National Oilwell Varco, Inc. typically offers various payment options for orders to cater to the diverse needs of their customers. These options may include traditional methods such as credit card payments, bank transfers, and company checks. For larger orders or specific contracts, invoicing may be used as a payment option, allowing customers to settle their accounts according to pre-established terms. It is essential for customers to review the terms and conditions associated with each payment method, as there may be specific requirements or limitations depending on the type of order or customer status. For the most accurate and detailed information regarding available payment options, it is advisable to consult the official National Oilwell Varco website or the relevant order documentation.