"Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;" - Ephesians 6:18
Prayer is another spiritual weapon God has given us to wage warfare. Prayer is a relationship with our Heavenly Father. It is coming and asking for help or talking to God about something that bothers us. It also an opportunity to express our gratitude for the blessings and opportunities we have in our lives.
If you want to have an effective prayer life, develop a good personal relationship with the Father. Know that He loves you, that He is full of mercy, that He will help you. Get to know Jesus Christ our Saviour. He is our Friend. He died for each of us. Get to know the special relationship that the Holy Spirit has with each of us. He is with each of us all the time as a companion; comforter; healer and guide. Let Him help you.
All kinds of prayer are to be used in our walk with God. There is the prayer of agreement between two people and also the united prayer of a group of people. There are prayers of thanksgiving, praise and worship, petition, intercession, commitment, and consecration.
Whatever kind of prayer your bring, learn to fill your prayers with the Word of God and offer them with the faith and assurance that God keeps His promises to the righteous.