diff --git a/src/phoenix/session/client.py b/src/phoenix/session/client.py
index 870a101d8e..2cd8018280 100644
--- a/src/phoenix/session/client.py
+++ b/src/phoenix/session/client.py
@@ -141,6 +141,7 @@ def _warn_if_phoenix_is_not_running(self) -> None:
             )
 
     def log_evaluations(self, *evals: Evaluations, project_name: Optional[str] = None) -> None:
+        project_name = project_name or get_env_project_name()
         for evaluation in evals:
             table = evaluation.to_pyarrow_table()
             sink = pa.BufferOutputStream()
diff --git a/src/phoenix/trace/dsl/helpers.py b/src/phoenix/trace/dsl/helpers.py
index 47d277cde7..fb93422674 100644
--- a/src/phoenix/trace/dsl/helpers.py
+++ b/src/phoenix/trace/dsl/helpers.py
@@ -3,6 +3,7 @@
 import pandas as pd
 from openinference.semconv.trace import DocumentAttributes, SpanAttributes
 
+from phoenix.config import get_env_project_name
 from phoenix.trace.dsl import SpanQuery
 
 DOCUMENT_CONTENT = DocumentAttributes.DOCUMENT_CONTENT
@@ -28,6 +29,7 @@ def query_spans(
 
 
 def get_retrieved_documents(obj: CanQuerySpans, project_name: Optional[str] = None) -> pd.DataFrame:
+    project_name = project_name or get_env_project_name()
     return cast(
         pd.DataFrame,
         obj.query_spans(
@@ -45,6 +47,7 @@ def get_retrieved_documents(obj: CanQuerySpans, project_name: Optional[str] = No
 
 
 def get_qa_with_reference(obj: CanQuerySpans, project_name: Optional[str] = None) -> pd.DataFrame:
+    project_name = project_name or get_env_project_name()
     return pd.concat(
         cast(
             List[pd.DataFrame],