Surface pipe:

It varies in length from a few hundred to several thousand feet.

Some states require a minimum length to protect freshwater sands.

Compare conductor pipe.

Terms Related to Surface pipe

• Conductor casing

  Generally, the first string of casing in a well. It may be lowered into a hole drilled into the formations near the surface and cemented ...

• Riser pipe

  The pipe and special fittings used on floating offshore drilling rigs to establish a seal between the top of the wellbore, which is on the ...

• External cutter

  A fishing tool containing metal-cutting knives that is lowered into the hole and over the outside of a length of pipe to cut it. The ...

• Joint

  A single length (30 feet or 9 meters) of drill pipe, drill collar, casing, or tubing that has threaded connections at both ends. Several joints ...

• Washpipe

  1. A short length of surface-hardened pipe that fits inside the swivel and serves as a conduit for drilling fluid through the swivel. 2. Sometimes ...

• Conductor pipe

  A short string of large-diameter casing used to keep the wellbore open and to provide a means of conveying the upflowing drilling fluid from the ...

• Coiled tubing

  A long, continuous length of pipe wound on a spool. The pipe is straightened prior to pushing into a wellbore and recoiled to spool the ...