In the context of integrated reservoir studies,net pay has an important role to play Cosentino, L.: Integrated Reservoir Studies, Editions Technip, Paris(). 8. Get this from a library! Integrated reservoir studies. [Luca Cosentino] — Annotation The goal of this book is to highlight the difference between an integrated. Home Luca Cosentino INTEGRATED RESERVOIR STUDIES (Fundamentals of STUDIES (Fundamentals of Exploration and Production): Luca Cosentino.

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There have been many different approaches to quantifying cutoffs, with nosingle method emerging as the definitive basis for delineating net pay. Yeteach of these approaches yields a different reservoir model, so it isimperative that cutoffs be fit for purpose i.

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These different integraed are accommodated by basing the quantification ofcutoffs on reservoir-specific criteria that govern the storage and flow ofhydrocarbons. In so doing, particular attention is paid to the relationshipsbetween the identification of cutoffs and key elements of the contemporarysystemic practice of integrated reservoir studies. The outcome is a structuredapproach to the use of cutoffs in the estimation of ultimate hydrocarbonrecovery.

The principal benefits of a properly conditioned set of petrophysicalcutoffs are a more exact characterization of the reservoir with a bettersynergy between the static and dynamic reservoir models, so that an energycompany can more fully realize the asset value. In a literal sense, cutoffs are simply limiting values. In the context ofintegrated reservoir studies, they become limiting reservoor of formationparameters.


Their purpose is to eliminate those rock volumes integrqted do notcontribute significantly to the reservoir evaluation product. Typically, theyhave been specified in terms of the physical character of a reservoir.

If usedproperly, cutoffs allow the best possible description and characterization of areservoir as a basis for simulation. Yet, although physical cutoffs have beenused for more than 50 years, there is still no rationalized procedure foridentifying and applying them.

The situation is compounded by the diverseapproaches to reservoir evaluation that have been lntegrated over that period, sothat even the role of cutoffs has been unclear.

These matters stueies an evengreater poignancy in contemporary integrated reservoir studies, which aresystemic rather than parallel or sequential in nature, so that all componentsof the evaluation process are interlinked and, therefore, the execution of anyone of these tasks has stuudies for the others Fig. A particularaspect of the systemic approach is the provision for iteration as the reservoirknowledge-base advances.

For example, simulation may be used in developmentstudies to identify the most appropriate reservoir-depletion mechanism, but,once the development plan has been formulated, the dynamic model is retuned andprogressively updated as development gets under way.

Malinos Fliles: Integrated Reservoir Studies Luca Cosentino Pdf

The principal use of cutoffs is to delineate net pay, which can be describedbroadly as the summation of those depth intervals through which hydrocarbonsare economically producible. In the context of integrated reservoir studies,net pay has an important role to play both directly and through a net-to-grosspay ratio. Net pay demarcates those intervals around a well that are the focusof the reservoir study. It defines an effective thickness that is pertinent tothe identification of hydrocarbon flow units, that identifies target intervalsfor well completions and stimulation programs, and that is needed to estimatepermeability through the analysis of well-test data.


The net-to-gross pay ratiois input directly to volumetric computations of hydrocarbons in place andthence to “static” estimates of ultimate hydrocarbon recovery; it is a keyindicator of hydrocarbon connectivity, and it contributes to the initializingof a reservoir simulator and thence to “dynamic” estimates of ultimatehydrocarbon recovery.

A Review,” American Assn. Fundamentals of Reservoir Engineering, U. Veracruz and Macuspana Basins, Mexico,” Trans. Results From the Project: Log in to your subscription Username.

Integrated Reservoir Studies

Peer reviewed only Published between: Advanced search Show search help. Rock Mechanics Symposium and 5th U. Proceedings of an international conference Diverless and Deepwater Techology: Proceedings of an international conference Sudies Proceedings of an International Conference Submersible Technology: Proceedings of an international conference Subsea Controls and Data Acquisition ‘ Society of Petroleum Engineers Disciplines 4.

Summary There have been many different approaches to quantifying cutoffs, with nosingle method emerging as the definitive basis for delineating net pay. Introduction In a intefrated sense, cutoffs are simply limiting values. About us Contact us Help Terms of use. Publishers Content Coverage Privacy. Sheriff’s Encyclopedic Dictionary of Applied Geophysics, fourth edition.