Patents by Inventor Chunqiao Ren
Chunqiao Ren has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9488013Abstract: Disclosed herein is a bi-directionally raisable drilling rig mast system that includes a drilling rig mast having a bi-directional mast erection connection, a first erection connection positioned proximate a first side of a rig substructure, and a second erection connection positioned proximate a second side of the rig substructure, the second side being at an opposite side of the rig substructure from the first side. The system further includes at least one mast erection apparatus having an upper end that is adapted to be pivotably attached to the bi-directional mast erection connection and a lower end that is adapted to be pivotably attached to the first erection connection for erecting the drilling rig mast from the first side of the substructure, the lower end being further adapted to be pivotably attached to the second erection connection for erecting the drilling rig mast from the second side of the substructure.Type: GrantFiled: October 31, 2014Date of Patent: November 8, 2016Assignee: National Oilwell Varco, L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Xilin Liu
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Patent number: 9441423Abstract: A system for erecting a drilling rig mast includes a substructure having an open area that is defined therein by two laterally spaced-apart substructure sides and a first mast section that is adapted to be positioned at least partially within the open area of the substructure after the first mast section has been removably connected to the substructure. The system further includes, among other things, a second mast section that is adapted to be removably connected to the first mast section the said first mast section has been removably connected to the substructure, and a mast connection apparatus that is adapted to removably connect the second mast section to the first mast section when an upper end of the first mast section is raised relative to a lower end of the second mast section.Type: GrantFiled: September 3, 2013Date of Patent: September 13, 2016Assignee: National Oilwell Varco, L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liu, Hui Chun Sheng, Yan Yu
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Patent number: 9163462Abstract: A substructure of a drilling rig is positioned above a first wellbore at a first wellbore location, a drilling rig mast is pivotably attached to the substructure and raised from a first mast position wherein an upper end of the drilling rig mast is oriented in a first direction toward a first side of the substructure to a first raised drilling position, after which a first drilling operation is performed on the first wellbore. The substructure is moved to a second wellbore location and positioned above a second wellbore, the drilling rig mast is pivotably attached to the substructure and raised from a second mast position wherein an upper end of the drilling rig mast is oriented in a second direction toward a second side of the substructure to a second raised drilling position, after which a second drilling operation is performed on the second wellbore.Type: GrantFiled: October 31, 2014Date of Patent: October 20, 2015Assignee: National Oilwell Varco, L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Xilin Liu
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Publication number: 20150052828Abstract: Disclosed herein is a bi-directionally raisable drilling rig mast system that includes a drilling rig mast having a bi-directional mast erection connection, a first erection connection positioned proximate a first side of a rig substructure, and a second erection connection positioned proximate a second side of the rig substructure, the second side being at an opposite side of the rig substructure from the first side. The system further includes at least one mast erection apparatus having an upper end that is adapted to be pivotably attached to the bi-directional mast erection connection and a lower end that is adapted to be pivotably attached to the first erection connection for erecting the drilling rig mast from the first side of the substructure, the lower end being further adapted to be pivotably attached to the second erection connection for erecting the drilling rig mast from the second side of the substructure.Type: ApplicationFiled: October 31, 2014Publication date: February 26, 2015Inventors: Robert Benjamin Donnally, Chunqiao Ren, Xilin Liu
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Publication number: 20150047908Abstract: A substructure of a drilling rig is positioned above a first wellbore at a first wellbore location, a drilling rig mast is pivotably attached to the substructure and raised from a first mast position wherein an upper end of the drilling rig mast is oriented in a first direction toward a first side of the substructure to a first raised drilling position, after which a first drilling operation is performed on the first wellbore. The substructure is moved to a second wellbore location and positioned above a second wellbore, the drilling rig mast is pivotably attached to the substructure and raised from a second mast position wherein an upper end of the drilling rig mast is oriented in a second direction toward a second side of the substructure to a second raised drilling position, after which a second drilling operation is performed on the second wellbore.Type: ApplicationFiled: October 31, 2014Publication date: February 19, 2015Inventors: Robert Benjamin Donnally, Chunqiao Ren, Xilin Liu
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Patent number: 8904716Abstract: Disclosed herein is a bi-directionally raisable drilling rig mast system that includes a drilling rig mast having a bi-directional mast erection connection, a first erection connection positioned proximate a first side of a rig substructure, and a second erection connection positioned proximate a second side of the rig substructure, the second side being at an opposite side of the rig substructure from the first side. The system further includes at least one mast erection apparatus having an upper end that is adapted to be pivotably attached to the bi-directional mast erection connection and a lower end that is adapted to be pivotably attached to the first erection connection for erecting the drilling rig mast from the first side of the substructure, the lower end being further adapted to be pivotably attached to the second erection connection for erecting the drilling rig mast from the second side of the substructure.Type: GrantFiled: April 23, 2013Date of Patent: December 9, 2014Assignee: National Oilwell Varco, L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Xilin Liu
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Patent number: 8875911Abstract: Systems and methods for rig assembly and for erecting a mast of a rig and such systems with roller apparatus to facilitate movement of a mast section from a mover. In a first embodiment, the method includes erecting a rig mast section on a substructure, the substructure including a first substructure box spaced-apart from a second substructure box, the first substructure box comprising a first upper box above a first lower box and the second substructure box comprising a second upper box above a second lower box.Type: GrantFiled: April 20, 2010Date of Patent: November 4, 2014Assignee: National Oilwell Varco, L.P.Inventors: Robert B. Donnally, Chunqiao Ren, Xi Lin Liu, Yan Yu, Peng Yue, Wei Wang
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Patent number: 8863449Abstract: Disclosed herein is a raisable substructure of a drilling rig that includes first and second substructure boxes. The first and second substructure boxes of the raisable substructure each include, among other things an upper box and a lower box, wherein each of the upper boxes is adapted to be raised above a respective lower box. The disclosed raisable substructure also includes a movable center floor section that is adapted to be supported by the upper boxes of the first and second substructure boxes, wherein the movable center floor section is further adapted to be slidably moved between the upper boxes during assembly of the drilling rig.Type: GrantFiled: April 23, 2013Date of Patent: October 21, 2014Assignee: National Oilwell Varco, L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Xilin Liu
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Publication number: 20130291452Abstract: Disclosed herein is a bi-directionally raisable drilling rig mast system that includes a drilling rig mast having a bi-directional mast erection connection, a first erection connection positioned proximate a first side of a rig substructure, and a second erection connection positioned proximate a second side of the rig substructure, the second side being at an opposite side of the rig substructure from the first side. The system further includes at least one mast erection apparatus having an upper end that is adapted to be pivotably attached to the bi-directional mast erection connection and a lower end that is adapted to be pivotably attached to the first erection connection for erecting the drilling rig mast from the first side of the substructure, the lower end being further adapted to be pivotably attached to the second erection connection for erecting the drilling rig mast from the second side of the substructure.Type: ApplicationFiled: April 23, 2013Publication date: November 7, 2013Inventors: Robert Benjamin Donnally, Chunqiao Ren, Xilin Liu
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Publication number: 20130276386Abstract: Disclosed herein is a raisable substructure of a drilling rig that includes first and second substructure boxes. The first and second substructure boxes of the raisable substructure each include, among other things an upper box and a lower box, wherein each of the upper boxes is adapted to be raised above a respective lower box. The disclosed raisable substructure also includes a movable center floor section that is adapted to be supported by the upper boxes of the first and second substructure boxes, wherein the movable center floor section is further adapted to be slidably moved between the upper boxes during assembly of the drilling rig.Type: ApplicationFiled: April 23, 2013Publication date: October 24, 2013Applicant: National Oilwell Varco, L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Xilin Liu
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Patent number: 8549815Abstract: Methods for connection parts of a mast of a drilling rig without using a crane or other lifting machine are disclosed. In certain aspects, these methods include moving parts of a mast to be assembled with trucks and positioning the parts with the trucks to facilitate their connection. This Abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: GrantFiled: February 29, 2008Date of Patent: October 8, 2013Assignee: National Oilwell Varco L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liu, Hui Chun Sheng, Yan Yu
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Patent number: 8468753Abstract: Systems and methods for erecting a drilling rig. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: GrantFiled: February 29, 2008Date of Patent: June 25, 2013Assignee: National Oilwell Varco L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liu, Hui Chun Sheng, Yan Yu
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Patent number: 8250816Abstract: A method for installing rig structure (e.g. cabin, house, a doghouse) on a drilling rig, the method including: connecting support apparatus to a substructure of a drilling rig, supporting a drilling floor; moving a movement apparatus supporting a rig structure to position it adjacent the support apparatus, by moving movement apparatus on ground adjacent the substructure, moving the support apparatus into a connecting orientation with respect to the structure; connecting raising apparatus to the structure, the raising apparatus connected to the support apparatus; raising the structure up to the drill floor with the raising apparatus; and securing the structure to the support apparatus. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: GrantFiled: February 29, 2008Date of Patent: August 28, 2012Assignee: National Oilwell Varco L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liui, Hui Chun Sheng, Yan Yu, He Hui Chen
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Publication number: 20120047820Abstract: Systems and methods for rig assembly and for erecting a mast of a rig and such systems with roller apparatus to facilitate movement of a mast section from a mover. In a first embodiment, the method includes erecting a rig mast section on a substructure, the substructure including a first substructure box spaced-apart from a second substructure box, the first substructure box comprising a first upper box above a first lower box and the second substructure box comprising a second upper box above a second lower box.Type: ApplicationFiled: April 20, 2010Publication date: March 1, 2012Inventors: Robert B. Donnally, Chunqiao Ren, Xi Lin Liu, Yan Yu, Peng Yue, Wei Wang
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Patent number: 8047303Abstract: Methods and systems for installing a drawworks on a drilling rig, the method, in certain aspects, including moving a drawworks on movement apparatus on the ground adjacent a drill floor of a rig, connecting the drawworks to the drill floor, moving the movement apparatus away from the rig, and raising the drill floor with the drawworks thereon using raising apparatus of a rig substructure supporting the drill floor. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: GrantFiled: February 29, 2008Date of Patent: November 1, 2011Assignee: National Oilwell Varco L.P.Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liu, Hui Chun Sheng, Yan Yu
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Publication number: 20090293417Abstract: Methods and systems are disclosed for fastening a grating to a lower member such as a plate, floor, beam, or substructure below the grating. Such methods and systems can include securing a primary bolt with an interior threaded portion to the lower member and then securing a secondary bolt in the threaded portion of the primary bolt. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: ApplicationFiled: May 27, 2008Publication date: December 3, 2009Inventors: Chunqiao Ren, Hui Chun Sheng, Li Aiping
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Publication number: 20090218139Abstract: Systems and methods for erecting a drilling rig. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: ApplicationFiled: February 29, 2008Publication date: September 3, 2009Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liu, Hui Chun Sheng, Yan Yu
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Publication number: 20090218137Abstract: Methods and systems for installing a drawworks on a drilling rig, the method, in certain aspects, including moving a drawworks on movement apparatus on the ground adjacent a drill floor of a rig, connecting the drawworks to the drill floor, moving the movement apparatus away from the rig, and raising the drill floor with the drawworks thereon using raising apparatus of a rig substructure supporting the drill floor. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: ApplicationFiled: February 29, 2008Publication date: September 3, 2009Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liu, Hui Chun Sheng, Yan Yu
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Publication number: 20090218144Abstract: Methods for connection parts of a mast of a drilling rig without using a crane or other lifting machine are disclosed. In certain aspects, these methods include moving parts of a mast to be assembled with trucks and positioning the parts with the trucks to facilitate their connection. This Abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: ApplicationFiled: February 29, 2008Publication date: September 3, 2009Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liu, Hui Chun Sheng, Yan Yu
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Publication number: 20090218138Abstract: A method for installing rig structure (e.g. cabin, house, a doghouse) on a drilling rig, the method including: connecting support apparatus to a substructure of a drilling rig, supporting a drilling floor; moving a movement apparatus supporting a rig structure to position it adjacent the support apparatus, by moving movement apparatus on ground adjacent the substructure, moving the support apparatus into a connecting orientation with respect to the structure; connecting raising apparatus to the structure, the raising apparatus connected to the support apparatus; raising the structure up to the drill floor with the raising apparatus; and securing the structure to the support apparatus. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).Type: ApplicationFiled: February 29, 2008Publication date: September 3, 2009Inventors: Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Xi Lin Liui, Hui Chun Sheng, Yan Yu, He Hui Chen