POSC Specifications: Epicentre Version 3.0 | Logical Data Model |
Identifies geometry associated with potential field acquisition (e.g., gravity or magnetics).
- identifier (M, K, I: ndt_identifier) (C011)
- The identifying name for the earth feature. Inherited from earth_feature.
- unique_within (O, K, I: earth_feature(unique_part)) (C133)
- This is another earth feature within which this earth feature is uniquely identified. Each potential_field_geometry_set may be identified within one earth_feature. Inherited from earth_feature.
- part_of (O, K, I: geophysical_geometry_set(composition))
- Defines the geometry set of which this geometry set is a part. Each potential_field_geometry_set may be part of one geophysical_geometry_set. Inherited from geophysical_geometry_set.
- description (O, I: ndt_comment) (C117)
- A remark or comment about the instance. Inherited from e_and_p_data.
- instance_create_date (O, I: ndt_date_tod) (C126)
- This is the date that this instance was created. This date is defined by the source if imported, or is the date the instance is created if a new instance. Inherited from e_and_p_data.
- instance_creator (O, I: ndt_identifier) (C126)
- This is the person, company or application that created this instance. This identifies the party responsible for loading this instance. Inherited from e_and_p_data.
- last_updated (O, I: ndt_date_tod) (C126)
- This is the date that this instance was last updated. This value should be updated when any part of this instance is altered (except for inverse relationships). Inherited from e_and_p_data.
- last_updated_by (O, I: ndt_identifier) (C126)
- This records the person or application making the update to this instance. Inherited from e_and_p_data.
- line_index (O: ndt_real4)
- Asserts that all measurement uids or station uids have the same line index associated with them within this geometry set. This is the index which varies in the "crossline" direction. If this attribute is specified, then measurement index or station index should not specify a value for "acquisition line index".
- measurement_index (O: ndt_acquisition_index_array)
- Defines "acquisition line index" and/or "acquisition point index" values at each node defined by measurement uid. The values imply a relative spatial ordering of the measurements within the acquisition survey (i.e., 1 is next to 2, 2 is next to 3, etc.).
- measurement_name (O: ndt_name_array)
- The name associated with measurement. The grid used must match the grid used by measurement uid. The names should be unique within the array.
- measurement_seismic_station (O: ndt_uid_array)
- Defines the "seismic station uid" value at each node of the grid defined by measurement uid. This asserts the "nearest" seismic station to each node. A pair of values including "seismic geometry set uid" may be defined when "seismic station uid" values from many seismic geometry sets are specified.
- measurement_sensor_facility (O: ndt_uid_array) (C137)
- Captures the sensor facility used for each measurement by specifying a "user unique identifier" value at each node of the grid defined by attribute measurement uid. The grid used must match the grid defined by attribute measurement uid. Each "user unique identifier" value must match the value of attribute facility uid in one of the sensor facilities referenced in attribute utilized facility. This enables the use of different or multiple sensors within the acquisition of a geometry set.
- measurement_station (O: ndt_uid_array)
- Defines a "potential field station uid" value at each measurement. The grid used must match the grid used by attribute measurement uid. This asserts the potential field station at which each measurement occurred. If this attribute is populated, then each measurement must occur at one and only one station but each station may have zero, one or many measurements occur there.
- measurement_time (O: ndt_time_array)
- Defines the time of each measurement relative to measurement time origin. The grid used must match the grid defined by measurement uid.
- measurement_time_origin (O: ndt_date_tod)
- The time reference for times in measurement time.
- source (O, I: ndt_identifier) (C126)
- The provider of this instance, which is usually a data provider for imported/purchased data. If this instance is provided by POSC, then this attribute must be "POSC". Inherited from e_and_p_data.
- source_content (O, I: ndt_identifier) (C126)
- This is the original source of the data. This is the person, company or application that defined or specified the data (content) for this instance and is considered to be responslble for it. For example, POSC, EPSG, API, ISO, etc. This may be the same as or different from the provider of the instance (e.g., POSC). Inherited from earth_feature.
- source_reference (O, I: ndt_comment) (C042, C126)
- The reference used by source to provide the standard instance, such as Petroleum Industry Data Dictionary (PIDD), Websters Ninth New Collegiate Dictionary, etc. Inherited from earth_feature.
- station_index (O: ndt_acquisition_index_array)
- Defines "acquisition line index" and/or "acquisition point index" values at each node defined by attribute station uid. The values imply a relative spatial ordering of the stations within the acquisition survey (i.e., 1 is next to 2, 2 is next to 3, etc.).
- station_name (O: ndt_name_array)
- The name associated with each potential field station. The grid used must match the grid used by station uid. The names should be unique within the array.
- status (O, I: ndt_instance_status) (C042)
- The status of this instance in the version of Epicentre running in a data store. This is an enumerated datatype for which the following are the possible values: current, provisional, deprecated. Current - use without restriction. Provisional - use with caution, this value is for comment and may not appear in future releases of Epicentre. Deprecated - avoid use if possible, it is planned to remove this value in the next major release of Epicentre. Inherited from earth_feature.
- surface_only (O, I: ndt_boolean) (C133)
- When set to TRUE, this earth_feature represents only the surface of the Earth and does not extend into the subsurface. Inherited from earth_feature.
- acquisition_point (I, V: SET[0:?] geophysical_acquisition_point(geometry_set))
- Specifies the points which represent nodes in acquisition arrays (e.g., station uid). Each potential_field_geometry_set may have a node referenced by one or more geophysical_acquisition_point. Inherited from geophysical_geometry_set.
- activity (I, V: SET[0:?] activity(activity_context)) (C056)
- The activities which are identified within the context of this object. Each potential_field_geometry_set may identify one or more activity. Inherited from locatable_object.
- business_assoc_earth_ftr_role (I, V: SET[0:?] business_assoc_earth_ftr_role(earth_feature)) (C112)
- These describe the roles that different business associates may have for this earth feature. Each potential_field_geometry_set may have one or more business_assoc_earth_ftr_role. Inherited from earth_feature.
- composition (I, V: SET[0:?] geophysical_geometry_set(part_of))
- Defines the geometry sets which compose this geometry set. Each potential_field_geometry_set may be composed of one or more geophysical_geometry_set. Inherited from geophysical_geometry_set.
- contract_object_designation (I, V: SET[0:?] contract_object_designation(business_object)) (C112)
- This defines the contract designations that are made for this business object. For example, this may be the contract designations that define the specific interest ownership fractions of the business object as it is bought and sold. Each potential_field_geometry_set may be subject to one or more contract_object_designation. Inherited from business_object.
- coordinate_system (I, V: SET[0:?] coordinate_system_earth_usage(earth_feature)) (C133)
- This describes the coordinate systems that have been defined as appropriate to this portion of the Earth. Each potential_field_geometry_set may described using one or more coordinate_system_earth_usage. Inherited from earth_feature.
- coordinate_system_context (I, V: SET[0:?] general_coordinate_system(local_context)) (C148)
- These are the coordinate systems which have been defined in the context of this object. For example, a measured depth system defined for a wellbore. Each potential_field_geometry_set may be the context for one or more general_coordinate_system. Inherited from topological_object.
- coordinate_transformation (I, V: SET[0:?] transformation_earth_usage(earth_feature)) (C133)
- This describes the coordinate transformations that have been defined as appropriate to this portion of the Earth. Each potential_field_geometry_set may described using one or more transformation_earth_usage. Inherited from earth_feature.
- data_collection (I, V: SET[0:?] data_collection_content(collection_part)) (C020)
- Indicates the data collections that include this instance of E and P data. Each potential_field_geometry_set may be a member of one or more data_collection_content. Inherited from e_and_p_data.
- data_grid_use (I, V: SET[0:?] geophysical_data_set(utilized_uid_grid))
- Defines the set of data sets which use a "uid" grid defined by this geometry set. Each potential_field_geometry_set may have grid utilized by one or more geophysical_data_set. Inherited from geophysical_geometry_set.
- data_set (I, V: SET[0:?] geophysical_data_set(geometry_set))
- The versions of data associated with this geometry. This may be raw recorded data, processed data or ancillary data such as velocities. Each potential_field_geometry_set may be represented by one or more geophysical_data_set. Inherited from geophysical_geometry_set.
- defined_naming_systems (I, V: SET[0:?] naming_system_area(earth_feature)) (C126)
- These are the naming systems that are specifically defined as applicable to this area of the earth. Each potential_field_geometry_set may define one or more naming_system_area. Inherited from earth_feature.
- derived_from (I, V: SET[0:?] geophysical_geom_derivation(used_by))
- Defines the geometry that was used to derive this geometry. For example, a "2.5D survey" is derived from a set of "2D lines". Note that the new geometry set may not define any new acquisition geometry but rather the data associated with it may reference the original acquisition geometry and a new processing geometry. Each potential_field_geometry_set may be derived from one or more geophysical_geom_derivation. Inherited from geophysical_geometry_set.
- derived_interest (I, V: SET[0:?] derived_interest_makeup(interest_for)) (C071, C122)
- These are the ownership fractions for business associates of this object. Each potential_field_geometry_set may be referenced by one or more derived_interest_makeup. Inherited from object_of_interest.
- document_information_content (I, V: SET[0:?] document_information_content(e_and_p_data)) (C136)
- These are the document specification parts that include this data value and define its meaning within a document specification. Each use may define a different meaning, and many uses are allowed. Each potential_field_geometry_set may be included in one or more document_information_content. Inherited from e_and_p_data.
- earth_feature_alias (I, V: SET[0:?] earth_feature_alias(aliased_object)) (C029)
- Indicates the various identifiers by which this earth feature is known. Each potential_field_geometry_set may be known by one or more earth_feature_alias. Inherited from earth_feature.
- earth_feature_classification (I, V: SET[0:?] earth_feature_classification(earth_feature)) (C034)
- Indicates that the feature is being classified. Each potential_field_geometry_set may be classified by one or more earth_feature_classification. Inherited from earth_feature.
- geometry_segment (I, V: SET[0:?] geophysical_geometry_segment(geometry_set))
- Defines the set of geometry segments associated with this geometry set. Each potential_field_geometry_set may be represented by one or more geophysical_geometry_segment. Inherited from geophysical_geometry_set.
- geometry_summary (V: SET[0:?] pty_potential_field_geom_summ(potential_field_geometry_set))
- Defines the nominal summaries of this geometry set. Each potential_field_geometry_set may have a property of one or more pty_potential_field_geom_summ.
- graphical_element (I, V: SET[0:?] graphical_element(depicted_object))
- Specifies one or more graphical elements which are depicting this data item. Each potential_field_geometry_set may be depicted by one or more graphical_element. Inherited from e_and_p_data.
- guideline_compliance (I, V: SET[0:?] guideline_compliance(business_object)) (C112)
- These are the designations of compliance with guidelines, limitations, regulations and privileges that are made for this business object. Each compliance statement describes the state of compliance for a specified guideline, limitation, regulation or privilege for a period of time. Each potential_field_geometry_set may be the subject of one or more guideline_compliance. Inherited from business_object.
- guideline_or_privilege (I, V: SET[0:?] object_subject_to_guideline(business_object)) (C053)
- These are the guidelines, limitations, regulations or privileges that are specifically defined for this business object. Other general guidelines, etc., that apply to this business object are defined via the typical and class relationships (if any) defined for this business object. Each potential_field_geometry_set may be the subject of one or more object_subject_to_guideline. Inherited from business_object.
- identified_facilities (I, V: SET[0:?] geophysical_facility(identifying_context))
- The facilities whose existence is defined within the context of this geometry set. Each potential_field_geometry_set may provide the scope of existence for one or more geophysical_facility. Inherited from geophysical_geometry_set.
- intersection_role (I, V: SET[0:?] space_time_operation(intersecting_object))
- Indicates a space/time operation for which the object is involved as an intersecting agent. For projection, this is the screen on which an object is being projected. For proximity, this is the magnet object. Each potential_field_geometry_set may be the intersecting object for one or more space_time_operation. Inherited from topological_object.
- involving_activity (I, V: SET[0:?] object_activity_involvement(involved_object)) (C056)
- This are the activity involvements which affect the object. Each potential_field_geometry_set may have involvements with one or more object_activity_involvement. Inherited from object_of_interest.
- kind (O, I: earth_feature_class(earth_feature)) (C047)
- The class which asserts the fundamental nature of the feature. Each potential_field_geometry_set may be fundamentally defined by one earth_feature_class. Inherited from earth_feature.
- local_rock_feature (I, V: SET[0:?] local_rock_feature(earth_feature)) (C133)
- These are the local_rock_features that this earth_feature provides identification for. Each potential_field_geometry_set may identify one or more local_rock_feature. Inherited from earth_feature.
- located_by (I, V: SET[0:?] spatial_object(located_object)) (C004)
- The set of spatial objects which represent alternative spatial natures of this object. Each potential_field_geometry_set may be located by one or more spatial_object. Inherited from locatable_object.
- measurement_inflection (V: SET[0:?] pty_logical_array(potential_field_meas_infl))
- Defines a logical flag for each measurement indicating whether the measurement point is an inflection point (=true) or not (=false) or of unknown status. The grid used must match the grid defined by attribute measurement uid. Each potential_field_geometry_set may have a property of one or more pty_logical_array.
- measurement_location (V: SET[0:?] pty_location_array(potential_field_meas_def))
- Defines the horizontal 2D location of each node in the array specified by measurement uid. This will be used when the acquisition grid is one dimensional. Each potential_field_geometry_set may have a property of one or more pty_location_array.
- measurement_uid (O: grid_1d_equal(measurement_uid_defined_for))
- Defines a grid and a "measurement uid" value at each node of that grid. Each node represents a point where a measurement was taken. There is no semantic meaning implied by the "uid" value other than uniqueness within the context of the grid. The same grid can be used by many other attributes which assign information to a measurement. Each potential_field_geometry_set may have measurement uid defined by one grid_1d_equal.
- measurement_vertical_location (V: SET[0:?] pty_vertical_location_array(potential_field_meas_def))
- Defines the vertical location of each measurement. The grid used must match the grid defined by measurement uid. Each potential_field_geometry_set may have a property of one or more pty_vertical_location_array.
- measurement_water_depth (V: SET[0:?] pty_water_depth_array(potential_field_geometry_set))
- Defines a water depth at each node of the grid specified by measurement uid Each potential_field_geometry_set may have a property of one or more pty_water_depth_array.
- naming_system (O, I: naming_system(earth_feature)) (C028)
- The naming system in which the identifier is defined and unique. Each potential_field_geometry_set may have name specified by one naming_system. Inherited from earth_feature.
- object_remark (I, V: SET[0:?] object_remark(business_object)) (C069, C122)
- This is a sequenced set of datable remarks for this business object. Each potential_field_geometry_set may be described by one or more object_remark. Inherited from business_object.
- offline_data (I, V: SET[0:?] geophysical_offline_data(geometry_set))
- Defines the information related to this geometry which has been stored offline. This may refer to documents such as recorders logs or it may refer to field data on tape. Each potential_field_geometry_set may be characterized by one or more geophysical_offline_data. Inherited from geophysical_geometry_set.
- primary_role (I, V: SET[0:?] space_time_operation(primary_object))
- Indicates a space/time operation for which the object is involved as a primary agent. For degeneration, this object is being degenerated. For projection, this object is being projected onto another object. For proximity, this is the container object. Each potential_field_geometry_set may be the primary object for one or more space_time_operation. Inherited from topological_object.
- primary_topological_relation (I, V: SET[0:?] topological_relationship(primary_topological_object)) (C112, C143)
- Indicates a topological relationship in which the topologic object has the role of primary agent. For a spatial predicate type of "within" this is the containing role (e.g., if a city is inside a county then the county would be the primary agent). For all other spatial predicate types the roles are symmetrical and both relationships must be searched for a particular object. For example, if a wellbore and a formation overlap then either could be chosen as the primary agent with the other chosen as the secondary agent. Each potential_field_geometry_set may be primarily involved in one or more topological_relationship. Inherited from topological_object.
- processing_grid (I, V: SET[0:?] geophysical_processing_grid(geometry_set))
- Defines the processing grids which represent this acquisition geometry. Each potential_field_geometry_set may be represented by one or more geophysical_processing_grid. Inherited from geophysical_geometry_set.
- pty_magnetic_declination (I, V: SET[0:?] pty_magnetic_declination(earth_feature)) (C012, C139)
- Each potential_field_geometry_set may have a property of one or more pty_magnetic_declination. Inherited from earth_feature.
- pty_magnetic_inclination (I, V: SET[0:?] pty_magnetic_inclination(earth_feature)) (C012)
- Each potential_field_geometry_set may have a property of one or more pty_magnetic_inclination. Inherited from earth_feature.
- satisfy_obligation (I, V: SET[0:?] contract_oblig_object_fulfil(business_object)) (C053)
- These are the contractual obligations that this business object is designated as fulfilling, either completely or partially. Each potential_field_geometry_set may satisfy one or more contract_oblig_object_fulfil. Inherited from business_object.
- secondary_topological_relation (I, V: SET[0:?] topological_relationship(secondary_topological_object)) (C112, C143)
- Indicates a topological relationship in which the object is in the role of secondary agent. For a spatial predicate type of "within" this is the contained role (e.g., if a well is within a field then the well would be the secondary agent). For all other spatial predicate types the roles are symmetrical and both relationships must be searched for a particular object. For example, if a wellbore and a formation overlap then either could be chosen as the secondary agent with the other chosen as the primary agent. Each potential_field_geometry_set may be involved in one or more topological_relationship. Inherited from topological_object.
- source_space_time_operation (I, V: SET[0:1] space_time_operation(resulting_object)) (C151)
- Indicates the space/time operation from which a topological object was the result. For addition, this is the union of two objects. For degeneration, this is the degenerate object. Each potential_field_geometry_set may be the result of one space_time_operation. Inherited from topological_object.
- station_inflection (V: SET[0:?] pty_logical_array(potential_field_stn_inflection))
- Defines a logical flag for each station indicating whether the station is an inflection point (=true) or not (=false) or of unknown status. The grid used must match the grid defined by attribute station uid. Each potential_field_geometry_set may have a property of one or more pty_logical_array.
- station_location (V: pty_location_array(potential_field_stn_definition))
- Defines the location of each node in the array specified by attribute station uid. Each potential_field_geometry_set may have a property of one pty_location_array.
- station_uid (O: grid_1d_equal(station_uid_defined_for_pf))
- Defines a 1D grid which specified a "potential field station uid" value at each node. Each node represents a surveyed station (e.g., land). There is no semantic meaning implied by the "uid" value. Each potential_field_geometry_set may have station uid defined by one grid_1d_equal.
- station_vertical_location (V: SET[0:?] pty_vertical_location_array(potential_field_stn_definition))
- Defines the vertical location of the surface at each potential field station. The grid used must match the grid defined by attribute station uid. Each potential_field_geometry_set may have a property of one or more pty_vertical_location_array.
- subject_of_contract (I, V: SET[0:?] subject_of_contract(business_object)) (C053)
- These are the contracts that specify information about the business object, and the business object is subject to the terms of these contracts. Each potential_field_geometry_set may be a subject of one or more subject_of_contract. Inherited from business_object.
- uid_definition (I, V: SET[0:?] seismic_geometry_uid_usage(uid_usage))
- Defines the set of geometries which have implied usage by this geometry set. The value of attribute seismic geometry set uid in the referenced geometry sets must be used in at least attribute of this instance. In seismic geometry set the attributes are: channel connection, receiver station or source station. In potential field geometry set the attribute is measurement seismic station. Each potential_field_geometry_set may have uid defined one or more seismic_geometry_uid_usage. Inherited from geophysical_geometry_set.
- unique_part (I, V: SET[0:?] earth_feature(unique_within)) (C133)
- These are the other earth features for which this earth feature is a unique part of their identities Each potential_field_geometry_set may identify one or more earth_feature. Inherited from earth_feature.
- used_by (I, V: SET[0:?] geophysical_geom_derivation(derived_from))
- Defines the geometry sets which were derived from this set. Each potential_field_geometry_set may be used by one or more geophysical_geom_derivation. Inherited from geophysical_geometry_set.
- utilized_facility (I, V: SET[0:?] geophysical_facility_uid_usage(geometry_set))
- Defines the set of facilities which are utilized by this geometry set. Each potential_field_geometry_set may utilize one or more geophysical_facility_uid_usage. Inherited from geophysical_geometry_set.
- version (O, I: ref_version(earth_feature)) (C042, C126)
- This describes the version of this instance as defined by the provider. Each potential_field_geometry_set may version one ref_version. Inherited from earth_feature.
- well_log (I, V: SET[0:?] well_log(earth_feature)) (C133)
- Well logs may contain information, such as well log traces, typical of an earth feature. Each potential_field_geometry_set may be described by one or more well_log. Inherited from earth_feature.
- well_log_trace (I, V: SET[0:?] well_log_trace(earth_feature)) (C115)
- These are the log traces which are representative of this feature. Each potential_field_geometry_set may be characterized by one or more well_log_trace. Inherited from earth_feature.
Local rules:
- Uniqueness Constraint (C133)
- identifier, unique_within, part_of
- Instance Value Constraint
-
For each instance, MEASUREMENT UID must be defined if any of the following are defined: MEASUREMENT TIME, MEASUREMENT INDEX, MEASUREMENT NAME, MEASUREMENT WATER DEPTH, MEASUREMENT LOCATION, MEASUREMENT VERTICAL LOCATION, MEASUREMENT SEISMIC STATION, MEASUREMENT INFLECTION, MEASUREMENT FACILITY, MEASUREMENT SENSOR FACILITY.
- Instance Value Constraint (C137)
-
For each instance, if either UID DEFINITION or MEASUREMENT SEISMIC STATION is defined then both must be defined.
- Instance Value Constraint
-
For each instance, if MEASUREMENT TIME is defined then MEASUREMENT TIME ORIGIN must be defined
- Instance Value Constraint
-
For each instance, if DATA GRID USE is defined then either MEASUREMENT UID or STATION UID must be defined.
- Instance Value Constraint
-
For each instance, if MEASUREMENT STATION is specified then MEASUREMENT LOCATION, MEASUREMENT VERTICAL LOCATION, MEASUREMENT INDEX, MEASUREMENT INFLECTION and MEASUREMENT WATER DEPTH cannot be specified.
- Instance Value Constraint
-
For each instance, STATION UID must be defined if any of the following are defined: STATION INDEX, STATION NAME, STATION LOCATION, STATION VERTICAL LOCATION, STATION INFLECTION.
Supertype path(s):
Referenced in Diagrams:
Generated on Tue Jul 10 15:45:33 2001
© Copyright 2001 POSC. All rights reserved.