Abstract: A compressor includes: a casing with an inner wall defining a compression chamber, an inlet leading into the compression chamber, and an outlet leading out of the compression chamber; a rotor rotatably coupled to the casing for rotation relative to the casing; and a gate coupled to the casing for movement relative to the casing. The gate may be pivotally, or translationally coupled to the casing. A hydrostatic bearing may be disposed between the gate and casing. A plurality of compressors may be mechanically linked together such that their compression cycles are out of phase.

Abstract: A downhole tool, a retrievable bridge plug system, and a method. The downhole tool includes a release mandrel, a plurality of slips disposed at least partially around the release mandrel, an upper cone disposed at least partially around the release mandrel and on a first axial side of the plurality of slips, a lower cone disposed at least partially around the outer mandrel and on a second axial side of the plurality of slips, and a collet positioned axially and radially between the release mandrel and the lower cone. The collet is configured to prevent downward movement of the lower cone relative to the release mandrel at least when the downhole tool is in a run-in configuration and when the downhole tool is in a set configuration.