Cores were subsequently sectioned at 1cm intervals over the entire length of the core, and major lithologic changes were noted during sectioning. Core descriptions are visually attractive capturing the natural look of a handdrawn description. Sedimentological core description and analysis as well as upload on wellcad and applecore software integration of ichnology and sedimentology in the interpretation of. Heterogeneous deposits of the transgressive shoreline facies association is observed at the base of all three sections and overlain by successions of lower shoreface, upper shoreface and fan delta associations and then by transgressive shelf and shelf associations. Sedimentological analysis and reservoir characterization of a. Detailed sedimentological core description, enabling facies analysis and.
Static modeling is enhanced by importing and integrating sedimentological data from easycore logs. Core description and stratigraphic relationships a detailed lithologic description of cores om 41a10 and 1w 33c3 is provided in the core logs plate iv and appendix xii, respectively. The standardization ensured by strataledge produces valuable records of lithological units, sedimentary or. Lithological description and analysis of washed cuttings can also be provided.
We can also compiled and develop the client corporate database system for all geological laboratory analysis. Core log analysis need for higher resolution comparable to ct scan to fit the needs in shale reservoirs what is seen visually interpreted on scanner images hardly contrasts on core gr or core gamma density need for simplified information to guide core descriptions. Carbonate sedimentology badley ashton provides precise core observations and validated interpretations via detailed interpretative graphical core descriptions including lithofacies analysis, the identification of sedimentological features as well as pore types, cementation, visual estimations of reservoir quality and the recognition of key surfaces, stacking patterns and depositional hierarchy. Applying sedimentological and geophysical techniques for.
Sedimentary facies of the logged formation can be interpreted in a similar way to core facies analysis. Stratigraphy and sedimentology sequence stratigraphy. Detailed sedimentological core logs showing the main facies associations. Core description analysis of conventional core include description of bedding, lithology, sedimentary structures, fossils, and any other macrofeatures of the rock. Detailed sedimentological core description, enabling facies analysis and depositional modelling. For outcrop and core description, we use our partners software lithohero. Core description on paper or using industry standard applecore tm software and alternatives, in house or at clients premises. Core description includes the identification of lithologies and major boundaries, the presence and type of bedding and fractures etc. Perform detailed corebased siliciclastics reservoir description core logging and facies interpretation sedimentological observations. A sedimentologist at the beginning of his or her career must have a strong knowledge base of geological and sedimentological principles and be able to apply this knowledge to analysis and core description relevant to his or her industry e. Detailed core description inclusive of grain size, mineralogy, facies, paleoenvironments and cyclicity interpretation.
Carbonate and siliciclastic single and multiwell basin wide studies undertaken. Perform detailed core based siliciclastics reservoir description core logging and facies interpretation sedimentological observations. Data used to understand depositional environment, reservoir geometry, and. I am looking for something similar, straightforward and free software that i can. A diverse set of information can be derived from slabbed, full and halfcut core. Optimized partition of log data calibrated to facies described in core. On the importance of building accurate sedimentological.
Core description can be facilitated using specific software and computer vision techniques, allowing the construction of detailed sedimentological sheets and accurate determination of core shifts. Whether it is noncommercial research, master or phd thesis, we like to share published documents, web. Can anyone recommend a free software to easily create graphic. Detailed observation of each core section of sediments was recorded initially by hand on standard odp visual core description vcd forms. Sedimentological definition of sedimentological by the free. Core description, lithofacies interpretation and sedimentological characterization of a mixed provenance alluvial fan.
Replace hand drawn paper core logs with digital logs using geo. Sedimentology definition of sedimentology by merriamwebster. Sedimentological, facies and sequence stratigraphic analysis of ancient deposits. Sedimentology definition is a branch of science that deals with sedimentary rocks and their inclusions. Karina jenkins project geologist stratum reservoir. Lithohero is software designed to collect, record, and display sedimentological and stratigraphic data during fieldwork. Robertson core description formerly norwegian clastic core logs is a webdelivered product that offers quick and easy access to a growing database of 1. Pdf on the importance of building accurate sedimentological.
Core descriptions are an integral part of the exploration. Core description software mount sopris instruments. Detailed core description, performed and exported into a digital data file. Leg 194 sedimentologists adopted the following strategy before writing comments on the visual core description vcd form used for each core section fig. Core descriptions can be provided on industry standard software wellcad and standard graphic logs with gamma. Sedimentology encompasses the study of modern sediments such as sand, silt, and clay, and the processes that result in their formation erosion and weathering, transport, deposition and diagenesis.
Sedimentological descriptions and depositional interpretations, in sequence strati graphic context, of two 300meter cores from the upper cretaceous straight cliffs formation, kaiparowits plateau, kane county, utah robert d. The trap is structuralstratigraphic, and is located at the southern end of the utsira high, a complex basementcored megaclosure fig. Like most other laboratory or field techniques, ichnology should not be used as a standalone tool. Easycore is an easy and fast digital core description solution, for both clastic and carbonate sedimentologists, designed to speed up the core description process by automating parts of the workflow and still keep a design that is pleasing to the eye. Sedimentological analysis and reservoir characterization. Sedimentological core description and interpretation fault seal analysis stratigraphic correlation and sequence stratigraphy. Easycore is flexible, allowing the user to create a customized look to suit individual preferences.
The johan sverdrup field was discovered in 2010 by exploration well 1626, drilled by pl501 operator lundin norway and partners statoil and maersk oil in the norwegian part of the north sea fig. Core descriptions, core photographs, physical property logs and. Ichnology provides useful information on the environmental conditions that prevailed during or shortly after sediment deposition. Laboratory methods and analysis sedimentological and. As such, recognition and interpretation of trace fossils are now integrated in advanced sedimentological core and field studies. Core descriptions, fracture studies and sedimentology. Consists of biostratigraphy, geochemistry, petrology and sedimentology.
The science that deals with the description, classification, and origin of sedimentary rock. Very flexible approach which can be targeted to clients need. Academic projects using easycore for core descriptions, outcrops etc. Scales 110, 140, 1200 computer processed digital core photography core slabs and thin sections petrographic description core slabs and thin sections. The core description is supported by an integrated presentation in wellcad format with other available data, such as wireline logs, routine core analyses, petrographic and. Sedimentological services include core descriptions at various scales, ichnology, lithofacies interpretation, sequence stratigraphic analysis, and interpretation of depositional environment. We provide sample preparation for biostratigraphy palynology, micropaleontology and calcareous nannofossil analysis. The application can be used to describe outcrops or cores. Sedimentological core description this includes the logging of grain size, sorting, lithology, dunham, sedimentary and biogenic structures, pores, oil stain, macro diagenetic features, mud content, degree of bioturbation etc. The core was examined to pick boundaries, determine lithologies, identify key features, and determine the samples to be collected i. Wellcad corecad digital core description module corecad is an interactive digital core description application based on the comprehensive well data display capability of the wellcad package. Core description forms provide a summary of data obtained during shipboard analysis of the sediments.
These software databases could be integrated to give intelligent solutions for the client. Robertson has been producing clastic core descriptions of released norwegian wells since the early 1990s. Detailed core sedimentological description scale 1. Petrography, geochemistry, routine core analysis and core photography etc. Sedimentology is closely linked to stratigraphy, the study of the physical and temporal relationships between rock layers or strata. Outcrop and core description using mobile devices lithohero is software designed to collect, record, and display sedimentological and stratigraphic data during fieldwork. Karina jenkins project geologist stratum reservoir linkedin.
We can also compiled and develop the client corporate database system. Sedimentological article about sedimentological by the free. Wellcad corecad digital core description module store. Core description detailed structural and sedimentological information acquired from the core can be captured, digitized, oriented correctly and depth referenced for comparisons and integration with dipmeter, image log or petrophysical log data. Sedimentological article about sedimentological by the. Initially, cores were xrayed to image the intact core. Aug 11, 2019 sedimentological core description studies. Clastic and carbonate reservoir evaluation including sedimentological core description, stratigraphic interpretation, petrographic analyses, and drilling completion recommendations. Lithohero is software designed to collect, record, and display sedimentological and stratigraphic data. Applying sedimentological and geophysical techniques for facies analysis and depositional doi. The sediment vcd was then transcribed using applecore software. Core description on paper or using industry standard applecore tm software and. The core description is supported by an integrated presentation in wellcad format with other available data, such as wireline logs, routine core analyses, petrographic and geochemical information and borehole image logs.
Sedimentary rocks cover up to 75% of the earth s surface, record much of the earths history, and harbor the fossil record. We have access to petrographic database system petrog and altwellcad for sedimentological core description. Does anybody know a free software to draw a sedimentological log with. Core plugs provide samples for analysis of porosity, permeability, fluid saturation, and a host of compositional and textural studies. Each neural unit is then assigned a code that corresponds to a geological interpretation detailed core description. Core samples are currently being described in the laboratory using soil science and sedimentological procedures. The premise that the processes affecting the earth today are the same as in the past is. This stage is essential for direct interpretation of electrofacies in sedimentological terms.
Core description analysis of conventional core include description of bedding. Mead, presiding this plot has provided sedimentological evidences which supported the fluviatile environments of deposition. A brief sedimentological log and core description is normally conducted on whole or slabbed core at the start of the core analysis program and provides the basis for sampling. A methodology for collaborative visualization of geological cores. Supporting sedimentological descriptions in unconventional.
Detailed sedimentological core description manual and software based openhole log data handling and interpretation ct core scan analysis, reorientation and integration with bhi preparation of core sedimentological logs, well summary sheets and correlation panels. It provides a friendly and comfortable interface that easily adapts to tablets and smartphones running android 5. Easycore is an easy and fast digital core description solution, for both clastic and carbonate sedimentologists, designed to speed up the core description process by automating parts of the workflow and still keep a design that is pleasing to the eye core and core data is a valuable asset and an integral part of the exploration business. The capabilities of als give us the ability to integrate all available data. Robertson core description encompasses the entire ncs and is subdivided into the three geographic regions. The established workflow for routine core analysis rca comprises petrophysical measurement of porosity, permeability, and grain density on core plugs mcphee et al. These tools will allow the geologist to input core descriptions. Core descriptions are an integral part of the exploration and. Data used to understand depositional environment, reservoir geometry, and reservoir quality. Geological sciences core descriptions, fracture studies and sedimentology.
812 1175 626 519 469 1620 1479 692 1504 446 665 1381 73 472 1102 1388 112 1289 45 335 389 379 630 979 782 1212 779 627 1410 867 926 1567 353 228 843 309 214 858 834 703 226 1262 1199 618