阅读说明：本技术 一种释能复合制剂及其制备方法 (Energy-releasing compound preparation and preparation method thereof ) 是由 禹栽星 于德明 徐文超 于 2019-10-28 设计创作，主要内容包括：本发明的一种释能复合制剂及其制备方法,涉及一种油田开采用射孔药浆,是按重量份数配比的41～53份粘合剂、40～60燃烧剂、5～15份功能添加剂、8～10份促进剂、1～3份固化剂和5～7份裂缝支撑剂混合而成,制得的药浆与射孔弹组合能够降低射孔表皮系数10%,在国内延长、长庆等低渗油气储层起到较好的降低注水压力,增加产量的作用效果。装配本产品的射孔器平均穿深825mm,未装配扩容体的射孔器平均穿深为785mm,穿深提高了5.1%；孔径提高了6.1%。本产品药浆采用惰性材料,生产装配没有危险性,安全可靠,属于释能品。所得产品技术要求爆热测试值≥2600kJ/kg、耐温180℃/48h,无流变,不自燃。(The invention relates to an energy-release composite preparation and a preparation method thereof, and relates to a perforating slurry for oil field exploitation, which is prepared by mixing 41-53 parts of adhesive, 40-60 parts of combustion agent, 5-15 parts of functional additive, 8-10 parts of accelerant, 1-3 parts of curing agent and 5-7 parts of fracture propping agent according to the weight parts, wherein the prepared slurry and perforating bullet combination can reduce the perforation skin coefficient by 10%, and have the effects of reducing water injection pressure and increasing yield better in low-permeability oil and gas reservoirs such as domestic extension and Changqing. The average penetration depth of the perforator assembled with the product is 825mm, the average penetration depth of the perforator unassembled with the container is 785mm, and the penetration depth is improved by 5.1%; the aperture is improved by 6.1 percent. The medicine slurry of the product is made of inert materials, has no danger in production and assembly, is safe and reliable, and belongs to energy release products. The obtained product has the technical requirements that the explosion heat test value is more than or equal to 2600kJ/kg, the temperature resistance is 180 ℃/48h, and the product has no rheology and no spontaneous combustion.)

1. The energy-releasing composite preparation is characterized by being prepared by mixing 41-53 parts of adhesive, 40-60 parts of combustion agent, 5-15 parts of functional additive, 8-10 parts of accelerant, 1-3 parts of curing agent and 5-7 parts of crack propping agent according to parts by weight.

2. The energy-releasing composite preparation according to claim 1, wherein the binder comprises one or more of epoxy resin, phenolic resin, silicone rubber.

3. The energy-releasing composite preparation according to claim 1, wherein the combustion agent comprises one or more of tungsten powder, copper-lead powder, aluminum powder, nickel powder and zirconium powder.

4. The energy-releasing composite preparation as set forth in claim 1, characterized in that the functional additive includes one or more of titanium powder, bismuth powder, carbon black, graphite, iron oxide and copper oxide.

5. The energy-releasing composite preparation according to claim 1, wherein the accelerating agent comprises one or more of dimethylethanolamine, 2,4, 6-tris (dimethylaminomethyl) phenol, tetramethylethylenediamine and 1-dimethylamino-3-phenoxypropanol.

6. The energy-releasing composite preparation according to claim 1, wherein the curing agent comprises one or more of 650 low molecular weight polyamide, aliphatic polyamine, alicyclic aromatic polyamine.

7. The energy-releasing composite preparation according to claim 6, wherein the alicyclic aromatic hydrocarbon polyamine is m-phenylenediamine or m-xylylenediamine.

8. The energy-releasing composite preparation according to claim 1, wherein the fracture proppant comprises one of gravel and ceramsite or a combination of both in any ratio.

9. A process for the preparation of the energy releasing complex formulation of claim 1, comprising the steps of:

a. uniformly mixing 40-60 parts of combustion agent with the granularity of 100-200 meshes, 5-15 parts of functional additive and 5-7 parts of crack propping agent to prepare mixed raw material powder;

b. b, putting the mixed raw material powder prepared in the step a into 41-53 parts of adhesive, and uniformly stirring to obtain uncured mixed slurry;

c. adding 8-10 parts of accelerator and 1-3 parts of curing agent into the uncured mixed slurry prepared in the step b, uniformly stirring, and curing to obtain a finished product;

the above are all parts by weight.

10. The method for preparing the energy-releasing composite preparation according to claim 9, wherein the whole process is carried out at normal temperature and pressure.

Technical Field

The invention relates to a perforating slurry for oilfield exploitation, in particular to an energy-releasing composite preparation and a preparation method thereof.

Background

With the continuous exploitation of oil fields, perforation techniques for oil field exploitation are also continuously developed. The currently adopted explosive slurry for perforation is mostly composite propellant or low detonation velocity explosive and the like, has good perforation effect but extremely high danger, belongs to dangerous explosive, and can endanger life once an accident occurs. Therefore, it is urgently needed to develop a novel perforation product which has strong safety, ensures the perforation depth and the perforation aperture and ensures the mining yield.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an energy-releasing compound preparation and a preparation method thereof.

The energy-releasing compound preparation is prepared by mixing, by weight, 41-53 parts of an adhesive, 40-60 parts of a combustion agent, 5-15 parts of a functional additive, 8-10 parts of an accelerator, 1-3 parts of a curing agent and 5-7 parts of a crack propping agent.

As a further improvement of the invention, the adhesive comprises one or more of epoxy resin, phenolic resin and silicon rubber.

As a further improvement of the invention, the combustion agent comprises one or more of tungsten powder, copper-lead powder, aluminum powder, nickel powder and zirconium powder.

As a further improvement of the invention, the functional additive comprises one or more of titanium powder, bismuth powder, carbon black, graphite, iron oxide and copper oxide.

As a further improvement of the invention, the accelerator comprises one or more of dimethylethanolamine, 2,4, 6-tris (dimethylaminomethyl) phenol, tetramethylethylenediamine and 1-dimethylamino-3-phenoxypropanol in any ratio.

As a further improvement of the invention, the curing agent comprises one or more of 650 low molecular weight polyamide, aliphatic polyamine and alicyclic aromatic polyamine in any combination.

As a further improvement of the invention, the alicyclic aromatic hydrocarbon polyamine is m-phenylenediamine or m-xylylenediamine.

As a further improvement of the invention, the fracture propping agent comprises one of gravel and ceramsite or a combination of the gravel and the ceramsite in any proportion.

A preparation method of an energy-releasing compound preparation comprises the following operation steps:

a. uniformly mixing 40-60 parts of combustion agent with the granularity of 100-200 meshes, 5-15 parts of functional additive and 5-7 parts of crack propping agent to prepare mixed raw material powder;

b. b, putting the mixed raw material powder prepared in the step a into 41-53 parts of adhesive, and uniformly stirring to obtain uncured mixed slurry;

c. adding 8-10 parts of accelerator and 1-3 parts of curing agent into the uncured mixed slurry prepared in the step b, uniformly stirring, and curing to obtain a finished product;

the above are all parts by weight.

As a further improvement of the invention, the whole process is carried out at normal temperature and normal pressure.

The energy-releasing composite preparation prepared by the preparation method can reduce the perforation skin coefficient by 10% by combining the prepared slurry with the perforating bullet, and has the effects of reducing water injection pressure and increasing yield in low-permeability oil and gas reservoirs such as domestic prolongation, Changqing and the like. The average penetration depth of the perforator assembled with the product is 825mm, the average penetration depth of the perforator unassembled with the container is 785mm, and the penetration depth is improved by 5.1%; the aperture is improved by 6.1 percent. The product adopts inert materials, has no danger in production and assembly, is safe and reliable, and belongs to non-explosive products. The obtained product has the technical requirements that the explosion heat test value is more than or equal to 2600kJ/kg, the temperature resistance is 180 ℃/48h, and the product has no rheology and no spontaneous combustion.

Detailed Description