API PUBL 4638-1996

$20.15

Calculation Workbook for Oil and Gas Production Equipment Fugitive Emissions

Published By	Publication Date	Number of Pages
API	1996	59

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Description

The purpose of this workbook is to provide a variety of methods for calculating fugitive hydrocarbon emissions from petroleum production equipment components. All of the methods use US EPA approved procedures to arrive at emission estimates. The methods vary in the amount of site-specific data required.

The American Petroleum Institute (API) co-sponsored three field monitoring programs to collect information from petroleum production operations, refining operations, and marketing terminal operations. The information included instrument screening data from petroleum production and marketing terminal operations, and leak quantification data from all three types of operations.

EPA used the API screening data and leak quantification data from petroleum production operations to develop "Screening Value Range Emission Factors" (see Chapter 4), EPA used leak quantification data from the three types of operations to develop "Default Zero Factors, Emission Correlation Equations, and Pegged Source Factors" (see Chapter 5). EPA used screening data from petroleum production operations and default zero factors, emission correlation equations, and pegged source factors to develop "Average Emission Factors" for petroleum production operations (see Chapter 3).

This workbook explains each of the three EPA emission estimation methods plus a fourth method that uses field quantification techniques to determine emissions from leaks. These methods use data currently available on the EPA Computer Bulletin Board. As with any EPA accepted methodologies and factors, future revisions are possible. If there are any questions about the acceptability of the methods contained in this workbook, contact the EPA or the local regulatory agency.

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