Invention Grant
- Patent Title: Apparatus and method for abrasive jet perforating
- Patent Title (中): 磨料射孔穿孔装置及方法
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Application No.: US12380062Application Date: 2009-02-22
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Publication No.: US07963332B2Publication Date: 2011-06-21
- Inventor: Thomas L. Dotson , James F. Farr
- Applicant: Thomas L. Dotson , James F. Farr
- Agent Charles R. Schweppe
- Main IPC: E21B43/11
- IPC: E21B43/11

Abstract:
A abrasive jet perforating tool comprises a generally cylindrically shaped tube with a side, an upper portion, and a lower portion; a plurality of holes tapped and threaded into the side of the tube; threaded abrasive jets mounted in at least some of the plurality of threaded holes; protective plates mounted on the side of the tube around the abrasive jets; gauge rings that slide onto an outer diameter of the upper portion and the lower portion of the tube; and a mechanical casing collar locator connected to the upper portion of the tube.
Public/Granted literature
- US20100212903A1 Apparatus and method for abrasive jet perforating Public/Granted day:2010-08-26
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