Invention Grant
US09580982B2 Coring tools with improved reliability during core jams, and related methods 有权
在核心卡纸期间提高可靠性的取心工具及相关方法

Coring tools with improved reliability during core jams, and related methods
Abstract:
An inner barrel assembly for use with a coring tool may include a sleeve located coaxially within an inner barrel in a telescoping manner. The core barrel assembly may also include a cap located above a top end of the sleeve when the inner barrel assembly is in an initial coring position. The cap may include a skirt having a portion extending downwardly from the cap. A coring tool including an inner barrel assembly and methods of forming an inner barrel assembly are also disclosed.
Information query
Patent Agency Ranking
0/0