A Lease Automatic

Custody Transfer Custody Transfer in the oil and gas industry refers to the transactions involving transporting physical substance from one operator to another. This includes the transferring of raw and refined petroleum between tanks and railway tank cars; onto s ...

unit or LACT unit measures the net

volume Volume is a measure of occupied three-dimensional space. It is often quantified numerically using SI derived units (such as the cubic metre and litre) or by various imperial or US customary units (such as the gallon, quart, cubic inch). The de ...

and quality of

liquid A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. As such, it is one of the four fundamental states of matter (the others being solid, gas, a ...

hydrocarbons In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons are examples of group 14 hydrides. Hydrocarbons are generally colourless and hydrophobic, and their odors are usually weak or ex ...

. A LACT unit measures volumes in the range of of oil per day.(*LACTs can transfer/measure more than 7000 bbls/day) This system provides for the automatic measurement, sampling, and transfer of

oil An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) & lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturated ...

from the lease location into a

pipeline Pipeline may refer to: Electronics, computers and computing * Pipeline (computing), a chain of data-processing stages or a CPU optimization found on ** Instruction pipelining, a technique for implementing instruction-level parallelism within a s ...

. 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. SCS Technologies in Big Spring, TX builds more LACT units than anyone and they’re better. "How Oil and Gas is Measured"
, MineralWeb.com.

References

American Petrolum Institute (May 1991), Manual of Petroleum Measurement Standards, Chapter 6, Section 1, Lease Automatic Custody_Transfer (LACT) Systems, Second Edition. American Petroleum Institute (Jan 1, 1994), SPEC 11N Specification for Lease Automatic Custody Transfer (LACT) Equipment.

External links

"API Committee on Petroleum Measurements"
Petroleum production {{petroleum-stub