Invention Grant
- Patent Title: Preparation method, formulation and application of chemically retarded mineral acid for oilfield use
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Application No.: US14824362Application Date: 2015-08-12
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Publication No.: US09920606B2Publication Date: 2018-03-20
- Inventor: Li Jiang , Mohan Kanaka Raju Panga , Christopher Scot Daeffler , Olga Vladimirovna Nevvonen , Merlyn Xavier Pulikkathara , Sergey Makarychev-Mikhailov , Jack Li , Annie Yi Sun
- Applicant: Schlumberger Technology Corporation
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Michael L. Flynn; Rachel E. Greene; Robin Nava
- Main IPC: E21B43/25
- IPC: E21B43/25 ; C09K8/74 ; C01B7/01 ; C09K8/86 ; C09K8/54
Abstract:
An aqueous composition comprising a mineral acid, a fixing agent and water present in an amount sufficient to dissolve the mineral acid and the fixing agent. The fixing agent comprises at least one of an amine and/or an amide containing compound having a dipole moment of at least 3 when in the aqueous composition.
Public/Granted literature
- US20150344771A1 PREPARATION METHOD, FORMULATION AND APPLICATION OF CHEMICALLY RETARDED MINERAL ACID FOR OILFIELD USE Public/Granted day:2015-12-03
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