$帕克钻井(PKD)$ 8-K - Current report Filed: 2018-03-15 AccNo: 0000076321-18-000026 Size: 46 KBItem 3.01: Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of ListingItem 7.01: Regulation FD DisclosureItem 9.01: Financial Statements and Exhibits 网页链接