1.   Representatives of the oil pipeline industry say they are concerned about the degree to which pipelines are leaking and rupturing but that the record is improving.

2.   The two had been inspecting a property where a pipeline had been leaking odorless gas.

3.   He apparently held them responsible for corrosion that caused the pipeline to leak and faulty software that he said allowed the accident to go unnoticed for several hours.

4.   Heavy rain in the area was thought to have caused the pipeline to leak, and a small quantity of gas somehow ignited.

5.   Two weeks ago, a Petrobras oil pipeline leaked in the same area, flooding ritzy condominiums and seeping into the Tiete river.

6.   An oil pipeline is leaking into a river in northern Siberia, Interfax news agency reported Wednesday.

7.   The pipeline leaked for years while Komineft said nothing, but oil suddenly started gushing out last summer when protective barriers surrounding it ruptured.