diff --git a/las_geoh5/export_directories/uijson.py b/las_geoh5/export_directories/uijson.py
index b9db22d..b32eb96 100644
--- a/las_geoh5/export_directories/uijson.py
+++ b/las_geoh5/export_directories/uijson.py
@@ -6,32 +6,30 @@
 #  (see LICENSE file at the root of this source code package).
 #
 
+from copy import deepcopy
 
-ui_json = {
-    "title": "Drillhole group to LAS file directories",
-    "geoh5": None,
-    "run_command": "las_geoh5.export_directories.driver",
-    "run_command_boolean": {
-        "value": False,
-        "label": "Run python module",
-        "main": True,
-        "tooltip": "Warning: launches process to run python model on save",
-    },
-    "monitoring_directory": None,
-    "conda_environment": "las-geoh5",
-    "conda_environment_boolean": False,
-    "workspace": None,
-    "drillhole_group": {
-        "main": True,
-        "label": "Drillhole group",
-        "value": None,
-        "groupType": ["{825424fb-c2c6-4fea-9f2b-6cd00023d393}"],
-    },
-    "name": {
-        "main": True,
-        "label": "Property group name",
-        "value": None,
-        "optional": True,
-        "enabled": False,
+from geoh5py.ui_json.constants import default_ui_json
+
+# pylint: disable=duplicate-code
+
+ui_json = dict(
+    deepcopy(default_ui_json),
+    **{
+        "title": "Drillhole group to LAS file directories",
+        "run_command": "las_geoh5.export_directories.driver",
+        "conda_environment": "las-geoh5",
+        "drillhole_group": {
+            "main": True,
+            "label": "Drillhole group",
+            "value": None,
+            "groupType": ["{825424fb-c2c6-4fea-9f2b-6cd00023d393}"],
+        },
+        "name": {
+            "main": True,
+            "label": "Property group name",
+            "value": None,
+            "optional": True,
+            "enabled": False,
+        },
     },
-}
+)
diff --git a/las_geoh5/import_directories/uijson.py b/las_geoh5/import_directories/uijson.py
index ed964f2..47eec9f 100644
--- a/las_geoh5/import_directories/uijson.py
+++ b/las_geoh5/import_directories/uijson.py
@@ -15,5 +15,6 @@
     **{
         "title": "LAS file directories to Drillhole group",
         "run_command": "las_geoh5.import_directories.driver",
+        "conda_environment": "las-geoh5",
     }
 )
diff --git a/las_geoh5/import_files/driver.py b/las_geoh5/import_files/driver.py
index 8962ed0..f987794 100644
--- a/las_geoh5/import_files/driver.py
+++ b/las_geoh5/import_files/driver.py
@@ -24,17 +24,40 @@
 from las_geoh5.import_files.params import ImportOptions, NameOptions
 from las_geoh5.import_las import las_to_drillhole
 
-logger = logging.getLogger("Import Files")
-logger.setLevel(logging.INFO)
-stream_handler = logging.StreamHandler()
-file_handler = logging.FileHandler("import_las_files.log")
-formatter = logging.Formatter("%(asctime)s : %(name)s : %(levelname)s : %(message)s")
-file_handler.setFormatter(formatter)
-stream_handler.setFormatter(formatter)
-file_handler.setLevel(logging.INFO)
-stream_handler.setLevel(logging.INFO)
-logger.addHandler(file_handler)
-logger.addHandler(stream_handler)
+
+def get_logger(
+    name: str, level: int = logging.INFO, path: str | Path | None = None
+) -> logging.Logger:
+    """
+    Create a looger with stream and optional file handlers.
+
+    :param name: Logger name.
+    :param level: logging level.
+    :param path: Creates a file handler at the specified path if not None.
+    :return: Logger object.
+    """
+    if isinstance(path, str):
+        path = Path(path)
+
+    logger = logging.getLogger(name)
+    logger.setLevel(level)
+    formatter = logging.Formatter(
+        "%(asctime)s : %(name)s : %(levelname)s : %(message)s"
+    )
+
+    stream_handler = logging.StreamHandler()
+    stream_handler.setFormatter(formatter)
+    stream_handler.setLevel(level)
+    logger.addHandler(stream_handler)
+
+    if path is not None:
+        filename = f"{'_'.join([k.lower() for k in name.split(' ')])}.log"
+        file_handler = logging.FileHandler(path / filename)
+        file_handler.setFormatter(formatter)
+        file_handler.setLevel(level)
+        logger.addHandler(file_handler)
+
+    return logger
 
 
 def elapsed_time_logger(start, end, message):
@@ -53,10 +76,11 @@ def elapsed_time_logger(start, end, message):
     return out
 
 
-def run(filepath: str):  # pylint: disable=too-many-locals
+def run(filepath: Path):  # pylint: disable=too-many-locals
     start = time()
     ifile = InputFile.read_ui_json(filepath)
 
+    logger = get_logger("Import Files", path=filepath.parent)
     logger.info(
         "Importing las file data to workspace %s.geoh5.",
         ifile.data["geoh5"].h5file.stem,
@@ -65,6 +89,9 @@ def run(filepath: str):  # pylint: disable=too-many-locals
     workspace = Workspace()
     begin_reading = time()
 
+    # lasfiles = []
+    # for file in ifile.data["files"].split(";"):
+    #     lasfiles.append(lasio.read(file, mnemonic_case="preserve"))
     with Pool() as pool:
         futures = []
         for file in tqdm(ifile.data["files"].split(";"), desc="Reading las files"):
@@ -105,9 +132,9 @@ def run(filepath: str):  # pylint: disable=too-many-locals
     )
     end = time()
     logger.info(elapsed_time_logger(start, end, "All done."))
-    logpath = Path(file_handler.baseFilename)
+    logpath = Path(logger.handlers[1].baseFilename)  # type: ignore
     dh_group.add_file(logpath)
-    file_handler.close()
+    logger.handlers[1].close()
     logpath.unlink()
 
     if ifile.data["monitoring_directory"]:
@@ -130,4 +157,4 @@ def run(filepath: str):  # pylint: disable=too-many-locals
 
 
 if __name__ == "__main__":
-    run(sys.argv[1])
+    run(Path(sys.argv[1]))
diff --git a/las_geoh5/import_files/params.py b/las_geoh5/import_files/params.py
index eb67901..8476037 100644
--- a/las_geoh5/import_files/params.py
+++ b/las_geoh5/import_files/params.py
@@ -8,7 +8,6 @@
 from pydantic import BaseModel, ConfigDict, model_validator
 
 LAS_GEOH5_STANDARD = {
-    "depth_name": "DEPTH",
     "collar_x_name": "X",
     "collar_y_name": "Y",
     "collar_z_name": "ELEV",
@@ -19,14 +18,12 @@ class NameOptions(BaseModel):
     """
     Stores options for naming of dillhole parameters in las files.
 
-    :param depth_name: Name of the depth field.
     :param collar_x_name: Name of the collar x field.
     :param collar_y_name: Name of the collar y field.
     :param collar_z_name: Name of the collar z field.
     """
 
     well_name: str = "WELL"
-    depth_name: str = "DEPTH"
     collar_x_name: str = "X"
     collar_y_name: str = "Y"
     collar_z_name: str = "ELEV"
diff --git a/las_geoh5/import_files/uijson.py b/las_geoh5/import_files/uijson.py
index c36d864..047b37a 100644
--- a/las_geoh5/import_files/uijson.py
+++ b/las_geoh5/import_files/uijson.py
@@ -8,17 +8,21 @@
 
 from copy import deepcopy
 
-from las_geoh5.export_directories.uijson import ui_json
+from geoh5py.ui_json.constants import default_ui_json
+
+# pylint: disable=duplicate-code
 
 ui_json = dict(
-    deepcopy(ui_json),
+    deepcopy(default_ui_json),
     **{
         "title": "LAS files to Drillhole group",
         "run_command": "las_geoh5.import_files.driver",
-        "name": {
+        "conda_environment": "las-geoh5",
+        "drillhole_group": {
             "main": True,
-            "label": "Name",
-            "value": "",
+            "label": "Drillhole group",
+            "value": None,
+            "groupType": ["{825424fb-c2c6-4fea-9f2b-6cd00023d393}"],
         },
         "files": {
             "main": True,
@@ -28,44 +32,52 @@
             "fileType": ["las"],
             "fileMulti": True,
         },
-        "depths_name": {
-            "label": "Depths",
-            "value": "DEPTH",
-            "group": "Import fields",
-            "optional": True,
-            "enabled": False,
+        "name": {
+            "main": True,
+            "label": "Property group name",
+            "group": "Property group",
+            "value": "",
+        },
+        "collocation_tolerance": {
+            "main": True,
+            "label": "Collocation tolerance",
+            "group": "Property group",
+            "value": 0.01,
+            "tooltip": (
+                "Tolerance for determining collocation of data locations "
+                "and ultimately deciding if incoming data should belong to "
+                "an existing property group.",
+            ),
         },
         "collar_x_name": {
-            "label": "Collar x",
+            "main": True,
+            "label": "Easting",
+            "tooltip": "Name of header field containing the collar easting.",
             "value": "X",
-            "group": "Import fields",
+            "group": "Collar",
             "optional": True,
             "enabled": False,
         },
         "collar_y_name": {
-            "label": "Collar y",
+            "main": True,
+            "label": "Northing",
+            "tooltip": "Name of header field containing the collar northing.",
             "value": "Y",
-            "group": "Import fields",
+            "group": "Collar",
             "optional": True,
             "enabled": False,
         },
         "collar_z_name": {
-            "label": "Collar z",
+            "main": True,
+            "tooltip": "Name of header field containing the collar elevation.",
+            "label": "Elevation",
             "value": "ELEV",
-            "group": "Import fields",
+            "group": "Collar",
             "optional": True,
             "enabled": False,
         },
-        "collocation_tolerance": {
-            "label": "Collocation tolerance",
-            "value": 0.01,
-            "tooltip": (
-                "Tolerance for determining collocation of data locations "
-                "and ultimately deciding if incoming data should belong to "
-                "an existing property group.",
-            ),
-        },
         "skip_empty_header": {
+            "main": True,
             "label": "Skip empty header",
             "value": False,
             "tooltip": (
@@ -75,6 +87,7 @@
             ),
         },
         "warnings": {
+            "main": True,
             "label": "Warnings",
             "value": True,
             "tooltip": "Show warnings during import.",
diff --git a/las_geoh5_assets/uijson/export_las_directories.ui.json b/las_geoh5_assets/uijson/export_las_directories.ui.json
index b98c29e..796fb17 100644
--- a/las_geoh5_assets/uijson/export_las_directories.ui.json
+++ b/las_geoh5_assets/uijson/export_las_directories.ui.json
@@ -4,9 +4,9 @@
     "run_command": "las_geoh5.export_directories.driver",
     "run_command_boolean": {
         "value": false,
-        "label": "Run python module",
-        "main": true,
-        "tooltip": "Warning: launches process to run python model on save"
+        "label": "Run python module ",
+        "tooltip": "Warning: launches process to run python model on save",
+        "main": true
     },
     "monitoring_directory": "",
     "conda_environment": "las-geoh5",
@@ -27,4 +27,4 @@
         "optional": true,
         "enabled": false
     }
-}
+}
\ No newline at end of file
diff --git a/las_geoh5_assets/uijson/import_las_directories.ui.json b/las_geoh5_assets/uijson/import_las_directories.ui.json
index 4cbde48..266aec8 100644
--- a/las_geoh5_assets/uijson/import_las_directories.ui.json
+++ b/las_geoh5_assets/uijson/import_las_directories.ui.json
@@ -4,9 +4,9 @@
     "run_command": "las_geoh5.import_directories.driver",
     "run_command_boolean": {
         "value": false,
-        "label": "Run python module",
-        "main": true,
-        "tooltip": "Warning: launches process to run python model on save"
+        "label": "Run python module ",
+        "tooltip": "Warning: launches process to run python model on save",
+        "main": true
     },
     "monitoring_directory": "",
     "conda_environment": "las-geoh5",
@@ -27,4 +27,4 @@
         "optional": true,
         "enabled": false
     }
-}
+}
\ No newline at end of file
diff --git a/las_geoh5_assets/uijson/import_las_files.ui.json b/las_geoh5_assets/uijson/import_las_files.ui.json
index 0ed0e7a..4bc7ace 100644
--- a/las_geoh5_assets/uijson/import_las_files.ui.json
+++ b/las_geoh5_assets/uijson/import_las_files.ui.json
@@ -4,9 +4,9 @@
     "run_command": "las_geoh5.import_files.driver",
     "run_command_boolean": {
         "value": false,
-        "label": "Run python module",
-        "main": true,
-        "tooltip": "Warning: launches process to run python model on save"
+        "label": "Run python module ",
+        "tooltip": "Warning: launches process to run python model on save",
+        "main": true
     },
     "monitoring_directory": "",
     "conda_environment": "las-geoh5",
@@ -20,11 +20,6 @@
             "{825424fb-c2c6-4fea-9f2b-6cd00023d393}"
         ]
     },
-    "name": {
-        "main": true,
-        "label": "Name",
-        "value": ""
-    },
     "files": {
         "main": true,
         "label": "Files",
@@ -37,47 +32,58 @@
         ],
         "fileMulti": true
     },
-    "depths_name": {
-        "label": "Depths",
-        "value": "DEPTH",
-        "group": "Import fields",
-        "optional": true,
-        "enabled": false
+    "name": {
+        "main": true,
+        "label": "Property group name",
+        "group": "Property group",
+        "value": ""
+    },
+    "collocation_tolerance": {
+        "main": true,
+        "label": "Collocation tolerance",
+        "group": "Property group",
+        "value": 0.01,
+        "tooltip": [
+            "Tolerance for determining collocation of data locations and ultimately deciding if incoming data should belong to an existing property group."
+        ]
     },
     "collar_x_name": {
-        "label": "Collar x",
+        "main": true,
+        "label": "Easting",
+        "tooltip": "Name of header field containing the collar easting.",
         "value": "X",
-        "group": "Import fields",
+        "group": "Collar",
         "optional": true,
         "enabled": false
     },
     "collar_y_name": {
-        "label": "Collar y",
+        "main": true,
+        "label": "Northing",
+        "tooltip": "Name of header field containing the collar northing.",
         "value": "Y",
-        "group": "Import fields",
+        "group": "Collar",
         "optional": true,
         "enabled": false
     },
     "collar_z_name": {
-        "label": "Collar z",
+        "main": true,
+        "tooltip": "Name of header field containing the collar elevation.",
+        "label": "Elevation",
         "value": "ELEV",
-        "group": "Import fields",
+        "group": "Collar",
         "optional": true,
         "enabled": false
     },
-    "collocation_tolerance": {
-        "label": "Collocation tolerance",
-        "value": 0.01,
-        "tooltip": "Tolerance for determining collocation of data locations and ultimately deciding if incoming data should belong to an existing property group."
-    },
     "skip_empty_header": {
+        "main": true,
         "label": "Skip empty header",
         "value": false,
         "tooltip": "Importing files without collar information results in drillholes placed at the origin. Check this box to skip these files."
     },
     "warnings": {
+        "main": true,
         "label": "Warnings",
         "value": true,
         "tooltip": "Show warnings during import."
     }
-}
+}
\ No newline at end of file
diff --git a/tests/import_las_test.py b/tests/import_las_test.py
index ce101db..f7b92dc 100644
--- a/tests/import_las_test.py
+++ b/tests/import_las_test.py
@@ -10,6 +10,7 @@
 
 import importlib
 import logging
+from pathlib import Path
 
 import lasio
 import numpy as np
@@ -67,7 +68,6 @@ def write_input_file(  # pylint: disable=too-many-arguments
     drillhole_group,
     property_group_name,
     files,
-    depths_name,
     x_collar_name,
     y_collar_name,
     z_collar_name,
@@ -85,7 +85,6 @@ def write_input_file(  # pylint: disable=too-many-arguments
                 "drillhole_group": drillhole_group,
                 "name": property_group_name,
                 "files": ";".join(files),
-                "depths_name": depths_name,
                 "collar_x_name": x_collar_name,
                 "collar_y_name": y_collar_name,
                 "collar_z_name": z_collar_name,
@@ -94,7 +93,10 @@ def write_input_file(  # pylint: disable=too-many-arguments
         )
         ifile.write_ui_json("import_las_files.ui.json", str(basepath))
 
-    return ifile.path_name
+    if ifile.path_name is None:
+        raise ValueError("Input file path is None.")
+
+    return Path(ifile.path_name)
 
 
 TEST_FILES = [
@@ -132,7 +134,6 @@ def test_import_las_new_drillholes(tmp_path):
         dh_group,
         "my_property_group",
         lasfiles,
-        "DEPTH",
         "UTMX",
         "UTMY",
         "ELEV",
@@ -199,7 +200,6 @@ def test_import_las_existing_drillholes(tmp_path):
         dh_group,
         "my_property_group",
         lasfiles,
-        "DEPTH",
         "UTMX",
         "UTMY",
         "ELEV",
@@ -249,7 +249,6 @@ def test_las_translator_retrieve(tmp_path):
     translator = LASTranslator(
         NameOptions(
             well_name="well",
-            depth_name="DEPTH",
             collar_x_name="UTMX",
             collar_y_name="UTMY",
             collar_z_name="ELEV",
@@ -258,9 +257,6 @@ def test_las_translator_retrieve(tmp_path):
     assert translator.retrieve("collar_x_name", lasfile) == 0.0
     assert translator.retrieve("collar_y_name", lasfile) == 10.0
     assert translator.retrieve("well_name", lasfile) == "dh1"
-    assert np.allclose(
-        translator.retrieve("depth_name", lasfile), np.arange(0, 10, 0.5)
-    )
 
     with pytest.raises(
         KeyError, match="'collar_z_name' field: 'ELEV' not found in las file."
@@ -310,7 +306,6 @@ def test_skip_empty_header_option(tmp_path):
         dh_group,
         "my_property_group",
         lasfiles,
-        "DEPTH",
         "UTMX",
         "UTMY",
         "ELEV",