-
公开(公告)号：US20180346797A1
公开(公告)日：2018-12-06
申请号：US15994733
申请日：2018-05-31
Applicant: Saudi Arabian Oil Company
Inventor： Rajendra Arunkumar Kalgaonkar , Fakuen Frank Chang
CPC classification number: C09K8/572 , C09K8/5751 , C09K2208/10
Abstract: The present application relates to coated silica particles, compositions containing the coated silica particles, and methods for using these compositions in subterranean formations. The coated silica particle includes a cationic species non-covalently bound to an outer surface of the particle. The particle can include a nanoparticle.
-
公开(公告)号：US20250109688A1
公开(公告)日：2025-04-03
申请号：US18479204
申请日：2023-10-02
Applicant: Saudi Arabian Oil Company
Inventor： Qasim Sahu , Rajendra Arunkumar Kalgaonkar , Vera Solovyeva
Abstract: A system and a method for determining hydrocarbon production from multiple subterranean formations. Different nanotag tracers are sequentially injected into subterranean production zones fluidly coupled to a wellbore extending from a surface of the Earth through the subterranean production zones. The respective nanotag tracers are injected into a respective subterranean production zone. The different nanotag tracers and production fluids contained within the subterranean production zones are produced through the wellbore to the surface. A turbidity of the production fluids containing the different nanotag tracers is determined at the surface. A quantity of each of the one or more different nanotag tracers from each of the subterranean production zones in the production fluids is determined. Based on the turbidity of the production fluids and the quantity of the different nanotag tracers, a total oil production rate from the subterranean production zones is determined.
-
公开(公告)号：US12258516B2
公开(公告)日：2025-03-25
申请号：US17551946
申请日：2021-12-15
Applicant: Saudi Arabian Oil Company
Inventor： Rajendra Arunkumar Kalgaonkar , Vikrant Wagle
Abstract: A method of reducing water production in a wellbore may include introducing an alkaline nanosilica dispersion to the wellbore such that it contacts a water producing zone of the wellbore, introducing a sodium bicarbonate activator to the wellbore such that it contacts the alkaline nanosilica dispersion in the water producing zone, and forming a gelled solid from the water shutoff material in the water producing zone, thereby reducing water production in the wellbore.
-
公开(公告)号：US12071838B2
公开(公告)日：2024-08-27
申请号：US17938809
申请日：2022-10-07
Inventor： Rajendra Arunkumar Kalgaonkar , Mohammed Abudullah Bataweel , Nour Othman Baqader , Nisar Ullah , Muhammad Mansha
IPC: E21B43/26 , C09K8/60 , E21B33/138
CPC classification number: E21B43/26 , C09K8/602 , C09K2208/30
Abstract: A method of controlling a permeability zone in a reservoir includes introducing a diverter agent comprising a morpholinium based zwitterionic surfactant including a sulfonate terminal moiety, an ammonium-based zwitterionic surfactant, and an activator in a wellbore. Once introduced, the diverter agent contacts a high permeability zone in the reservoir. The diverter agent heats and gels to form a gelled diverter agent in the high permeability zone, subsequently forming a zone of decreased permeability.
-
公开(公告)号：US20240133279A1
公开(公告)日：2024-04-25
申请号：US17938809
申请日：2022-10-07
Inventor： Rajendra Arunkumar Kalgaonkar , Mohammed Abudullah Bataweel , Nour Othman Baqader , Nisar Ullah , Muhammad Mansha
CPC classification number: E21B43/26 , C09K8/602 , C09K2208/30
Abstract: A method of controlling a permeability zone in a reservoir includes introducing a diverter agent comprising a morpholinium based zwitterionic surfactant including a sulfonate terminal moiety, an ammonium-based zwitterionic surfactant, and an activator in a wellbore. Once introduced, the diverter agent contacts a high permeability zone in the reservoir. The diverter agent heats and gels to form a gelled diverter agent in the high permeability zone, subsequently forming a zone of decreased permeability
-
Patent Agency Ranking
公开(公告)号：US11866644B1
公开(公告)日：2024-01-09
申请号：US17817237
申请日：2022-08-03
Inventor： Mustafa Alkhowaildi , Mohamed Ahmed Nasr El Din Mahmoud , Mohammed Abudullah Bataweel , Rajendra Arunkumar Kalgaonkar
Abstract: A composition for a fracturing fluid may include a chelating agent, a polymeric gelling agent, and a base fluid. The base fluid in the fracturing fluid composition may be a produced fluid having a hardness content of at least 7,000 ppm. Method for treating a hydrocarbon-bearing formation may include introducing a fracturing fluid in the hydrocarbon-bearing formation. The fracturing fluid contains a chelating agent, a polymeric gelling agent, and a base fluid. The base fluid may be a produced fluid that has a hardness content of at least 7,000 ppm. The fracturing fluid may have a viscosity of at least 200 cp at 150° F., 100 1/s shear rate, and 300 psia when tested using model 5550 HPHT rheometer. After contacting the hydrocarbon-bearing formation, the viscosity of the fracturing fluid may drop near a range of 1 cP to 5 cP.
-
公开(公告)号：US11713412B2
公开(公告)日：2023-08-01
申请号：US17454705
申请日：2021-11-12
Inventor： Rajendra Arunkumar Kalgaonkar , Eyad Alali , Mohammed Abudullah Bataweel , Nisar Ullah , Muhammad Mansha
Abstract: A wellbore fluid including a first surfactant, a second surfactant, an activator and an aqueous base fluid is provided. The first surfactant has a structure represented by Formula (I):
where Y1, Y2, Y3, Y4 are each, independently, a sulfonate, a carboxylate, an ester or a hydroxyl group, m is an integer ranging from 2 to 3, and n, o, and k are each, independently, integers ranging from 2 to 10. The second surfactant has a structure represented by Formula (III):
where R2 is a C15—C27 hydrocarbon group or a C15—C29 substituted hydrocarbon group, R3 is C1—C10 hydrocarbon group, and p and q are each, independently, an integer ranging from 1 to 4. A method of using the wellbore fluid for treating a hydrocarbon-containing formation is also provided.-
公开(公告)号：US11685855B2
公开(公告)日：2023-06-27
申请号：US17509857
申请日：2021-10-25
Inventor： Rajendra Arunkumar Kalgaonkar , Eyad Alali , Mohammed A. Bataweel , Nisar Ullah , Muhammad Mansha
IPC: C09K8/508 , E21B33/138
CPC classification number: C09K8/5086 , E21B33/138 , C09K2208/10
Abstract: A method, wellbore, and pill for treating a region of a subterranean formation adjacent a wellbore zone of the wellbore, including injecting a gellable treatment composition (e.g., as the pill) through the wellbore zone into the region of the subterranean formation adjacent the wellbore zone, allowing the gellable treatment composition to form nanoparticles in-situ in the region and gel in the region via heat provided by the region to prevent or reduce flow of an unwanted fluid from the region into the wellbore zone. The gellable treatment composition may include a zwitterionic gemini surfactant (ZGS).
-
公开(公告)号：US20230183545A1
公开(公告)日：2023-06-15
申请号：US17551946
申请日：2021-12-15
Applicant: Saudi Arabian Oil Company
Inventor： Rajendra Arunkumar Kalgaonkar , Vikrant Wagle
CPC classification number: C09K8/426 , C09K8/487 , C09K2208/10
Abstract: This disclosure relates a method of reducing water production in a wellbore, which may include introducing an alkaline nanosilica dispersion to the wellbore such that it contacts a water producing zone of the wellbore, introducing a sodium bicarbonate activator to the wellbore such that it contacts the alkaline nanosilica dispersion in the water producing zone, and forming a gelled solid from the water shutoff material in the water producing zone, thereby reducing water production in the wellbore.
-
公开(公告)号：US20230159816A1
公开(公告)日：2023-05-25
申请号：US17454719
申请日：2021-11-12
Inventor： Rajendra Arunkumar Kalgaonkar , Eyad Alali , Mohammed Abudallah Bataweel , Nisar Ullah , Muhammad Mansha
CPC classification number: C09K8/62 , C09K8/80 , C09K2208/30
Abstract: A fracturing fluid may include a first surfactant and a second surfactant. The first surfactant may have a structure represented by formula (I):
wherein m is an integer ranging from 2 to 3, and n, o, and k are each, independently, integers ranging from 2 to 10. The second surfactant having a structure represented by Formula (II):
wherein R2 is a C15-C27 hydrocarbon group or a C15-C29 substituted hydrocarbon group, R3 is a C1-C10 hydrocarbon group, and p and q are each, independently, an integer ranging from 1 to 4. Methods of treating a hydrocarbon-bearing formation include injecting the fracturing fluid in the hydrocarbon-bearing formation, the fracturing fluid being configured to transport a proppant in fractures of the hydrocarbon-bearing formation.
-
-
-
-
-
-
-
-
-
Search Results
78
records
(took 0.022 seconds)
