This file is based on a table of information on the Stratton Field in Texas. The data is supplied by the Bureau of Economic Geology of the state of Texas.
A table of data for 23 wells was supplied. Following is the 36 columns of data in the well information table. it includes some basic information on the well, and then contains 30 picks of 10 horizons. Each horizon has a kelly bushing depth, a sea level depth, and a two-way seismic travel time. Note that a 99999 represent a null field. The column names are given below, along with the data from the first well. Once the first well is done, all other wells follow the same pattern.
| Column name | Well #1 value |
|---|---|
| Well no. | 1 |
| Inline (EW lines) | 94 |
| Crossline (NS lines) | 60 |
| Elevation (kelly bushing [KB]) | 111 |
| X | 3245 |
| Y | 5115 |
| B46 KB datum | 4790 |
| B46 Sea-level (SL) datum | 4679 |
| B46 Two-way time (ms) | 1262 |
| C38 KB datum | 5150 |
| C38 SL datum | 5039 |
| C38 Two-way time (ms) | 1333 |
| D11 KB datum | 5445 |
| D11 SL datum | 5334 |
| D11 Two-way time (ms) | 1391 |
| D18 KB datum | 5570 |
| D18 SL datum | 5459 |
| D18 Two-way time (ms) | 1416 |
| E41 KB datum | 6260 |
| E41 SL datum | 6149 |
| E41 Two-way time (ms) | 1553 |
| E49 KB datum | 6322 |
| E49 SL datum | 6211 |
| E49 Two-way time (ms) | 1565 |
| F11 KB datum | 6420 |
| F11 SL datum | 6309 |
| F11 Two-way time (ms) | 1585 |
| F21 KB datum | 99999 |
| F21 SL datum | 99999 |
| F21 Two-way time (ms) | 99999 |
| F37 KB datum | 99999 |
| F37 SL datum | 99999 |
| F37 Two-way time (ms) | 99999 |
| F39 KB datum | 99999 |
| F39 SL datum | 99999 |
| F39 Two-way time (ms) | 99999 |
Following is an example EntityLoader file for the single well above. Note that EntityLoader treats a single well completely before going to the next well.
The EntityLoader file is given in
preformatted courier text.Inline comments will be in italicized color . These comments may not be a part of the load file.
Refer to the EntityLoader documentation in Appendix H of the Data Access and Exchange Specification for documentation of the commands.
Begin by looking up some instance handles. These are mostly reference entities and standard values. LOOKUP actual VALUE ref_existence_kind name actual LOOKUP loc_field VALUE ref_naming_system kind local field LOOKUP ilab VALUE ref_source name ILAB LOOKUP earth2d VALUE ref_coordinate_system_constraint name earth 2d LOOKUP mdsys VALUE ref_coordinate_system_constraint name measured depth system LOOKUP vertsys VALUE ref_coordinate_system_constraint name vertical system LOOKUP kbpt VALUE ref_wellbore_point name kelly bushing LOOKUP inside VALUE ref_object_intersection kind inside LOOKUP is_within VALUE ref_well_surface_feature_role kind is located within LOOKUP mdepth VALUE ref_quantity_property name measured depth LOOKUP twotime VALUE ref_quantity_property name seismic time LOOKUP sealevel VALUE local_spatial_coordinate_system identifier sea level elevation Here is some information loaded earlier. LOOKUP stratton_field VALUE regulatory_field identifier Stratton-Agua Dulce field LOOKUP stratton_area VALUE general_surface_area identifier Stratton Agua Dulce field If an instance exists, use it. If not, create it. IF_NEXISTS labelaa csorig VALUE ref_other_earth_point kind coordinate system origin ENTITY ref_other_earth_surface_point csorig ATTRIBUTE kind DAE_C_STRING VALUE coordinate system origin ATTRIBUTE description DAE_C_STRING VALUE A point that serves as an origin to a coordinate system. ATTRIBUTE source DAE_C_INSTANCE VALUE HANDLE ilab LABEL labelaa This sets up some local coordinate systems to be used for the project. These are instantiated once. ENTITY general_earth_surface_point swcorner ATTRIBUTE identifier DAE_C_STRING VALUE SW Corner, Stratton Field area ATTRIBUTE description DAE_C_STRING VALUE The South West Corner of the seismic survey supplied by the BEG, in the Stratton Field. Location unknown. ATTRIBUTE ref_other_earth_point DAE_C_INSTANCE VALUE HANDLE csorig ENTITY general_coordinate_system_axis xaxis ATTRIBUTE ref_quantity_property DAE_C_INSTANCE VALUE ref_quantity_property name x ENTITY general_coordinate_system_axis yaxis ATTRIBUTE ref_quantity_property DAE_C_INSTANCE VALUE ref_quantity_property name y ENTITY local_spatial_coordinate_system xysystem ATTRIBUTE identifier DAE_C_STRING VALUE Stratton local coordinate system ATTRIBUTE ref_coordinate_system_constraint DAE_C_INSTANCE VALUE HANDLE earth2d ATTRIBUTE source DAE_C_INSTANCE VALUE HANDLE ilab ATTRIBUTE description DAE_C_STRING VALUE Local 2d coordinate system with origin at southwestern corner of the Stratton field. Supplied by the BEG ATTRIBUTE coordinate_system_axis DAE_AGG_LIST DAE_C_INSTANCE VALUE HANDLE xaxis VALUE HANDLE yaxis ATTRIBUTE earth_surface_feature DAE_AGG_SET DAE_C_INSTANCE VALUE HANDLE stratton_field ATTRIBUTE vertex DAE_C_INSTANCE VALUE HANDLE swcorner ENTITY vertical_time_system_axis vtaxis ATTRIBUTE ref_quantity_property DAE_C_INSTANCE VALUE HANDLE twotime ATTRIBUTE description DAE_C_STRING VALUE Two way P wave travel time from sea level ATTRIBUTE vertical_datum DAE_C_INSTANCE VALUE geoid identifier Mean Sea Level ENTITY local_spatial_coordinate_system time ATTRIBUTE identifier DAE_C_STRING VALUE Two way time system ATTRIBUTE ref_coordinate_system_constraint DAE_C_INSTANCE VALUE HANDLE vertsys ATTRIBUTE source DAE_C_INSTANCE VALUE HANDLE ilab ATTRIBUTE coordinate_system_axis DAE_AGG_LIST DAE_C_INSTANCE VALUE HANDLE vtaxis All the above is done once. The information captured above can be reused for each well.
Now begin the wells. Only well #1 is actually done in this example.
The first four entities duplicate the type of information in the refLoadLevelOne example. ENTITY well well ATTRIBUTE identifier DAE_C_STRING VALUE Stratton #1 ATTRIBUTE ref_existence_kind DAE_C_INSTANCE VALUE HANDLE actual ATTRIBUTE ref_naming_system DAE_C_INSTANCE VALUE HANDLE loc_field ENTITY well_surface_feature_role ATTRIBUTE well DAE_C_INSTANCE VALUE HANDLE well ATTRIBUTE earth_surface_feature DAE_C_INSTANCE VALUE HANDLE stratton_field ATTRIBUTE ref_well_surface_feature_role DAE_C_INSTANCE VALUE HANDLE is_within ENTITY wellbore wbore ATTRIBUTE identifier DAE_C_STRING VALUE Stratton #1 ATTRIBUTE ref_existence_kind DAE_C_INSTANCE VALUE HANDLE actual ATTRIBUTE ref_naming_system DAE_C_INSTANCE VALUE HANDLE loc_field ATTRIBUTE well DAE_C_INSTANCE VALUE HANDLE well ENTITY well_surface_point wsp ATTRIBUTE identifier DAE_C_STRING VALUE Stratton #1 ATTRIBUTE well DAE_C_INSTANCE VALUE HANDLE well Give some locations (x,y) and elevations ENTITY pty_location_2d ATTRIBUTE well_surface_point DAE_C_INSTANCE VALUE HANDLE wsp ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE xysystem NULL 2 3245 ft 5115 ft ENTITY kelly_bushing_reference kelly ATTRIBUTE identifier DAE_C_STRING VALUE kelly bushing for Stratton #1 ATTRIBUTE ref_existence_kind DAE_C_INSTANCE VALUE HANDLE actual ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ENTITY general_wellbore_point kb ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ATTRIBUTE identifier DAE_C_STRING VALUE kelly bushing for Stratton #1 ATTRIBUTE ref_wellbore_point DAE_C_INSTANCE VALUE HANDLE kbpt ATTRIBUTE wellbore_component_facility DAE_C_INSTANCE VALUE HANDLE kelly ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE kb ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE sealevel NULL 1 111 ft Create a measured depth coordinate system for the well. Each well will have its own. Measured depths will be given referencing this coordinate system. ENTITY measured_depth_system_axis mdaxis ATTRIBUTE ref_quantity_property DAE_C_INSTANCE VALUE HANDLE mdepth ENTITY local_spatial_coordinate_system mdcs ATTRIBUTE identifier DAE_C_STRING VALUE Stratton #1 MD system ATTRIBUTE ref_coordinate_system_constraint DAE_C_INSTANCE VALUE HANDLE mdsys ATTRIBUTE source DAE_C_INSTANCE VALUE HANDLE ilab ATTRIBUTE coordinate_system_axis DAE_AGG_LIST DAE_C_INSTANCE VALUE HANDLE mdaxis Ready to store picks. Lookup previously stored marker names. LOOKUP B46 VALUE lithostratigraphic_marker identifier B46 LOOKUP C38 VALUE lithostratigraphic_marker identifier C38 LOOKUP D11 VALUE lithostratigraphic_marker identifier D11 LOOKUP D18 VALUE lithostratigraphic_marker identifier D18 LOOKUP E41 VALUE lithostratigraphic_marker identifier E41 LOOKUP E49 VALUE lithostratigraphic_marker identifier E49 LOOKUP F11 VALUE lithostratigraphic_marker identifier F11 LOOKUP F21 VALUE lithostratigraphic_marker identifier F21 LOOKUP F37 VALUE lithostratigraphic_marker identifier F37 LOOKUP F39 VALUE lithostratigraphic_marker identifier F39 LOOKUP tvdsl VALUE local_spatial_coordinate_system identifier tvd from sea level LOOKUP gpick VALUE ref_wellbore_point name geologic pick For each pick, Create a point. Give the measured depth (in coordinate system mdcs) Give the true vertical depth (in coordinate system tvdsl) Give the two way travel time (in coordinate system time) Note that the pattern is the same for each location that is stored. ENTITY general_wellbore_point wbpt ATTRIBUTE identifier DAE_C_STRING VALUE B46 Stratton #1 ATTRIBUTE description DAE_C_STRING VALUE Pick for reservoir horizon B46 in Stratton #1 ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ATTRIBUTE geologic_feature DAE_C_INSTANCE VALUE HANDLE B46 ATTRIBUTE ref_wellbore_point DAE_C_INSTANCE VALUE HANDLE gpick ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE mdcs NULL 1 4790 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE tvdsl NULL 1 4679 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE time NULL 1 1262 msec ENTITY general_wellbore_point wbpt ATTRIBUTE identifier DAE_C_STRING VALUE C38 Stratton #1 ATTRIBUTE description DAE_C_STRING VALUE Pick for reservoir horizon C38 in Stratton #1 ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ATTRIBUTE geologic_feature DAE_C_INSTANCE VALUE HANDLE C38 ATTRIBUTE ref_wellbore_point DAE_C_INSTANCE VALUE HANDLE gpick ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE mdcs NULL 1 5150 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE tvdsl NULL 1 5039 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE time NULL 1 1333 msec ENTITY general_wellbore_point wbpt ATTRIBUTE identifier DAE_C_STRING VALUE D11 Stratton #1 ATTRIBUTE description DAE_C_STRING VALUE Pick for reservoir horizon D11 in Stratton #1 ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ATTRIBUTE geologic_feature DAE_C_INSTANCE VALUE HANDLE D11 ATTRIBUTE ref_wellbore_point DAE_C_INSTANCE VALUE HANDLE gpick ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE mdcs NULL 1 5445 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE tvdsl NULL 1 5334 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE time NULL 1 1391 msec ENTITY general_wellbore_point wbpt ATTRIBUTE identifier DAE_C_STRING VALUE D18 Stratton #1 ATTRIBUTE description DAE_C_STRING VALUE Pick for reservoir horizon D18 in Stratton #1 ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ATTRIBUTE geologic_feature DAE_C_INSTANCE VALUE HANDLE D18 ATTRIBUTE ref_wellbore_point DAE_C_INSTANCE VALUE HANDLE gpick ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE mdcs NULL 1 5570 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE tvdsl NULL 1 5459 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE time NULL 1 1416 msec ENTITY general_wellbore_point wbpt ATTRIBUTE identifier DAE_C_STRING VALUE E41 Stratton #1 ATTRIBUTE description DAE_C_STRING VALUE Pick for reservoir horizon E41 in Stratton #1 ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ATTRIBUTE geologic_feature DAE_C_INSTANCE VALUE HANDLE E41 ATTRIBUTE ref_wellbore_point DAE_C_INSTANCE VALUE HANDLE gpick ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE mdcs NULL 1 6260 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE tvdsl NULL 1 6149 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE time NULL 1 1553 msec ENTITY general_wellbore_point wbpt ATTRIBUTE identifier DAE_C_STRING VALUE E49 Stratton #1 ATTRIBUTE description DAE_C_STRING VALUE Pick for reservoir horizon E49 in Stratton #1 ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ATTRIBUTE geologic_feature DAE_C_INSTANCE VALUE HANDLE E49 ATTRIBUTE ref_wellbore_point DAE_C_INSTANCE VALUE HANDLE gpick ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE mdcs NULL 1 6322 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE tvdsl NULL 1 6211 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE time NULL 1 1565 msec ENTITY general_wellbore_point wbpt ATTRIBUTE identifier DAE_C_STRING VALUE F11 Stratton #1 ATTRIBUTE description DAE_C_STRING VALUE Pick for reservoir horizon F11 in Stratton #1 ATTRIBUTE wellbore DAE_C_INSTANCE VALUE HANDLE wbore ATTRIBUTE geologic_feature DAE_C_INSTANCE VALUE HANDLE F11 ATTRIBUTE ref_wellbore_point DAE_C_INSTANCE VALUE HANDLE gpick ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE mdcs NULL 1 6420 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE tvdsl NULL 1 6309 ft ENTITY pty_location_1d ATTRIBUTE wellbore_point DAE_C_INSTANCE VALUE HANDLE wbpt ATTRIBUTE data_value DAE_C_LOC_QTY_REAL VALUE HANDLE time NULL 1 1585 msec
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