The Blues boss was furious after watching midfielder Michael Essien stretchered off with an ankle injury following a crude tackle by Nigel Reo-Coker in the first-half.

The Ghanaian was recently handed a two-match ban by FIFA for a challenge on Liverpool's Dietmar Hamann, a decision which Mourinho believed was influenced by Sky television's coverage of the incident.

The Portuguese was reluctant to criticise Reo-Coker, but he did launch a broadside at FIFA and Sky for supposedly applying different rules to his side, citing Steven Gerrard's confrontation with Alan Shearer during Liverpool's meeting with Newcastle last week as evidence.

"I do not want to talk about Reo-Coker," he said. "But we are now gaining great experience of how people look at Chelsea.

"Michael Essien was on television for 15 days after his tackle. Now he is suspended for the Champions League and his tackles always get yellow cards.

"For other players it is not the same. I saw Steven Gerrard in an incident at Newcastle last week which was on TV once or maybe twice.

"Michael was put out of the game today by a tackle and nobody will make anything of it. Some people seem just to want to chase Chelsea and that shouldn't happen. Everyone should be the same on a football field."

Mourinho's mood was at least helped by his team's ninth win in a row, which left them 14 points clear at the top ahead of second-placed Manchester United's match away to Arsenal on Tuesday.

It was a comfortable victory, but Chelsea owed much to Frank Lampard. The England midfielder had been mercilessly barracked on his return to the club where he began his career, but he proved a point to his detractors with a sparkling performance.

His goal was typically clinical - a ferocious volley from eight yards after Yossi Benayoun had misplaced a defensive header - but he was at the hub of all Chelsea's best moves.

"Frank showed that people can make all the noise they want at him but it won't affect him at all," said Mourinho. "I thought he was a bit tired in the second-half but generally he was very good."

Chelsea should have won by more than just two goals, but even that margin of victory had seemed uncertain after West Ham had struck a shock equaliser moments after half-time.