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1.发明申请公开(公告)号：US20240368449A1
公开(公告)日：2024-11-07
申请号：US18772475
申请日：2024-07-15
Applicant: SAUDI ARABIAN OIL COMPANY
Inventor： Jothibasu Ramasamy , Vikrant Wagle
Abstract: A composition of an invert emulsion oil-based drilling fluid is provided. The composition may include an oil phase and an aqueous phase. The oil phase may include an oleaginous fluid, an organophilic clay-based solid viscosifier, and a liquid viscosifier including a POSS. Further provided is a method of introducing the composition including the POSS into a wellbore. After introduction of the composition into the wellbore, the method includes maintaining wellbore conditions to provide a stable rheological property for a period up to about 96 hours in an HPHT section of a wellbore.
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公开(公告)号：US11851977B2
公开(公告)日：2023-12-26
申请号：US17541808
申请日：2021-12-03
Applicant: SAUDI ARABIAN OIL COMPANY
Inventor： Jothibasu Ramasamy , Chinthaka Pasan Gooneratne , Jianhui Xu
IPC: E21B33/134 , E21B29/02 , E21B33/138 , E21B17/10 , E21B21/00
CPC classification number: E21B33/134 , E21B17/1078 , E21B29/02 , E21B33/138 , E21B21/003 , E21B2200/08
Abstract: Apparatuses, systems, and methods of use are provided for a drilling stabilizer with chemical compartments within the teeth of the drilling stabilizer. The drilling stabilizer features dissolvable windows that allow chemicals to flow from the chemical compartments into the wellbore. The chemicals released can include cross-linkers or activators, which can react with polymers downhole to generate a plug for fluid loss control.
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公开(公告)号：US11686196B2
公开(公告)日：2023-06-27
申请号：US17541796
申请日：2021-12-03
Applicant: SAUDI ARABIAN OIL COMPANY
Inventor： Jothibasu Ramasamy , Chinthaka Pasan Gooneratne , Jianhui Xu
CPC classification number: E21B47/138 , E21B17/20 , E21B44/005
Abstract: Systems and methods for instructing a device within a wellbore of a subterranean well includes a drill string with an actuator assembly extending into the subterranean. The actuator assembly has a first pipe member with a segment formed of a first material. A second pipe member is coaxially aligned with the first pipe member. A plurality of bearings are positioned between the first pipe member and the second pipe member. Each of the plurality of bearings includes a second material. The first material is reactive to the second material. Certain of the plurality of bearings are changeable bearings that include a dissolvable material. The actuator assembly is operable to instruct an operation of the device by generating an instruction signal by rotating the first pipe member relative to the second pipe member and interpreting a pattern of a reaction of the segment as a bearing rotates past the segment.
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公开(公告)号：US20220213753A1
公开(公告)日：2022-07-07
申请号：US17542073
申请日：2021-12-03
Applicant: Saudi Arabian Oil Company
Inventor： Jothibasu Ramasamy , Chinthaka Pasan Gooneratne , Jianhui Xu
Abstract: A method for on demand release of a downhole chemical comprising the steps of extending a drillstring into a wellbore of a subterranean well from a terranean surface comprising an actuator assembly and a modified stabilizer; identifying a downhole issue in the wellbore; activating the actuator assembly to transmit a signal to turn on the electromagnet of the modified stabilizer; creating a magnetic field when the electromagnet is turned on by the actuator assembly; opening the magnetically-actuated door due to the magnetically-actuated door being physically attracted to the magnetic field of the electromagnet; releasing downhole chemicals from the chemical storage compartment through the magnetically-actuated door; activating the actuator assembly to transmit a signal to turn off the electromagnet of the modified stabilizer; removing the magnetic field when the electromagnet is turned off by the actuator assembly; and closing the magnetically-actuated door when the magnetic field is removed.
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5.发明申请公开(公告)号：US20220017807A1
公开(公告)日：2022-01-20
申请号：US16932009
申请日：2020-07-17
Applicant: SAUDI ARABIAN OIL COMPANY
Inventor： Jothibasu Ramasamy , Vikrant Wagle
Abstract: An invert oil-based mud (OBM) may include an oleaginous continuous phase, an aqueous internal phase, an emulsifier; and a rheology modifier. The rheology modifier may include one or more of the group consisting of epoxidized methyl oleate, epoxidized methyl linoleate, and epoxidized methyl α-linolenate. The invert OBM may contain the rheology modifier in an amount of the range of 0.1 to 5 wt. % (weight percent) relative to the total weight of the OBM.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20220010189A1
公开(公告)日：2022-01-13
申请号：US16922515
申请日：2020-07-07
Applicant: Saudi Arabian Oil Company
Inventor： Vikrant Wagle , Jothibasu Ramasamy , Abdullah Al-Yami
IPC: C09K8/28
Abstract: An invert emulsion drilling fluids having a combination of fatty acids derived from waste vegetable oil (WVO) and a fatty alcohol as a rheology modifier. An invert emulsion drilling fluid may include a water in oil emulsion, an invert emulsifier, a fatty alcohol having six to thirty carbon atoms, and a fatty acid having six to eighteen carbon atoms. The fatty acid is provided by esterifying a waste vegetable oil to produce a methyl ester of the waste vegetable oil and cleaving an ester group from the methyl ester of the waste vegetable oil. The invert emulsion drilling fluid may be formulated free of organoclay. Methods of drilling a wellbore using an invert emulsion drilling fluid are also provided.
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公开(公告)号：US20210388684A1
公开(公告)日：2021-12-16
申请号：US16897801
申请日：2020-06-10
Applicant: Saudi Arabian Oil Company
Inventor： Bodong Li , Jothibasu Ramasamy , Chinthaka Pasan Gooneratne , Guodong Zhan
IPC: E21B21/00 , E21B33/138 , E21B47/10 , E21B49/00 , E21B41/00
Abstract: A wellbore loss zone remediation method to reduce losses of drilling fluid in a lost circulation zone of a wellbore is described. The wellbore loss zone remediation method includes identifying a lost circulation zone in a wellbore, selecting a lost circulation fabric, selecting a lost circulation material for a slurry, disposing the lost circulation fabric in the wellbore, circulating the slurry in the wellbore, and determining if the lost circulation zone is remediated.
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公开(公告)号：US20210032522A1
公开(公告)日：2021-02-04
申请号：US16524764
申请日：2019-07-29
Applicant: Saudi Arabian Oil Company
Inventor： Md Amanullah , Jothibasu Ramasamy , Ali Radhwan
IPC: C09K8/035 , C09K8/04 , C10M111/02 , C10M177/00
Abstract: One or more embodiments presently described are directed to lubricants and methods for making such lubricants. According to one embodiment, a lubricant suitable for use in a water-based drilling fluid may comprise one or more alkyl esters and a fatty acid blend comprising one or more medium-chain fatty acids. The one or more medium-chain fatty acids may be at least 50 weight percent (wt. %) of the fatty acid blend. The weight ratio of the one or more alkyl esters to the fatty acid blend may be from 1:1 to 3:1.
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公开(公告)号：US20200157403A1
公开(公告)日：2020-05-21
申请号：US16750389
申请日：2020-01-23
Applicant: Saudi Arabian Oil Company
Inventor： Jothibasu Ramasamy , Md Amanullah , Mujtaba M. Alsaihati
Abstract: A waste vegetable-oil based emulsifier for use as drilling mud primary emulsifier is described. A first emulsifier is prepared from an alkyl ester of waste vegetable oil. The waste vegetable oil is vegetable oil which has been used for a process prior to preparing the first emulsifier. A quantity of the first emulsifier is added to an oil-based drilling fluid. A quantity of an activating agent is added to the oil-based drilling fluid. The activating agent is configured to activate the emulsifier to stabilize an emulsion. A quantity of viscosifier is added to the oil-based drilling fluid. A quantity of a second emulsifier is added to the oil-based drilling fluid. A quantity of weigh-up material is added to the oil-based drilling fluid. The resulting oil-based drilling fluid is used in a wellbore drilling operation to drill a wellbore in a subterranean zone.
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公开(公告)号：US10597575B2
公开(公告)日：2020-03-24
申请号：US16416635
申请日：2019-05-20
Applicant: Saudi Arabian Oil Company
Inventor： Md Amanullah , Jothibasu Ramasamy
Abstract: A date tree trunk- and rachis-based lost circulation material (LCM) is provided. The date tree trunk and rachis LCM includes superfine date tree trunk fibers produced from date tree trunks and superfine date tree rachis fibers produced from date tree rachises. The date tree trunks and rachises may be obtained from the date tree waste produced by the processing of date trees in the production of date fruits. The date tree trunk and rachis LCM may include fibers having lengths in the range of about 20 microns to about 300 microns. Methods of lost circulation control using a date tree trunk and rachis LCM and manufacture of a date tree trunk and rachis LCM are also provided.
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