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<http://webisa.webdatacommons.org/219078329>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ogj.com> .
<http://webisa.webdatacommons.org/prov/19104768>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219078329> .
<http://webisa.webdatacommons.org/prov/182447342>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219078329> .
<http://webisa.webdatacommons.org/219078329>	<http://www.w3.org/ns/prov#value>	"When that happens, accounting standards require earnings adjustments reflecting the forgone value.Hedging is a risk-management tool that uses financial instruments such as futures and options contracts to protect the value of future production against declines in the prices of oil and gas.It enables producers to, in effect, lock in oil and gas prices at set levels..." .