Patents Assigned to Petroliam Nasional Berhad
-
Patent number: 11912953Abstract: The present invention relates to additives for reducing friction and wear in lubricants. In particular, the present invention relates to novel salts and their use in lubricating oil compositions for reducing friction and wear. In particular, the present invention relates to one or more ionic liquids, wherein the one or more ionic liquids comprise one or more cations and one or more Group 6 metal mononuclear metallate anions.Type: GrantFiled: July 8, 2020Date of Patent: February 27, 2024Assignee: Petroliam Nasional Berhad (Petronas)Inventors: Kuah Y. Cheun, Andrea Dolfi, Giuseppe Forastiero, Geetha Srinivasan, Farah Fazlina M Yasin
-
Patent number: 11867576Abstract: An optical cable (31) includes: a stress wave detection optical cable (30) having an optical fiber (7) and a plurality of first steel wires (8) which are helically wound so as to surround the optical fiber (7) and which are surrounded by a flexible material (9); and second steel wires (32) different from the first steel wires (8). The stress wave detection optical cable (30) and the plurality of second steel wires (32) are helically wound to form one annular body as a whole, and a winding angle (?) of the stress wave detection optical cable (30) with respect to the axis is determined by a property value prescribed by Lamé constants of the flexible material (9).Type: GrantFiled: September 11, 2020Date of Patent: January 9, 2024Assignee: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Kinzo Kishida, Ahmad Riza Ghazali, Mohamad Faizal Bin Abd Rahim
-
Publication number: 20240006625Abstract: A flow-field plate (101) for a polymer electrolyte membrane device such as an electrolyser or a fuel cell comprising an inlet on one side (102) of the plate and 5 an outlet (103) on the opposite side, a distribution array (110) including a plurality of linear channels (106), a first interface (104) between the inlet (102) and distribution array (110) and a second interface (105) between the distribution array (110) and the outlet (103), wherein each interface includes up to rn rows of baffles (107), where rn=the width of the interface hd divided by the baffle diameter hb, the 10 majority of the baffles in each row being set at a particular angle relative to the longitudinal axis of the linear channels (106).Type: ApplicationFiled: November 18, 2021Publication date: January 4, 2024Applicants: PETROLIAM NASIONAL BERHAD (PETRONAS), Universiti Kebangsaan MalaysiaInventors: Husaini TEUKU, Mohd Shahbudin MASTAR @ MASDAR, Geetha SRINIVASAN, Safwan Hanis Bin MOHD MURAD, Colin PATRICK, Siti Sara Lyana Binti BADLY SHAM
-
Patent number: 11835598Abstract: A magnetic field measurement cable (10) of the present disclosure includes an electric cable (1) provided at an axial part, and an outer circumferential cable (2) provided on the outer side of the electric cable (1) and helically formed by a plurality of steel wires helically wound and a magnetic field measurement optical cable (3) having an optical fiber cable (3a).Type: GrantFiled: August 21, 2020Date of Patent: December 5, 2023Assignee: PETROLIAM NASIONAL BERHADInventors: Kinzo Kishida, Ahmad Riza Ghazali, Mohamad Faizal bin Abd Rahim
-
Publication number: 20230383127Abstract: The present invention relates to a coating comprising a (i) boronic ester of Formula (I) disclosed herein, and (ii) an elastomer, wherein (i) and (ii) are cured with pentaerythritol tetrakis(3-mercaptoptopionate) (PTMP) and 3,6-dioxa-1,8-octanedithiol (DODT).Type: ApplicationFiled: October 13, 2021Publication date: November 30, 2023Applicant: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Mohd Shamsul Farid SAMSUDIN, Norfarah Diana ABA, Muzdalifah ZAKARIA, Kok Hoong LEONG, Jane ZHANG, Russell VARLEY, Mandy DESOUZA, Azmi M NOOR
-
Patent number: 11819784Abstract: A system for sand cleaning including: a cleaning unit arranged to receive oil impregnated sand; the unit including a chamber having an impeller, said impeller arranged to agitate the oil impregnated sand in a base of the unit; an aperture in the base of the unit arranged to discharge the treated sand; an oil outlet adjacent to a top of the unit arranged to discharge the separated oil.Type: GrantFiled: July 10, 2018Date of Patent: November 21, 2023Assignee: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Mohammad Faizal Bin Che Daud, Maung Maung Myo Thant @ Feroz Sultan
-
Publication number: 20230356148Abstract: A system for regeneration of acidic gas solvent, the system comprising; a regeneration cell having a solvent chamber arranged to receive a solvent flow, and an internal chamber arranged to receive a steam flow; said regeneration cell including a gas permeable membrane separating the solvent chamber and internal chamber; wherein the regeneration cell is arranged to vent acidic gas stripped from the solvent by the steam.Type: ApplicationFiled: January 27, 2023Publication date: November 9, 2023Applicants: Petroliam Nasional Berhad (PETRONAS), Dalian Institute of Chemical Physics China Academy of ScienceInventors: Norfaizah A. Manan, Guodong Kang, Zhe Phak Chan, Syafiqa M. Saleh, Yiming Cao
-
Patent number: 11738287Abstract: A high-performance seafloor flexible oil storage system, solving the existing problems of high storage cost and difficult maintenance of crude oil in offshore oilfields, comprises, sequentially connected, an oil-water separator, a pressure pump, and an input riser extending downward below the sealevel; and a pipeline and multiple flexible oil storage tanks having the same structure with each communicated therewith through a control valve are arranged below the sealevel. One end of the pipeline is communicated with the input riser through a blocking valve and an input valve, and the other end further sequentially connected with an outlet booster pump, an output valve, and an output riser extending upwards above the sealevel and connected to a tanker through a cooler and an output pump. The flexible oil storage tank has a concrete counterweight connected thereunder for fixing it to a seabed. The system has simple structure, convenient maintenance and good practicability.Type: GrantFiled: May 21, 2018Date of Patent: August 29, 2023Assignee: Petroliam Nasional Berhad (20076-K)Inventor: Liangbiao Xu
-
Method of consolidating subterranean formations using cationic and anionic and/or non-ionic polymers
Patent number: 11692123Abstract: A method of consolidating a subterranean formation which comprises particles is provided. The method includes selecting a subterranean formation in need of consolidation, contacting the particles with a cationic polymer and then an anionic or non-ionic polymer, thereby agglomerating the particles and consolidating the formation, wherein the agglomeration increases the uniformity of the size of the particles. Methods of producing hydrocarbon wherein the formation is consolidated by the method herein described are also provided. Use of kits comprising cationic polymer and anionic polymer and/or non-ionic polymer to consolidate subterranean formations is further provided. Kits comprising the polymers used in the method are also provided.Type: GrantFiled: April 5, 2018Date of Patent: July 4, 2023Assignee: Petroliam Nasional Berhad (Petronas)Inventors: Rui Yan Lee, Paul F. Luckham, Omar K. Matar -
Patent number: 11613708Abstract: Copper sulfide of the formula CuxSy, wherein x and y are integer or non-integer values, wherein (i) the copper sulfide has a sulfur 2p XPS spectrum with peaks at 162.3 eV (±1 ev), 163.8 eV (±1 ev) and 68.5 eV (±1 ev), characterised in that the peak at 168.5 eV has a lower value of counts per second (CPS) than both the peak at 162.3 eV and the peak at 163.8 eV; and (ii) the copper sulfide has a copper 2p XPS spectrum with peaks at 932.0 eV (±2 ev) and 933.6 eV (±3 eV) and characterised in that the XPS spectrum does not comprise identifiable satellite peaks at 939.8 eV and 943.1 eV (±3 eV).Type: GrantFiled: August 1, 2018Date of Patent: March 28, 2023Assignee: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Kenneth Seddon, Geetha Srinivasan, Mohammad Syamzari Rafeen, Kuah Yong Cheun, Amiruddin Hassan, Adi Aizat Razali, Sharizal Bin Mohd Azam Shah Wong
-
Publication number: 20230076048Abstract: Methods and systems for calculating a probability of failure and/or estimating a lifetime of an equipment component are disclosure. In an embodiment, a method of calculating a probability of failure of an equipment component comprises: generating a finite element model of the equipment component using device properties of the equipment component; using the finite element model of the equipment component to construct a polynomial basis for a polynomial chaos expansion; calculating expansion coefficients for the polynomial chaos expansion which express creep stress and strain in the equipment component as a function of operating parameters of the equipment component; receiving measured operating parameter values for the equipment component; and calculating a probability of failure of the equipment component using the measured operating parameter values.Type: ApplicationFiled: January 27, 2021Publication date: March 9, 2023Applicant: Petroliam Nasional Berhad (PETRONAS)Inventors: Faizul Azly B. A. DZUBIR, Adnan B. AYOB M., Rahim B. OTHMAN A.
-
Patent number: 11590543Abstract: A vehicle (10) for performing operations on a subsea pipeline, such as a riser (2), carries one or more interchangeable modules (18) and is configured to translate along the riser (2). The vehicle (10) comprises an elongate support structure (12) for carrying the modules (18). Gripper arms (14, 16) hold the support structure (12) a predetermined distance away from the elongate body and cause translation of the vehicle (10) along the riser (2) using a hand-over-hand action, so as to allow the vehicle (10) to pass protuberances or obstacles, such as a clamp (8), on the riser (2).Type: GrantFiled: July 18, 2017Date of Patent: February 28, 2023Assignees: Kongsberg Ferrotech AS, Petroliam Nasional Berhad (Petronas)Inventors: Christopher Carlsen, Bert Pasop, Alexandr Tcacenco, Mario Zuvela, Torgeir Bræin, Luis Fidel De La Torre Ugarte Del Castillo, Jens Harald Seiertun, Wan Muhammad Faiz Wan Rustam
-
Patent number: 11572509Abstract: Disclosed herein is an oil dispersant composition that contains an acyl amino acid ionic liquid, a dicationic ionic liquid, a fruit acid ionic liquid, a polyacid ionic liquid, and an ethoxylate oleyl ether ionic liquid. The composition may also be diluted with water. The composition is useful for dispersing an oil spill in a body of water, while being less toxic to the aquatic environment and also acting to stimulate bacterial growth in said aquatic environment.Type: GrantFiled: September 20, 2019Date of Patent: February 7, 2023Assignee: PETROLIAM NASIONAL BERHADInventors: Muhammad Moniruzzaman, Mohamed Ibrahim Abdul Mutalib, Siti Hawatulaila Baharuddin, Noorul Adawiyah Mustahil, Atikah Aini Abdullah, Magaret a/p Sivapragasam, Cecilia Devi Wilfred
-
Publication number: 20230012234Abstract: A system for recovering natural gas liquid from a source, comprising: a heat exchanger for cooling wellstream fluid directed therethrough; a first separator for receiving the fluid from the heat exchanger for separating liquid and gas; in a first configuration, the gas from the first separator being directed to a turbo-expander for reducing the temperature and pressure of the gas to form a cold fluid; the cold fluid being directed to a second separator for separating liquid and gas; gas from the second separator being directed to the heat exchanger where it flows therethrough for cooling the wellstream fluid; wherein if the turbo-expander is not operating, the first configuration may be a changed to a second configuration to bypass the turbo-expander and direct the gas from the second separator to a Joule-Thomson valve to form the cold fluid.Type: ApplicationFiled: December 4, 2020Publication date: January 12, 2023Applicant: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Shahrul Azman B ZAINAL ABIDIN, Lukman B A KARIM, Roslan B HAMID, Arfahsaadah ARIPIN, Karthikeyan S, Zafirah M RITZAUDEEN
-
Publication number: 20220388119Abstract: A system for cutting an underwater structure, the system comprising: a cutting head, said cutting head comprising: an abrasive water jetting nozzle; a cryogenic nozzle; said abrasive water jetting nozzle and cryogenic nozzle mounted in fixed spaced relation; said cutting head arranged to position tips of the nozzles proximate to a cutting surface, and arranged to form a cutting zone defined by the nozzle tips and cutting surface; wherein a water repelling shield is located about said cutting zone and arranged to hinder water entering said cutting zone.Type: ApplicationFiled: November 6, 2020Publication date: December 8, 2022Applicant: Petroliam Nasional Berhad (PETRONAS)Inventor: Mohd Izzat Mohd THIYAHUDDIN
-
Publication number: 20220364460Abstract: An optical cable includes: an optical fiber for sensing deformation of hydrocarbon absorbing resin having a property of expanding by absorbing hydrocarbon in oil; a strand provided so as to surround the outer circumference of the optical fiber; and hydrocarbon absorbing resin filling a space between the optical fiber and the strand. The optical cable configured as described above is installed along the depth direction of a well that is a measurement subject, over the entire range thereof, and a backscatter light frequency shift signal from the optical fiber is measured by a backscatter light measurement device, to detect presence/absence of leakage of oil from the well over the entire range in the depth direction of the well.Type: ApplicationFiled: August 14, 2020Publication date: November 17, 2022Applicant: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Kinzo KISHIDA, Ahmad Riza GHAZALI, Mohamad Faizal bin ABD RAHIM
-
Publication number: 20220341798Abstract: An optical cable (31) includes: a stress wave detection optical cable (30) having an optical fiber (7) and a plurality of first steel wires (8) which are helically wound so as to surround the optical fiber (7) and which are surrounded by a flexible material (9); and second steel wires (32) different from the first steel wires (8). The stress wave detection optical cable (30) and the plurality of second steel wires (32) are helically wound to form one annular body as a whole, and a winding angle (?) of the stress wave detection optical cable (30) with respect to the axis is determined by a property value prescribed by Lamé constants of the flexible material (9).Type: ApplicationFiled: September 11, 2020Publication date: October 27, 2022Applicant: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Kinzo KISHIDA, Ahmad Riza GHAZALI, Mohamad Faizal bin ABD RAHIM
-
Patent number: 11453815Abstract: This invention relates to an adaptable Geopolymer cement composition for application in oil and gas wells having a wide range of downhole temperatures. The base Geopolymer cement composition has an acceptable rheology of below 200 cP and can be tailored by the inclusion of various chemicals to control properties such as thickening time over a wide range of temperatures and densities. The disclosed Geopolymer cement composition is pumpable, mixable and stable. The composition can also be adapted to have expandable and swellable properties.Type: GrantFiled: February 7, 2018Date of Patent: September 27, 2022Assignee: PETROLIAM NASIONAL BERHADInventor: Siti Humairah Abd Rahman
-
Publication number: 20220281753Abstract: A method for sequestering carbon by spraying an aqueous solution containing calcium ions into a reactor containing supercritical carbon dioxide to form a slurry of calcium carbonate, and collecting the calcium carbonate from the bottom of the reactor.Type: ApplicationFiled: August 26, 2019Publication date: September 8, 2022Applicant: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Mohammad Ghaddaffi b M NOH, M Syazwan B ONN, Ruzilah Binti SANOM
-
Publication number: 20220283248Abstract: A magnetic field measurement cable (10) of the present disclosure includes an electric cable (1) provided at an axial part, and an outer circumferential cable (2) provided on the outer side of the electric cable (1) and helically formed by a plurality of steel wires helically wound and a magnetic field measurement optical cable (3) having an optical fiber cable (3a).Type: ApplicationFiled: August 21, 2020Publication date: September 8, 2022Applicant: PETROLIAM NASIONAL BERHAD (PETRONAS)Inventors: Kinzo KISHIDA, Ahmad Riza GHAZALI, Mohamad Faizal bin ABD RAHIM