... mobility reduced, leading to its retention in the coal sample and resulting in a higher residual water saturation. These changes were reflected in a rightward shift in coal relative permeability curves. Additionally, the relative permeability of both water and gas increased with the increasing confining...

... results shown in figure 8 and 9 , a significant impact of the bedding fractures on the Gulong shale oil reservoir productivity is observed. In the comparison of the water saturations at the three stages in bedding fractures and shale matrix, most of the early injected water exist in the bedding...

... petrophysical evaluation and identify potential zones while being in time-constrained and limited resource situations. artificial intelligence correlation machine learning interpretation result upstream oil & gas water saturation accuracy training well prediction result workflow potential...

... in the reservoir for both sandstone and carbonate reservoirs. The proposed model evaluates the relative permeability as a function of porosity, rock absolute permeability, initial water saturation, residual oil saturation, wettability index and water saturation. Accordingly, relative permeability to water and oil...

... plays in China. machine learning artificial intelligence well logging upstream oil & gas water saturation reservoir characterization shale gas oil production log analysis complex reservoir new generation nmr petrochina xinjiang oilfield company interpretation application...

...) independent components whereas each of them is normalized to produce indexes that represent reservoir-permeability thickness, movable oil and reservoir pressure from a historically-matched dynamic model. The method utilizes the historically-matched simulation model in which the water saturation from...

... measurements are used to build an understanding of areal pressure and water saturation distribution and to further identify localized pressure sinks and watered-out areas. The understanding gained upon reviewing the well-based surveillance data is used to identify candidates for artificial lift application...

... complex reservoir well logging initial brine saturation brine imbibition oil saturation carbonate reservoir front development brine saturation saturation initial water saturation wettability society of petroleum engineers oil flood Upstream Oil & Gas Pore System spontaneous brine...

... Qualitative interpretation, (2) True-Wet Resistivity separation, and (3) Gas-Oil Volumes from simultaneous solution. The new developed techniques are (4) Swirr-SWT comparison, (5) Water Saturation Array Gradient with salinity, (6) AutoFluid resistivity specific cut-off, (7) Dual logs sliding average analysis...

... injection enhanced recovery neural network water saturation predictive model spe annual technical conference reservoir simulation machine learning SAGD huff chemical flooding methods cumulative oil production co2 injection co 2 Patton simulation reservoir performance estimation permeability...

... Upstream Oil & Gas reservoir simulation cleat porosity production data cross-formational flow permeability absolute permeability fcf well 1 salmachi relative permeability curve shape reservoir pressure Clarkson relative permeability curve Fluid Dynamics water saturation permeability...

... et al., 2013 ). Free gas is one of the important part for estimating gas content. Importantly, water saturation is an essential parameter, considered to be the most promising approach with the aim to estimate the free gas-bearing saturation. For the traditional sand formation, the Archie's equation...

... pressure (P b1 or P b2 ) between the non-wetting phase (eg: oil or gas) and wetting phase (eg: water). Abstract The proposed method in this paper estimates FWL based on the relationship derived between resistivity, capillary pressure, water saturation and permeability. Since porous plate experiment...

... in a reservoir having active aquifer drive considering challenges encountered due to uncertainty in permeability, water saturation, permeability distribution and saturation tables distribution. In the absence of dynamic reservoir analysis, offset well data analysis assisted in filling the data gaps by enabling...

... the reservoir effectiveness and productivity. log analysis oil field fracture network jz oil field cutoff water saturation correction well logging Simulation porosity NMR porosity tietjen society of petroleum engineers Bohai Bay reservoir fracture permeability Upstream Oil & Gas...

... Abstract Objectives of obtaining in-situ values of water saturation, formation water salinity, true formation resistivity (R t ) and SCAL data by core analysis can only be achieved if extraneous fluid invasion is kept at a controlled level and corrected for it or be prevented. The impossibility...

... is limited aquifer. The water cut of production in 34-X sand well varies across the axis of the sandstone body, it caused by controlled by internal heteroginity. Reservoir Characterization reserves evaluation water saturation Upstream Oil & Gas bubble point pressure resource in place estimate...

..., and properties and depositional environment (marine or continental). complex reservoir mechanism Reservoir Characterization imbibition Upstream Oil & Gas porosity water imbibition structural geology water saturation shale formation spontaneous imbibition water adsorption shale sample...

... P c , g o 2 = c S o ∗ (4) S w ∗ = S w − S w r 1 − S w r where In many cases, Equation 2 performs better when water saturation, S w is replaced by the effective or normalised water saturation, S w * : (3) J...

... Abstract This study addresses the problem of fluid characterization in siliciclastic reservoirs where the resistivity contrast between pay and wet sands is low. Our study field contains connate water of extremely high salinity. The pay sands generally have high irreducible water saturation...