Oilfield

Oilfield

Oilfield refers to a region with an abundance of oil wells extracting petroleum from below the ground.

Contributors in Oilfield

Oilfield

A perforating-gun system containing big-hole or gravel-pack charges. A gravel-pack gun usually has a large outside diameter to minimize standoff between the gun and casing. It is loaded to achieve a ...

carrier gun

Oil & gas; Oilfield

A perforating gun, consisting of a loading tube and shaped charges. The shaped charges are housed inside a metal tube or pipe known as a carrier. The carrier protects the charges against well fluids.

high-shot density gun

Oil & gas; Oilfield

A perforating gun having more than four shots per foot. In addition to providing a greater number of perforations, a high-shot density gun also improves the phasing, or distribution of perforations, ...

scallop gun

Oil & gas; Oilfield

A perforating gun with a recess profile in the perforating gun body adjacent to the shaped charge. The scallop profile reduces the external burrs created as the perforating jet exits the gun body, ...

expendable gun

Oil & gas; Oilfield

A perforating gun assembly that disintegrates upon firing, thereby reducing the volume and dimensions of retrieved components. Expendable guns are typically used where wellbore restrictions allow ...

retrievable gun

Oil & gas; Oilfield

A perforating gun designed to be retrieved from the wellbore after firing. Retrievable guns are generally configured for minimal debris and distortion of the gun body to help ensure easy retrieval.

through-tubing gun

Oil & gas; Oilfield

A perforating gun assembly designed to run through the restricted clearance of production tubing, then operate effectively within the larger diameter of the casing or liner below. A range of ...