Shell Company of Thailand (Shell) was Thailand’s largest lubricants supplier in December for a seventh month as it boosted sharply its share of engine oils sales.PTT Oil and Retail (PTT) remained Thailand’s second-largest lube supplier even as its market share slid to its lowest in 2022.Shell’s share of Thailand’s lube sales rose to more than 40pc of the total in December, government data showed. The share was up from less than 31pc in November and the highest for the year..Its share of the market surged as its outright lube sales rose even as Thailand’s lube consumption slowed in December.Blenders in a growing number of markets have sought to counter a slowdown in outright lube consumption by increasing their share of the smaller market.Thailand’s total lubricants consumption of 31,150 kilolitres (27,590t) in December fell for a fifth month from year-earlier levels to a seventeen-month low.Demand fell because of falling engine oils consumption and an even steeper drop in industrial oils consumption..Thailand's December lube demand falls.Shell’s outright engine oils sales instead rose in December.The trend boosted its share of passenger car motor oil (PCMO) sales to almost 60pc of the total, up from little more than 46pc the previous month.Shell was also Thailand’s largest lubricants supplier in 2022 with a 32pc share of the market.PTT’s share of the country’s lube market fell to less than 24pc of the total in December, from more than 30pc the previous month. It was also below PTT’s 29pc share of the market in 2022.Its share of lube sales fell amid an 11pc drop in its outright sales in December from the previous month.Its share of the PCMO market fell to less than 20pc of the total, down from more than 30pc in November.PSP Specialties was Thailand’s third-largest supplier in December with a share of more than 13pc of total sales. The share rose from little more than 12pc in November as it boosted its share of the industrial oils market.Esso Thailand was the country’s fourth-largest lube supplier in December. Its market share of more than 7pc of the total held steady from the previous month..Shell’s Q4 lube profit falls.Base Oil News stories and analysis also available on ICIS platform