<https://esg.chk.com/wp-content/uploads/2022/11/RigQuarter_graphic2.png>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://esg.chk.com/2023/08/21/recognizing-rig-of-the-quarter-deep-well-rig-6/>