The Argentina international believes his knee injury has responded well in his return to action, and he is now itching to make an impact with the first team
Goal recently revealed that Demichelis was set to make his debut at Upton Park on Saturday as Manuel Pellegrini's men take on West Ham.
The Argentine has been kept out of first-team action so far this season with a knee injury, but moved a step closer to making his debut by playing for the club's Elite Development Squad against Rochdale.
Demichelis moved from Atletico Madrid to the Etihad Stadium for £4.2m in September, only two months after signing for the La Liga side.
"It was important to play and get the confidence back. It felt great to play and was important to feel what a game is like again," he told the club's official website.
"My knee responded very well and I'm very happy after working very hard to get here."
Managed by Arsenal legend Patrick Vieira, Demichelis played in defensive midfield as part of side compiled predominantly of Under-21 players.
"I've played this position many times before and the manager knew that. Obviously it was good for me to play there and get a lot of contact with the ball, so it all worked out and was good.
"It's a great team with some fantastic players and they are in good hands with Patrick.
"It's good for them to get involved in the professional set up, and I'm sure a lot of these players will do a lot of good things for City in the future."
With his injury problem easing, Demichelis has revealed he is settling well into life in Manchester.
"It was difficult at the beginning with the injury but that allowed me to meet everybody at the club and feel confident and comfortable with everybody, so it's fantastic now and I'm looking forward to my debut," he insisted.