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:
Jun. 06, 2017

Filed:

Jan. 14, 2016
Applicant:

Chevron U.s.a. Inc., San Ramon, CA (US);

Inventor:

Henry Anthony Bergeron, Houston, TX (US);

Assignee:

CHEVRON U.S.A. INC., San Ramon, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/12 (2006.01); E21B 33/035 (2006.01); E21B 33/064 (2006.01); E21B 43/10 (2006.01); E21B 33/14 (2006.01);
U.S. Cl.
CPC ...
E21B 7/12 (2013.01); E21B 33/035 (2013.01); E21B 43/101 (2013.01); E21B 33/143 (2013.01);
Abstract

A method of offshore batch drilling includes attaching a first MCD to a high pressure wellhead of a first subsea well and attaching a second MCD to a high pressure wellhead of a second subsea well. The method further includes drilling a section of the first subsea well to below a surface casing of the first subsea well through the first MCD. The method also includes drilling a section of the second subsea well to below a surface casing of the second subsea well through the second MCD. Drilling the section of the first subsea well and drilling the section of the second subsea well are performed from an offshore structure.


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