Boring or penetrating the earth – Processes – Boring with specific fluid
Reexamination Certificate
2011-07-05
2011-07-05
Wright, Giovanna C (Department: 3672)
Boring or penetrating the earth
Processes
Boring with specific fluid
C175S424000
Reexamination Certificate
active
07971658
ABSTRACT:
Method is provided for drilling of formations containing carbonate minerals with flexible tubing capable of being turned in a very short radius. The very flexible tubing may be placed inside a work string in a well with coiled tubing and a micro-jet bit on the tubing be diverted to a selected direction and depth. Acidic drilling fluid pumped through the micro-jet bit allows high rates of drilling with hydrochloric acid. A slip joint between coiled tubing and the flexible tubing may be used to allow jet drilling without movement of the coiled tubing and use of a jet bit with forward-facing jets. Mixing of acid and base solutions downhole may be used to provide hotter acid solutions for drilling.
REFERENCES:
patent: 2258001 (1941-10-01), Chamberlain
patent: 2271005 (1942-01-01), Grebe
patent: 3746088 (1973-07-01), Haskin et al.
patent: 4431069 (1984-02-01), Dickinson, III
patent: 5173007 (1992-12-01), Krajieck
patent: 5246273 (1993-09-01), Rosar
patent: 5373906 (1994-12-01), Braddick
patent: 5771984 (1998-06-01), Potter
patent: 6152356 (2000-11-01), Minden
patent: 6263984 (2001-07-01), Buckman, Sr.
patent: 6347675 (2002-02-01), Kolle
patent: 6668948 (2003-12-01), Buckman, Sr.
patent: 6772847 (2004-08-01), Rae
patent: 7168491 (2007-01-01), Malone
patent: 2003/0164252 (2003-09-01), Rae et al.
patent: 2006/0260818 (2006-11-01), Meijer et al.
Cooke Law Firm
Cooke, Jr. Claude E.
Loikith Catherine
Love John J.
Wright Giovanna C
LandOfFree
Chemically Enhanced Stimulation of oil/gas formations does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Chemically Enhanced Stimulation of oil/gas formations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chemically Enhanced Stimulation of oil/gas formations will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2684846