Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for foaming oil base

An oil-based, foaming agent technology, applied in the field of oil foaming, can solve the problems of poor foaming effect and high price, and achieve the effects of improving foaming effect, reducing price and simple foaming method

Inactive Publication Date: 2017-04-05
CHINA PETROLEUM & CHEM CORP +1
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for oil-based foaming in order to overcome the defects of poor foaming effect and high price in the prior art

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] This example is used to illustrate the oil-based foaming method of the present invention.

[0027] (1) disodium lauryl sulfosuccinate (LT-60), cocamidopropyl betaine (CAB-35), ethylene glycol butyl ether, isopropanol, and water in a mass ratio of 50:15: Mix at 10:5:20, take 1 gram of the prepared mixture in 100ml of diesel, add 2 grams of ethylene-propylene-diene copolymer (EPDM) to fully dissolve to form a foamable diesel.

[0028] (2) Using sand core dry air bubbling method, install a sand core bubbler at the bottom of the measuring cylinder, pour the prepared foamable diesel oil into the measuring cylinder, start bubbling, and the foam volume increases. When the foam generation speed is equal, the foam height tends to be stable. At this time, record the foam height as the foam volume (initial volume), stop bubbling, record the time when the foam volume decreases to half of the initial volume, and record it as half-life, foam volume and half-life The results are show...

Embodiment 2

[0030] This example is used to illustrate the oil-based foaming method of the present invention.

[0031] (1) Disodium lauryl ether sulfosuccinate monoester (MES-30), lauryl amidopropyl betaine (LAB-30), butyl glycol ether, isopropanol, and water in a mass ratio of 40:20 :10:6:20 mixing, take 1.5 grams of the prepared foaming agent in 100ml diesel, add 1 gram of ethylene propylene copolymer (OCP) to fully dissolve to form foamable diesel.

[0032](2) Using sand core dry air bubbling method, install a sand core bubbler at the bottom of the measuring cylinder, pour the prepared foamable diesel oil into the measuring cylinder, start bubbling, and the foam volume increases. When the foam generation speed is equal, the foam height tends to be stable. At this time, record the foam height as the foam volume (initial volume), stop bubbling, record the time when the foam volume decreases to half of the initial volume, and record it as half-life, foam volume and half-life The results a...

Embodiment 3

[0034] This example is used to illustrate the oil-based foaming method of the present invention.

[0035] (1) Dioctyl sodium sulfosuccinate (penetrant T), dodecyl dimethyl betaine (BS-12), butyl glycol ether, isopropanol, and water are mixed in a mass ratio of 45:10 :15:5:15 mixing, take 1 gram of the prepared mixture in 100ml of diesel, add 2 grams of hydrogenated styrene diene copolymer (HSD) to fully dissolve to form foamable diesel.

[0036] (2) Using sand core dry air bubbling method, install a sand core bubbler at the bottom of the measuring cylinder, pour the prepared foamable diesel oil into the measuring cylinder, start bubbling, and the foam volume increases. When the foam generation speed is equal, the foam height tends to be stable. At this time, record the foam height as the foam volume (initial volume), stop bubbling, record the time when the foam volume decreases to half of the initial volume, and record it as half-life, foam volume and half-life The results ar...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method for foaming an oil base. The method comprises the steps of mixing a foamer composition with oil, and then, carrying out foaming treatment, wherein the oil is diesel, a bubbling gas source of a foaming treatment process is air, the foamer composition contains a foamer and a foam stabilizer, the foamer contains a surfactant A, a surfactant B, a compatibilizer and a solvent, the surfactant A is an anionic surfactant, the surfactant B is a betaine type surfactant, the compatibilizer is ether which is soluble in water and oil, and the solvent is alcohol. According to the method disclosed by the invention, the foaming effect is good, the cost is low, and on-site operation is facilitated.

Description

technical field [0001] The invention relates to the field of oil foaming, in particular to an oil-based foaming method. Background technique [0002] With the increasing exploration and development of ultra-low pressure formations and mature oil and gas fields in the middle and late stages, it is particularly important to develop low-density drilling fluid technology. Foamy low-density drilling fluids represented by water-based foams emerged as the times require and have been widely used. However, due to problems such as shale hydration expansion, the usual water-based foam drilling fluid is not suitable for water-sensitive formations and cores. In "Research on Oil-based Foam Drilling Fluid Technology", Tan et al. used fluorocarbon surfactants or silicon-containing surfactants as foaming agents and polymer foam stabilizers to form a stable diesel-based foam system. Foaming treatment can be carried out on oil base, but due to the problem of its high price, the practical app...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/38
CPCC09K8/38
Inventor 祝纶宇杜超方昭胡晓娜张文龙伊卓刘希
Owner CHINA PETROLEUM & CHEM CORP