Romans 8:26-27 In the same way the Spirit also helps our weakness; for we do not know how to pray as we should, but the Spirit Himself intercedes for us with groanings too deep for words; 27 and He who searches the hearts knows what the mind of the Spirit is, because He intercedes for the saints according to the will of God.
As I am sure many readers have witnessed - such techniques utterly fail. Why? Because what constitutes powerful Christianity and church-life operates in the powerful prayer lives of Christians who walk with God. Our own sense of self-importance has resulted in a bloated American church that looks more like the culture and less like a counter-culture centered around the belief in the Risen Christ and the manifestation of the Kingdom of God in the Word of God and transformed lives.
Romans 8:21-28 gives the list of ingredients necessary for having a powerful and effective prayer life. As one writer once put it: "a man (and for that matter a woman) of God can never exceed in their public life the level to which they are with God in their private life." If we can take note of the principles Paul lays out here for praying with power, then we will have the Christian lives and churches that are also marked with the Spirit's power and enduement.