This paper introduces the accident treatment procedures,and analyzes the causes according to one direct crude oil furnace tubes perforated accident.

The geologic design, trajectory control, downhole accident treatment and some application experience are also introduced.

This paper introduces a successful case of revealing a hidden structure danger by supervision inspection, and discusses the proper sequence of supervision and accident treatment.

In view of the low efficiency of accident disposal in urban rail transit system and lack of process collaboration among several assisted control systems,this paper analyzes emergency treatment process according to workflow process management concept.

A module of accident disposal in waterpower plant was designed.

This paper makes an attempt and has a discussion of construction of pile bottom of mixed rock ground base with much water taking the construction, check and accident disposal of piles of Guangming Bridge in Jishou as an example, and elaborates the importance that the design and construction of pile bottom should meet the standard.

By means of system engineering, taking the railway freight transportaccident as background and by referring to relevant railway regulations, thesatisfactory evaluation system for railway freight transport accident handling iscreated.

Discussion on trouble removal method of water well;