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API MPMS 6.1

Manual of Petroleum Measurement Standards Chapter 6—Metering Assemblies Section 1—LACT Systems

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Organization: API
Publication Date: 1 February 1981
Status: inactive
Page Count: 14
scope:

This publication provides a description of the metering function of a LACT unit and is intended to compliment API Specification 11N, Specification for Lease Automatic Custody Transfer (LACT) Equipment. LACT equipment includes a meter (either displacement or turbine); a proving system (either fixed or portable); and devices for determining the temperature, the pressure, and the density (or API gravity) of a stream, and for sampling the liquid. Sampling provides a means of detecting no merchantable oil flow, that is oil contaminated by water, which can then be treated to meet specifications before being switched to delivery into a pipeline. Many of the aspects of the metering function of a LACT unit are dealt with at length in other parts of this manual and are referenced in 6.1.3.

Document History

API MPMS 6.1
May 1, 1991
Manual of Petroleum Measurement Standards Chapter 6.1 Lease Automatic Custody Transfer (LACT) Systems
This publication describes the metering function of a LACT unit and is intended to complement API Specification 11N, Specification for Lease Automatic Custody Transfer (LACT) Equipment. LACT...
API MPMS 6.1
May 1, 1991
Manual of Petroleum Measurement Standards Chapter 6 - Metering Assemblies Section 1 - Lease Automatic Custody Transfer (LACT) Systems
This publication describes the metering function of a LACT unit and is intended to complement API Specification II N,Specificationfor Lease Automatic Custody Transfer (LACT) Equipment. LACT equipment...
API MPMS 6.1
May 1, 1991
Manual of Petroleum Measurement Standards Chapter 6 - Metering Assemblies Section 1 - Lease Automatic Custody Transfer (LACT) Systems
This publication describes the metering function of a LACT unit and is intended to complement API Specification 11N, Specification for Lease Automatic Custody Transfer (LACT) Equipment. LACT...
MPMS 6.1
May 1, 1991
Manual of Petroleum Measurement Standards Chapter 6 - Metering Assemblies Section 1 - Lease Automatic Custody Transfer (LACT) Systems
6.1.2 Scope This publication describes the metering function of a LACT unit and is intended to complement API Specification 11N, Specification for Lease Automatic Custody Transfer (LACT) Equipment....
API MPMS 6.1
May 1, 1991
Manual of Petroleum Measurement Standards Chapter 6 - Metering Assemblies Section 1 - Lease Automatic Custody Transfer (LACT) Systems
This publication describes the metering function of a LACT unit and is intended to complement API Specification 11N, Specification for Lease Automatic Custody Transfer (LACT) Equipment. LACT...
MPMS 6.1
January 1, 1991
Manual of Petroleum Measurement Standards Chapter 6 - Metering Assemblies Section 1 - Lease Automatic Custody Transfer (LACT) Systems Second Edition (R 1996)
A description is not available for this item.
API MPMS 6.1
February 1, 1981
Manual of Petroleum Measurement Standards Chapter 6—Metering Assemblies Section 1—LACT Systems
This publication provides a description of the metering function of a LACT unit and is intended to compliment API Specification 11N, Specification for Lease Automatic Custody Transfer (LACT)...
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References

This document references:
API MPMS 4.5 - Manual of Petroleum Measurement Standards Chapter 4.5 Master Meter Provers
Published by API on June 1, 2016
This standard covers the use of displacement, turbine, Coriolis, and ultrasonic meters as master meters. The requirements in this standard are intended for single-phase liquid hydrocarbons. Meter...
This document references:
MPMS 4.8 - Manual of Petroleum Measurement Standards Chapter 4.8 Operation of Proving Systems
Published by API on July 1, 2021
This guide provides information for operating meter provers on single-phase liquid hydrocarbons. It is intended for use as a reference manual for operating proving systems. The requirements of this...
This document references:
API MPMS 4.9.3 - Manual of Petroleum Measurement Standards Chapter 4-Proving Systems Section 9-Methods of Calibration for Displacement and Volumetric Tank Provers Part 3—Determination of the Volume of Displacement Provers by the Master Meter Method of Calibration Measurement Coordination
Published by API on April 1, 2010
This standard covers the procedures required to determine the field data necessary to calculate a Base Prover Volume (BPV) of a field displacement prover by the master meter method of calibration.
This document references:
API MPMS 5.4 - Manual of Petroleum Measurement Standards Chapter 5-Metering Section 4-Accessory Equipment for Liquid Meters
Published by API on September 1, 2005
This section of API MPMS Chapter 5 describes the characteristics of accessory equipment that may be used with meters in liquid hydrocarbon service. Having a knowledge of these characteristics helps...
This document references:
API MPMS 9.1 - Manual of Petroleum Measurement Standards Chapter 9.1 Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method
Published by API on December 1, 2012
This test method covers the laboratory determination using a glass hydrometer in conjunction with a series of calculations, of the density, relative density, or API gravity of crude petroleum,...
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