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. 23, 2020

Filed:

Jan. 22, 2016
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventors:

Kashif Rashid, Wayland, MA (US);

Sandeep Verma, Acton, MA (US);

Kim Hodgson, Sugar Land, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); F04B 49/06 (2006.01); F04B 23/04 (2006.01); F04B 11/00 (2006.01); F04B 53/00 (2006.01); F04B 15/02 (2006.01); E21B 33/13 (2006.01); F04B 49/20 (2006.01); F04B 51/00 (2006.01);
U.S. Cl.
CPC ...
F04B 49/065 (2013.01); E21B 33/13 (2013.01); E21B 43/26 (2013.01); F04B 11/005 (2013.01); F04B 15/02 (2013.01); F04B 23/04 (2013.01); F04B 49/20 (2013.01); F04B 51/00 (2013.01); F04B 53/001 (2013.01);
Abstract

A technique for reducing harmonic vibration in a multiplex multi-pump system. The technique includes establishing a lower bound of system specific vibration-related information such as via pressure variation or other vibration indicator. Establishing the lower bound may be achieved through simulation with the system or through an initial sampling period of pump operation. During this time, random perturbations through a subset of the pumps may be utilized to disrupt timing or phase of the subset. Thus, system vibration may randomly increase or decrease upon each perturbation. Regardless, with a sufficient number of sampled perturbations, the lower bound may be established. Therefore, actual controlled system operations may proceed, again employing random perturbations until operation of the system close to the known lower bound is substantially attained.


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