ACID EMULSION FOR ACID TREATMENT OF OIL RESERVOIRS

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United States of America Patent

APP PUB NO 20150148270A1
SERIAL NO

14090678

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Abstract

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The acid emulsion for acid treatment of oil reservoirs is an emulsion for the acid treatment of the rock reservoir around oil well bores. The acid emulsion includes an oil, such as kerosene, and an emulsifier added to the volume of oil to form an oil-emulsifier mixture. The emulsifier forms about 0.1 wt % of the oil-emulsifier mixture, and is preferably an organically modified montmorillonite clay. Brine is added to the oil-emulsifier mixture to form the acid emulsion. Preferably, the brine has a salt concentration of about 20 kppm, and is added such that the volume ratio of the brine to the oil is about 70 to 30.

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KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSDHAHRAN
KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY11442 RIYADH

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  • 2013 Application Filing Year
  • C09K Class
  • 2036 Applications Filed
  • 1761 Patents Issued To-Date
  • 86.50 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
AL-SARKHI, ABDELSALAM DHAHRAN, SA 2 4
AL-YAARI, MOHAMMED ABDULLAH HUSSEIN SANA'A, YE 1 2
HUSSEIN, IBNELWALEED A DHAHRAN, SA 25 49

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  • C09K Class
  • 18.79 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1374566838194211301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6081 - 9091 - 100100 +0255075100125150175200225250275300325350375400425450475500

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