Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Environmental-friendly drilling fluid lubricant

A technology of lubricants and surfactants, applied in the field of drilling fluid lubricants and their preparation, can solve the problems of retention in water and soil, pollute the environment, pollute the ecological environment, etc., and achieve excellent anti-wear performance and biodegradability Effect

Active Publication Date: 2016-06-22
BEIJING XINXIANGYUAN CHANGSHUN LUBRICATING OIL CO LTD
View PDF5 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mineral oil-based lubricants are mainly C20-C70 hydrocarbon compounds, which have poor biodegradability and will remain in water and soil for a long time during use, causing environmental pollution
When the water contains a low concentration of mineral oil, it will cause the death of marine biota; when the mineral oil penetrates into the soil, the microorganisms in the soil will be poisoned to death, seriously polluting the ecological environment, and the application of mineral lubricating oil is limited, so There is a need for a drilling fluid lubricant with excellent lubricating performance and environmental friendliness

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Environmental-friendly drilling fluid lubricant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: In a reactor that can be heated and stirred, first add 25.0 kg of biodiesel, 25.0 kg of polyether and 25.0 kg of ester base oil, stir and heat to 50-60 ° C, add Span-80 sorbitan oil 10.0 kg of acid ester, 12.0 kg of EL-40 polyoxyethylene castor oil, 2.5 kg of extreme pressure antiwear agent, stirred for 1 hour, finally added 0.5 kg of defoamer, and continued to stir for 1 hour to obtain light yellow viscous liquid, namely The drilling fluid lubricant provided by the present invention.

Embodiment 2

[0015] Example 2: In a heated and stirred reactor, first add 20.0 kg of biodiesel, 30.0 kg of polyether and 30.0 kg of ester base oil, stir and heat to 50-60 °C, add Span-80 sorbitan oil 8.0 kg of acid ester, 10 kg of EL-40 polyoxyethylene castor oil, 1.5 kg of extreme pressure antiwear agent, stirred for 1 hour, finally added 0.5 kg of defoamer, and continued to stir for 1 hour to obtain light yellow viscous liquid, namely The drilling fluid lubricant provided by the present invention.

[0016] Biodiesel (20-30%), polyether (20-30%), ester base oil (20-30%), Span-80 sorbitan oleate (5-20%), EL-40 poly Oxyethylene castor oil (5-20%), extreme pressure antiwear agent (2-10%), defoamer (0.5-1%),

Embodiment 3

[0017] Example 3: In a heated and stirred reactor, first add 25.0 kg of biodiesel, 30.0 kg of polyether and 30.0 kg of ester base oil, stir and heat to 50-60°C, add Span-80 sorbitan oil 8.0 kg of acid ester, 5.0 kg of EL-40 polyoxyethylene castor oil, 1.5 kg of extreme pressure antiwear agent, stirred for 1 hour, finally added 0.5 kg of defoamer, and continued to stir for 1 hour to obtain light yellow viscous liquid, namely The drilling fluid lubricant provided by the present invention.

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 belongs to the field of oilfield chemistry, and relates to a drilling fluid lubricant prepared by taking biodiesel, a polyether compound and esters oil as base oil, adding a proper antiwear additive and surfactants and blending, and a preparation method thereof. The lubricant provided by the invention comprises the components by the weight percentage: 20%-30% of the biodiesel, 20%-30% of polyether, 20%-30% of esters base oil, 5-20% of Span-80 sorbitan oleate, 5-20% of EL-40 polyoxyethylene castor oil, 2-10% of an extreme pressure antiwear agent, and 0.5-1% of a defoaming agent. The drilling fluid lubricant provided by the invention is formed by taking the biodiesel, the polyether, esters and other good-biodegradability compounds as the base oil, adding the anionic surfactant, the non-ionic surfactant, the extreme pressure antiwear agent and the defoaming agent and blending; the drilling fluid lubricant has excellent wear resistance and biodegradability, has no significant effect on other drilling fluid properties, such as the viscosity, the water loss rate and the like, and is an environmental-friendly drilling fluid lubricant.

Description

technical field [0001] The invention relates to a drilling fluid lubricant prepared by blending biodiesel, polyether compound and ester oil as base oil, adding suitable anti-wear additives and surfactants and a preparation method thereof. The drilling fluid provided by the invention has excellent biodegradability and is an environment-friendly drilling fluid lubricant. Background technique [0002] Drilling fluid lubricant can improve the lubricity of drilling fluid and reduce the viscosity coefficient of mud cake. At present, most drilling fluid lubricants in my country are mineral oil lubricants. Mineral oil-based lubricants are mainly C20-C70 hydrocarbon compounds, which have poor biodegradability and will remain in water and soil for a long time during use, causing environmental pollution. When the water contains a low concentration of mineral oil, it will cause the death of marine biota; when the mineral oil penetrates into the soil, the microorganisms in the soil wil...

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
IPC IPC(8): C09K8/03
CPCC09K8/03C09K2208/34
Inventor 刘长斌
Owner BEIJING XINXIANGYUAN CHANGSHUN LUBRICATING OIL CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com