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Composition as well as preparation method and application thereof

A technology of composition and mixture, applied in the directions of drilling compositions, chemical instruments and methods, etc., can solve the problems of high storage and transportation risks, incomplete cleaning, short construction time, etc. Strong ability to strip crude oil and highlight the effect of interface properties

Active Publication Date: 2022-03-01
NINGBO FENGCHENG ADVANCED ENERGY MATERIALS RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, although conventional oil-soluble cleaning agents dissolve heavy components such as asphalt quickly and have good effects, they are dangerous in storage and transportation, and have a bad smell. They are not suitable for summer use. They are highly flammable and explosive, so they are no longer suitable The actual demand on site; the cleaning speed of conventional water-based cleaning agents is relatively slow, and for oil wells containing more scale components such as asphalt colloid, the construction time is required to be short, and the existing conventional water-based cleaning agents can only be used for cleaning oil layers. In the well area, the cleaning range is small, so that the water-soluble cleaning agent cannot achieve the desired effect, thus affecting the subsequent oil recovery operations
These existing technologies have some disadvantages, such as incomplete cleaning, high risk of storage and transportation, unsafe use, slow cleaning speed, high cost, etc.

Method used

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  • Composition as well as preparation method and application thereof
  • Composition as well as preparation method and application thereof
  • Composition as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] A nanoscale water-based oil-based cleaning agent is a modified oxide oxide (INFA), sodium dodecyl sulfate, dodecyl trimethyl ammonium chloride, sodium α-olefin sulfate, polyethylene glycol 400, methanol, water composition.

[0080] In the present embodiment, the weight of the component is calculated from the oil layer cleaning agent, and the component of the component is: 10 parts of the oxide (INFA), 1 sodium sulfate sodium sulfate, and dodecyl group. 1.5 parts of ammonium chloride, 1.5 parts of α-olefin sulfonate, 0.5 parts of polyethylene glycol, 0.25 methanol, and the rest is water.

[0081] 10 parts of modified gossyl oxide (INFA) were added to 85.3 parts of water, and then 1.5 parts of dodecyl trimethyl chloride and 1.5 parts of sodium α-olefin sulfate were added, heated to 40 ° C. Stirring is about 30 min (all dissolved to the particles), then add 1 part of the sodium sulfate sulfate according to the ratio, and finally 0.5 parts of polyethylene glycol and 0.2 parts o...

Embodiment 2

[0083] A nanoscale water-based oil-based cleaning agent is a modified oxide oxide (INFA), sodium dodecyl sulfate, dodecyl trimethyl ammonium chloride, sodium α-olefin sulfate, polyethylene glycol 12000, methanol, water composition.

[0084] In this embodiment, the component is calculated from the oil layer cleaning agent, and the component of the component is: 15 parts of modified graphene (INFA), 0.5 sodium sulfate sodium sulfate, dodeyl three 1 part of ammonium chloride, 1 α-olefin sodium sulfate, 0.3 parts of polyethylene glycol, 0.3 methanol, 81.5 parts of water.

[0085] The preparation method of the nano-serial oil-based oil layer cleaning agent of the present embodiment is in that the "heating to 40 ° C" is replaced with "heating to 45 ° C". The resulting composition was recorded as a sample 2 #.

Embodiment 3

[0087] A nanoscale water-based oil-based cleaning agent is a modified oxide oxide (INFA), sodium dodecyl sulfate, dodecyl trimethyl ammonium chloride, sodium α-olefin sulfate, polyethylene glycol 2000, methanol, water composition.

[0088] In this embodiment, the weight of the component is calculated from the oil layer cleaning agent, and the component of the components is: 12 parts of modified graphene (INFA), 1.5 parts of sodium dodecyl sulfate, and dodecyl group. 1 metatyl ammonium chloride, 1.5 parts of α-olefin sulfonate, 0.65 parts of polyethylene glycol, 0.35 methanol, 83 water.

[0089] The preparation method of the nanohydrate oil layer cleaning agent of the present embodiment is in Example 1. The resulting composition is recorded as a sample 3 #.

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Abstract

The invention discloses a composition as well as a preparation method and application thereof. The composition comprises modified graphene oxide, an anionic surfactant, a cationic surfactant and a composite solvent. The composition has good capabilities of washing oil and dissolving waxiness, colloid and asphaltene, has the effects of wetting, permeating, dispersing and stripping organic sediments, and can effectively prevent re-deposition of organic matters such as waxiness, colloid and asphaltene in immediate vicinity of wellbore, so that the construction period of validity is long, and the effect is remarkable.

Description

Technical field [0001] The present application relates to a composition and a preparation method thereof, an application, a field of petroleum mining. Background technique [0002] With long-term development of wells, collars in crude oil, asphaltene and waxy are constantly accumulated around the bottom of the well and the pipeline of oil, resulting in reduction in oil wells. Wax, colloid, and asphaltene deposition is the problem of not ignored during all heavy oil reservoirs. [0003] At present, the main oil layer cleaning agents are mainly divided into conventional solvent-based cleaning agents and water-based cleaning agents. Solvent type cleaning agent is a conventional cleaning agent that cannot be dissolved with aqueous phase such as white oil, gasoline, diesel, hydrocarbon cleaner, etc., called a solvent-based cleaning agent. A conventional solvent-based cleaning agent is a role in dissolving contaminants, and it is broken down into smaller particles, and it is brought in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/524
CPCC09K8/524
Inventor 刘宇虹王耀国
Owner NINGBO FENGCHENG ADVANCED ENERGY MATERIALS RES INST CO LTD