Horizontal drilling through casing window

Details Horizontal drilling through casing window Horizontal drilling through casing window

1989-03-08

1990-01-02

Novosad, Stephen J.

Wells

Processes

Destroying or dissolving well part

175 61, 175 62, E21B 704, E21B 1700, E21B 2902

Patent

active

048906751

ABSTRACT:
A chemically removable casing section is spotted in a casing string opposite a formation through which a horizontal borehole is to be drilled. The casing section is selectively dissolved by a chemical solution, and a horizontal borehole is drilled into the formation through the window in the casing string.

REFERENCES:
patent: 2261292 (1941-11-01), Salnikov
patent: 2383496 (1945-08-01), Nebolsine
patent: 2436198 (1948-02-01), Cardwell et al.
patent: 2725942 (1955-12-01), McCullough
patent: 4051908 (1977-10-01), Driver

Affiliated with

Also associated with

Rating

Horizontal drilling through casing window does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Horizontal drilling through casing window, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Horizontal drilling through casing window will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1378962