Geographical mile longitude at the equator is thus exactly 60 geographical miles. It was closely related to the nautical mile, which was originally determined as 1 minute of arc along a great circle of the Earth, but is nowadays defined as exactly 1852 metres. The US National Institute of Standards and Technology (NIST) notes that: "The international nautical mile of 1 852 meters (6 076.115 49...feet) was adopted effective July 1, 1954, for use in the United States. The value formerly used in the United States was 6 080.20 feet = 1 nautical (geographical or sea) mile." (6080.2 feet is 1853.24496 meters.)
Lease automatic custody transfer unit Lease automatic custody transfer unit A Lease Automatic Custody Transfer unit or LACT unit measures the net volume and quality of liquid hydrocarbons. A LACT unit measures volumes in the range of 100-7000 BOPD. This system provides for the automatic measurement, sampling, and transfer of oil from the lease location into a pipeline. A system of this type is applicable where larger volumes of oil are being produced and must have a pipeline available in which to connect. American Petrolum Institute (May 1991), Manual of Petroleum Measurement Standards, Chapter 6, Section 1, Lease Automatic Custody_Transfer (LACT) Systems, Second Edition. American