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API RP 1103

4th Edition, August 1965

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Product Details:

  • Revision: 4th Edition, August 1965
  • Published Date: August 1965
  • Status: Not Active, See comments below
  • Document Language:
  • Published By: American Petroleum Institute (API)
  • Page Count: 19
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


The oil industry has a need for a generally-acceptable, planned program for setting, connecting, maintaining and operating production lease tanks which provides convenience of operation and accuracy of measurement for the benefit of all concerned.

Some lease tanks or tank batteries lack proper facilities, or have these improperly arranged, to enable the correct handling of the oil as produced or run to the pipe line. Many more of them have been connected in a way that fails to promote the safety and convenience of the employee who must work on and around them year after year in all types of weather.

This Recommended Practice should be considered as a guide on new tank battery installations and for revamping existing batteries, if this is necessary for any reason. It contains recommendations for good practices in the handling of lease tanks which are limited to those which serve jointly (1) the collection of well or lease production, (2) its gauging, and (3) its delivery to pipe line carriers for transportation. This Recommended Practice is not intended to deal with tanks which do not serve as origin tanks for pipe line shipments, such as those used only for production gauging, gravity blending, cleaning, dehydrating or other producer operations. Lease automatic custody transfer operations are discussed in API RP 2502, API RECOMMENDED PRACTICE FOR LEASE AUTOMATIC CUSTODY TRANSFER.

Prints entitled "Lease Tank Battery Installation" are a part of the Recommended Practice. They show a three-tank battery which exemplifies most of the recommendations stated in the text.

Some of the Recommended Practices, and some features of the "Lease Tank Battery Installation" may differ from local custom or fail to accommodate the production or running of unusual grades of crude. Such exceptions should be treated as conditions warrant. It is hoped and expected, however, that this Recommended Practice will receive sympathetic study by all concerned, and that constructive comment and criticism will be offered to guide its later revisions

This Recommended Practice of the American Petroleum Institute has been prepared by Group 5CI-Gathering Operations, of the Central Committee on Pipe Line Transportation, in the Division of Transportation, and has been approved by appropriate committees within the Division of Transportation and the Division of Production. It is a revision of a Bulletin originally prepared in 1951 by a Subcommittee of the Division of Transportation.