resin-coated sand
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It is a kind of solid resin coated moulding sands or core sands by using the high quality natural silica sand as raw sand, thermoplastic phenolic resin, urotropin and enhancer as other materials. It is used in the oil and gas fracturing process to support, prevent flow back and increase the production.
How resin-coated sand comes?
As the proppant's flowing back appears in some oil and gas wells after the fracturing, it will negatively impact on fracturing result and the flowing back proppant will destroy the equipment in the well and above-ground. For this kind of well, we should take effectively control measures to prevent the flowing back and ensure the fracturing result
Feature of resin-coated sand
It has the feature of low density (lower than silica sand), easy-pumping, anti-corrosion and high temperature resistance. Besides, it provides good performance of oil penetrating and water blocking.
That's of great significance to continuous stable and high production of low permeability oilfield exploiting and development in the mid to late. But its crush rate will increase along with the rise of closure pressure.
That will narrow the crack width with the effect of resin elastic deformation, grain crushing and rearrangement. Then it will affect the porosity and permeability of the generated cracks
Raw materials of producing resin coated sand:
Silica sand, resin, assorted curing agent, urotropine, calcium, KH-550, epoxy resin curing agent and O-type toughening agent.
Performance of Resin-coated Sand:
1. Low density. Because of low density, the amount of proppant used in fracturing was decreased in the equal crack size. And it can also reduce the carrying fluid consumption to reduce fracturing cost.
2. Good roundness & sphericity.
3. High crush resistance.
4. Low turbidity.
5. Low acid solubility. After resin coated, the sand acid resistance, alkali resistance and salt resistance are enhanced.
6. Good long-term conductivity. The RCS wraps most of the broken sand crushed under high closure pressure, even if the sand is crushed, the debris and fine powder are wrapped in a resin shell to avoid their migration, providing a good conductivity.
- Q: What is the relationship between the price of gold and the price of crude oil
- Crude oil prices and gold prices indirectly related. Crude oil fell, reflecting the global economy will enter a depression, gold is a safe haven currency, so up. When crude oil rises because of inflation, gold will rise with crude oil.
- Q: Explanation of crude oil investment terms
- Selling price:Current available for sale. (also known as: short, buy down, Jian Kongcang)Spread:The difference between the purchase price and the selling price is called at. The difference is 0.29 yuan per gram.Market order:The market price is traded at current market value. Market price should be traded within the scope of the transaction.Limit order:Customers can build more positions, set a high price, the price to market transactions.Customers can build positions, to set up a low purchase price, market price to clinch a dealOpen:(also known as Jian Cang) to buy or sell a certain number of hands first.Explanation of crude oil investment termsOpen positions:After the opening has been held.Close a position：To buy or sell the same number of hands in a reverse position.Suocang:As more customers to establish two products with different direction of the opening, the system automatically for the lock. Suocang margin only general gross margin of 1/4. When one direction of the transaction is closed, the remaining positions will be returned to normal level.
- Q: What is the meaning of the delisting price of crude oil
- Second, most of the crude oil is the high cost of processing. Generally 7 to 8 points or so back to this. The cost of doing business is quite high, most people are working for the agents, agents have earned you a lot of fee income
- Q: What is the difference between oil and oil
- In New York commodity futures trading market, U.S. crude oil, NYMEX WTI, as an important part of world crude oil pricing system, only for the United States because of its crude oil pricing, with local strong, has now gradually withdraw from the stage of valuation. Of course, these valuation methods are based on spot trading. However, in the futures market, NYMEX WTI is still the largest crude oil futures trading varieties, other crude oil futures prices have a strong guiding role and influence.
- Q: What is the meaning of crude oil super week
- Spot crude oil refers to the super week refers to the first week of the month, the reason is called super week because this week there will be a lot of big market data.Spot crude oil super week data such as: crude oil stocks EIA, small non farm ADP, unemployment, non farm, etc., are the trend of crude oil has a great impact.
- Q: Crude oil seems to affect a lot of things, but it's not always clear what it means
- crude oilMetal, inorganic non-metallic materials and polymer composite materials, known as the three major materials. The world's crude oil chemical synthesis of polymer materials currently produce about 1.45 tons. In addition to synthetic materials, petroleum products also provide organic chemical raw materials in the majority, belonging to the field of chemical industry area, in addition to chemical mineral of chemical products, petroleum products, the production of raw materials, in various departments display skills to the full.
- Q: What is a small non farm, the impact of spot crude oil
- Announced two, non farm small time: non agricultural published monthly, generally two days before the payrolls data (i.e. Wednesday) announced, in particular, daylight saving time, usually in the first Wednesday of every month at 20:15 (winter 21:15) announced a proper role for the payrolls data, the so-called "small non farm".Three, what is the impact on the agricultural non oil price? Simply, when a small non farm data indicates a good, healthy development of the economy of the United States dollars of crude oil of good, bad, or on the contrary.If the small number of non farm payrolls, indicating that the economic development is good, then the positive U.S. dollar index, bad silver, on the contrary, the bad dollar, positive silver. However, there is no special connection between the two short-term, because the number of employment is not only related to the macroeconomic situation. Other areas, such as the rapid development of high-tech industries, may reduce the demand for labor, but it can greatly stimulate economic growth.
- Q: What is the meaning of crude stop loss
- Be sure to set a good stop, according to the market dynamics to make conclusions, positions overnight easy to cause losses. Volatility of crude oil products, speculative opportunities increased investment.Try to avoid overnight positions, the magnitude of change were very impressive, at home in the night.In the market volatility of the largest U.S. disk period, you can refer to the 5 day moving average of spot crude oil and the daily average of 20 to set up a more precise spot crude oil stops, profit margin, to avoid full warehouse operations. Due to the investment of crude oil is 24 hours of continuous, grasp the timing of the transaction, stop stop profit margin settings, follow the market go wrong. Then do when the band should pay attention to caution, profit margin, so the shot when the shot. If unavoidable, decisive in the field, but also to see what happens in the market. Spot crude oil investors can try to put the risk control in the affordable range, to determine a good trend, away from the greed and not willing to buy fear of fear. Spot crude oil investment is a speculative enhancement.
- Q: What is outside the oil?
- The disk is banned in China, regular trading abroad is not to enter the mainland in violation of government decrees under the premise of China, only some small or informal institutions will be through the underground channel, not the normal company looking for some person or agency in the mainland, which some investors to fund a great risk.Is set by domestic legal supervision, and the funds from the Bank of third party custody, the principal is not affected by risk, relatively higher fees outside
- Q: What is the relationship between spot crude oil and spot silver?
- Purchase of silver in order to achieve the value of the assets to protect against inflation risks. Therefore, the increase in demand for silver, the supply is less than demand, it will cause a sharp rise in spot silver prices. On the contrary, silver prices will fall
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resin-coated sand
- Ref Price:
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- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
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- Supply Capability:
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