Invoice Submission Best Practices

Accounts Payable Inquiry Line: 281-404-9617

IF MAILED IF E-MAILED
Oasis Petroleum
ATTN: ADO AP Document Processing
PO Box 9037
Coppell, TX 75019-903
ap@oasispetroleum.com

Mail invoices+support (multiple invoices/envelope acceptable)   Only one invoice per email (must be in an attachment)
Do not send duplicate copies of invoices in same envelope   Invoice must be attachment (not body of email)
Do not send same invoice multiple times   Add “Oasis Petroleum” and “Invoice #XXXX” to the email subject line
No header / blank pages   Where possible, scan invoice and support together as one attachment
Double sided preferred   Do not send same invoice multiple times
8 1/2 x 11 20 lb. white paper/black lettering   Preferred .tif format, next PDF
Avoid script letters   No zipped files
Avoid using thick black lines   Try to achieve 300 dpi quality
Avoid using images on invoices   Do not exceed 5.5Mb in size
No staples/sticky notes/paperclips   8 1/2 x 11 20 lb. white paper/black lettering
No handwritten comments/instructions   Avoid script letters
Ensure remit to and invoice # clearly identified   Ensure remit to and invoice # clearly identified
Sort documents sequentially (invoice followed by detail)   Verify documents are mailed to correct email address
Verify documents are mailed to correct PO Box