Petroleum fracturing propping agent as well as preparation method and application thereof

A fracturing proppant and petroleum technology, applied in chemical instruments and methods, earthwork drilling, wellbore/well components, etc., can solve the problem of insufficient compressive strength of quartz sand proppant and preparation cost of bauxite ceramsite proppant Advanced problems, to achieve the effect of reducing energy consumption, good sintering strength, and extending service life

Active Publication Date: 2021-03-02
新疆中非夏子街膨润土有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a petroleum fracturing proppant and its preparation method and application, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the problem of bauxite pottery The preparation cost of granular proppant is high, the compressive strength of quartz sand proppant is insufficient, and there is no problem of petroleum fracturing proppant in the prior art

Method used

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  • Petroleum fracturing propping agent as well as preparation method and application thereof

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Effect test

Embodiment 1

[0029] Embodiment 1: The petroleum fracturing proppant, the raw materials are in parts by weight, including 65 to 70 parts of diabase, 10 to 12 parts of temperature regulator, 18 to 20 parts of viscosity regulator and 3 parts of auxiliary materials To 5 parts, obtain according to the following steps:

[0030] (1) Put the required amount of diabase with a particle size of less than 50mm, temperature regulator, viscosity regulator and auxiliary materials in the silo, and then send it to the vertical mill for processing to 400 mesh powder, and then turn it into a ball machine;

[0031] (2) Control the speed of the ball forming machine from 30rpm to 50rpm, add water with a weight of 12% to 15% of the total weight of the powder into the ball forming machine, keep the speed constant, and form a spherical material after running for 25min to 40min;

[0032] (3) Control the drying temperature at 80°C to 350°C, the drying time is 60min to 100min, and the spherical material is dried unt...

Embodiment 2

[0034] Embodiment 2: The petroleum fracturing proppant, the raw material includes 65 parts or 70 parts of diabase, 10 parts or 12 parts of temperature regulator, 18 parts or 20 parts of viscosity regulator and 3 parts of auxiliary materials in parts by weight. Or 5 parts, according to the following steps to get:

[0035] (1) Put the required amount of diabase with a particle size of less than 50mm, temperature regulator, viscosity regulator and auxiliary materials in the silo, and then send it to the vertical mill for processing to 400 mesh powder, and then turn it into a ball machine;

[0036] (2) Control the speed of the ball forming machine to 30rpm or 50rpm, add water with a weight of 12% or 15% of the total weight of the powder into the ball forming machine, keep the speed constant, and run for 25min or 40min to form spherical materials;

[0037] (3) Control the drying temperature at 80°C or 350°C, and the drying time at 60min or 100min. Dry the sphere material until the...

Embodiment 3

[0041] Example 3: As an optimization of the above example, the diabase components include silicon dioxide, aluminum oxide and iron oxide. The proportion of diabase in the present invention is 65% to 70%. It mainly utilizes its acid resistance, and it has a certain viscosity when processed to 400 mesh, and its bulk density is 2.9g / cm 3 to 3.0g / cm 3 , can be used to adjust the density of the present invention. Diabase has the characteristics of lower sintering temperature than bauxite and better sintering strength.

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Abstract

The invention relates to the technical field of petroleum fracturing exploitation, in particular to a petroleum fracturing propping agent and a preparation method and application thereof. The petroleum fracturing propping agent comprises diabase, a temperature regulator, a viscosity regulator and an auxiliary material. The preparation method comprises the following steps: firstly, adding the diabase, the temperature regulator, the viscosity regulator and the auxiliary material to prepare powder; then adding water to prepare a spherical material; carrying out drying and screening to obtain ballblank particles; and finally, carrying out sintering under the condition that a temperature is controlled. The characteristics that diabase is lower than bauxite in sintering temperature and good insintering strength are fully utilized, and the sintering temperature of the obtained petroleum fracturing propping agent ranges from 1000 DEG C to 1250 DEG C and is lower than the sintering temperature of a ceramsite propping agent obtained through a conventional bauxite ceramsite technology, so energy consumption can be reduced; and the yield of an oil well fractured through the obtained petroleum fracturing propping agent can be increased by 30% to 50%, and the service life of an oil-gas well can be prolonged.

Description

technical field [0001] The invention relates to the technical field of petroleum fracturing and exploitation, and relates to a petroleum fracturing proppant and a preparation method and application thereof. Background technique [0002] Currently commonly used proppants mainly include quartz sand, bauxite ceramsite sand and resin-coated composite particles. Quartz sand is widely used due to its low cost and low density, which is easy to pump. However, its low strength and poor sphericity reduce the conductivity of fractures, so it is not suitable for deep wells with high closure pressure. Resin-coated quartz sand composite particles have improved sphericity, relatively strong corrosion resistance, and good flow conductivity, but the product has a short shelf life and high cost. It is not easy to promote in today's cost-oriented world. Bauxite is used The ceramsite proppant of ceramsite technology has high density, good sphericity, corrosion resistance, high temperature resi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/80E21B43/267
CPCC09K8/80E21B43/267Y02P40/60
Inventor 刘新刚冯晓菊
Owner 新疆中非夏子街膨润土有限责任公司
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