1 P15502-ELN_HUMAN. 2  Hydroxylation on proline residues within the sequence motif, GXPG, is most likely 4-hydroxy as this fits the requirement for 4-hydroxylation in vertebrates.
An API number is a unique and permanent number that identifies each well drilled for oil and gas in the United States. API numbers were established by the American Petroleum Institute, as an industry standard, to keep track of the nearly three million oil and gas drills in the country. It was necessary because wells usually have names that consist of three parts: an operator name, a well number and a lease name.
Associated Petroleum Gas / Flare Gas. Associated petroleum gas (APG) is also known as flare gas or field gas. APG can be converted to power at high efficiency utilising GEâs Jenbacher gas engine. This power can be used for the provision of electricity and heating on-site whilst eliminating the cost of diesel deliveries to remote areas.