PMI, the export arm of Mexico's state-owned Pemex, has sold its medium sour Isthmus crude into the US west coast for the first time since December 2014.
About 350,240 bls of Mexican Isthmus crude are estimated to have unloaded at Shell's 165,000 b/d Martinez, California, refinery on 4 November from the United Banner, according to shipping intelligence firm ClipperData. The Panamax left from Salina Cruz, Mexico, on 27 October.
Pemex has only sold Isthmus crude to the US west coast, although the appetite for Mexican grades is increasing with the most recent launch of a K-factor for Maya to the region. Isthmus has a gravity of 33.6 API° and 1.3pc sulfur, while Maya has a gravity of 22 API° and 3.3pc sulfur.
Both Maya and Isthmus could become more competitive on the US west coast, as reflected in the decrease in Maya's K-factor from a $3.70/bl discount to the pricing formula in November to a $5.20/bl discount in December. Isthmus' K-factor has remained unchanged since August at a $3.10/bl discount to the pricing formula.
According to US Energy Information Administration (EIA) data, imports into the US west coast from Mexico have been non-existent since December 2014, when a total of 358,000 bls were imported. Cargoes from Mexico to the US Gulf coast have been in decline, falling by 21pc from 707,000 b/d in August 2014 to 558,530 b/d the same month this year.
Mexican imports of crude oil into the US West Coast totaled 5.44mn bls in 2014, going to Chevron's El Segundo and Richmond refineries; Shell's Martinez refinery; and Tesoro's Golden Eagle and Wilmington Los Angeles refineries. Before 2014, the last time Mexican crude was imported into the US west coast was in October 2008, when a 374,000 bl cargo was sent to Tesoro's Golden Eagle refinery.

