An expert in reservoir characterization reservoir characterization is a crucial step in the upstream industry because it helps oil and gas companies get the most out of crude oil reserve. Facies and reservoir characterization of cretaceouseocene. The characterization of a petroleum reservoir is based on geological and petrophysical description of it, i. Geological software geoscience and reservoir modeling software. The presence of hydrocarbon typically lowers the seismic velocity and density of unconsolidated to moderately consolidated sandstone and this in turn create different acoustic impedance product of density and seismic velocity. The american association of petroleum geologists is an international organization with over 38,000 members in 100plus countries. The process of iteration of data types, including analog data that was collected expressly to solve subsurface issues, will be offered to validate subsurface interpretations.
Processoriented customizable modeling templates for turbidite channels and depositional lobes. Malay, sarawak its three subbasinscentral luconia, balingian and baram, and sabah. Reservoir models simulate behavior of fluids within a reservoir under different conditions to help asset teams develop optimal production techniques. Using an overlay technique or log analysis software, identify all productive zones and rock. This study aims at building a 3d geological model of the turbidite reservoir of the. Geostatistics is used by the petroleum industry for reservoir characterization. Aapg bulletin much of the production in malaysia is from middle to upper miocene sandstones and carbonates in three main basins. Abstract this paper proposes a new reservoir characterization scheme that integrates geological facies from borehole resistivity image logs, mud logs, and nuclearmagneticresonance nmr logs for reservoir quality assessment. Quantitative characterization of sandstone amalgamation. This process has become of utmost importance since the era of easy oil has ended. Compartmentalized reservoirs facies analysis flow units gis mapping reservoir characterization sequence stratigraphy software and internet databases 512. Our software is tuned for performance in even the most computeintensive steps of the inversion workflow. An exploration project begins with a reservoir characterization a model that shows the different characteristics of a reservoir vital to the production and storage of hydrocarbons. Hohn, editor west virginia geological and economic survey publication b45 this is a summary.
Done right, the step helps companies get the most out of an exploration project. Geological setting of the study area the study area is located in an oil field in the niger delta, in a lease with a sea bed topography that ranges from 14001800 m. Geostatistics for optimizing reservoir characterization geovariances. Software packages for mapping, wireline logging, digitized logs, reservoir management, and other essential analysis. A good characterization of reservoir heterogeneities is a fundamental requirement for a. Often we are encountered with thin lamination of sand and shale in addition to thick clean. In such context, dionisosflow allows mapping and delineating turbidite fan, giving the. To provide a deep understanding supported by numerous case studies in different reservoir contexts clastic and carbonates of integrated reservoir.
The reservoir characterization will require the development and assessment of a geostatistical model of the field that will be used for a history match and to propose future development. Ahmed abuelfotoh senior geologist schlumberger linkedin. Geologic and engineering characterization of turbidite reservoirs. Reservoir modeling and characterization linkedin slideshare. Reservoir studio is a geological modeling software for reservoir characterization workflow, reservoir heterogeneity, turbitie reservoirs. Increase your proven reserves, discover bypassed pay, reduce development time and costs, improve production rates, and rejuvenate old fields through the skills learned in this course. Pdf 3d seismic geomorphological analysis of submarine. To provide the skills and expertise to set up a reservoir characterization study taking into account all the various aspects which control subsurface opportunities and uncertainties. The extensive use of 3d seismic as a reservoir characterization tool has optimized well location and allowed the reduction of geological risks. A stacked turbidite channel was interpreted from 3d seismic data acquired in the. The key step of the eei method is to use a datadriven approach to determine the best projection.
Oct 11, 2014 reservoir modeling and characterization sigve hamilton aspelund 2. The purposes of this association are to advance the science of geology. It contains a well log study, rock physics modeling, a forward simulation for generating seismic responses, and objectbased prior modeling. Enhanced reservoir characterization in a deep water turbidite system using borehole images and spectroscopy logs. The ifp group has pioneered the development of inversion software and characterization methods since the mid80s, as. Abstract it is commonly accepted that deep marine reservoirs are dominated by submarine channels and channelized lobes. First, a largescale reservoir framework of multiple sequence and subsequence surfaces is constructed based on the integration of data sources of geologic well markers, petrophysics, and seismic horizons. Main challenges and uncertainties for oil production from. Enhanced reservoir characterization in a deep water turbidite. Interwell seismic inversion and reservoir characterization. Specialize in multivariate statistics by integrating 3d seismic attributes, rock. Created the equationofstate reservoir fluid characterization adopted by the operating companies for the prudhoe bay miscible gas project.
Reservoir characterization training course petroskills rc. Deepwater gulf of mexico turbidites compaction effects on. Irt associates international reservoir technologies, inc. Sedimentary deposits formed by turbidity currents in deep water at the base of the continental slope and on the abyssal plain.
Turbidite lobes are generally characterized by interbedded sandstones and. Petroleum geology and reservoir characterization of the. Our reprocessing workflow included a modern 2d isotropic prestack time migration pstm and enhanced demultiple technique. Pdf 3d seismic geomorphological analysis of submarinefan. Interwell is a seismic inversion and characterization software for reservoir and exploration geophysicists, available in linux and windows environments. Geovariances geostatistics expertise ensures model quality and reliability. This approach is moreover wellsuited for petroleum reservoir characterization because it only needs specification of geometrical parameters such as dimension and sinuosity that can be inferred from the channel parts seen on seismic horizons or analogues.
Seismicallydriven characterization of deepwater turbidite systems. Here we have seismic impedance sections, both in time and depth, for some of the reservoirs from the barracuda field. Since at times the signal separating a good from a poor quality reservoir can be subtle, a. Characterisation of dynamic flow patterns in turbidite. It handles a large range of seismic data in dedicated workflows from data conditioning to quantitative property estimation. After accurate characterization, faciesfacies association models are then. Facies architecture and reservoir characterization of a submarine fan channel complex, jackfork formation, arkansas, submarine fans and turbidite systemssequence stratigraphy, reservoir architecture and production characteristics gulf of mexico and international, paul weimer, arnold h. Amoco drilled the marlin discovery well in may 1993 on viosca knoll block 915. The paradigm reservoir characterization product portfolio has been specially designed to provide reservoir geoscientists with a full range of characterization, modeling and risk assessment solutions, to locate new prospects, identify drilling targets, optimize completions, and accelerate development. Quantitative characterization of sandstone amalgamation and its impact on reservoir connectivity zhang leifu1, wang hongliang2, li yinglie3, pan mao1, 1. The project will conclude with a formal presentation to experts from both academia and industry.
An integrated petrophysical study for deep water turbidite. Complementary structural analysis of channelized turbidites. May, 2015 reservoir characterization integrates all available data to define geometry, distribution and flow properties of a petroleum reservoir slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Dionisosflow is available as a commercial software solution. Ifpen develops innovative solutions and software for reservoir modeling, including matrixfracture characterization and modeling, as well as reservoir simulation. It is especially relevant for lithologyfluid prediction. An integrated multidisciplinary geostatistical reservoir characterization is conducted in two main steps. In the context of reservoir characterization, it has been demonstrated that the eei at optimized. Enhanced reservoir characterization in a deep water. Integrated geostatistical reservoir characterization of. Submarine channels can be broadly classified as gravityflow channels and leveed channel complexes. Compaction causes particular concern because most prospective deepwater reservoirs are highly geopressured and many have limited aquifer support. The objective of the solutions proposed by ifpen is to improve the characterization of complex oil and gas fields.
Science american association of petroleum geologists. Ct slices of 2000 by 2000 pixels were generated using xradias proprietary software. Basic elements of a reservoir characterization study. Most of the oil fields in the world can benefit from some degree of reservoir characterization. The high energy associated with turbidite deposition can result in destruction of earlier deposited layers by subsequent. Factors controlling reservoir properties and hydrocarbon accumulation of lacustrine deepwater turbidites in the huimin depression, bohai bay basin, east china. This course provides a unique opportunity to examine modern, ancient, and subsurface examples of data from turbidite reservoirs.
Deepwater turbidite lobe reservoirs have massive hydrocarbon potential and. Reservoir characterization with borehole geophysics this course is building the bridge between well logging, formation evaluation and geophysical reservoir characterization. Reservoir characterization schlumberger oilfield glossary. Seismic reservoir characterization plays an essential role in integrated exploration and reservoir studies, as it provides our clients with an optimal understanding of the reservoirs internal architecture and properties. Geological reservoir characterization school, schlumberger. Lacustrine deepwater turbidite plays are a novel area for exploration in the huimin depression, bohai bay basin. Geosoftwares comprehensive portfolio covers the entire seismic reservoir characterization workflow. Special publication of the european association of petroleum geoscientists, vol 3.
Basin, in order to better understand and characterize reservoir heterogeneities. This type of model, created as a result of reservoir characterization,is important in four ways. Practical reservoir characterization for the independent operator. This presentation discusses the petrophysical characterization of the marlin discovery, a high quality gas and oil reservoir in the deepwater northern gulf of mexico.
Deepwater turbidite lobe reservoirs have massive hydrocarbon potential and represent one of. Commercially available software is used in the construction, simulation and analysis of the reservoir models. Geologic and engineering characterization of turbidite reservoirs, ford geraldine unit, bell canyon formation, west texas. Example of the eocene morillo turbidite system southcentral pyrenees, spain. During analysis, hydrocarbon saturation in relatively unconsolidated sandstone reservoirs is a pore fluid property that has been successfully mapped using seismic surveys. The primary objective is to produce a velocity model with a stable and geologically plausible background trend which will enable accurate depth conversion over the study area. The main steps of a study consist in successively building. This description has been simplified in order to emphasize the original techniques involved. Deepwater gulf of mexico turbidites compaction effects. We have recently completed reprocessing of 6,563 km of 2d data offshore spain in the west mediterranean sea. Turbidites in the shang 847 block, a typical turbidite play in the huimin depression, provide an opportunity to study the factors controlling the reservoir properties and hydrocarbon accumulation in lacustrine turbidite sandstones. It includes basic rock properties and brings back complicated technologies to first principles such that the course participants can remember how to understand modern. The primary objective is to produce a velocity model with a stable and geologically plausible background trend. Abstract this paper proposes a new reservoir characterization scheme that.
Two key areas of wellexposed, faulted miocene turbidites located in. Deep sandstone reservoirs in malay basin and turbidites in sabah basin conference ngah, k. Geofluid reservoirs located in heterolithic successions e. Providing seismic attribute analysis and reservoir characterization workflow solutions. Techlog, petrel geological modeling applications petrel reservoir geosteering plugins genoframe operating systems and environments. Characterisation of dynamic flow patterns in turbidite reservoirs using 3d outcrop analogues. Seismic reservoir characterization reservoir software. The modern team approach to reservoir characterization describes productive zones more reliably through the integration of disciplines, technology, and data. Tthhee oorriiggiinnss ooff ooiill aanndd ggaass aanndd hhooww tthheeyy aarree ffoorrmmeedd kerogen is the lipidrich part of organic matter that is insoluble in common organic solvents lipids are the more waxy parts of animals and some plants. Important concepts and terms, ranging from additivity to geostatistics, from seal to variogram and walthers law, are covered in this discipline. Factors controlling reservoir properties and hydrocarbon.
Petroleum geology and reservoir characterization of the upper. Reservoir characterization using seismic and well logs. Our solutions are categorized into the four techniques described in the tabs below. Deepwater turbidite depositional systems and reservoirs. Reservoir characterization to derive properties pgs. Petroleum geology and reservoir characterization of the upper devonian gordon sandstone, jacksonburgstringtown oil field, northwestern west virginia michael e. There is a wealth of literature on reservoir characterization and controlling factors of.
Chad baillie senior consultant reservoir geophysicist has 11 years of professional experience working on reservoir characterization and interpretation projects using an interdisciplinary approach, collaborating alongside with geologists, engineers, and geophysicists to solve challenging reservoir problems. Petrophysical properties and microstructural analysis of faulted. Quantitative characterization of sandstone amalgamation and. Reservoir characterization this paper gives an overview of the activities in geostatistics for the petroleum industry in the domain of reservoir characterization. The result of reservoir characterization is the creation of the sharedearth model. The depth conversion workflow is an integral part of our reservoir characterization workflow. This paper focuses on sedimentological usage of 3d seismic technology, which can be applied for reservoir dist ribution analysis and reservoir. Tthhee oorriiggiinnss ooff ooiill aanndd ggaass aanndd hhooww tthheeyy aarree ffoorrmmeedd kerogen is the lipidrich part of organic matter that is insoluble in common organic solvents lipids are the more waxy parts of animals and some pla. In this arena, it pays off to partner with a trusted geoservice company.
Reservoir modeling and characterization sigve hamilton aspelund 2. An integrated petrophysical study for deep water turbidite reservoir to improve hydrocarbon saturation sanjeev thakur, anil tyagi, anish t. School of earth and space sciences, peking university, beijing 100871, china. It contains a well log study, rock physics modeling, a forward simulation for generating seismic responses, and.
Reservoir facies characterization of turbidite deposits. It is a central part of the reservoircharacterization teams work. Academic press, inc, orlando san diego new york, 1986. The phrase reservoir characterization is sometimes used to refer to reservoir modeling activities up to the point when a simulation model is ready to simulate the flow of fluids. Turbidites commonly show predictable changes in bedding from coarse layers at the bottom to finer laminations at the top, known as bouma sequences, that result from different settling velocities of the particle sizes present. Reservoir facies characterization of turbidite deposits with.
Geophysical characterization is a key process in todays oil and gas industry to perform prospect evaluation, geological modeling and reservoir characterization. Petroleum engineering consulting and software development, specializing in the area of reservoir fluid phase behavior modeling. Basic elements of a reservoir characterization study petrowiki. Both supervised and unsupervised seismic facies maps have been generated at the l sand level on marathon and veritas figures 15 and 16, using the same techniques as for the h sand. The sbed software an acronym for sedimentary bedding. Seismic reservoir characterization central scotian slope study canada june 2016 pl. Estimating petrophysical reservoir properties through.
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