Surface casing definition
Surface casing means the first string of well casing to be installed in the well.
Surface casing means the first casing string designed and run to protect the treatable water formations and/or control fluid or gas flow from the well.
Surface casing means a string of casing set and cemented to isolate and protect the deepest underground source of drinking water and to serve as a base for well control equipment.
Examples of Surface casing in a sentence
Surface casing was set and sealed with cement from 20 ft (6.1 m) to ground level.
More Definitions of Surface casing
Surface casing means a large diameter casing string set in shallow, yet competent, formations used to protect groundwaters, provide sufficient structural integrity to bear the weight of subsequent casing strings, and pressure integrity to contain the pressures anticipated to the next casing point.
Surface casing means the casing string or strings used primarily for protecting fresh water or mineralized water resources from potential contamination during the drilling and operation of an oil or gas well, or both.
Surface casing means a string of casing set and cemented in a gas well to prevent lost circulation while drilling deeper and to protect strata known or reasonably expected to serve as a source of drinking water for human consumption.
Surface casing means a pipe or tube used as a lining in a well to isolate the fresh water zone from the well.
Surface casing means any casing placed in the well bore for the purpose of protecting fresh water strata and other reservoir rock, and/or for the prevention of the invasion of fresh water into the well bore.
Surface casing. (water protection string) means pipe designed to protect the freshwater sands.
Surface casing means a pipe or tube used as a lin- ing in a well to isolate the fresh water zone from the well.