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公开(公告)号：US20220243121A1
公开(公告)日：2022-08-04
申请号：US17592585
申请日：2022-02-04
Applicant: Saudi Arabian Oil Company
Inventor： Sivaprakash Shanmugam , Carl Thaemlitz
Abstract: A method of polymer flooding within a sandstone formation the method comprising: injecting a treatment fluid composition into a wellbore, the treatment fluid composition comprising: a base fluid, and a viscosifier comprising a branched block copolymer wherein the branched block copolymer is a crosslinked, polymerized reaction product of crosslinker C and monomer A and monomer B and monomer D; and increasing hydrocarbon production from the wellbore.
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公开(公告)号：US20220243113A1
公开(公告)日：2022-08-04
申请号：US17592058
申请日：2022-02-03
Applicant: Saudi Arabian Oil Company
Inventor： Sivaprakash Shanmugam , Ashok Santra , Carl Thaemlitz
IPC: C09K8/24
Abstract: A drilling fluid includes an aqueous phase, a clay-based component, and an amphiphilic branched star polymer. The amphiphilic branched star polymer is a crosslinked, polymerized reaction product of crosslinker C, hydrophobic monomer B, and hydrophilic monomer A. The crosslinked polymerized reaction product includes a plurality of block copolymer segments of hydrophobic monomer B and hydrophilic monomer A interconnected via crosslinker C.
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公开(公告)号：US20220145159A1
公开(公告)日：2022-05-12
申请号：US17523287
申请日：2021-11-10
Applicant: Saudi Arabian Oil Company
Inventor： Simone Musso , Sivaprakash Shanmugam
Abstract: Cement slurries, cured cements, and methods of making cured cement and methods of using cement slurries are provided. The cement slurries have, among other attributes, improved expanding capabilities and may be used, for instance, in the oil and gas drilling industry. The cement slurry comprises water, a cement precursor material, and an expanding agent. The expanding agent comprising at least a poly(lactic acid)-metal oxide nanocomposite. The metal oxide comprises MgO, CaO, or both, and the poly(lactic acid) comprises a carboxylic acid terminal group.
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