Turbidite lobes are generally characterized by interbedded sandstones and. Example of the eocene morillo turbidite system southcentral pyrenees, spain. In the context of reservoir characterization, it has been demonstrated that the eei at optimized. Quantitative characterization of sandstone amalgamation and. 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.
Oct 11, 2014 reservoir modeling and characterization sigve hamilton aspelund 2. 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. During analysis, hydrocarbon saturation in relatively unconsolidated sandstone reservoirs is a pore fluid property that has been successfully mapped using seismic surveys. It is a central part of the reservoircharacterization teams work.
Done right, the step helps companies get the most out of an exploration project. Reservoir characterization using seismic and well logs. Geological reservoir characterization school, schlumberger. Important concepts and terms, ranging from additivity to geostatistics, from seal to variogram and walthers law, are covered in this discipline.
Processoriented customizable modeling templates for turbidite channels and depositional lobes. Providing seismic attribute analysis and reservoir characterization workflow solutions. Special publication of the european association of petroleum geoscientists, vol 3. 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. Commercially available software is used in the construction, simulation and analysis of the reservoir models. Reservoir characterization to derive properties pgs. Geologic and engineering characterization of turbidite reservoirs, ford geraldine unit, bell canyon formation, west texas.
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. Reservoir facies characterization of turbidite deposits. Amoco drilled the marlin discovery well in may 1993 on viosca knoll block 915. Submarine channels can be broadly classified as gravityflow channels and leveed channel complexes. Deep sandstone reservoirs in malay basin and turbidites in sabah basin conference ngah, k. The modern team approach to reservoir characterization describes productive zones more reliably through the integration of disciplines, technology, and data. Reservoir characterization schlumberger oilfield glossary. Geologic and engineering characterization of turbidite reservoirs. Main challenges and uncertainties for oil production from. Academic press, inc, orlando san diego new york, 1986.
The american association of petroleum geologists is an international organization with over 38,000 members in 100plus countries. Deepwater turbidite depositional systems and reservoirs. Techlog, petrel geological modeling applications petrel reservoir geosteering plugins genoframe operating systems and environments. Specialize in multivariate statistics by integrating 3d seismic attributes, rock.
Often we are encountered with thin lamination of sand and shale in addition to thick clean. This presentation discusses the petrophysical characterization of the marlin discovery, a high quality gas and oil reservoir in the deepwater northern gulf of mexico. This description has been simplified in order to emphasize the original techniques involved. The key step of the eei method is to use a datadriven approach to determine the best projection. Most of the oil fields in the world can benefit from some degree of reservoir characterization. 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 modeling and characterization linkedin slideshare. It contains a well log study, rock physics modeling, a forward simulation for generating seismic responses, and objectbased prior modeling. It handles a large range of seismic data in dedicated workflows from data conditioning to quantitative property estimation.
Reservoir characterization training course petroskills rc. Deepwater gulf of mexico turbidites compaction effects. The sbed software an acronym for sedimentary bedding. Compartmentalized reservoirs facies analysis flow units gis mapping reservoir characterization sequence stratigraphy software and internet databases 512. 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. 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. Enhanced reservoir characterization in a deep water turbidite system using borehole images and spectroscopy logs. 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. 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. School of earth and space sciences, peking university, beijing 100871, china. The high energy associated with turbidite deposition can result in destruction of earlier deposited layers by subsequent.
Geovariances geostatistics expertise ensures model quality and reliability. Created the equationofstate reservoir fluid characterization adopted by the operating companies for the prudhoe bay miscible gas project. The depth conversion workflow is an integral part of our reservoir characterization workflow. Factors controlling reservoir properties and hydrocarbon. Our solutions are categorized into the four techniques described in the tabs below. Two key areas of wellexposed, faulted miocene turbidites located in. Reservoir characterization with borehole geophysics this course is building the bridge between well logging, formation evaluation and geophysical reservoir characterization. Since at times the signal separating a good from a poor quality reservoir can be subtle, a. Interwell is a seismic inversion and characterization software for reservoir and exploration geophysicists, available in linux and windows environments.
After accurate characterization, faciesfacies association models are then. 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. The result of reservoir characterization is the creation of the sharedearth model. An integrated petrophysical study for deep water turbidite reservoir to improve hydrocarbon saturation sanjeev thakur, anil tyagi, anish t. Enhanced reservoir characterization in a deep water. Deepwater turbidite lobe reservoirs have massive hydrocarbon potential and represent one of. Sedimentary deposits formed by turbidity currents in deep water at the base of the continental slope and on the abyssal plain. Ahmed abuelfotoh senior geologist schlumberger linkedin. To provide a deep understanding supported by numerous case studies in different reservoir contexts clastic and carbonates of integrated reservoir. This process has become of utmost importance since the era of easy oil has ended. Reservoir characterization this paper gives an overview of the activities in geostatistics for the petroleum industry in the domain of reservoir characterization. Ct slices of 2000 by 2000 pixels were generated using xradias proprietary software. This study aims at building a 3d geological model of the turbidite reservoir of the. Characterisation of dynamic flow patterns in turbidite reservoirs using 3d outcrop analogues.
Basin, in order to better understand and characterize reservoir heterogeneities. Geophysical characterization is a key process in todays oil and gas industry to perform prospect evaluation, geological modeling and reservoir characterization. An integrated petrophysical study for deep water turbidite. There is a wealth of literature on reservoir characterization and controlling factors of. Our software is tuned for performance in even the most computeintensive steps of the inversion workflow. 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.
Petroleum geology and reservoir characterization of the upper. 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. Science american association of petroleum geologists. Seismic reservoir characterization reservoir software. The primary objective is to produce a velocity model with a stable and geologically plausible background trend. Geostatistics is used by the petroleum industry for reservoir characterization. The objective of the solutions proposed by ifpen is to improve the characterization of complex oil and gas fields. 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. Reservoir facies characterization of turbidite deposits with. Quantitative characterization of sandstone amalgamation and its impact on reservoir connectivity zhang leifu1, wang hongliang2, li yinglie3, pan mao1, 1. Seismicallydriven characterization of deepwater turbidite systems.
This paper focuses on sedimentological usage of 3d seismic technology, which can be applied for reservoir dist ribution analysis and reservoir. Estimating petrophysical reservoir properties through. 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. Geosoftwares comprehensive portfolio covers the entire seismic reservoir characterization workflow. Reservoir modeling and characterization sigve hamilton aspelund 2. Deepwater turbidite lobe reservoirs have massive hydrocarbon potential and. Pdf 3d seismic geomorphological analysis of submarinefan. 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. 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.
The main steps of a study consist in successively building. 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. 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. Geological software geoscience and reservoir modeling software. Petroleum geology and reservoir characterization of the. Factors controlling reservoir properties and hydrocarbon accumulation of lacustrine deepwater turbidites in the huimin depression, bohai bay basin, east china. Our reprocessing workflow included a modern 2d isotropic prestack time migration pstm and enhanced demultiple technique.
The project will conclude with a formal presentation to experts from both academia and industry. 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. An integrated multidisciplinary geostatistical reservoir characterization is conducted in two main steps. Abstract this paper proposes a new reservoir characterization scheme that. Deepwater gulf of mexico turbidites compaction effects on.
Integrated geostatistical reservoir characterization of. Aapg bulletin much of the production in malaysia is from middle to upper miocene sandstones and carbonates in three main basins. Petrophysical properties and microstructural analysis of faulted. The purposes of this association are to advance the science of geology. Malay, sarawak its three subbasinscentral luconia, balingian and baram, and sabah. Abstract it is commonly accepted that deep marine reservoirs are dominated by submarine channels and channelized lobes. Hohn, editor west virginia geological and economic survey publication b45 this is a summary. Facies and reservoir characterization of cretaceouseocene. The ifp group has pioneered the development of inversion software and characterization methods since the mid80s, as. We have recently completed reprocessing of 6,563 km of 2d data offshore spain in the west mediterranean sea. Geostatistics for optimizing reservoir characterization geovariances. Ifpen develops innovative solutions and software for reservoir modeling, including matrixfracture characterization and modeling, as well as reservoir simulation. A good characterization of reservoir heterogeneities is a fundamental requirement for a.
Interwell seismic inversion and reservoir characterization. In such context, dionisosflow allows mapping and delineating turbidite fan, giving the. A stacked turbidite channel was interpreted from 3d seismic data acquired in the. Software packages for mapping, wireline logging, digitized logs, reservoir management, and other essential analysis. Complementary structural analysis of channelized turbidites. 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. Here we have seismic impedance sections, both in time and depth, for some of the reservoirs from the barracuda field. Using an overlay technique or log analysis software, identify all productive zones and rock. It is especially relevant for lithologyfluid prediction. Petroleum engineering consulting and software development, specializing in the area of reservoir fluid phase behavior modeling. Reservoir models simulate behavior of fluids within a reservoir under different conditions to help asset teams develop optimal production techniques. 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. Reservoir studio is a geological modeling software for reservoir characterization workflow, reservoir heterogeneity, turbitie reservoirs.
Basic elements of a reservoir characterization study petrowiki. Pdf 3d seismic geomorphological analysis of submarine. This course provides a unique opportunity to examine modern, ancient, and subsurface examples of data from turbidite reservoirs. This type of model, created as a result of reservoir characterization,is important in four ways. Practical reservoir characterization for the independent operator. It contains a well log study, rock physics modeling, a forward simulation for generating seismic responses, and.
To obtain the complete report, contact the west virginia geological survey at 304 5942331. 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. It includes basic rock properties and brings back complicated technologies to first principles such that the course participants can remember how to understand modern. Quantitative characterization of sandstone amalgamation. Irt associates international reservoir technologies, inc. Petroleum geology and reservoir characterization of the upper devonian gordon sandstone, jacksonburgstringtown oil field, northwestern west virginia michael e. Characterisation of dynamic flow patterns in turbidite. The extensive use of 3d seismic as a reservoir characterization tool has optimized well location and allowed the reduction of geological risks. 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. Compaction causes particular concern because most prospective deepwater reservoirs are highly geopressured and many have limited aquifer support. The characterization of a petroleum reservoir is based on geological and petrophysical description of it, i.
Seismic reservoir characterization central scotian slope study canada june 2016 pl. In this arena, it pays off to partner with a trusted geoservice company. Geofluid reservoirs located in heterolithic successions e. Basic elements of a reservoir characterization study. Dionisosflow is available as a commercial software solution.
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