Table 4. Data From Six Main Large-bore Crude Trunk Lines Crossing Area (Excludes Countries With Possible Gathering Systems and Product-lines: Crockett, Irion, Reagan, Upton, and Tom Green Counties, Texas)

A. Area Pipeline Oil Spills (1971-1985):
 
Total Spills
33
100.0%
Spills greater than 49 barrels
18
54.6%
Spills greater than 99 barrels
18
54.6%
Spills greater than 199 barrels
17
51.6%
Spills greater than 499 barrels
13
39.4%
Spills greater than 999 barrels
12
36.4%
Mean spills = 2,741 barrels
Median spills = 210 barrels

B. Area Pipeline System:
    Large-bore crude oil truck lines included:
 

Shell (Rancho--24")
217 miles
Exxon (18")
214 miles
Phillips (10")
217 miles
Texas/New Mexico (12")
205 miles
American Petrofina (10")
170 miles
Exxon (12" or 2-10")
202 miles
Total pipeline miles
1,225 miles
 

C. Average Annual Spill Rate For Period 1971-1985:
 
 
All spills one spill per 556.8 line-miles per year
Spills greater than 49 barrels one spill per 1,020.8 line-miles per year
Spills greater than 99 barrels one spill per 1,020.8 line-miles per year
Spills greater than 199 barrels one spill per 1,080.9 line-miles per year
Spills greater than 499 barrels one spill per 1,413,5 line-miles per year
Spills greater than 999 barrels one spill per 1,531.3 line-miles per year