Patent
US 9,605,526FRICTION AND WEAR REDUCTION OF DOWNHOLE TUBULARS USING GRAPHENE
SAMUEL, Robello, ANIKET, Nfn
HALLIBURTON ENERGY SERVICES, INC.·28 May 2015·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,605,526Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Graphene monolayer flakes dispersed in ethanol can be applied on steel surfaces by spraying or sprinkling SPO on the intended steel surfaces using any …
FIG. 2 is a flow diagram of an example process 200 for a friction and wear reduction technique for downhole tools disposed in a wellbore, such as those …
FIG. 3 is a flow diagram of an example subsequent operation 300 for friction and wear reduction techniques for do w nhole tools disposed in a w ellbore. In s …
FIG. 4 is a flow diagram of an example process 400 for the application of lubricant for downhole tools, such as th o se described in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently Amended) A method of reducing friction of a drilling equipment positionable in a wel l bore, said method comprising: providing an outer tubular member having a bore with an inner surface; applying a first lubricant layer to at least a portion of the inner surface of the outer tubular member; positioning the outer tubular member in at least a portion of the wellbore; providing a drilling assembly including an inner member having an outer surface, said inner member having a central longitudinal axis aligned with a central longitudinal axis of the outer member; applying a second lubricant layer to at least a portion of the outer surface of the inner member; inserting the inner member into the bore of the outer tubular member; providing a drilling fluid through the bore of the drilling assembly; rotating the inner member relative to the outer member; measuring an indicator of at least one of mechanical wear and friction between the outer member and the inner member; determining that the measured indicator exceeds a predetermined threshold level; and triggering a subsequent operation in response to determining that the measured indicator 3 App l. No. 14/382,408 Reply to Examiner's Action dated exceeds the predetermined threshold level, wherein the subsequent operation comprises increasing a concentration of graphene suspended in the drilling fluid.
The method of claim 1, wherein at least one of the first lubricant layer and the second lubricant layer comprise graphene.
The method of claim 1, wherein the outer tubular member is a tubular casing, liner, or riser and the inner member is a drilling tubular or a drilling tool.
The method of claim 1, wherein the indicator is a concentration of one or more predetermined materials suspended in the drilling fluid and corresponding to at least one of the outer tubular member and the inner member.
The method of claim 1, wherein the indicator indicates an amount of torque developed between the inner member and the outer tubular member.
The method of claim 1, wherein the indicator indicates one or more mechanical dimensions of at least one of the outer tubular member and the inner member.
The method of claim 1, wherein the subsequent operation causes the measured indicator to fall below the predetermined threshold level.
The method of claim 1, wherein at least one of applying a first lubricant layer to the inner surface and applying a second lubricant layer to the outer surface comprises: suspending graphene in a liquid to form a graphene suspension; and applying the suspension to at least one of the inner surface and the outer surface.
The method of claim 1, wherein at least one of applying a first lubricant layer to the inner surface and applying a second lubricant layer to the outer surface comprises: applying graphene to at least one of the inner surface and the outer surface.
canceled
(Cu rr ently Amended) A system for reducing friction of a drill string positionable in a wel lbore, said wellbore comprising at least a portion of an outer tubular member having a bore with an inner surface and a first lubricant layer applied to at least a portion of the inner surface of the outer tubular member; said system comprising: a drilling assembly including: an inner member having an outer surface and a second lubricant layer on the outer surface, said inner member having a central longitudinal axis aligned with a central longitudinal axis of the outer member and said inner member being insertable within the bore of the outer member; a mechanical wear monitor confi gu red to perform operations comprising: measuring an indicator of at least one of mechanical wear and friction between the 5 App l. No. 14/382,408 Reply to Examiner's Action dated outer member and the inner member; determining that the measured indicator exceeds a predetermined threshold level; and triggering a subsequent operation in response to determining that the measured indicator exceeds the predetermined threshold level, wherein the subsequent operation comprises increasing a concentration of graphene suspended in a drilling fluid.
The system of claim 12, wherein at least one of the first lubricant layer and the second lubricant layer comprise graphene.
The system of claim 12, wherein the outer tubular member is a tubular casing, liner, or riser and the inner member is a drilling tubular or a drilling tool.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected concentration of one or more predetermined materials suspended in a drilling fluid and corresponding to at least one of the outer member and the inner member, and wherein the indicator is based on the output.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected amount of torque developed between the inner member and the outer member, and wherein the indicator is based on the output.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected one or more mechanical dimensions 6 App l. No. 14/382. 408 Rep ly to Imxamner' s Action dated August 2 5. 2016 of at least one of the outer member and the inner member, and wherein the indicator is based on the output.
The system of claim 12, wherein the subsequent operation causes the measured indicator to fall below the predetermined threshold level.
The system of claim 12, wherein at least one surface and applying a second lubricant layer to in a liquid to form a graphene suspension: and inner surface and the outer s u rface.
The system of claim 12, wherein at least one surface and applying a second lubricant layer to at least one of the inner surface and the outer layer to the outer surface; and re-inserting the of applying a first lubricant layer to the inner the outer surface comprises: suspending graphene applying the suspension to at least one of the of applying a first lubricant layer to the inner the outer surface comprises: applying graphene to surface. 7
canceled
Layer stacks claimed or described, ordered top of device to substrate.
drilling assembly with friction reduction system
drill string friction reduction system with mechanical wear monitor
Materials described outside the worked examples.
graphene
first lubricant layer
second lubricant layer
Additional fabrication and treatment steps described in the patent.
Patent
Atlas literature
Patent
US 9,605,526Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Graphene monolayer flakes dispersed in ethanol can be applied on steel surfaces by spraying or sprinkling SPO on the intended steel surfaces using any …
FIG. 2 is a flow diagram of an example process 200 for a friction and wear reduction technique for downhole tools disposed in a wellbore, such as those …
FIG. 3 is a flow diagram of an example subsequent operation 300 for friction and wear reduction techniques for do w nhole tools disposed in a w ellbore. In s …
FIG. 4 is a flow diagram of an example process 400 for the application of lubricant for downhole tools, such as th o se described in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently Amended) A method of reducing friction of a drilling equipment positionable in a wel l bore, said method comprising: providing an outer tubular member having a bore with an inner surface; applying a first lubricant layer to at least a portion of the inner surface of the outer tubular member; positioning the outer tubular member in at least a portion of the wellbore; providing a drilling assembly including an inner member having an outer surface, said inner member having a central longitudinal axis aligned with a central longitudinal axis of the outer member; applying a second lubricant layer to at least a portion of the outer surface of the inner member; inserting the inner member into the bore of the outer tubular member; providing a drilling fluid through the bore of the drilling assembly; rotating the inner member relative to the outer member; measuring an indicator of at least one of mechanical wear and friction between the outer member and the inner member; determining that the measured indicator exceeds a predetermined threshold level; and triggering a subsequent operation in response to determining that the measured indicator 3 App l. No. 14/382,408 Reply to Examiner's Action dated exceeds the predetermined threshold level, wherein the subsequent operation comprises increasing a concentration of graphene suspended in the drilling fluid.
The method of claim 1, wherein at least one of the first lubricant layer and the second lubricant layer comprise graphene.
The method of claim 1, wherein the outer tubular member is a tubular casing, liner, or riser and the inner member is a drilling tubular or a drilling tool.
The method of claim 1, wherein the indicator is a concentration of one or more predetermined materials suspended in the drilling fluid and corresponding to at least one of the outer tubular member and the inner member.
The method of claim 1, wherein the indicator indicates an amount of torque developed between the inner member and the outer tubular member.
The method of claim 1, wherein the indicator indicates one or more mechanical dimensions of at least one of the outer tubular member and the inner member.
The method of claim 1, wherein the subsequent operation causes the measured indicator to fall below the predetermined threshold level.
The method of claim 1, wherein at least one of applying a first lubricant layer to the inner surface and applying a second lubricant layer to the outer surface comprises: suspending graphene in a liquid to form a graphene suspension; and applying the suspension to at least one of the inner surface and the outer surface.
The method of claim 1, wherein at least one of applying a first lubricant layer to the inner surface and applying a second lubricant layer to the outer surface comprises: applying graphene to at least one of the inner surface and the outer surface.
canceled
(Cu rr ently Amended) A system for reducing friction of a drill string positionable in a wel lbore, said wellbore comprising at least a portion of an outer tubular member having a bore with an inner surface and a first lubricant layer applied to at least a portion of the inner surface of the outer tubular member; said system comprising: a drilling assembly including: an inner member having an outer surface and a second lubricant layer on the outer surface, said inner member having a central longitudinal axis aligned with a central longitudinal axis of the outer member and said inner member being insertable within the bore of the outer member; a mechanical wear monitor confi gu red to perform operations comprising: measuring an indicator of at least one of mechanical wear and friction between the 5 App l. No. 14/382,408 Reply to Examiner's Action dated outer member and the inner member; determining that the measured indicator exceeds a predetermined threshold level; and triggering a subsequent operation in response to determining that the measured indicator exceeds the predetermined threshold level, wherein the subsequent operation comprises increasing a concentration of graphene suspended in a drilling fluid.
The system of claim 12, wherein at least one of the first lubricant layer and the second lubricant layer comprise graphene.
The system of claim 12, wherein the outer tubular member is a tubular casing, liner, or riser and the inner member is a drilling tubular or a drilling tool.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected concentration of one or more predetermined materials suspended in a drilling fluid and corresponding to at least one of the outer member and the inner member, and wherein the indicator is based on the output.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected amount of torque developed between the inner member and the outer member, and wherein the indicator is based on the output.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected one or more mechanical dimensions 6 App l. No. 14/382. 408 Rep ly to Imxamner' s Action dated August 2 5. 2016 of at least one of the outer member and the inner member, and wherein the indicator is based on the output.
The system of claim 12, wherein the subsequent operation causes the measured indicator to fall below the predetermined threshold level.
The system of claim 12, wherein at least one surface and applying a second lubricant layer to in a liquid to form a graphene suspension: and inner surface and the outer s u rface.
The system of claim 12, wherein at least one surface and applying a second lubricant layer to at least one of the inner surface and the outer layer to the outer surface; and re-inserting the of applying a first lubricant layer to the inner the outer surface comprises: suspending graphene applying the suspension to at least one of the of applying a first lubricant layer to the inner the outer surface comprises: applying graphene to surface. 7
canceled
Layer stacks claimed or described, ordered top of device to substrate.
drilling assembly with friction reduction system
drill string friction reduction system with mechanical wear monitor
Materials described outside the worked examples.
graphene
first lubricant layer
second lubricant layer
Additional fabrication and treatment steps described in the patent.
Patent
Atlas literature
Patent
US 9,605,526Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Graphene monolayer flakes dispersed in ethanol can be applied on steel surfaces by spraying or sprinkling SPO on the intended steel surfaces using any …
FIG. 2 is a flow diagram of an example process 200 for a friction and wear reduction technique for downhole tools disposed in a wellbore, such as those …
FIG. 3 is a flow diagram of an example subsequent operation 300 for friction and wear reduction techniques for do w nhole tools disposed in a w ellbore. In s …
FIG. 4 is a flow diagram of an example process 400 for the application of lubricant for downhole tools, such as th o se described in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently Amended) A method of reducing friction of a drilling equipment positionable in a wel l bore, said method comprising: providing an outer tubular member having a bore with an inner surface; applying a first lubricant layer to at least a portion of the inner surface of the outer tubular member; positioning the outer tubular member in at least a portion of the wellbore; providing a drilling assembly including an inner member having an outer surface, said inner member having a central longitudinal axis aligned with a central longitudinal axis of the outer member; applying a second lubricant layer to at least a portion of the outer surface of the inner member; inserting the inner member into the bore of the outer tubular member; providing a drilling fluid through the bore of the drilling assembly; rotating the inner member relative to the outer member; measuring an indicator of at least one of mechanical wear and friction between the outer member and the inner member; determining that the measured indicator exceeds a predetermined threshold level; and triggering a subsequent operation in response to determining that the measured indicator 3 App l. No. 14/382,408 Reply to Examiner's Action dated exceeds the predetermined threshold level, wherein the subsequent operation comprises increasing a concentration of graphene suspended in the drilling fluid.
The method of claim 1, wherein at least one of the first lubricant layer and the second lubricant layer comprise graphene.
The method of claim 1, wherein the outer tubular member is a tubular casing, liner, or riser and the inner member is a drilling tubular or a drilling tool.
The method of claim 1, wherein the indicator is a concentration of one or more predetermined materials suspended in the drilling fluid and corresponding to at least one of the outer tubular member and the inner member.
The method of claim 1, wherein the indicator indicates an amount of torque developed between the inner member and the outer tubular member.
The method of claim 1, wherein the indicator indicates one or more mechanical dimensions of at least one of the outer tubular member and the inner member.
The method of claim 1, wherein the subsequent operation causes the measured indicator to fall below the predetermined threshold level.
The method of claim 1, wherein at least one of applying a first lubricant layer to the inner surface and applying a second lubricant layer to the outer surface comprises: suspending graphene in a liquid to form a graphene suspension; and applying the suspension to at least one of the inner surface and the outer surface.
The method of claim 1, wherein at least one of applying a first lubricant layer to the inner surface and applying a second lubricant layer to the outer surface comprises: applying graphene to at least one of the inner surface and the outer surface.
canceled
(Cu rr ently Amended) A system for reducing friction of a drill string positionable in a wel lbore, said wellbore comprising at least a portion of an outer tubular member having a bore with an inner surface and a first lubricant layer applied to at least a portion of the inner surface of the outer tubular member; said system comprising: a drilling assembly including: an inner member having an outer surface and a second lubricant layer on the outer surface, said inner member having a central longitudinal axis aligned with a central longitudinal axis of the outer member and said inner member being insertable within the bore of the outer member; a mechanical wear monitor confi gu red to perform operations comprising: measuring an indicator of at least one of mechanical wear and friction between the 5 App l. No. 14/382,408 Reply to Examiner's Action dated outer member and the inner member; determining that the measured indicator exceeds a predetermined threshold level; and triggering a subsequent operation in response to determining that the measured indicator exceeds the predetermined threshold level, wherein the subsequent operation comprises increasing a concentration of graphene suspended in a drilling fluid.
The system of claim 12, wherein at least one of the first lubricant layer and the second lubricant layer comprise graphene.
The system of claim 12, wherein the outer tubular member is a tubular casing, liner, or riser and the inner member is a drilling tubular or a drilling tool.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected concentration of one or more predetermined materials suspended in a drilling fluid and corresponding to at least one of the outer member and the inner member, and wherein the indicator is based on the output.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected amount of torque developed between the inner member and the outer member, and wherein the indicator is based on the output.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected one or more mechanical dimensions 6 App l. No. 14/382. 408 Rep ly to Imxamner' s Action dated August 2 5. 2016 of at least one of the outer member and the inner member, and wherein the indicator is based on the output.
The system of claim 12, wherein the subsequent operation causes the measured indicator to fall below the predetermined threshold level.
The system of claim 12, wherein at least one surface and applying a second lubricant layer to in a liquid to form a graphene suspension: and inner surface and the outer s u rface.
The system of claim 12, wherein at least one surface and applying a second lubricant layer to at least one of the inner surface and the outer layer to the outer surface; and re-inserting the of applying a first lubricant layer to the inner the outer surface comprises: suspending graphene applying the suspension to at least one of the of applying a first lubricant layer to the inner the outer surface comprises: applying graphene to surface. 7
canceled
Layer stacks claimed or described, ordered top of device to substrate.
drilling assembly with friction reduction system
drill string friction reduction system with mechanical wear monitor
Materials described outside the worked examples.
graphene
first lubricant layer
second lubricant layer
Additional fabrication and treatment steps described in the patent.
Patent
Atlas literature
Patent
US 9,605,526Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Graphene monolayer flakes dispersed in ethanol can be applied on steel surfaces by spraying or sprinkling SPO on the intended steel surfaces using any …
FIG. 2 is a flow diagram of an example process 200 for a friction and wear reduction technique for downhole tools disposed in a wellbore, such as those …
FIG. 3 is a flow diagram of an example subsequent operation 300 for friction and wear reduction techniques for do w nhole tools disposed in a w ellbore. In s …
FIG. 4 is a flow diagram of an example process 400 for the application of lubricant for downhole tools, such as th o se described in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently Amended) A method of reducing friction of a drilling equipment positionable in a wel l bore, said method comprising: providing an outer tubular member having a bore with an inner surface; applying a first lubricant layer to at least a portion of the inner surface of the outer tubular member; positioning the outer tubular member in at least a portion of the wellbore; providing a drilling assembly including an inner member having an outer surface, said inner member having a central longitudinal axis aligned with a central longitudinal axis of the outer member; applying a second lubricant layer to at least a portion of the outer surface of the inner member; inserting the inner member into the bore of the outer tubular member; providing a drilling fluid through the bore of the drilling assembly; rotating the inner member relative to the outer member; measuring an indicator of at least one of mechanical wear and friction between the outer member and the inner member; determining that the measured indicator exceeds a predetermined threshold level; and triggering a subsequent operation in response to determining that the measured indicator 3 App l. No. 14/382,408 Reply to Examiner's Action dated exceeds the predetermined threshold level, wherein the subsequent operation comprises increasing a concentration of graphene suspended in the drilling fluid.
The method of claim 1, wherein at least one of the first lubricant layer and the second lubricant layer comprise graphene.
The method of claim 1, wherein the outer tubular member is a tubular casing, liner, or riser and the inner member is a drilling tubular or a drilling tool.
The method of claim 1, wherein the indicator is a concentration of one or more predetermined materials suspended in the drilling fluid and corresponding to at least one of the outer tubular member and the inner member.
The method of claim 1, wherein the indicator indicates an amount of torque developed between the inner member and the outer tubular member.
The method of claim 1, wherein the indicator indicates one or more mechanical dimensions of at least one of the outer tubular member and the inner member.
The method of claim 1, wherein the subsequent operation causes the measured indicator to fall below the predetermined threshold level.
The method of claim 1, wherein at least one of applying a first lubricant layer to the inner surface and applying a second lubricant layer to the outer surface comprises: suspending graphene in a liquid to form a graphene suspension; and applying the suspension to at least one of the inner surface and the outer surface.
The method of claim 1, wherein at least one of applying a first lubricant layer to the inner surface and applying a second lubricant layer to the outer surface comprises: applying graphene to at least one of the inner surface and the outer surface.
canceled
(Cu rr ently Amended) A system for reducing friction of a drill string positionable in a wel lbore, said wellbore comprising at least a portion of an outer tubular member having a bore with an inner surface and a first lubricant layer applied to at least a portion of the inner surface of the outer tubular member; said system comprising: a drilling assembly including: an inner member having an outer surface and a second lubricant layer on the outer surface, said inner member having a central longitudinal axis aligned with a central longitudinal axis of the outer member and said inner member being insertable within the bore of the outer member; a mechanical wear monitor confi gu red to perform operations comprising: measuring an indicator of at least one of mechanical wear and friction between the 5 App l. No. 14/382,408 Reply to Examiner's Action dated outer member and the inner member; determining that the measured indicator exceeds a predetermined threshold level; and triggering a subsequent operation in response to determining that the measured indicator exceeds the predetermined threshold level, wherein the subsequent operation comprises increasing a concentration of graphene suspended in a drilling fluid.
The system of claim 12, wherein at least one of the first lubricant layer and the second lubricant layer comprise graphene.
The system of claim 12, wherein the outer tubular member is a tubular casing, liner, or riser and the inner member is a drilling tubular or a drilling tool.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected concentration of one or more predetermined materials suspended in a drilling fluid and corresponding to at least one of the outer member and the inner member, and wherein the indicator is based on the output.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected amount of torque developed between the inner member and the outer member, and wherein the indicator is based on the output.
The system of claim 12, wherein the mechanical wear monitor comprises a sensor having an output that varies in response to a detected one or more mechanical dimensions 6 App l. No. 14/382. 408 Rep ly to Imxamner' s Action dated August 2 5. 2016 of at least one of the outer member and the inner member, and wherein the indicator is based on the output.
The system of claim 12, wherein the subsequent operation causes the measured indicator to fall below the predetermined threshold level.
The system of claim 12, wherein at least one surface and applying a second lubricant layer to in a liquid to form a graphene suspension: and inner surface and the outer s u rface.
The system of claim 12, wherein at least one surface and applying a second lubricant layer to at least one of the inner surface and the outer layer to the outer surface; and re-inserting the of applying a first lubricant layer to the inner the outer surface comprises: suspending graphene applying the suspension to at least one of the of applying a first lubricant layer to the inner the outer surface comprises: applying graphene to surface. 7
canceled
Layer stacks claimed or described, ordered top of device to substrate.
drilling assembly with friction reduction system
drill string friction reduction system with mechanical wear monitor
Materials described outside the worked examples.
graphene
first lubricant layer
second lubricant layer
Additional fabrication and treatment steps described in the patent.
third lubricant layer
graphene suspension in liquid
solution processed graphene (SPG)
graphene monolayer flakes dispersed in ethanol
third lubricant layer
graphene suspension in liquid
solution processed graphene (SPG)
graphene monolayer flakes dispersed in ethanol
third lubricant layer
graphene suspension in liquid
solution processed graphene (SPG)
graphene monolayer flakes dispersed in ethanol
third lubricant layer
graphene suspension in liquid
solution processed graphene (SPG)
graphene monolayer flakes dispersed in ethanol