Vendor Inquiries

Update - We are no longer utilizing Oildex, and now offer Cortex to our vendors who prefer to submit invoices electronically.

To enroll and submit your invoices online through Cortex

To update vendor account information

  • To change your mailing or remittance address, please email, fax, or mail us this request. Please include company name, vendor number, previous address, and updated address. We do not accept address changes by phone.

To sign up for direct deposit or update your banking information, click link below and print off form & submit by mail, email, or fax.

ACH/EFT Signup Form

To view electronic payment detail, please follow the link below.

Legacy Reserves/JC Data Document Viewer

If you’re having trouble logging into or using JC Data, call (855) 223-7447 or email them at

Contact Us

15 Smith Road, Suite 3000
Midland, TX 79705

Contact email
Number 855-223-7447
Fax number 432-221-6397

Other questions for the Vendor Inquiries can be submitted through the form below.

Vendor Inquiries Form