| Name | SEGD_Header_Info |
|---|---|
| Entity Type | Table |
| Description | Defines the values from SEGD header of the geophysical inventory associated with the seismic acquisition. SEGD header is a standard defined by SEG to help in exchanging acquisition seismic data among the vendors. |
| Submodel | Seismic |
| Entity Scope | Project |
| Primary Key | Id |
| Natural Key | |
| Generalizations | Entity , IT_Object , Tracked_Object |
| Specializations |
| Name | Value Domain | Property / Storage Unit | Description | Required / Default | Type |
|---|---|---|---|---|---|
| Acquisition_2D_Id | Acquisition_2D |
|
Refers to SEGD information of 2D seismic acquisition dataset. | No |
NUMBER(38) |
| Acquisition_3D_Id | Acquisition_3D |
|
Refers to SEGD information of 3D seismic acquisition dataset. | No |
NUMBER(38) |
| Existence_Kind | REF_EXISTENCE_KIND | NA |
A reference value that describes the state of existence in the lifecycle of the entity, for example, Planned, Predicted, Required, Simulated, and Actual. | Yes Actual |
VARCHAR2(64) |
| Field_File | int | No_Unit |
Field file number of the acquisition seismic data file. | No |
NUMBER(10) |
| Format_Code | int | No_Unit |
SEGD format code associated with acquisition seismic data. | No |
NUMBER(10) |
| GUID | STRING128 | NA |
Globally Unique IDentifier for an instance of a class. USAGE NOTES: There are two cases: 1) GUID is not populated or used; and 2) it is populated with a value that is globally unique. If the GUID is populated there are two means of doing so for a given project: 2a) Seabed automatically generates and populates the GUID when an instance is created (valid only on Oracle based systems); and 2b) the GUID is generated and populated by an application (other than Seabed) on instance creation. Whether Seabed automatically generates GUIDs for a project is determined by the Auto_GUID flag in SDS_Account. Note that techniques 2a and 2b can coexist in the same project. When GUIDs are automatically generated an application can override the automatically generated GUID with its own GUID by simply supplying the GUID value. Applications that generate their own GUIDs and populate the GUID column will function correctly on projects which have automatic GUID generation turned on. | No |
VARCHAR2(128) |
| Id | ID | No_Unit |
Unique identifier for this entity. | Yes |
NUMBER(38) |
| Insert_Date | DATE | NA |
Date the entity was created in the repository | No |
DATE |
| Insert_User | STRING64 | NA |
The name of the user responsible for the creation of this entity in the repository. | No |
VARCHAR2(64) |
| Line_Number | STRING255 | NA |
Line number associated with acquisition seismic data, | No |
VARCHAR2(255) |
| Name | ENTITY_NAME | NA |
The name given to any object or data item, e.g. name of Well, name of Field, etc. | No |
VARCHAR2(255) |
| Original_Source | STRING64 | NA |
The name of the person, Organization or project source that originally provided this entity, e.g. "IHS-EnergyData" or "FinderUpper Stratton Deeper Pool 15" | No |
VARCHAR2(64) |
| Produced_By | STRING64 | NA |
The name of application role that created the entity, for data created programmatically. | No |
VARCHAR2(64) |
| Record_Date | DATE | NA |
Date of seismic acquisition record. It is derived from Year, Julian Day, Hour, Minute and seconds of seismic record. | No |
DATE |
| Record_Length | int | No_Unit |
Record length of trace record | No |
NUMBER(10) |
| Remarks | STRING2000 | NA |
Any type of remarks added to an entity instance. | No |
VARCHAR2(2000) |
| SDAT_Label | int | No_Unit |
Label used by the security system for entitlements. SDAT is Secure Data Access Technology. | No |
NUMBER(10) |
| Sample_Interval | double | No_Unit |
Seismic acquisition sample interval | No |
NUMBER |
| Source | STRING64 | NA |
Name of the person or organization responsible for this entitys E and P content and quality. Not the data technologist or IT expert creating the entity, for which see IT_Object.Insert_User and Update_User. | No |
VARCHAR2(64) |
| Update_Date | DATE | NA |
Date of the most-recent modification to the entity. | No |
DATE |
| Update_User | STRING64 | NA |
The name of the user responsible for the last modification to this entity. | No |
VARCHAR2(64) |
| Version | STRING255 | NA |
The form or variant of the entity. | Yes 1 |
VARCHAR2(255) |
| Link | To Entity | Description | Implementation Technique | Required |
|---|---|---|---|---|
| Acquisition_2D | Acquisition_2D | Refers to SEGD information of 2D seismic acquisition dataset. | Cascade | No |
| Acquisition_3D | Acquisition_3D | Refers to SEGD information of 3D seismic acquisition dataset. | Cascade | No |