is it possible to create a form in the intranet that can be stored in a database?
You could look into APEX which is available even on the free Oracle Express Edition.


  Oracle Application Express (APEX) is a Web application development
  tool for Oracle Database. The tool uses built-in features such as user
  interface themes, navigational controls, form handlers, and flexible
  reports to accelerate application development.
  
  Oracle Application Express installs with the database and consists of
  data in tables and PL/SQL code. When you run an application, your
  browser sends a URL request that is translated into an Oracle
  Application Express PL/SQL call. After the database processes the
  PL/SQL, the results are relayed back to the browser as HTML. This
  cycle happens each time you request or submit a page.
  
  You can use Oracle Application Express with the embedded PL/SQL
  gateway. The gateway runs in the XML DB HTTP server in the database
  and provides the necessary infrastructure to create dynamic
  applications. As shown in Figure 19-1, the embedded PL/SQL gateway
  simplifies the application architecture by eliminating the middle
  tier.


You will need to evaluate this option with respect to your existing infrastructure and requirements.