Ultra Petroleum ups proved O&G reserves by 11% Feb 15, 2010
Ultra Petroleum's total proved oil and gas reserves for the year-ended December 31, 2009, were 3.91 trillion cubic feet of gas equivalent (Tcfe), an 11 percent

Ultra Petroleum acquires Marcellus shale acreage Dec 22, 2009
Ultra Petroleum Corp. has signed a purchase and sale agreement to acquire approximately 80,000 (net) acres in the Pennsylvania Marcellus Shale, from a private company.