Invention Grant
- Patent Title: Method for preventing calcium citrate precipitation during citric acid acidizing treatments
- Patent Title (中): 在柠檬酸酸化处理中防止柠檬酸钙沉淀的方法
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Application No.: US12966348Application Date: 2010-12-13
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Publication No.: US08927467B2Publication Date: 2015-01-06
- Inventor: Mohammed H. Al-Khaldi
- Applicant: Mohammed H. Al-Khaldi
- Applicant Address: SA Dhahran
- Assignee: Saudi Arabian Oil Company
- Current Assignee: Saudi Arabian Oil Company
- Current Assignee Address: SA Dhahran
- Agency: Bracewell & Giuliani LLP
- Agent Constance Gall Rhebergen
- Main IPC: C09K8/528
- IPC: C09K8/528 ; C09K8/52 ; C09K8/78 ; C08K5/092 ; C08K5/17
Abstract:
Methods of preventing precipitation of calcium citrate and iron-based scale during acidizing treatments and related compositions are provided as embodiments of the present invention. The acidizing treatment fluid includes citric acid and tetra-salts of EDTA.
Public/Granted literature
- US20120149607A1 Method for Preventing Calcium Citrate Precipitation During Citric Acid Acidizing Treatments Public/Granted day:2012-06-14
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