Patent ID: 8727023
Filing Date: 2014-05-20
Classification: E21B

Abstract:
1. A fold-down wireline lubricator comprising: a lubricator portion having one end comprising a first seal portion and a first through-going passage for receiving a part of a wireline, and a second part with a second seal portion and a second through-going passage for receiving a part of a wireline, wherein said lubricator portion being pivotally connected to said second part such that said fold-down wireline lubricator is capable of assuming a first configuration and a second configuration, wherein in said second configuration said first and second through-going passages are aligned and said first and second seal portions engage each other to provide a sealed wireline passage defined by said aligned first and second through-going passages, wherein a pair of anti rotation bars extend outwardly from opposite sides of the outer surface of the end the lubricator portion that comprises the first seal portion, wherein said second part comprises a body portion that includes a pair of vertically arranged apertures and a pair of horizontally arranged apertures on opposing sides of said body portion, wherein said vertically and horizontally arranged apertures intersect one another, and wherein said horizontally arranged apertures extend to respective edges of the body portion to provide openings that facilitate entry of the anti rotation bars into the horizontally arranged apertures.