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One of the building blocks of effective supply chain management in the Oil& Gas industry is the accurate modelling of controls and constraints whichaffect the handling of bulk materials.

The SAP IS-Oil Downstream Bulk Distribution Requirements Planningapplication area will provide a range of tools and process optimizationswhich are intended to support bulk material supply chain modelling acrossthe extended enterprise.

The first steps towards this objective is the development of a range of masterdata extensions which facilitate the control and definition of objects used by bulk supply chain management processes.

A range of key function benefits are provided at the current release of theSAP IS-Oil Downstream (Bulk Distribution Requirements Planning) BulkReplenishment application:

The site control parameters function benefit allows you to set sitecontrols in your system.

The replenishment control parameters function benefit supports thesetting of replenishment control parameters in your system.

The storage objects function benefit allows you to define objects thatstore materials in your system.

The sales meters function benefit supports the definition of sales metersin your system.

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IS-Oil BDRP Site Control Parameters component can be used to record suchsite level information which is specific to bulk material handling processes.The mechanism provides an additional screen for standard site managementdialogs, in which both a standard set of site control parameters and userinstallation defined site characteristics can be maintained.

Initially, the Site Control Parameter maintenance screen will be availablefrom the SD customer ship-to party maintenance dialog and the IS-Oil MRN business location maintenance dialog.

Fig. 8-1: The effect of sales hours on replenishment calculations.

You can enter parameters to control replenishment at a delivery site usingthe IS-Oil BDRP Replenishment Control Parameters screen. An additionalscreen is provided within delivery site (e.g. customer ship-to) master data.In this screen you can define replenishment control parameters for eachreplenishable material at the customer site.

An additional function benefit of IS-Oil BDRP Replenishment ControlParameter component is a structure for recording the stock figures enteredfrom external system for the delivery site.

Fig. 8-2: Stock report for a delivery site based on external data.

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The IS-Oil BDRP Replenishment Control Parameter component is suppliedin prototype form only at the current release. Processes which use the datacontained in this screen are currently being developed. The structure of thisscreen and the field definitions on this screen are subject to change, beforethese processes are implemented.

In connection with bulk material handling processes such as deliveryplanning, scheduling and unloading operations there is a requirement torecord information about the tanks, containers or silos which are used toreceive the bulk material.

For example, the available capacity of customer storage for a particularmaterial should be known before a delivery is scheduled to that customer, inorder to avoid unnecessary returns or even hazardous overflows. In anothercase it may be mandatory to confirm the compatibility of the target stockreceiving object with the material to be unloaded, to prevent damage orcontamination.

The IS-Oil BDRP Storage Object Characteristic component provides astandard technique within the system to define and maintain one or manystorage objects for any given stock holding object within the R/3 system. Atthe current release storage objects can be defined for the following stockholding objects:

Customer Ship-to

Business Location.

The Storage Object Characteristic component is used to record informationabout storage objects which is specific to bulk material handling processes. Foreach storage object, the component provides screens for basic specifications,maintenance data, assignments and linear/volumetric conversion data.Individual storage objects are created with reference to storage object typeswhich are maintained in customizing. Storage object types serve both to typestorage objects and as reference storage objects for specification andlinear/volumetric conversion data.

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Fig. 8-3: The allocation of storage objects to a site object within IS-Oil

A facility is provided within the storage object master data to manage theconversion of linear dip values to physical volumes. Such conversions arecommonly referred to in the industry as tank strapping conversions.

During a delivery or stock taking cycle the contents of a particular tank/silocan be evaluated through the use of a dip reading. The dip reading isnormally taken with a calibrated rule inserted into a perforated guide tube.The guide tube ensures verticality of the rule. The dip reading is used tomeasure both depth of product and water in any particular tank or tankgroup.

The tank/silo or tank/silo group consist of storage vessels of irregular shape- typically these shapes will spherical or cylindrical. This means that theconversion between a linear dip and the volume of product held in the tankis non-linear. The industry response to this is to define conversion tableswhich contain a number of conversion constants. Each conversion constantconsists of two fixed values, one of which represents a linear measure and

the other the volumetric capacity which is contained in the storage object fora dip of the specified linear value. For a given dip of a specific storageobject, it is possible to ascertain the volume of product contained within thestorage object.

Because the linear and volumetric values of a sequence of conversionconstants do not have to be co-incremental, it is possible to model irregularlyshaped storage objects.

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The General Meter Management component is used to record information aboutmeters which is specific to bulk material handling processes. For each meter,the component provides screens for basic specifications and maintenance data.Individual meters are created with reference to meter types.

UNLD95

UNLD98

Fig. 8-5: How the sales meter function benefit will be used to calculate salesquantities

The IS-Oil BDRP General Meter Management component is supplied inprototype form only at the current release. Processes which use the datacontained in this screen are currently being developed. The structure of thisscreen and the field definitions on this screen are subject to change, beforethese processes are implemented.

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The BDRP component provides some demonstration Internet transactions toallow users of IS-Oil BDRP to experiment with some of the processes whichwill be fully realised in future releases of the product.

Fig. 8-6: Process flow of internet scenario which includes determination ofmaterial assignment and use of tank strapping tables.

A pair of values which describe a permanent correlation between a linearquantity and a volumetric quantity. Linear/volumetric conversion constantsform the basis of calculations made to determine the quantity of material in astorage object for any given measurement of the depth of material in thatstorage object.

Any object in the system for which storage process relevant data need to becaptured. For example, a delivery scheduler needs to know the maximumcapacity of oil tanks at both a plant and a customer business partner.

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Any variable or descriptive text which describes an object which can be usedto store materials. Some storage object characteristics are entered andmaintained in application specific objects such as plants and storage locations.Other storage object characteristics can be maintained using the storage objectcharacteristic maintenance tool.

The number of a subordinate storage object in terms of the owning object.For example a ship-to customer may have three storage objects with the

numbers 001, 066 and X74.

The technique used to support the definition of common reference data forstorage object characteristic segment instances.

The process whereby the quantity of a material in a storage object can bedetermined from the depth of material in that storage object. Accurate tankstrapping requires the maintenance of a large number of linear/volumetricconversion constants. The system uses these constants to calculate avolumetric quantity from an input linear measure or tank dip.