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GEO 2012
- Conference date: 04 Mar 2012 - 07 Mar 2012
- Location: Manama, Bahrain
- Published: 04 March 2012
1 - 50 of 345 results
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GORE® Surveys for Exploration “Amplified Geochemical ImagingSM” Services — A Direct HydrocarbonIndicator Method & Results of a Demonstration of Capabilities in Abu Dhabi
Authors Mark J. Wrigley, Mahfoud Al Jenaibi, Pierre van Laer and Holger StolpmannDown hole geophysics, and 2D and 3D seismic imaging, are some of the tools most often used by petroleum explorationists to find and exploit our hydrocarbon resources. Unfortunately, no single technology or tool has the current capability to answer all of the questions posed by exploration professional; each tool offers its own unique view into the subsurface and, when used together in a complementary fashion, help build a more complete picture of the petroleum system and/or the reservoir.
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Petrophysical Properties Evaluation of Heterogeneous Gas Shaly Sands with NMR Logging Data
Authors Gharib Hamada and Osama ElmahdyPetrophysical properties evaluation of heterogeneous gas shaly sands reservoirs is one of the most difficult problems. These reservoirs usually produce from multiple layers with different permeability and complex formation, which is often enhanced by natural fracturing.
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Permeability Evaluation of Zubair Formation Using Well Logs
More LessThis study is focused on the evaluation of formation permeability for a sandstone reservoir in three southern Iraqi oil fields which are Zubair, North and South Rumaila at Zubair formation.
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Enhanced Ranking of Sedimentary Basins for Resilient CO2 Sequestration
More LessCurrent concern revolves around the adoption of appropriate criteria to adequately characterize basins for safe and longterm sequestration of CO2. Six sedimentary basins from around the world were chosen for this study.
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A Multidisciplinary Approach to Recognize and Predict the Role of Fractures in Maximizing Economic Recovery from Basement Reservoirs by Integrating Different Disciplines, Zeit Bay Field - Gulf Of Suez, Egypt, Egypt
Authors Saber M.Selim, Wegdan A.Saleh, Taha A. Abd El-Rahman and Mohamed S.HateelFractured Reservoirs provide over 20% of the world reserves and production. However, few of these reservoirs are optimally developed. It is undeniable that the reservoir characterization modeling and simulation of naturally fractured reservoirs present unique challenges that differentiate them from conventional reservoirs which also mean that they require unique solutions and strategies for optimum production.
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Proppant Free Fracturing Technique for Production Optimization in Tight Gas Reservoirs — An Overview
More LessTight gas refers to natural gas reservoirs locked in extraordinarily impermeable, hard rock, making the underground formation extremely "tight. “and its permeability below or equal to 0.01md.It is a promising resource because of its inherent association with conventional hydrocarbon systems.
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Reservoir Characterization Modeling, A Multidisciplinary Approach, Zeit Bay Field Case Study, Gulf Of Suez, Egypt
Authors Saber M Selim, Khaled M. Abd Allah and Wegdan A. SalehReservoir Characterization plays an important role in Reservoir Management. Good understanding of how, why and where the reservoir produces, optimizing production can be determined. Understanding the reservoir means dissecting the data and studying the relation between all its components.
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Structural Assessment and 3-D Geological Modeling as a Good Approach to Reservoir Management Scheme, Ras Burdran Field — Gulf of Suez, Egypt
Authors Saber M. Selim, Mohamed Zakaria Abd El-Rahman and Ahmed Abd El-Hadi3D geological modeling has become one of the most reliable and effective means of displaying geological structures of any oil or gas field. Building a coherent 3D geological model of a complex heavy oil field, with long years of production is a tremendous task that requires a multi-disciplinary approach and the effective management of a large amount of data (i.e., outcrops, cores, logs, 3D seismic, well tests and production data).
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Facies Development and Depositional Model, a Multidisciplinary Approach to Maximize Economic Recovery from Carbonate Reservoir, Ras Fanar Field, Gulf Of Suez, Egypt
More LessFacies development and Depositional system reorganization play an important role in defining the details distribution of reservoir rocks and fluids content with the ultimate goal of a reservoir management scheme.
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Managing Young Geoscientists in Oil Industry: A Gen-Next Perspective
More LessManaging young and restless geoscientists can be one of the most challenging jobs for an oil industry human resources (HR) department. The recent downturn in the economy has added to these woes. This study provides a methodology to address the concerns of geoscientists in the upstream oil industry.
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Addressing the Geological Challenges in Tight Gas Sandstones with Advanced Borehole Imaging Solutions, Sultanate of Oman
More LessIn tight gas sandstones, detailed geological understanding of the reservoirs is imperative in preparing optimal exploration, appraisal and development plans. The distribution of sand bodies, their textures, orientation and paleocurrent directions need to be understood in the context of sedimentary depositional environments to assist in the prediction and identification of reservoir architecture, reservoir quality variability and sweet spots.
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Refining the Facies Model to Address Reservoir Heterogeneity: Application of New Borehole Imager in Sandstone Reservoirs of Oman
Authors Chandramani Shrivastava, Abdullah Al Alawi and Joachim BildsteinThe geological complexities of the clastic reservoirs in Northern Oman pose difficult challenges in understanding the distribution of reservoir facies for proper delineation of the gas bearing formations. The latest borehole imager helped a great deal in overcoming the limitation of traditional imaging in high salinity mud and detailed sedimentological interpretation could be performed to understand the architecture of the reservoir.
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Holistic Uncertainty Analysis for the Evaluation of Hydrocarbon Pore Volume from Petrophysical Data
More LessThe evaluation of the hydrocarbon pore volume (HPVOL) from petrophysical well log analysis is the starting point for calculating hydrocarbon in place (HIP), or in mature fields, the remaining hydrocarbon in place (RHIP). The understanding of these numbers and the associated uncertainty is critical to economic evaluation. HPVOL is normally calculated using a deterministic petrophysical workflow.
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Reconstructing a Source Rock System — Silurian Onlap in Time and Space
By Pieter SpaakWith the rising interest in unconventional oil and gas plays, the need for better understanding and detailed reconstructions of source rock systems becomes even more important than for conventional plays. In this presentation, the base Silurian source rock on the Gondwana margin will be reviewed.
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Integrating CMR, MRF Log and Conventional Logs in Devonian and Ordovician Formations — Illizi Basin, Algeria
Authors Baouche Rafik, Djeddi Mabrouk and Baddari KamelThis study presents an evaluation integrating MRF, CMR logs and conventional logs for the well Take-1, Illizi basin in Algeria. MRF, CMR logs and conventional logs provide formation permeability in different ways though the parameter can be derived in the three kinds of data.
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Depositional Dynamics of Fortuna and Tellien Basin
More LessLitho-biostratigraphical correlation and detailed sedimentological analysis has been used as a tool to discriminate and illustrate the role of tectonics and eustasy in the configuration of the Fortuna and tellian basin of northern Tunisia, using 17 field sections of shallow to nonmarine oligo-miocene deposits distributed along NW-SE trending from Nefza-Kasseb to Tunisian Atlas domains.
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Microseismic Event Spectrum Control and Strain Energy Release in Stressed Rocks
More LessStudying of passive seismicity concerns the physical processes of sound generation by cracks, propagation and recording of elastic waves. One of the main questions remains open - how do radiated elastic waves carry information about physical parameters of their sources (cracks) through a complex geomedium?
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Utilization of LTFS to Solve Complex Issues Related to Data Sharing in Geo and Seismic Data Collection
More LessThe amount of data being collected in the Geo Surveying environment is growing exponentially with the improvement of the surveying equipment. This exponential growth causes complexity in data storage and sharing.
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Exploration IT Technologies Monitoring
Authors Abbas A. Al-Ali and Ahmed F. BarradaMost of the monitoring of the Exploration IT Technologies in the industry are targeting physical components such as computer servers and storage devices. Another more efficient approach of monitoring is to identify the critical business services and tie them to their respective physical systems and infrastructure resources.
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Saudi Aramco Drilling Scheduling & Budgeting Automation Process
Authors Ibrahim Ilyia and Huthaifa EiloutiDue to the high demand for oil production, and in a Company like Saudi Aramco which handles one of the largest drilling operations in the world (hundreds of wells within a year) by a single company, planning the set of wells that need to be drilled undergoes a complex and a dynamic process.
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Hydrogeological Characterization of Maradi Fault Zone in Oman
More LessMaradi Fault Zone (MFZ) is a major structural feature of north and central Oman. With the increase in the petroleum and hydrogeological exploration and production in the PDO concession area especially in the areas with proximitiy to MFZ, concerns were raised regarding the potential of the fault to act as a preferential source of fluid recharge in the aquifers and formations cut by the fault or to act as a seal to fluid flow.
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Super-Virtual Interferometric Stacking: Enhancing the Refracted Energy
Authors Ali A. Aldawood, Abdulrahman Alshuhail and Sherif HanafyBuilding an accurate near-surface velocity model is an essential step for many applications in seismic data processing such as wave-equation redatuming, statics correction, and tomographic inversion. Achieving an accurate model requires precise first-break picking of refracted energy.
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Hydrocarbon Source Rocks Evaluation and Basin Modeling in South East Onshore Nile Delta Basin, Egypt
The South East Onshore Nile Delta basin includes the South East El Mansoura Concession. It has a complicated structural and stratigraphic framework, being affected by the Nile Delta Hinge Zone which separates the area into northern and southern mini basins.
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Imaging a Hydrocarbon Field in SE Albania Using Seismic Interferometry and Passive Seismic Tomography
Authors Sanjay Rana, Nick Martakis, Paris Paraskevopoulos and G-Akis TselentisIn the last decade Passive Seismic Tomography (PST) methodologies have started to be applied in hydrocarbon exploration with an increasing resolution and providing solutions where conventional seismic were either unsuccessful (seismic penetration problems) or un-economical (difficult topography, large areas of exploration, field conditions.
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Imaging Structural Geology with Dip and Directional Dip
Authors Ahmed A. Aqrawi and Trond Hellem BoeWe present an improved method of dip estimation as a seismic attribute, and visualize this in 2 components; dip and directional dip. This method proves to be very efficient in highlighting geologic structures.
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Multi-Measurement Interpretation — A New Methodology for Basin Mapping and Prospect Identification
Authors Frank Jreij, Marianne Rauch-Davies and Craig BeasleyA wide variety of data sources (publicly accessible, available for license, and newly acquired) and measurements (seismic, electro-magnetic, gravity, magnetic, radiometric, hyperspectral, petrophysical, etc.) are being utilized to develop 3-D subsurface Earth models.
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Geological Evaluation and Petroleum Prospectivity of the Jeffara Basin in Southern Tunisia
More LessOutcrop data as well as petrographical studies, tectono-stratigraphic overview and sedimentological investigation were used to construct the depositional environments of Lower Cretaceous series. The rock units, including several third-order sequences were deposited in a variety of inner platform environments with distinct fauna associations in relation with tectonic events and sea level change.
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Unified, Automated and Map-Based E&P Data Management
Authors Sahal S. Waked and Yasser S. Al-GhamdiSaudi Aramco is implementing a new web-based seismic & well data management system to allow end users to easily manage and transfer data stored in distributed vendor and corporate data repositories.
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Price Projection Model for New Explorations and the Lost Control of Majors
Oil price prediction is one of the vital processes in every oil producing and operating company for current running projects and future new explorations, the whole different segments of industries and commodities would be also interested in knowing the future of oil prices, and we shall not ignore the interest that each country by itself shows to know the effect of future prices on their development plans.
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Neogene Biostratigraphy and Sea Level Changes — Case Study from North Kuwait Field
The Neogene clastics (sandstones and shale interventions) in one of the north Kuwait fields range in age from Early Miocene (Burdigalian) to Middle Miocene (Serravalian). An attempt was made to carry out detailed biostratigraphy (foraminifera, nannoplankton, palynomorphs and dinoflagellate cysts) from study of selected core samples in this geological succession and establish the sea level changes and depositional environment leading to sequence stratigraphic interpretations.
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Geophysical Data Acquisition Gateway: Tools for Planning, Tracking, Reporting and Collaboration
The increasing world demand of oil and gas led to raise hydrocarbon exploration in Saudi Aramco. The number of acquisition projects is increasing making it impossible to plan and monitor the progress of these projects manually.
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G&G Business Capability Based Software Design and Architecture
More LessBusiness Capabilities is a modeling techniques used to model the services that a business or enterprise offers or requires. These capabilities are modeled in the Business Conceptual layer and represent what the business does (or needs to do) in order to fulfill its objectives and responsibilities.
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An SOA Approach to G&G Computing Challenges
More LessMost of the oil industry have already made several steps along the road towards enterprise SOA, or at the very least already have a number of Web services deployed. Most of these companies have multiple platforms from multiple vendors, distributed across organization, administrative and trust boundaries.
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Model-Centric 3-D Petrophysical Application Technology
Authors Roger R. Sung and Khalid S. Al-WahabiThe complexity and heterogeneity of reservoirs makes it extremely difficult to characterize and predict recovery. Oil industry geoscientists and engineers have made strides in developing advanced petrophysical algorithms and formation evaluation techniques to understand the fluid flow mechanisms.
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Unconventional Energy Resources: Basin Centered Gas System
More LessWith a view to energy security of the world ,unconventional energy resources - Basin Centered Gas ,coalbed methane (CBM) , Methane GasHydrate,shale gas, tight gas,oil shale and heavy oil- exploration and exploitation is pertinent task before geoscientist.
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3-D Edge Preserving Smoothing Using the Redundant Wavelet Transform
Authors Saleh Al-Dossary and Gino AnanosSeveral geometric seismic attributes enhance our ability to detect discontinuous features in seismic data such as faults, fractures and channels.
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Multi-Directional and Multi-Scale Fault Detection Using the Random Wavelet Transform
Authors Saleh Al-Dossary and Khalid M. Al-GarniWe introduce a new and effective method of detecting discontinuities or “edges” such as faults in seismic data. This new algorithm detects faults based on both the directional derivatives and on the redundant wavelet transforms (RWT).
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Monte-Carlo Statics: A Stochastic Approach on Wide-Azimuth Middle-East Data
Authors Guillaume Poulain and Le MeurEstimation of surface-consistent residual statics on large wide-azimuth Middle-East data using a Monte-Carlo approach is a challenge. This non-linear method that uses Simulated Annealing to compute large magnitude statics is characterized by its efficiency. However, by using advanced methods like high performance computing, the computation cost of this algorithm can be drastically reduced.
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Application of True-Azimuth 3-D SRME to Onshore Data — A Case Study
More LessThe processing strategy for the 3D prediction and subsequent elimination of long period surface-related multiple energy (SRME) on a 3D non-orthogonal land seismic data is presented. It is demonstrated that the new development of 4D Fourier regularization is critical in the pre-conditioning prior to the application of 3D SRME.
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How Early Diagenesis Restrain / Enhance Fractures Development in Carbonates NFR? An Analogue Case Studies in Provence (France) and Maiella Mountain (Italy)
Nearly 85 % of carbonates reservoirs are naturally fractured and over 30 % of world’s hydrocarbons reserves are located in NFR (Naturally Fractured Reservoirs) in which fracture networks controls fluid flow and/or accumulation. Implicitly, we have to consider that a reservoir is fractured until proven otherwise.
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Future-Seismic. How Tomorrow’s Geophysicists Can Be Restricted by Today’s Hardware
Authors Robert G. Heath and John GilesThe field of geophysics has never been more dynamic. New ideas are emerging more regularly than ever before in such areas as simultaneous source acquisition, ultra-large channel counts and passive/permanent monitoring.
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Petrophysical Evaluation of Low Resistivity Pay Zones in Clastic and Carbonate Reservoirs
Authors Yousef M. Al-Shobaili and Murat ZeybekA petrophysical integration methodology has been developed to evaluate low resistivity pay zones in both thin carbonates and laminated sand-shale sequences. This technique utilizes information from porosity and resistivity logs with additional data from formation pressure and downhole fluid sampling analysis.
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Improving Lithology Characterization in a Multi-Mineral Environment
Authors Izu Ariwodo and Pablo SaldungarayReservoir productivity is often influenced by the various lithologies present in the drilled wells. This is because lithology plays a major part in determining the rocks physical and chemical properties such as permeability, porosity, capillarity, rock strength, reactivity, precipitation, etc. A good knowledge of the reservoir rock lithology is vital in defining an efficient, effective and economic development strategy for the reservoir.
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Microbial Dolomite of the Coastal Sabkha of Abu Dhabi as a Modern Analogue of the Triassic Dolomite Reservoirs of the Northern Parts of the Arabian Plate
More LessMicrobial dolomites have been fully documented in lagoonal and sabkha sediments from different parts of the world. Detailed textural characterization, using SEM coupled with Energy Dispersive X-ray (EDX), of three deep cores (down to six meters) and fifty surface samples from the intertidal and supratidal zones of the coastal sabkha of Abu Dhabi indicate that dolomite constitutes up to 50% of the bulk sediments.
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Petrophysical Modeling for Evaluating Moldic Porosity in Carbonate Reservoirs
Authors Marvin Rourke, Wael Soleiman, Jerome Truax and John QuireinPredicting reservoir quality and productivity from petrophysical log measurements in carbonates is a well known challenge. Heterogeneous carbonate pore systems often defy petrophysical correlations such as porosity-perm which are routinely used in silici-clastic environments.
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Theory and Approach for Mapping Hydrodynamic Traps and a Middle East Example
Authors Yunlai Yang and Khalid A. MahmoudProvided hydraulic heads in the ground water surrounding a hydrocarbon accumulation are the same, the only force acting on the hydrocarbon body is buoyancy, which is vertical. This force results in the horizontal contact between oil and water. If hydraulic heads are different, the hydrocarbon body is also subjected to a lateral hydraulic force.
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Reservoir Sweet Spots in the Arabian Petroleum Basin; Types and Controls
More LessReservoir sweet spots are areas with better permeability relative to their surroundings. They represent a major challenge in exploration and development. This abstract describes the types of reservoir sweet spots in the Arabian basin and the most common factors controlling their development. Three types of reservoir sweet spots are identified in the Arabian basin; tectonic, sedimentologic and diagenetic.
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Complex Successions of Rock Categories in Clastic Reservoirs: Extreme Geological Heterogeneity
More LessModeling complex spatial patterns of rock-bodies in the subsurface is critical to achieve realistic evaluations of hydrocarbon production scenarios in flow simulation models. Three or more spatial locations of the same rock type might belong to a single curvilinear rock-body in the subsurface (e.g., meandering or braided channels with highly permeable sandstones).
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Meeting Exploration Challenges with High Performance Computing Applications
More LessSuccessful and safe hydrocarbon drilling operations require creation of a detailed and accurate estimate of the earth’s physical properties before the well location is planned. Creating such a reservoir model typically involves the interpretation of seismic data to predict macro- and micro-scale rock properties and to guide the interpolation of reservoir properties between existing well locations.
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Reservoir Rock Characteristics of Biyadh Formation in the East Shabowah Oilfields, Western Central Masila Basin, Yemen
Authors Mohammed H. Hakimi, Mohamed R. Shalaby and Wan H. AbdullahBiyadh Formation, the late Early Cretaceous in age, is a clastic rock containing substantial amounts of proven oil and located in the western central Masila Basin. The lithofacies of this formation reflects braided river channels, shoreface and shallow-marine settings.
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