When the US says it is deploying its troops to protect the oil field, you cannot trust the US government.

https://sg.finance.yahoo.com/news/russia-releases-damning-evidence-u-173000250.html

The US is caught red-handed by Russia for plundering Syrian oil under the guise of safeguarding the oil field.

Why am I not surprised?  If you truly understand the Americans, you will know that the US cannot be trusted.