COATED SLEEVED OIL GAS WELL PRODUCTION DEVICES

WIPO Patent Application WO/2012/116036

A3

Provided are coated sleeved oil and gas well production devices and methods of making and using such coated sleeved devices. In one form, the coated sleeved oil and gas well production device includes one or more cylindrical bodies, one or more sleeves proximal to the outer diameter or inner diameter of the one or more cylindrical bodies, hardbanding on at least a portion of the exposed outer surface, exposed inner surface, or a combination of both exposed outer or inner surface of the one or more sleeves, and a coating on at least a portion of the inner sleeve surface, the outer sleeve surface, or a combination thereof of the one or more sleeves. The coating includes one or more ultra-low friction layers, and one or more buttering layers interposed between the hardbanding and the ultra-low friction coating. The coated sleeved oil and gas well production devices may provide for reduced friction, wear, erosion, corrosion, and deposits for well construction, completion and production of oil and gas.

JIN HYUNWOO (US)
BAILEY JEFFREY R (US)
OZEKCIN ADNAN (US)
ERTAS MEHMET DENIZ (US)
RAJAGOPALAN SRINIVASAN (US)
HAQUE TABASSUMUL (US)
ZHAO BO (US)
WALKER TERRIS F (US)

PCT/US2012/026065

August 22, 2013

February 22, 2012

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EXXONMOBIL RES & ENG CO (US)
JIN HYUNWOO (US)
BAILEY JEFFREY R (US)
OZEKCIN ADNAN (US)
ERTAS MEHMET DENIZ (US)
RAJAGOPALAN SRINIVASAN (US)
HAQUE TABASSUMUL (US)
ZHAO BO (US)
WALKER TERRIS F (US)

E21B41/00; E21B17/042; E21B17/10

US20020038727A1	2002-04-04
US20100206553A1	2010-08-19
US20100044110A1	2010-02-25
US20100038407A1	2010-02-18

PURWIN, Paul, E. et al. (1545 Route 22 East P.O. Box 90, Annandale NJ, US)

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