The chart below is also available in pdf format here: PST-Gas-PHMSA-pipeline-data-20130722
GAS TRANSMISSION AND GATHERING PIPELINE SYSTEMS DATA FROM PHMSA | ||||
DRAFT 2012 (PHMSA date: 7/1/13)(1) |
2011 (PHMSA date: 6/28/13)(2) |
2009(2) | 2006(2) | |
TOTAL miles of Transmission Pipelines | 302,386 | 304,944 | 304,415 | 300,339 |
Miles of Onshore | 297,091 | 299,631 | 298,837 | 293,720 |
Miles of Offshore | 5,295 | 5,313 | 5,578 | 6,619 |
Miles of Transmission Lines in HCA | 19,750 | 20,374 | N/A | N/A |
Onshore | 19,745 | 20,428 | ||
Offshore | 5 | 9 | ||
TOTAL miles of Gathering Pipelines (regulated)(3) | 16,657 | 20,155 | 20,535 | 20,763 |
Miles of Onshore Type A | 7,294 | 8,574 | 13,890 | 13,203 |
Miles of Onshore Type B | 4,013 | 5,114 | ||
Miles of Offshore | 5,351 | 6,466 | 6,645 | 7,560 |
Volume transported in M cubic feet by commodity (Transmission Pipelines) | 113,108,550,401 | 64,398,875,746 | N/A | N/A |
Natural Gas | 112,939,160,474 | 63,521,515,353 | ||
Propane Gas | 0 | 448,059,394 | ||
Synthetic Gas | 56,614 | 170,748 | ||
Hydrogen Gas | 45,740,123 | 4,370,024 | ||
Landfill Gas | 2,725,142 | 4,199,276 | ||
Other Gas | 120,868,048 | 420,560,950 | ||
Miles of Steel Transmission Pipe Total | 295,222 | 303,334 | 302,849 | 299,203 |
Coated Cathodically protected | 287,459 | 293,932 | 295,759 | 289,077 |
Bare Cathodically protected | 5,902 | 8,131 | 5,524 | 7,959 |
Coated not cathodically protected | 558 | 140 | 192 | 342 |
Bare Not Cathodically protected | 1,303 | 1,131 | 1,374 | 1,824 |
Miles of Steel Gathering Pipe Total | 15,018 | 18,043 | 19,125 | 19,491 |
coated cathodically protected | 13,759 | 15,892 | 17,521 | 17,994 |
Bare Cathodically protected | 330 | 670 | 441 | 841 |
Coated Not cathodically protected | 688 | 1,013 | 365 | 220 |
Bare not Cathodically protected | 241 | 468 | 798 | 437 |
TOTAL miles Steel pipe | 310,240 | 321,377 | 321,974 | 318,694 |
TOTAL Miles of Non Steel Pipe | 2,420 | 3,667 | 2,976 | 2,408 |
Sub total Transmission non steel pipes (miles) | 1,330 | 1,545 | 1,565 | 1,136 |
Cast Iron | 0 | 0 | 33 | 40 |
Wrought Iron | 61 | 59 | ||
Plastic | 1,207 | 1,427 | 1,150 | 737 |
Composite | 3 | 0 | N/A | N/A |
Other | 59 | 60 | 382 | 359 |
Sub total Gathering non-steel Pipes (miles) | 1,090 | 2,121 | 1,410 | 1,271 |
Cast Iron | 0 | 38 | 0 | 2 |
Wrought Iron | 1 | 1 | ||
Plastic | 1,076 | 2,048 | 1,208 | 1,062 |
Composite | 5 | 0 | N/A | N/A |
Other | 8 | 35 | 202 | 207 |
Inspections and Repairs | N/A | N/A | ||
Total miles inspected using all methods | 59,212 | 50,002 | ||
Total number of anomalies repaired in and out of HCA segment | 39,973 | 33,120 | ||
Total number of conditions repaired in an HCA segment | 1,129 | 1,483 | ||
Total Mileage inspected using the following in line inspection tools | 49,836 | 43,971 | ||
Corrosion or metal loss tools | 23,697 | 21,267 | ||
Dent or deformation tools | 23,927 | 20,263 | ||
Crack or long seam defect tools | 1,495 | 1,153 | ||
Any other internal inspection tools | 717 | 1,288 | ||
Repairs made based on ILI | 39,147 | 32,141 | ||
Total miles inspected by pressure testing | 2,069 | 1,687 | ||
Total repairs following pressure test failures | 52 | 71 | ||
Total miles inspected by Direct Assessment | 4,793 | 3,273 | ||
ECDA | 2,163 | 2,000 | ||
ICDA | 1,757 | 893 | ||
SCCDA | 873 | 379 | ||
Total anomalies identified by DA and repaired in and out of HCA | 750 | 853 | ||
ECDA | 729 | 822 | ||
ICDA | 21 | 25 | ||
SSCDA | 0 | 6 | ||
Total miles inspected by other methods | 2,514 | 1,071 | ||
Total anomalies identified by other methods and repaired in and out of HCA | 24 | 55 | ||
Miles of Transmission pipeline by decade installed | 302,427 | 304,940 | 304,573 | 300,324 |
Pre-1940 or unknown | 14,426 | 14,959 | 16,775 | 20,869 |
1940-1949 | 21,887 | 22,572 | 22,657 | 24,096 |
1950-1959 | 69,386 | 69,891 | 71,391 | 71,008 |
1960-1969 | 71,756 | 72,230 | 73,188 | 73,976 |
1970-1979 | 31,495 | 32,213 | 32,375 | 32,314 |
1980-1989 | 26,020 | 26,438 | 27,384 | 27,624 |
1990-1999 | 30,448 | 31,608 | 32,340 | 32,316 |
2000-2009 | 30,326 | 30,007 | 28,463 | 18,121 |
2010- 2019 | 6,683 | 5,023 | N/A | N/A |
Miles of Gathering line by decade installed | 16,671 | 20,156 | 20,378 | 20,898 |
Pre 1940 or unknown | 1,785 | 3,054 | 1,604 | 1,850 |
1940-1949 | 311 | 381 | 432 | 552 |
1950-1959 | 940 | 867 | 1,347 | 1,708 |
1960-1969 | 1,527 | 1,890 | 2,528 | 2,890 |
1970-1979 | 2,172 | 2,656 | 2,926 | 3,466 |
1980-1989 | 2,624 | 3,363 | 3,607 | 4,200 |
1990-1999 | 3,060 | 3,118 | 3,458 | 4,086 |
2000-2009 | 3,283 | 4,105 | 4,475 | 2,147 |
2010-2019 | 970 | 721 | N/A | N/A |
Incidents and failures in HCA segments | ||||
Incidents(4) | 15 | 10 | 6 | 8 |
Failures | 23 | 22 | N/A | N/A |
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