Williams Partners LP, which "holds the midstream and interstate-gas-pipeline assets for energy company Williams Cos," is buying Caiman Energy subsidiary Caiman Eastern Midstream LLC in an attempt to gain a foothold in the shale regions of northern West Virginia, southwestern Pennsylvania and eastern Ohio, The Wall Street Journal reports. The $2.5 billion acquisition represents Williams Partners' attempt to drive profits by focusing on its core businesses, including "providing infrastructure to transport natural gas," the article said. For more, read the full story here.