DECLARE @dbname VARCHAR(50)   
DECLARE @statement NVARCHAR(MAX)
CREATE TABLE #UserPermission
(
   ServerName SYSNAME,
   DbName SYSNAME,
   UserName SYSNAME,
   TypeOfLogIn VARCHAR(50),
   PermissionLevel VARCHAR(50),
   TypeOfRole VARCHAR(50)
)
DECLARE db_cursor CURSOR 
LOCAL FAST_FORWARD
FOR  
SELECT name
FROM master.sys.databases
WHERE state_desc='online' and database_id >4
OPEN db_cursor  
FETCH NEXT FROM db_cursor INTO @dbname  
WHILE @@FETCH_STATUS = 0  
BEGIN  
 
SELECT @statement = 'use '+@dbname +';'+ 'SELECT
ServerName=@@servername, dbname=db_name(db_id()),p.name as UserName, p.type_desc as TypeOfLogin, pp.name as PermissionLevel, pp.type_desc as TypeOfRole 
FROM sys.database_role_members roles
JOIN sys.database_principals p ON roles.member_principal_id = p.principal_id
JOIN sys.database_principals pp ON roles.role_principal_id = pp.principal_id
where pp.name=''db_owner'' and p.name<>''dbo'''
INSERT INTO #UserPermission
EXEC sp_executesql @statement
FETCH NEXT FROM db_cursor INTO @dbname  
END  
CLOSE db_cursor  
DEALLOCATE db_cursor
SELECT * FROM #UserPermission
DROP TABLE #UserPermission