Assertion: asset's value | /r/CapableOf | force many oil and gas companies
Facets:
value: to take major write downs
type: PURPOSE
Source sentences:
text: Because the underlying commodity can be subject to large fluctuations in price, the value of assets in commodity-based industries such as oil and gas and mining can vary enormously in a relatively short period of time - the huge drop in oil prices in 2015, for instance, forced many oil and gas companies to take major write downs on assets due to the decline in the value of reserves.