Setting up 'yum' in Oracle Linux 6

https://blogs.oracle.com/wim/entry/setting_up_oracle_linux_6

# cd /etc/yum.repos.d
# wget http://public-yum.oracle.com/public-yum-ol6.repo

How to install Open Office in Oracle Enterprise Linux?

1. Use below yum command:
sudo yum -y install openoffice.org*

2. Download rpm file from http://sourceforge.net/projects/openofficeorg.mirror/files/4.0.1/binaries/en-US/Apache_OpenOffice_4.0.1_Linux_x86-64_install-rpm_en-US.tar.gz/download
and follow the instructions mentioned @ http://www.openoffice.org/download/common/instructions.html#linux-rpm
Another download link http://www.openoffice.org/download/other.html with language specific installers.