Formulas of resin materials for hoop shoes and high-performance hoop shoes

A technology of resin materials and floating hoop shoes, which is applied in earthwork drilling, wellbore/well components, sealing/package, etc., can solve problems such as poor cementation quality, long maintenance time, and poor drillability of floating hoop shoes , to achieve the effect of short processing time, short curing time and strong drillability

Active Publication Date: 2022-03-08
四川达灿石油设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0027] The purpose of the present invention is to provide a formula of resin materials for floating hoop shoes, which can be used to make the base of floating hoop shoes, and can solve the problem that the floating hoop shoes can be drilled when cast aluminum materials are used in the prior art. Poor performance; avoiding the problems of long curing time and poor bonding quality between filling materials, accessories and shell body when concrete materials are used

Method used

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preparation example Construction

[0093] Based on the above components, the present invention discloses a method for preparing a resin material for making a floating shoe base, wherein the resin material includes the following components:

[0094] 2000-2500 parts of bisphenol A epoxy resin; 1000 parts of curing agent diethylaminopropylamine;

[0095] 50 parts of dispersant polyethylene wax; 100 parts of calcium-zinc composite stabilizer;

[0096] 20 parts of antifoaming agent; 200 parts of nanometer talcum powder;

[0097] 10-20 parts of silane coupling agent and 10-30 parts of ethyl quinoline carboxylate in water resistance composition;

[0098] The preparation method comprises the following steps:

[0099] Mix the bisphenol A type epoxy resin, curing agent, dispersant, calcium-zinc composite stabilizer, defoamer, nano talcum powder and water-resistant agent composition in the formula amount to obtain a mixture, and add the mixture to the mixing equipment Mixing for 5 minutes to 15 minutes; the mixing temp...

Embodiment 1

[0101] Resin components:

[0102] 2000 parts of bisphenol A type epoxy resin; 1000 parts of curing agent diethylaminopropylamine;

[0103] 50 parts of dispersant polyethylene wax; 100 parts of calcium-zinc composite stabilizer;

[0104] 20 parts of antifoaming agent; 200 parts of nanometer talcum powder;

[0105] Water resistance composition 10 parts of silane coupling agent and 20 parts of ethyl quinoline carboxylate.

[0106] Preparation:

[0107] Mix the bisphenol A type epoxy resin, curing agent, dispersant, calcium-zinc composite stabilizer, defoamer, nano talcum powder and water-resistant agent composition in the formula amount to obtain a mixture, and add the mixture to the mixing equipment Mixing for 10 minutes; the mixing temperature is 120°C; after mixing, keep it at 100°C for 5 hours, then inject it into the mold of the floating hoop floating shoe base, add a release agent in the mold in advance, and cool the resin naturally The material can be taken out; the sh...

Embodiment 2

[0109] Resin components:

[0110] 2000 parts of bisphenol A type epoxy resin; 1000 parts of curing agent diethylaminopropylamine;

[0111] 50 parts of dispersant polyethylene wax; 100 parts of calcium-zinc composite stabilizer;

[0112] 20 parts of defoamer; 200 parts of nano talcum powder.

[0113] The preparation method of embodiment 2 is identical with embodiment 1.

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Abstract

The invention discloses a formulation of resin materials for floating hoop floating shoes. The resin material is used to make the base of the floating hoop floating shoes, and the shell and the body are formed into the base at one time; the resin material includes 1500 parts of epoxy resin ~3000 parts; 800-1200 parts of resin curing agent; 30-60 parts of high-efficiency dispersant; 50-150 parts of heat stabilizer; 10-30 parts of defoamer; 150-300 parts of nano-filler. The invention adopts epoxy resin as the base material to prepare the floating hoop floating shoes, and applies the characteristics of the epoxy resin material to the floating hoop floating shoes, so that the base of the floating hoop floating shoes has strong drillability, high strength and preparation time. It has the advantages of short curing time and other advantages; at the same time, the preparation of the base is formed by one-time molding of the mold, which is integrally molded, eliminating the boundary between the body and the shell in the prior art, and the shell and the body are integrally produced, and there is no falling off between the shell and the body in the prior art. Risk and cement quality issues.

Description

technical field [0001] The invention relates to the technical field of well cementing construction tools, in particular to a formula of resin materials used for floating hoop shoes and high-performance floating hoop shoes. Background technique [0002] The floating hoop shoe is a widely used cementing tool. The main function of the floating hoop shoe is to guide the casing into the well smoothly, adjust the buoyancy of the casing string when running the casing, and prevent the cement from flowing back into the casing and the seat rubber plug during cementing. The quality of the floating hoop shoe is directly related to affect the cementing quality. Once there is a quality problem with the floating hoop and the floating shoes, the return of the cement slurry cannot meet the requirements, and the pouring of the cement slurry will cause the plug in the casing to be too long, unable to be touched and pressed, and unable to show that the replacement is in place. [0003] From a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08L23/06C08K13/02C08K3/34C08K5/54C08K5/3437E21B33/13
CPCC08L63/00E21B33/13C08K2201/011C08L23/06C08K13/02C08K3/34C08K5/54C08K5/3437
Inventor 徐兴海徐峰
Owner 四川达灿石油设备有限公司
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