procedure TFExpertzakl.OpenOfficeReplace(const AFileURL: string;
  ASearch: string; const AReplace: string);
var
  StarOffice: Variant;
  StarDesktop: Variant;
  StarDocument: Variant;
  FileReplace: Variant;
  FileParams: Variant;
  FileProperty: Variant;
  VariantArray: Variant;
 
 
begin
  StarOffice := CreateOleObject('com.sun.star.ServiceManager');
  StarDesktop := StarOffice.CreateInstance('com.sun.star.frame.Desktop');
 
  FileParams := VarArrayCreate([0, 0], varVariant);
  FileProperty := StarOffice.Bridge_GetStruct('com.sun.star.beans.PropertyValue');
  FileProperty.Name := 'Hidden';
  FileProperty.Value := False;
  FileParams[0] := FileProperty;
 
  StarDocument := StarDesktop.LoadComponentFromURL(AFileURL, '_blank', 0, FileParams);
 
  FileReplace := StarDocument.CreateReplaceDescriptor;
  FileReplace.SearchCaseSensitive := False;
  FileReplace.SetSearchString(ASearch);
  FileReplace.SetReplaceString(AReplace);
 
  StarDocument.ReplaceAll(FileReplace);
 
// где то тут нужно его сохранить перед закрытием 
 
  StarDocument.Close(True);
  StarDesktop.Terminate;    
  StarOffice := Unassigned;
end;