Low-temperature delayed-curing sand-control proppant, preparation method of proppant as well as low-temperature delayed-curing sand-control system
A proppant and curing agent technology, applied in chemical instruments and methods, mining fluids, earthwork drilling, etc., can solve problems such as poor temperature resistance and inability to cure, and achieve stable quality, convenient operation, and improved compression resistance. the effect of strength
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0038] Example 1
[0039] The low-temperature time-delay curing sand control proppant of this embodiment is proppant particles. The proppant particles include quartz sand and a composite resin layer coated on the surface of the quartz sand. The composite resin layer includes an inner resin layer and an outer resin layer. The inner resin layer is a novolak resin layer formed of novolak resin; the outer resin layer is a mixed resin layer, and the mixed resin layer is composed of the following components by weight: 2.0 parts of mixed resin, resin cured 0.01 part of the silane coupling agent, 0.01 part of the silane coupling agent, and 0.05 part of the dispersant; wherein the mixed resin is a mixture of novolak resin and epoxy resin in a mass ratio of 70:30; the quartz sand, resin inner layer and resin The mass ratio of the mixed resin of the outer layer is 100:2.0:2.0. The particle size of the proppant particles is 40-70 mesh (212-425 μm).
[0040] Wherein, the novolak resin is a bo...
Example Embodiment
[0042] Example 2
[0043] The low-temperature delayed-curing sand control proppant of this embodiment is composed of proppant particles and polyester fibers, and the mass ratio of the polyester fibers to the proppant particles is 1:100; the polyester fibers are crude polyester fibers, The average diameter is 1.2mm and the average length is 8mm.
[0044] The proppant particles are the proppant particles described in Example 1.
[0045] The preparation method of the low-temperature delayed-curing sand control proppant of this embodiment is: placing 10 kg of quartz sand with a particle size of 212-425 μm in a sand mixer, heating to 100°C, and adding 200 g of novolak resin under stirring conditions. Continue stirring for 60s for one coating; then continue stirring and add 200g of mixed resin, 1g of resin curing agent, 1g of silane coupling agent, continue stirring for 80s, add 5g of dispersant, continue stirring for 30s for secondary coating, discharge and cool , Sieving to obtain prop...
Example Embodiment
[0046] Example 3
[0047] The low temperature time delay curing sand control system of this embodiment is composed of a curing liquid and the low temperature time delay curing sand control proppant of Example 2, and the volume ratio of the curing liquid to the low temperature time delay curing sand control proppant is 5:100; The curing liquid is a sand control curing agent solution with a mass concentration of 10%; in the sand control curing agent solution, the sand control curing agent is an imidazole curing agent (2-methylimidazole); the sand control curing agent solution also contains a surfactant , The surfactant is glycerol triacetate, and the amount of surfactant added is: 1 ml of surfactant is added for every 3 g of sand control curing agent; the solvent used in the sand control curing agent solution is a mixture of water and ethanol , The amount of ethanol is: 10ml ethanol is added for every 3g of sand control curing agent.
[0048] The preparation method of the sand contr...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap