... erroneous results. Many scholars and researchers have attempted to come up with models linking well logs and laboratory data to estimate water saturation in complex pore systems. To appropriately capture the conduction behavior of a rock is aimed at and the conduction mechanism is then related to not only...

... frequency log analysis total porosity static magnetic field well logging Niger Delta magnetic field Upstream Oil & Gas decay tool design magnetic resonance tool hydrogen nucleus porosity polarization nucleus penetration amplitude correction polarization correction...

... failures and high noise-to-signal situations, there is a fix to such problems when they arise. Rather than re-log, the data can be savaged and the desired result achieved. log analysis Fluid Dynamics high-diffusivity correction high noise-to-signal ratio relaxation time well logging diffusivity...

... hydraulic fracturing asset life cycle shale gas lateral log analysis complex reservoir natural fracture well logging recovery ultimate recovery placement reservoir mineralogy Field Development Plan life cycle reservoir model Upstream Oil & Gas refrac fracture design...

... water saturation sandstone Upstream Oil & Gas mechanism experiment well logging flow rate diesel OBMF NMR measurement contact angle crude oil flooding experiment sample ls-1 surfactant capillary pressure filtrate wettability alteration invasion OBM invasion wettability...

... and/or geological data. Presented at the SPWLA 52nd Annual Logging Symposium , Colorado Springs, Colorado , 14-18 May. SPWLA-2011-EE. Jin , G. , Manakovv , A. V. , Chen , J. and Zhang , J. , 2012 . Capillary pressure prediction from rock models reconstructed using well log data. Presented...

... highlighted other factors affecting C/O measurement such as wellbore fluid reinvasion and cement condition. Last, we present recommendations and best practices to conduct a more representative reservoir saturation monitoring. Upstream Oil & Gas reservoir saturation monitoring application well...

... Abstract The design of an optimal and effective hydraulic fracture treatment requires lots of input data, spanning the spectrum from rock properties, fluid properties, well-logs, Geomechanics to economics. However, operators tend to cut costs by reducing expenditure on data acquisition...

... dielectric dispersion data dielectric measurement stearic acid water phase tortuosity Upstream Oil & Gas usbm wettability index wettability index wettability state well logging wettability condition water saturation permittivity bimodal textural model wettability Introduction...

... while gathering required well logging data. The paper presents technical and logistic challenges during rig-less logging operations on wells with a Y-tool and a by-pass leg with complicated downhole configuration including small restriction and dual pump layouts. Examples of both impaired...

... in other regions cross the world. log analysis LWD drilling measurement logging while drilling drilling data acquisition cement and bond evaluation well logging casing and cementing Upstream Oil & Gas BHA scraper density 1 amplitude cement evaluation result transmitter lwd sonic...

.... Several models for complicated porosity systems have been proposed, to determine the water saturation based on the well logs and laboratory experimental data. A mathematical model (such as Archie's equation) which appropriately describes the conduction of a specific rock depends on the conduction...

... and data gathered from several passes across the Frac sleeves. Using the logging data, we will measure the effectiveness and integrity of the Frac Sleeve for the purpose of injection/production assessment. well logging log analysis Upstream Oil & Gas Effectiveness frac sleeve enhanced...

... of supporting interpreters to bolster their interpretations thanks to data coming from separate independent sources. Reservoir Characterization well logging mud logging / surface measurements log analysis heavy oil type drilling measurement Upstream Oil & Gas fluid fingerprint precipitation...

... method or in complement with other available methods. log analysis well logging reservoir geomechanics compressibility Compaction Disequilibrium basin carbonate reservoir pore pressure porosity formation pore pressure equation Upstream Oil & Gas mechanism western desert pore...

... Abstract Data collected over 12 years indicated an average of 19 radiation incidents per year, related to stuck radioactive sources in well logging. On average 61 % of these stuck radioactive sources have been retrieved, and the remainder sealed in as per protocol. The goal of this Lean Six...

... Inference System (ANFIS) are used to estimate water saturation using conventional wireline log data as input parameters and the output is core dean-stark data. The data comprised of more than 2000 well log points which were reduced to around 150 corresponding to available core data. All the developed models...

... for fracturing operations. well logging organic matter porosity Reservoir Characterization Upstream Oil & Gas source rock reservoir complex reservoir water saturation fracture evaluation petrophysical output permeability workflow petrophysics organic carbon society of petroleum engineers...

... criteria reservoir geomechanics society of petroleum engineers log analysis well logging reservoir geomechanics horizontal stress vertical stress principal stress Introduction The Zubair Formation is the most prolific reservoir in Iraq, which is comprised mainly of alternating shale...

... of petroleum engineers well logging petrophysical evaluation dolomite electromagnetic wave resistivity case study log analysis orientation knowledge petrophysical interpretation Reservoir Characterization open fracture sandstone Oman principal stress orientation fracture Introduction...