We use your earnings and work. history to determine your eligibility. for retirement or disability benefits. or your familyâs eligibility for. survivors benefits when you die. In 2016, you receive one credit for. each $1,260 of earnings, up to the. maximum of four credits per year. Each year the amount of earnings. needed for credits goes up slightly as. average earnings levels increase.
Immersion oil should only be used if you have an immersion oil lens. The lens will actually have oil, immersion or HI (homogeneous immersion) printed on it. Immersion oil is best for viewing samples that are dead or are not moving and no thicker than a few micrometers.
The company's Shell Exploration & Production unit focuses its exploration on the deepwater plays in the Gulf of Mexico. Shell Oil partners with Saudi Aramco in a US refining and marketing venture (Motiva) and owns Motiva's sister company Shell Oil Products US. Shell Oil also produces petrochemicals (Shell Chemical) and liquefied natural gas (Shell US Gas & Power) and markets natural gas and electricity. Shell Oil's parent, Royal Dutch Shell, vies with Exxon Mobil) to be the world's #1 integrated oil company in terms of revenues.