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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 renews partnership in support of Argus Americas Crude Summit 2019

    Dates: 22 – 24 Jan, 2019

                                     COQA banner Crude Summit 2019
    Join 400 of your peers in Houston for the largest commercial crude oil trading and strategy event of the year! Network with senior representatives from across the crude supply chain and gain perspectives from 20+ industry leaders on what to expect from the oil markets in the coming year.

    Information: HERE              Registration: HERE



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  • COQA New Orleans, March 13-14, 2019

    Dates: 13 – 14 Mar, 2019

    HIL_ExteriorCOQA is once again headed to New Orleans! Save the date and plan to join us from March 13-14, 2019.

    Our venue will once again be the Hilton Riverside (2 Poydras St, New Orleans, LA 70130). More information will be made available later in 2018.



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  • COQA Oklahoma City, May 29-30, 2019

    Dates: 29 – 30 May, 2019
    Skirvin_thumb
    Save the date and plan to attend COQA's summer 2019 conference in Oklahoma City. Our plan is to do this conference a little differently, with a FULL DAY TOUR of Cushing terminal facilities on May 29, and then a full day of meetings on May 30th.

    Our venue will be the Skirvin Hilton Oklahoma City (1 Park Ave, Oklahoma City, OK 73102). More information on the tour and presentations will be 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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