| 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 / Measurement | 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. This GUID is not generated by the database, but is the GUID used by the application on first access of this object. Use of this property is optional and completely under the control of application developers. | 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 |
ID of the activity that was executing when the entity was created, 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 entity"s 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 |