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Drilling fluid flow pattern regulator, and preparation method and applications thereof

A technology of flow regulator and drilling fluid, which is applied in the field of oil drilling, can solve problems such as lack of water retention capacity, and achieve the effects of enhancing shear dilution, preventing water loss, and good biodegradability

Inactive Publication Date: 2018-12-04
YANGTZE UNIVERSITY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although xanthan gum, guar gum and high-viscosity polyanionic cellulose have good effects in terms of biotoxicity and degradability, they are lacking in water retention capacity.

Method used

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  • Drilling fluid flow pattern regulator, and preparation method and applications thereof
  • Drilling fluid flow pattern regulator, and preparation method and applications thereof
  • Drilling fluid flow pattern regulator, and preparation method and applications thereof

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preparation example Construction

[0039] The present invention also provides a preparation method of the flow pattern regulator for drilling fluid according to the above technical scheme. In the present invention, the preparation method of the flow pattern regulator for drilling fluid includes the following steps:

[0040] Xanthan gum, wormwood gum, plantain gum, konjac gum, tamarind gum, hyaluronic acid and sodium alginate are mixed to obtain a flow pattern regulator for drilling fluid.

[0041] The present invention does not specifically limit the manner of mixing the above-mentioned raw materials, as long as the mixing manner known to those skilled in the art is adopted. In the specific embodiment of the present invention, the present invention specifically uses a kneader to uniformly mix the above-mentioned raw materials.

[0042] The present invention also provides the application of the flow pattern regulator for drilling fluid according to the above technical solution or the flow pattern regulator for drillin...

Embodiment 1

[0047] 40 parts by weight of xanthan gum, 10 parts by weight of sand wormwood gum, 20 parts by weight of psyllium gum, 10 parts by weight of tamarind gum, 5 parts by weight of konjac gum, 5 parts by weight of hyaluronic acid and 5 parts by weight of sodium alginate were compounded It is mixed evenly with a kneader to obtain a flow regulator.

Embodiment 2

[0049] Combine 50 parts by weight of xanthan gum, 20 parts by weight of sand wormwood gum, 10 parts by weight of psyllium gum, 15 parts by weight of tamarind gum, 10 parts by weight of konjac gum, 5 parts by weight of hyaluronic acid and 10 parts by weight of sodium alginate. It is mixed evenly with a kneader to obtain a flow regulator.

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PUM

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Abstract

The invention provides a drilling fluid flow pattern regulator, and a preparation method and applications thereof. According to the preparation method, xanthan gum is taken as a base material, naturalhigh molecular polymers, such as sa-son seed gum, psyllium seed gum, konjac glucomannan, tamarind gum, hyaluronic acid, and sodium alginate, excellent in water retention effects are added. On one hand, the natural high molecular polymers are capable of providing drilling fluid with excellent water retention effect, and preventing moisture loss; and on the other hand, the cooperation effect of thenatural high molecular polymers with xanthan gum is capable of increasing the viscosity and biodegradation performance of the drilling fluid flow pattern regulator, so that the drilling fluid flow pattern regulator can be applied in ecological drilling fluid.

Description

Technical field [0001] The invention relates to the field of petroleum drilling, in particular to a flow pattern regulator for drilling fluid, and a preparation method and application thereof. Background technique [0002] Drilling fluid is an important fluid in drilling engineering, and it is directly related to the safety and quality of drilling. As people pay more and more attention to the ecological environment, the treatment methods of drilling fluid have changed from direct discharge, solidification and burying in the early days to the current recycling. The drilling fluid has gradually developed in the direction of ecological and environmental protection, and ecological drilling fluid has emerged as the times require. [0003] Flow pattern regulators are an important material in ecological drilling fluids. The function of flow pattern regulators in ecological drilling fluids is to adjust the rheology of the drilling fluid to ensure clean wellbore and safe drilling. At prese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/035
CPCC09K8/035
Inventor 许明标周姗姗由福昌
Owner YANGTZE UNIVERSITY
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