...Calibrated Log Model The reservoir characterization of the area of study was derived from wireline logs with the aid of a calibrated petrophysical model. Primary reservoir metrics included effective porosity, permeability to gas, reservoir flow capacity, hydrocarbon pore volume, pore pressure...

... al., 2011 ). This reservoir consists of multiple low-permeability sandstone layers interbedded with marine shales. A good understanding of the fracture propagation in such a reservoir has a major effect on completion and fracturing design. The MEM derived from sonic logs and calibrated with core data...

..., namely porosity & water saturation. These two properties are then used to calibrate porosity and water saturation in the 3D reservoir model. Since the parameters that guide interwell population of porosity (such as log upscaling parameters, variogram parameters, facies biasing, etc.) and water...

... of hydrocarbons, and the drilling campaign represents an exploratory success rate of over 70%. reservoir characterization structural geology geologic modeling log analysis geological modeling well logging quality control machine learning artificial intelligence calibration covariance matrix...

... and D5000X target reservoirs to determine their present fluid contacts (POWC and PGOC) for optimal placement of proposed Re-completion opportunities. Additionally, the log will aid understanding of the reservoir fluid distribution which is essential for the calibration of reservoir MBAL and 3D dynamic model...

... was compared between static model, log, and initialization results at well section level. A consistency checked was also performed to compare the initial pressure from wireline formation tester and model in all reservoirs. Dynamic Modeling Calibration Dynamic model history matching was performed using...

..., reservoir response and wellbore flow conditions. The integration of fracture response with production logging results enabled validation of the reservoir response and provided valuable insights into understanding the flow behavior inside the well and optimizing well productivity. Mechanical Earth Model...

... where the overpressure is complicated by relative complex geology, low permeability and the presence of TOC in the reservoir rocks, pressure variations can be difficult to measure, making calibration difficult. Pore pressure is a critical input to a geomechanical model and can impact the mechanical...

... reproduce the reservoir voidage. The figure 2 shows a cross plot of the k*h values from the well test as compared to the model. Time Lapse Saturation The other form of dynamic data used extensively in the project is the use of the saturation logs to understand and model the movement of the fluid...

... of the field, in horizontal wells where minimal to no core data is available and objective is to monitor water saturation. SPWLA 61st Annual Logging Symposium, June 24 to July 29, 2020 1 UNRAVELLING THE UNDERSTANDING OF A COMPLEX CARBONATE RESERVOIR WITH THE USE OF ADVANCED LOGS INTEGRATION Harish B. Datir1...

..., to optimize the waterflood program, the level of detailed understanding of reservoir architecture has always been a challenge in complex structural regime field. This study presents innovative methods of integrating the seismically derived geo-cellular model into the dynamic model of closing the loop...

... logged. These pore pressure prediction methods were calibrated to DFIT measurements were the data was available. Next, the calculated 1D pore pressure logs were imported into a fine grid 3D stratigraphic model and geostatistically interpolated throughout the model. Then after rigorous quality control...

... providing extra data with which to further calibrate the geomechanical understanding of the field. In order to calibrate geomechanical models all available drilling experience, pressure and stress data, LWD, MWD and wireline logs, survey, formation tops and rock mechanics tests, are collated...

... margins. The eight facies grade from chalk/limestone to marl to clayey mudstones. In the modeling effort, the defined core facies were tied to well log signatures which were then used as predictive tools for facies in wells with no core data. There are two key reservoirs in the system being modeled...

... in understanding the integration of conventional logging (using up-scaled measurements), modeling software (assumptions, gridding, numerical/P3D) and fine scale measurements (core measurements). Laminated reservoirs pose many challenges in the decision making process especially when a model centric, data driven...

... Reservoirs. , Paper IPTC-11716-PP presented at the International Petroleum Technology Conference held in Dubai, U.A.E. , 4-6 December 2007 Post Model Fracture Calibration Ability to predict the fracture density trends was established through image logs and/or cores taken in the two vertical...

... were used as a reference in constraining the pore pressure models. Once the offset wells’ pore pressure models have been established, the depth-stretched petrophysical logs and the calibrated seismic velocity along the proposed well trajectory were used for the prediction of overpressure...

... helps to obtain a better match of PLT profile in the simulator, but also gives more confidence on the matrix acidizing job design itself. The model calibration using production logging is generally required by oil and gas operators to better understand the permeability and skin heterogeneity, and also...

... the dynamic (4D) Mechanical Earth Model is built and calibrated, this model can be applied to address field development issues. In this section, we show application of the geomechanical model to understanding the risks of drilling into a pressure depleted reservoir, and investigate the feasibility...

... Abstract This paper describes the reservoir characterization of a carbonate formation using acoustic and borehole imaging log in a novel way. Interpretation of the interplay between stratigraphic and structural reservoir elements allows additional understanding of the hydrocarbon trapping...