A liner that has had holes shot in it by a perforating gun. see liner.

A liner without perforations.

A pipe that is perforated and often arranged with a wire wrapping to act as a sieve to prevent or minimize the entry of sand particles into the wellbore. also called a screen pipe.

A method of preparing a well for production in which no production casing or liner is set opposite the producing formation. reservoir fluids flow unrestricted into the open wellbore. an open-hole completion has limited use in rather special situations. also called a barefoot completion.

A mass of very fine gravel placed around a slotted liner in a well.

A spring-actuated metal band or ring(ferrule) used to expand a liner patch when making casing repairs. see liner patch.

A short section of plain tubing used to separate or space-out specialized components in a completion assembly. blank pipe is commonly used in sand control completions where intervals of screen are separated by short sections of blank pipe. the term is also used to describe unperforated sections of casing or liner.

A remedial cementing operation designed to force cement into leak paths in wellbore tubulars. the required squeeze pressure is achieved by carefully controlling pump pressure. squeeze cementing operations may be performed to repair poor primary cement jobs, isolate perforations or repair damaged casing or liner.

Any method by which large amounts of sand in a sandy formation are prevented from entering the wellbore. sand in the wellbore can cause plugging and premature wear of well equipment. see gravel pack, sand consolidation, screen liner.

A cast-iron or magnesium drillable tool consisting of a packing assembly and a back-pressure valve. it is used to close off the annular space between tubing or drill pipe and casing to allow the placement of cement or fluid through the tubing or drill pipe at any predetermined point behind the casing or liner, around [...]

To place a slotted or perforated liner in a well and surround it with gravel

A method of well completion in which a slotted or perforated liner, often wire-wrapped, is placed in the well and surrounded by gravel. if open hole, the well is sometimes enlarged by underreaming at the point where the gravel is packed. the mass of gravel excludes sand from the wellbore but allows continued production.

1. to recover from a well any equipment left there during drilling operations, such as a lost bit or drill collar or part of the drill string. 2. to remove from an older well certain pieces of equipment (such as packers, liners, or screen liner) to allow reconditioning of the well.

A device used to measure the depth of a well or the depth at a specific point in a well (such as to the top of a liner or to a fish) by counting the turns of a calibrated wheel rolling on a wireline as it is lowered into or pulled out of the well.