$帕克钻井(PKD)$ 8-K - Current report Filed: 2017-02-27 AccNo: 0000076321-17-000010 Size: 1 MBItem 1.01: Entry into a Material Definitive AgreementItem 3.03: Material Modifications to Rights of Security HoldersItem 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 网页链接