... symposium acoustic amplitude image array porosity rock class amplitude image array rock fabric upstream oil & gas annual logging symposium depth interval volumetric concentration rock classification Abstract Diagenetic processes in carbonate formations result in rapid spatial variation...

... upstream oil & gas development subsurface team machine learning carbonate reservoir fracture class complex reservoir akbar porosity spwla 63 hungary university damage zone rd annual logging symposium artificial intelligence classification facies fracture spwla-2022-0109...

... reservoir characterization test plug sandstone physics core analysis porosity spwla-2022-0128 upstream oil & gas rock property plug rd annual logging symposium pswc bullet permeability rind thickness drilling operation average rind thickness spwla 63 cataclastic zone...

... pioneer work, the Archie model, in 1942 (Archie, 1942), which requires a prior knowledge of rock textural and fluid tortuosity parameters; cementation exponent m and saturation exponent n as following: = S (1) Where is the formation true resistivity, is the formation brine resistivity, is porosity...

... Abstract Archie developed his model based upon trends observed in formation resistivity factor - porosity and resistivity index-water saturation plots. The trends appear when the data is plotted on log-log graph paper. The trends are apparently straight lines on log-log paper, which means...

... 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...

... Abstract The energy industry, including the new focus on geothermal and carbon sequestration processes, deals with porous and permeable formations. Under the influence of effective stress, these formations undergo elastic and inelastic deformation, fracturing, and failure, including porosity...

... laboratory analysis fluid dynamics water saturation petrophysical property carbonate spwla 63 rd annual logging symposium decomposition permeability total porosity porosity interpretation spwla-2022-0019 drilling fluids and materials drilling fluid formulation vug base function fraction...

... cement leads to a significant overestimation of porosity and permeability during petrophysical interpretation. However, halite cement does not have a unique signature on electric logs and is often not represented in core samples. Current best logging practices are inadequate for the quantification...

... drilling fluid chemistry drilling fluid selection and formulation machine learning well logging formation damage drilling fluids and materials fluid loss control simulation porosity water saturation spwla 63 drilling fluid property upstream oil & gas borehole log analysis...

... pressure from pore-throat-size distribution. Finally, we use effective pore-body-size, constriction factor, electrical tortuosity, and connected porosity to calculate permeability on a depth-by-depth basis. We successfully applied the new method to pre-salt carbonates of Barra Velha Formation, Santos's...

... Microscope) observations. Dispersed clay and shale laminae porosity were estimated using SEM imaging. The dispersed clays were observed to have substantially higher porosity than the laminar clays. For this reason, clay laminae, and pore-filling dispersed clays are allowed to have differing properties...

... upstream oil & gas formation factor fluid dynamics clean sand flow in porous media hydraulic tortuosity spwla 63 tortuosity electrical tortuosity carbonate rd annual logging symposium spwla-2022-0037 shaly sand permeability reservoir characterization relation porosity shape...

... log analysis drillstem testing well logging drilling operation fluid dynamics rudist facies reservoir characterization flow in porous media upstream oil & gas facies porosity spwla 63 saturation development oman hydrocarbon saturation interpretation enhanced recovery...

... information about oil and gas wells. Deriving porosity of drill cuttings via NMR T 2 -pore size distribution can be significantly influenced by surface fluid on the cuttings, acquired either during saturation of the cuttings in the lab or from cutting fluid at the well site, which can easily...

... enhanced recovery complex reservoir organic matter log analysis upstream oil & gas annual logging symposium core analysis shale gas spwla-2022-0063 porosity particle size correction msec fracture sample preparation experiment logging symposium imbibition experiment well...

... saturation ( S W 1 , i.e., Method 6 in Table 1 ) can be used to characterize the effectiveness of core cleaning, including • volumetric cleaning for porosity measurements, and • surface cleaning for wettability characterizations. Thorough surface cleaning implies that volumetric cleaning is also...

... measurements for both vertical and horizontal wells. Many different rock properties can be extracted from drill cuttings; however, quantitative petrophysical measurements from source rock drill cuttings remain a challenge. This paper presents an optimized NMR-based workflow to measure the porosities...

... well logging annual logging symposium neutron reservoir characterization detector inelastic gamma ray fast neutron upstream oil & gas sensitivity porosity thermal neutron log analysis rit 21 pulsed neutron system field distribution cross section evaluation gas saturation...

... Abstract Unconventional shale reservoirs have complex lithology, porosity and fluid systems where hydrocarbons are stored in both inter- and intra-particle pores. Hence, conventional log measurements and petrophysical techniques often fail to provide a consistent analysis for key petrophysical...