Conductor casing definition

Conductor casing means a casing string used to support unconsolidated surface deposits.
Conductor casing means a casing string which is often set and cemented at a shallow depth to support and protect the top of the borehole from erosion while circulating and drilling the surface casing hole.
Conductor casing means one or more strings of casing set and cemented to provide a base for an air body for diversion of shallow naturally occurring natural gas including coalbed methane and to accomplish one or more of the following well construction objectives:

Examples of Conductor casing in a sentence

  • Conductor casing must be set to a depth of at least forty feet (40') or into a competent stratum, whichever is greater.

  • Conductor casing or surface casing shall not be removed from any wellbore during plugging and abandonment operations.

  • Conductor casing or conductor pipe--A short string of large-diameter casing used to keep the top of the wellbore open during drilling operations.

  • Conductor casing set in a drilled hole must be cemented by filling the annular space with cement from the shoe to the surface.

  • Conductor casing shall be cemented to surface if there is an annular space.


More Definitions of Conductor casing

Conductor casing means the temporary or permanent casing used in the upper portion of the [well bore] borehole to prevent collapse of the formation during the construction
Conductor casing means the pipe ordinarily used to support unconsolidated surface deposits and to prevent the subsurface infiltration of surface water or fluids into the wellbore.
Conductor casing means casing that is installed in a well to facilitate well control during drilling of the hole for the surface casing; ( tubage initial )
Conductor casing means a tubular retaining structure installed in the upper portion of a well between the wall of the drilled hole and the inner well casing.
Conductor casing means an outer casing installed in the upper part of the well to control a caving formation during the well construction.
Conductor casing means a casing installed and cemented in a well to perform the same function as a conductor pipe and also to facilitate well control during drilling of the hole that will contain the surface casing.
Conductor casing means one or more strings of casing set and cemented to provide a base for