity and permeability) with pores filled with brine. The term ‘saline’ expresses that CO 2 storage is planned in reservoirs not intended to be used as fresh water resources, generally shallower than 1000 m, so that often ‘deep’ saline aquifer is added. The term ‘saline...

... of a tilted fault block of Lower Cretaceous limestone of the Montsia Formation. Well data indicates the limestone is intensely karstified, creating a complex and chaotic distribution of porosity within the structure. Schlumberger provided an advanced logging suite and data interpretation services...

... techniques and the consequences to borehole stability addressed. An example of principal stress rotation gleaned from a deepwater MEM and the consequences to borehole stability is summarized in this paper. Upstream Oil & Gas porosity formation strength exploration lithology orientation ppg...

.... At the top of the tool is the resistivity antenna array as well as the PNG with all the sensors required for the various related nuclear measurements. These include the near and far neutron detectors for the count rate ratio-based neutron porosity measurements, providing the thermal neutron porosity (TNPH...