Many (likely most) gas pipeline companies struggle with lost-and-unaccounted-for-gas (L&U) and it can be a significant cost to their bottom line as shown below.
As shown in this inset, by reducing L&U from 0.6 percent to .25 percent, a typical company with a 2 BCF daily throughput could save Over 7.6 million dollars annually based on $3.00 gas prices, which is a daily loss of $21,000.