ABSTRACT

Cost factors of gas line repair, (in Oil gas .i. . vol. 42, July 22, 1 9 4 3, PP. 49)

Curves for modern type line pumping unit assist in making estimates of cost, by W.R. Layn. (in Oil gas .i. . vol. 31, Sept. 29, 1 9 3 2, pp. 109-no)

Economical alignment for pipe lines, by C.S. Larkey. (in. Pet. eng.. vol. 18, May 1947, PP· 57-60)

Economical alignments for pipe lines, by P. Bryan, (in Pet. eng.. vol. 18, Oct. 1946, pp. 212* 214)

Gives mathematical discussion on the most economical arrangement of piping# Discussion, by A.J. Geiger, vol. 18, August 1 9 4 7, PP· 161-162.