The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 29, 2016

Filed:

Sep. 21, 2009
Applicants:

Jeremie C. Fould, Courbevoie, FR;

Timothy M. O'rourke, Austin, TX (US);

Inventors:

Jeremie C. Fould, Courbevoie, FR;

Timothy M. O'Rourke, Austin, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 41/00 (2006.01); E21B 43/14 (2006.01);
U.S. Cl.
CPC ...
E21B 41/0035 (2013.01); E21B 43/14 (2013.01);
Abstract

A method for constructing a multilateral well includes drilling a main well, drilling a first lateral well from the main well, installing a production reentry deflection tool in the main well, proximate the first lateral, the first production reentry deflection tool having a first inner diameter, drilling a second lateral well from the main well and above the first lateral well, and installing a second production reentry deflection tool in the main well, proximate the second lateral, the second production reentry deflection tool having a second inner diameter. The first inner diameter is smaller than the second inner diameter.


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