May 23 (Reuters) - Canadian Natural Resources Ltd CNQ.TO
* Canadian Natural Resources Limited prices C$1.8 billion in 3, 9.5 and 30 year medium-term notes
* Intends to use net proceeds from sale of medium-term notes to finance acquisition of working interest in Athabasca Oil Sands Project
* Priced C$900 million 2020 2.05 percent notes at C$99.977
* Priced C$600 million 2026 3.42 percent notes at C$100
* Priced C$300 million 2047 4.85 percent notes at C$100.00 Source text for Eikon: Further company coverage: CNQ.TO