-
公开(公告)号：US11746279B2
公开(公告)日：2023-09-05
申请号：US17454719
申请日：2021-11-12
Inventor： Rajendra Arunkumar Kalgaonkar , Eyad Alali , Mohammed Abudullah 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.-
公开(公告)号：US20230265334A1
公开(公告)日：2023-08-24
申请号：US18310256
申请日：2023-05-01
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：US20230151265A1
公开(公告)日：2023-05-18
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 a 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：US11230661B2
公开(公告)日：2022-01-25
申请号：US17013255
申请日：2020-09-04
Applicant: Saudi Arabian Oil Company
Inventor： Rajendra Arunkumar Kalgaonkar , Noor O Baqader , Ahmed M. Gomaa , Khalid R. Alnoaimi
IPC: C09K8/80 , C09K8/92 , E21B43/267 , B82Y30/00
Abstract: A composition includes an emulsion of nanocomposite in water and a proppant. The nanocomposite includes an epoxy resin and an organically modified montmorillonite compatible to the epoxy resin.
-
公开(公告)号：US20210403798A1
公开(公告)日：2021-12-30
申请号：US16917273
申请日：2020-06-30
Applicant: Saudi Arabian Oil Company
Abstract: A method and a system for preventing water production in subterranean formations are provided. An exemplary system disclosed a water shutoff material for a wellbore. The water shutoff material includes a gel formed from an acidic suspension of nanosilica particles and an activator.
-
Patent Agency Ranking
公开(公告)号：US11186759B2
公开(公告)日：2021-11-30
申请号：US16519978
申请日：2019-07-23
Applicant: Saudi Arabian Oil Company
Inventor： Rajendra Arunkumar Kalgaonkar , Vikrant Bhavanishankar Wagle , Abdullah Saleh Hussain Al-Yami , Ayman Mohammed Almohsin
Abstract: A lost-circulation material including a mixture of an aqueous colloidal dispersion and fatty acid. The aqueous colloidal dispersion includes silica nanoparticles and has a pH of at least 8. Combining the colloidal dispersion and the fatty acid initiates gelation of the lost-circulation material when the pH of the lost-circulation material is less than 8 and a temperature of the lost-circulation material is in a range of 5° C. to 300° C. Sealing an opening in a portion of a wellbore or a portion of a subterranean formation in which the wellbore is formed may include providing the aqueous colloidal dispersion and the fatty acid to the wellbore, mixing the colloidal dispersion and the fatty acid to yield the lost-circulation material, initiating gelation of the lost-circulation material, and solidifying the lost-circulation material in the wellbore to yield a set gel.
-
37.发明授权公开(公告)号：US11124691B2
公开(公告)日：2021-09-21
申请号：US16865719
申请日：2020-05-04
Applicant: Saudi Arabian Oil Company
Inventor： Vikrant Wagle , Rajendra Arunkumar Kalgaonkar , Abdullah Al-Yami
IPC: C09K8/516 , C09K8/508 , C09K8/504 , E21B43/22 , E21B33/138
Abstract: A method for controlling loss circulation and a convertible drilling mud operable to convert into a solid gel lost circulation material. The method includes introducing into a wellbore a nanosilica drilling fluid comprising water, an alkaline nanosilica dispersion, and at least one additive. The method further includes introducing into the nanosilica drilling fluid an amount of a chemical activator comprising a water soluble hydrolysable polyester to produce a convertible drilling mud where the convertible drilling mud has an initial pH between 8 and 11 upon formation. The method also includes allowing the chemical activator to hydrolyze to produce an acid and reduce the pH of the convertible drilling mud to less than a gel pH, thereby converting the convertible drilling mud into a solid gel lost circulation material.
-
公开(公告)号：US11053426B2
公开(公告)日：2021-07-06
申请号：US16450160
申请日：2019-06-24
Applicant: Saudi Arabian Oil Company
Inventor： Rajendra Arunkumar Kalgaonkar , Vikrant Bhavanishankar Wagle , Abdullah Saleh Hussain Al-Yami , Ayman Mohammed Almohsin
Abstract: A lost-circulation material including a mixture of an aqueous colloidal dispersion and fatty acid. The aqueous colloidal dispersion includes silica nanoparticles and has a pH of at least 8. Combining the colloidal dispersion and the fatty acid initiates gelation of the lost-circulation material when the pH of the lost-circulation material is less than 8 and a temperature of the lost-circulation material is in a range of 5° C. to 300° C. Sealing an opening in a portion of a wellbore or a portion of a subterranean formation in which the wellbore is formed may include providing the aqueous colloidal dispersion and the fatty acid to the wellbore, mixing the colloidal dispersion and the fatty acid to yield the lost-circulation material, initiating gelation of the lost-circulation material, and solidifying the lost-circulation material in the wellbore to yield a set gel.
-
公开(公告)号：US20210071067A1
公开(公告)日：2021-03-11
申请号：US17013255
申请日：2020-09-04
Applicant: Saudi Arabian Oil Company
Inventor： Rajendra Arunkumar Kalgaonkar , Noor O. Baqader , Ahmed M. Gomaa , Khalid R. Alnoaimi
Abstract: A composition includes an emulsion of nanocomposite in water and a proppant. The nanocomposite includes an epoxy resin and an organically modified montmorillonite compatible to the epoxy resin.
-
公开(公告)号：US10745610B2
公开(公告)日：2020-08-18
申请号：US15981998
申请日：2018-05-17
Applicant: Saudi Arabian Oil Company
Inventor： Rajendra Arunkumar Kalgaonkar , Vikrant Wagle
IPC: E21B33/138 , E21B43/22 , C09K8/575 , C09K8/57
Abstract: A method for plugging and sealing subsurface formations using alkaline nanosilica dispersion and a delayed activation chemistry includes introducing a mixture with a first pH into the subsurface formation. The mixture comprises an aqueous solution, an alkaline nanosilica dispersion and a water-insoluble hydrolyzable compound. The method further includes allowing the water-insoluble hydrolyzable compound to hydrolyze in the subsurface formation to form an acid at 70° C. or greater, thereby acidizing the mixture to a reduced second pH and causing the alkaline nanosilica dispersion to gel into a solid and seal the subsurface formation. A composition for sealing a subsurface formation includes an aqueous mixture including water, an alkaline nanosilica dispersion, and a water-insoluble hydrolyzable compound.
-
-
-
-
-
-
-
-
-
Search Results
78
records
(took 0.032 seconds)
