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Crude Oil Quality Association
(COQA)

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Welcome to the Crude Oil Quality Association!

The Crude Oil Quality Association (COQA) is dedicated to the belief that maintaining the integrity and consistency of the refining characteristics of crude oil streams is of importance to all parties involved in crude oil activity, from production locations to the refinery.

To this end, we hold three meetings annually.  These meetings are open to the public and we welcome your attendance and involvement.

Upcoming Events

  • COQA Oklahoma City, May 29-30, 2019

    Dates: 29 – 30 May, 2019
    Skirvin_thumbProgram Update:
    Full Two-Day Agenda (.pdf)

    Guestrooms Update:
    At this time our guestroom blocks are no longer available and attendees must make their own arrangements for accommodations.

    Registration
    Tour and General Conference Registration
    Tour Registration Deadline: May 8, 2019 (space is limited, first come first serve)
    *Our hosts require advance notice of attendees so we cannot accept late registrations
    Conference Advance Registration Deadline: May 22, 2019
    *Conference Registration will also be available on site for $125 by credit card only.

    Complimentary Registration

    *For representatives of annual member companies, event sponsors, speakers, retirees, press

    Venue
    Our venue will be the Skirvin Hilton Oklahoma City (1 Park Ave, Oklahoma City, OK 73102).

    Event Sponsors
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  • COQA Dallas, October 9-10, 2019

    Dates: 09 – 10 Oct, 2019
    dallbj-omni-dallas-hotel-park-west-exterior-signSave the date and plan to join us for the COQA's Fall 2019 meeting in Dallas, TX.

    Our venue will be the Omni Dallas Hotel at Park West (1590 Lyndon B Johnson Fwy, Dallas, TX 75234). Information on the program is forthcoming.


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News and Announcements

RBN Energy Blog Highlights WTI Crude Quality

by Dennis Sutton | Nov 20, 2018

RBN Energy’s daily blog, published November 19, 2018, titled The Race Is On - Houston Crude Oil Futures Contracts Compete For Market Share by Laura Blewitt provides an excellent overview of the three futures contracts involving WTI crude oil.  Included are details of the logistics and crude quality specifications associated with each contract.

These three similar, but different contracts are:

  • CME Group’s Light Sweet Crude delivered at Cushing- described in NYMEX Rulebook Chapter 200.  The COQA has been instrumental in development of the new specifications that will take effect January 2019.  Data for streams at Cushing can be found on the data portal crudemonitor.us.

  • CME Group’s WTI delivered at Houston.  This new contract was launched November 5, 2018, and details are found in NYMEX Rulebook Chapter 201.

  • Intercontinental Exchange’s (ICE) contract, officially called “Permian WTI (Houston)”.  Quality specifications are found in Magellan’s BridgeTex and Longhorn pipeline tariff documents. API Gravity, Sulfur, Vapor Pressure, and BS & W data are shown on the ICE web site.

A summary of the different quality specifications (for the relevant properties) is as follows: 


CME’s WTI- Cushing

CME’s WTI- Houston

ICE’s Permian WTI (Houston)

API Gravity

37-42

40- 44

36-44

Sulfur, wt %

0.42% or less

0.275% or less

<0.45%

RVP, psi

<9.5

<9.5

<9.5

MicroCarbon Residue (MCR), wt %

2.40% or less

2.40% or less


Total Acid Number (TAN)

0.28 mg KOH/g or less

0.28 mg KOH/g or less


Nickel, wt ppm

8 ppm or less

4 ppm or less


Vanadium, wt ppm

15 ppm or less

4 ppm or less


HTSD: Light Ends

< 220°F

Not more than 19 wt %



HTSD: 50% point, °F

470°F- 570°F



HTSD: Vacuum Resid

> 1020°F

Not more than 16 wt %



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