• Shopping Cart
    There are no items in your cart

API SPEC 11N : 1994

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

SPECIFICATION FOR LEASE AUTOMATIC CUSTODY TRANSFER (LACT) EQUIPMENT

Available format(s)

Hardcopy , PDF

Withdrawn date

15-06-2013

Language(s)

English

Published date

01-11-1994

€134.60
Excluding VAT

1 Scope
1.1 Coverage
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2 References and abbreviations
3 Definitions
3.1
3.2
4 Shop assembly, testing, and warranty
4.1
4.2
4.3
5 Mechanical and hydraulic specifications
5.1 Skid mounting
5.2
5.3 Hydraulic assembly
5.4 Piping
5.5
5.6 Weather protection
6 Charging pump and motor
6.1 Pump
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
6.11 Motor
7 Strainer and/or (optional) air/gas eliminator
7.1
7.2
7.3
7.4
7.5
8 Sediment and water probe, monitor, and diverter
       valve
8.1
8.2
8.3 Diverter valve (optional)
8.4
8.5
9 Displacement meter or turbine meter
9.1
10 Thermowell and three-way prover loop
10.1 Thermowell
10.2
10.3 Prover loop
10.4
10.5
11 Back-pressure valve
11.1
11.2
11.3
11.4
12 Sampling
12.1 General considerations
12.2 Sample connection
12.3 Sample probe
12.4 Sample stream piping
12.5 Sampler
12.6 Sample container
13 Electrical
13.1
13.2
13.3
13.4
13.5
13.6 Safety features
13.7
13.8
13.9
13.10
13.11
13.12 Power enclosure
13.13
13.14
13.15 Alarm beacon
14 Recirculating pump
14.1
14.2
15 Sealing
16 Inspection and rejection
16.1 Inspection notice
16.2 Plant access
16.3 Compliance
17 Marking
17.1
17.2
Appendix A - Data sheets - API LACT unit specification
             data sheet
Appendix B - Metric conversions
Appendix C - Use of API monogram
C.1 Markings
C.2
C.3
Figure
1 Typical positive displacement or turbine meter
       LACT unit flow diagram

Describes assemblies unattended automatic custody transfer of liquid hydrocarbons below 11,000 U.S barrels a day at less than 500 psig.

DocumentType
Standard
Pages
24
PublisherName
American Petroleum Institute
Status
Withdrawn

API MPM CH6.1 : 1991(R2012) MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 6: METERING ASSEMBLIES - SECTION 1: LEASE AUTOMATIC CUSTODY TRANSFER (LACT) SYSTEMS
API 51 : 2001 ONSHORE OIL AND GAS PRODUCTION PRACTICES FOR PROTECTION OF THE ENVIRONMENT
API 1129 : 1996 ASSURANCE OF HAZARDOUS LIQUID PIPELINE SYSTEM INTEGRITY
API MPM CH6.1 : 1991 : R2007 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 6: METERING ASSEMBLIES - SECTION 1: LEASE AUTOMATIC CUSTODY TRANSFER (LACT) SYSTEMS
API 51 : 2001 : R2013 ONSHORE OIL AND GAS PRODUCTION PRACTICES FOR PROTECTION OF THE ENVIRONMENT
API 51R : 2009 : R2015 ENVIRONMENTAL PROTECTION FOR ONSHORE OIL AND GAS PRODUCTION OPERATIONS AND LEASES
API 51R : 2009 ENVIRONMENTAL PROTECTION FOR ONSHORE OIL AND GAS PRODUCTION OPERATIONS AND LEASES
API MPM CH6.1 : 1991 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 6: METERING ASSEMBLIES - SECTION 1: LEASE AUTOMATIC CUSTODY TRANSFER (LACT) SYSTEMS

API 1101 : LATEST MEASUREMENT OF LIQUID HYDROCARBONS BY POSITIVE DISPLACEMENT METER
API 2502 : LATEST LEASE AUTOMATIC CUSTODY TRANSFER
API 2533 : LATEST METERING VISCOUS HYDROCARBONS, RECOMMENDED PRACTICE FOR DESIGN, INSTALLATION, OPERATION AND PROVING OF METERS AND METER ACCESSORIES FOR MEASUREMENT OF VISCOUS HYDROCARBONS
API 2546 : LATEST METHOD OF SAMPLING PETROLEUM AND PETROLEUM PRODUCTS
API 2534 : LATEST TURBINE FLOWMETERS AND APPLICATION TO HYDROCARBON PRODUCTS

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.