Title:
METHODS OF MAKING A DRILLING TOOL WITH LOW FRICTION COATINGS TO REDUCE BALLING AND FRICTION
Document Type and Number:
WIPO Patent Application WO/2014/100608
Kind Code:
A8
Abstract:
Provided are methods to make a drilling tool with low friction coatings to reduce balling and friction, In one form, the method includes providing one or more drilling tool components with specified locations for fitting cutters, inserts, bearings, rollers, additional non-coated components, or combinations thereof; cleaning the one or more drilling tool components; applying masking for fitting cutters, inserts, bearings, rollers, additional non-coated components or combinations thereof; applying a multi-layer low friction coating to the cleaned specified locations; removing the masking from the cleaned and coated specified locations of the one or more drilling components; inserting cutters and inserts and assembling moving parts to the cleaned and coated specified locations of the one or more drilling tool components; and assembling the one or more drilling tool components to form a drilling tool.
Inventors:
BAILEY JEFFREY R (US)
RAJAGOPALAN SRINIVASAN (US)
HAQUE TABASSUMUL (US)
OZEKCIN ADNAN (US)
ERTAS MEHMET DENIZ (US)
JIN HYUNWOO (US)
ZHAO BO (US)
MUELLER RUSSELL R (US)
RAJAGOPALAN SRINIVASAN (US)
HAQUE TABASSUMUL (US)
OZEKCIN ADNAN (US)
ERTAS MEHMET DENIZ (US)
JIN HYUNWOO (US)
ZHAO BO (US)
MUELLER RUSSELL R (US)
Application Number:
PCT/US2013/076970
Publication Date:
July 23, 2015
Filing Date:
December 20, 2013
Export Citation:
Assignee:
EXXONMOBIL RES & ENG CO (US)
International Classes:
C23C28/04; C23C28/00; E21B10/00; E21B17/00; E21B17/10
Attorney, Agent or Firm:
MIGLIORINI, Robert, A. et al. (1545 Route 22 East P.O. Box 90, Annandale NJ, US)
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