Propping agent for resin coating film and preparation method thereof

A technology of resin coating and proppant, which is applied in the direction of earthwork drilling, mining fluid, wellbore/well components, etc., can solve the problems of high cost, high construction risk, high density, etc., and achieve improved anti-breaking ability and improved separation Effect, the effect of simple preparation process

Inactive Publication Date: 2013-01-30
YIXING TENGFEI OIL FRACTARING PROPPANT
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AI-Extracted Technical Summary

Problems solved by technology

Ceramsite is mainly used in medium and deep well fracturing technology. Although ceramsite solves the problem of low strength of quartz san...
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Abstract

The invention discloses a propping agent for a resin coating film and a preparation method thereof. The propping agent comprises an aggregate, a resin, a curing agent and a dispersing agent, wherein the dosage of the resin is 1%-10% of the weight of the aggregate; the dosage of the curing agent is 0.5%-5% of the weight of the aggregate; and the dosage of the dispersing agent is 0.2%-2% of the weight of the aggregate. The propping agent for the resin coating film provided by the invention has the functions of allowing oil gas to smoothly penetrate and preventing water from penetrating through the propping agent, so that the separating effect of oil gas and water is enhanced by the functions and the oil extraction cost is lowered; due to the excellent hydrophobic property of the resin film, the propping agent has excellent water resistance, the anti-breaking capability of the propping agent is increased and the long-term flow-guiding effect is good; a triple film coating technology is adopted by the invention and the calcium stearate is taken as a dispersing agent, so that the quality is greatly increased, the yield is increased to above 80%, the cost is greatly lowered and the production efficiency is increased; and the preparation method provided by the invention is simple, the product yield is high and the breakage rate of the product is obviously reduced.

Application Domain

Fluid removal

Technology Topic

Film coatingFilm-coated tablet +6

Examples

  • Experimental program(3)
  • Comparison scheme(1)

Example Embodiment

[0028] Example 1
[0029] Raw materials: ceramsite 1000kg, phenolic resin 60kg, urotropine 30kg and calcium stearate 12kg;
[0030] Ceramsite: the particle size range is 0.3-0.8mm;
[0031] Phenolic resin: Model PF-8012 of phenolic resin, manufacturer: Shandong Shengquan or Jiangsu Sanmu Company
[0032] Prepare using the following steps:
[0033] (1) Heat the ceramsite to 200°C, add 20 kg of phenolic resin and stir for 60 seconds, then add 10 kg of urotropine and stir for 200 seconds, and then add 4 kg of calcium stearate and stir for 200 seconds;
[0034] (2) Add 20 kg of phenolic resin and stir for 60 seconds, then add 10 kg of urotropine and stir for 200 seconds, and then add 4 kg of calcium stearate and stir for 200 seconds;
[0035] (3) Add 20 kg of phenolic resin and stir for 60 seconds, then add 10 kg of urotropine and stir for 200 seconds, and then add 4 kg of calcium stearate and stir for 200 seconds; finally cool to 80 °C and discharge, cool and sieve , The qualified rate of inspection finished products reaches 83%.

Example Embodiment

[0036] Example 2
[0037] Raw materials: ceramsite 1000kg, phenolic resin 30kg, urotropine 15kg and calcium stearate 9kg;
[0038] Ceramsite: the particle size range is 0.3-0.8mm;
[0039] Phenolic resin: PF-8012 of phenolic resin, manufacturer: Shandong Shengquan or Jiangsu Sanmu Company
[0040] Prepare using the following steps:
[0041] (1) Heat the ceramsite to 200°C, add 10 kg of phenolic resin and stir for 60 seconds, then add 5 kg of urotropine and stir for 200 seconds, and then add 3 kg of calcium stearate and stir for 200 seconds;
[0042] (2) Add 10 kg of phenolic resin and stir for 60 seconds, then add 5 kg of urotropine and stir for 200 seconds, and then add 3 kg of calcium stearate and stir for 200 seconds;
[0043] (3) Add 10 kg of phenolic resin and stir for 60 seconds, then add 5 kg of urotropine and stir for 200 seconds, and then add 3 kg of calcium stearate and stir for 200 seconds; finally cool to 80 °C and discharge, cool and sieve , The qualified rate of inspection finished products reaches 81%.

Example Embodiment

[0044] Example 3
[0045] Raw materials: ceramsite 1000kg, phenolic resin 90kg, urotropine 45kg and calcium stearate 18kg;
[0046] Ceramsite: the particle size range is 0.3-0.8mm;
[0047] Phenolic resin: Model PF-8012 of phenolic resin, production: Shangdong Shengquan or Jiangsu Sanmu Company
[0048] Prepare using the following steps:
[0049] (1) Heat the ceramsite to 200℃, add 30kg of phenolic resin and stir for 60 seconds, then add 15kg of urotropine and stir for 200 seconds, then add 6kg of calcium stearate and stir for 200 seconds;
[0050] (2) Add 30 kg of phenolic resin and stir for 60 seconds, then add 15 kg of urotropine and stir for 200 seconds, and then add 6 kg of calcium stearate and stir for 200 seconds;
[0051] (3) Add 30 kg of phenolic resin and stir for 60 seconds, then add 15 kg of urotropine and stir for 200 seconds, and then add 6 kg of calcium stearate and stir for 200 seconds; finally cool down to 80 ℃ and discharge, cool and sieve , The qualified rate of inspection finished products reaches 85%.
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PUM

PropertyMeasurementUnit
Particle size0.3 ~ 0.8mm
tensileMPa
Particle sizePa
strength10

Description & Claims & Application Information

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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
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