PO Invoice Guidelines

Follow these guidelines, and we will make sure you are paid on time. As of October 10, 2018, Chesapeake will reject invoices if invoice requirements are not met.

PO Invoice Requirements

  • One PO per invoice
  • If not submitting electronically, please mail invoices to centralized P.O. Box, do not deliver to a field office 
  • Chesapeake will not be obligated to pay if the invoice is not received within 12 months of the date of work

Required PO Invoice Information

  • Chesapeake entity being invoiced
  • Complete invoice with all necessary backup (signed field tickets, bid award sheets, etc.)
  • PO number is required
  • PO item number from the PO form should be listed on the invoice for the corresponding line item charged
  • If a work order is listed on your PO form, please list your work order(s) on your invoice
  • Invoice number and date
  • Remittance address
  • Service date
  • Complete description of work done or product purchased
  • Complete well name or number, rig or property location, or gathering location (where appropriate)
  • Field signatures are required; the approver may not approve the invoice if the field ticket is not signed
  • Project name (if applicable)
  • Correct amount (invoice page vs. OpenInvoice invoice)
  • Correct cost object information (valid cost objects are work orders, WBS elements and cost centers), rig or gathering location (where appropriate)

Manual Approvals

  • Manual approvals are no longer accepted
  • All invoices will be approved electronically in our system
  • Consult your field representative to verify billing requirements, as these may differ depending on the charges

Electronic Invoicing (EI) Requirements 

  • One PO per invoice
  • Complete all required fields for invoice generation
    • PO number should be listed in the PO number field
    • Property information should be listed in the charge to/charge to name fields
  • Field tickets and signatures should be included, if required
  • It is preferred that field tickets be attached to the invoices upon submission; if Chesapeake is required to index field tickets to invoices, additional fees may apply
  • Once your company has gone live with EI invoices, any physical invoices received and dated after the “go live” date will be returned for EI processing
  • Invoices dated prior to “go live” date should be sent manually to the appropriate accounts payable contact
  • If you have invoices that need to be resubmitted please email Supplier Relations or call 877-245-1427 and they will instruct you on resubmitting procedures; original invoices and invoice numbers should not be altered, and resubmitted invoices through Oildex will not be paid
  • To participate in Electronic Invoicing visit the EI page.

Tax Reporting Requirements

  • Complete a W-9 form. Foreign suppliers may be required to submit alternate forms. To contact A/P please view our contact list
  • All suppliers who enter Chesapeake property must have a Master Service Agreement on file. Completed form and supporting documents should be mailed to:
Chesapeake Operating, LLC
ATTN: Chesapeake Manager - Contracts and Compliance
6100 N. Western Avenue
Oklahoma City, OK 73118

Contact chkcontracts@chk.com if you have questions.