Fishing Operations and Equipment

By any standard of measure, corrosion is a severe and costly problem in the drilling industry. Corrosion costs the oilfield millions of dollars each year, and a large portion of this expense is due to the replacement of steel goods. Other expenses include lost drilling time due to equipment repairs, fishing operations, and extra trips caused by corrosion-related failures. 

Bottom hole assemblies and certain types of downhole equipment (e.g. logging tools, MWD tools) cost several US 100,000. Some logging tools will have radioactive sources which may need to be recovered or isolated for safety and legal reasons. However, prior to commencing fishing operations, a cost - benefit assessment will have to be made to establish that the time and equipment attributable to the fishing job is justified by the value of the fish or the cost of sidetracking the hole. 

Farms, ranches, and feedlots provide food but often are major sources of pollution. Modern feedlots store sewage in lagoons where solids can be collected. Effluent water from lagoons often contains microorganisms that serve as food in fish farms, and solids from the lagoons can be processed into fertilizer. The effectiveness of these operations is often determined by the size of the operation and the need for cleanup. Larger operations can afford more complex remediation equipment and tend to be more cost-effective than small ones. Most large feedlots are located away from population centers whose residents often complain of the odors. 

Engineers inspect the integrity of the dam at frequent intervals. Naturalists ensure that any fish ladders or other equipment function appropriately and are in operation at the times that are essential to the upriver journey of the fish. Naturalists also oversee the health of the fish population and the reservoir. 

Other failures of pipelines generally occur as a result of third party activity and natural hazards. Offshore, pipelines are generally more susceptible to fishing boats dragging their anchors on the seabed. Onshore pipelines are vulnerable to impacts from earth moving operations for construction or road grading. On occasion impacts from mobile equipment may also directly strike and damage the pipeline. 

The hood and other inaccessible parts of fryer are equipped with spray nozzles as part of the cleaning-in-place (CIP) system installed by the fryer manufacturers. The CIP systems are common with equipment designed for operation in the plants processing meat, poultry, or fish where daily sanitation of the frying system is mandatory. However, the fryer pan, the piping, and the external oil heater must be washed with caustic solution or sanitizing chemical to remove the residual oil and crumbs left after the fryer is emptied. 

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