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Method for separating hydrocarbon from oil-containing rock

A technology of oil rocks and hydrocarbons, applied in the field of water-based electrical conductivity surfactant blends, which can solve the problems of expensive organic solvents, toxic organisms, and flammability

Inactive Publication Date: 2014-11-05
罗伯特·彼得科维奇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic solvents are often expensive, flammable, often toxic to living organisms, and potentially industrially hazardous

Method used

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  • Method for separating hydrocarbon from oil-containing rock
  • Method for separating hydrocarbon from oil-containing rock
  • Method for separating hydrocarbon from oil-containing rock

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 25 grams of oil sands purchased from the Alberta Research Council was placed in a 350 milliliter (ml) beaker containing 75 milliliters of a water-based electrically conductive surfactant blend It consists of about 1-10% by weight of xylene sulfonate, about 1-25% by weight of diethylene glycol butyl ether, about 0.1-10% by weight of sodium hydroxide and about 1-10% by weight of Sodium phosphate and balanced water composition. The water-based electrically conductive surfactant blend mixture was heated to 50°C and stirred for 60 seconds. Within 10 minutes the oil separated from the sand and floated up to the top of the water-based electrically conductive surfactant blend.

Embodiment 2

[0027] 25 grams of oil sands purchased from the Alberta Research Council was placed in a 350 milliliter (ml) beaker containing 75 milliliters of a water-based electrically conductive surfactant blend It consists of about 3-10% by weight of xylene sulfonate, about 5-10% by weight of diethylene glycol butyl ether, about 0.1-10% by weight of sodium hydroxide and about 1-5% by weight of Sodium phosphate and balanced water composition. The water-based electrically conductive surfactant blend mixture was heated to 50°C and stirred for 60 seconds. Within 10 minutes the oil separated from the sand and floated up to the top of the water-based electrically conductive surfactant blend.

Embodiment 3

[0029] The sample as in Example 1 or 2 was placed in a household microwave oven operating at 2.54 GHz and heated for 30 seconds. The water-based electrically conductive surfactant blend reached a temperature of 85°C. The solution was stirred for 60 seconds, allowed to stand for 1 hour and observed. As in Examples 1 or 2, the oil separates from the sand and floats up to the top of the water-based electrically conductive surfactant blend at ambient temperature.

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Abstract

The invention discloses a method for separating hydrocarbon from oil-containing rock. According to an embodiment scheme, the method includes following steps: mixing oil sand with a water-based electrically-conductive surfactant blend to obtain a mixture, enabling the mixture to be subjected to thermal radiation or micro-wave radiation with a frequency being 2.54 GHz, extracting trapped hydrocarbon into the water-based electrically-conductive surfactant blend in one minute, and separating the hydrocarbon from the water-based electrically-conductive surfactant in a manner of density liquid-phase separation.

Description

technical field [0001] Water based electrically conductive surfactant blends for extraction of petroleum hydrocarbons from rock resources are disclosed. In particular, this application relates to the heating of water-based electrically conductive surfactant blends mixed with oil sands, followed by the separation of hydrocarbons from oil sands or oil rocks using pressurized flow, mechanical agitation, and subsequent liquid density phase separation . Background technique [0002] Oil rocks and oil sands contain substantial amounts of the world's known petroleum reserves, perhaps half or more of the proven reserves. Oil is usually extracted from these sources by several means such as in situ production, where the application of hot water and pressure fractures the rock to release the oil. In the case of oil sands, the oil sands are open pit mines, so a lot of water is used to recover it. Natural gas is burned to heat sand and water treatment. In both of the above examples, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G1/00
Inventor 罗伯特·彼得科维奇
Owner 罗伯特·彼得科维奇