POSC Specifications: Epicentre Version 3.0 | Logical Data Model |
This describes the orientation of a geologic feature intersected by this wellbore. This orientation is described with respect to vertical and north, not relative to the axis of the wellbore. The geologic feature is defined by the wellbore pick.
- wellbore_pick (O, K: wellbore_pick(pty_geologic_feature_orient))
- This is the wellbore pick that is the intersection of the geologic feature and the wellbore. Both the wellbore and the geologic feature are defined by this pick. Each pty_geologic_feature_orient may be a property of one wellbore_pick.
- activity (O, K, I: activity(process_data))
- Defines the activity which created this instance. Each pty_geologic_feature_orient may be the result of one activity. Inherited from process_data.
- azimuth (O: ndt_azimuth) (C150)
- This is the azimuth of a geologic at this pick in this wellbore . This azimuth is measured in the horizontal plane from north. When provided, the attribute ref north axis direction defines the type of north used.
- description (O, I: ndt_comment) (C117)
- A remark or comment about the instance. Inherited from e_and_p_data.
- inclination_from_horizontal (O: ndt_plane_angle)
- This describes the inclination of the geologic feature at this pick where it is intersected by this wellbore.
- 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.
- preferred_flag (O, I: ndt_boolean)
- The flag is set to True if this instance of property is the preferred value in this data store of this type of property for the object which this property describes. Inherited from property.
- 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.
- 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 pty_geologic_feature_orient may be a member of one or more data_collection_content. Inherited from e_and_p_data.
- 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 pty_geologic_feature_orient may be included in one or more document_information_content. Inherited from e_and_p_data.
- graphical_element (I, V: SET[0:?] graphical_element(depicted_object))
- Specifies one or more graphical elements which are depicting this data item. Each pty_geologic_feature_orient may be depicted by one or more graphical_element. Inherited from e_and_p_data.
- process_data_item (I, V: SET[0:?] process_data_item(process_data))
- Defines where this data was used by an activity. Each pty_geologic_feature_orient may be the value for one or more process_data_item. Inherited from process_data.
- ref_north_axis_direction (O: ref_north_axis_direction(pty_geologic_feature_orient)) (C138)
- This describes the type of north used for the azimuth. Possible values include true north, magnetic north, and local grid north. Each pty_geologic_feature_orient may have an orientation relative to one ref_north_axis_direction.
- represent (O, I: property(representations)) (C125)
- This is the property that is the original for which this representation is an equivalent representation. Each pty_geologic_feature_orient may be an equivalent representation of one property. Inherited from property.
- representations (I, V: SET[0:?] property(represent)) (C125)
- This designates other properties that are stated to be equivalent representations of this property representation, such as the same geometry using another coordinate system. Each pty_geologic_feature_orient may have as equivalent representations one or more property. Inherited from property.
Local rules:
- Uniqueness Constraint
- wellbore_pick, activity
- [I: property] Mandatory Relationship Set
-
Each PROPERTY must "be a property of" one object.
Supertype path(s):
Generated on Tue Jul 10 15:48:10 2001
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