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:How to calculate the deposit of spot crude oil?
- 1 spot crude oil trading is not like the stock, he is margin trading, the margin of each platform is not the same as the provisions of the general margin is only hand * * * * * bid price (selling price) * margin ratio2 for example, the margin is 3% of the proportion of 1:33 leverage, assuming that the current price is $300, do a hand of 100 barrels of margin is:300*1*100*3%=900
- Q:What time will the oil warehouse explosion
- The reason of the explosion of crude oil:The main reason is the explosion 1, heavy positions lead to anti risk ability is poor.2, when crude oil investment direction, once wrong, but cannot make a prompt decision to carry the dead, until the explosion is forced open.3, the technical factors plus the presence of luck and not set stop loss4, frequent access, over trade
- Q:Explanation of crude oil investment terms
- K-line:Also known as the Japanese line, originated in japan. K is a columnar lines composed of lines and the entity. The shadow in the upper part of the entity called shadow, the lower part is under the shadow of. Line two and line entity, also known as the red line (Yang) and black (female) line. A K line record is a day of price changes
- Q:What is EIA crude oil inventory
- U.S. Energy Information Association (EIA) is the U.S. Department of energy under the energy information agency, is an official body, and now the market's traders and the international authority of the energy advisory bodies are using EIA inventory data. The data published once a week, every Wednesday evening when the winter time is 11:30 (DST 10:30) announced that the data will cause certain impact on currencies and precious metals market, investors need to pay close attention to.
- Q:Fried spot crude oil, is the loss of more or earn more?
- In fact, any investment is risky, but income coexists with the risk, investors should do is how to minimize the risk of obtaining the maximum profit, the main problem now should think about how to effectively restore the loss of investor losses than the several pens listed, to facilitate an antidote against the disease
- Q:How many times the crude oil leverage
- Spot crude oil is a margin trading system can deliver crude oil electronic disk financial investment varieties.Spot crude oil leverage is generally 10 times the number of 20 times 33 times 50 times
- Q:Spot oil warehouse explosion is what meaning?
- Spot oil is your warehouse explosion loss is greater than the margin account. By the company after the Ping Ping is the total amount of funds minus the total loss of your losses, usually left part
- Q:What about the impact of the US dollar rate hike on crude oil?
- The impact of the dollar's decline on oil producing countries is to reduce the purchasing power of these countries and push up domestic inflation, relative to the dollar appreciation of the country's demand for crude oil will rise. Another micro observation is that the depreciation of the dollar will greatly increase the demand for gasoline in the United States, because many people who plan to travel to Europe will choose to stay at home. As European countries heavy crude oil tax rate, roughly from European countries cannot benefit much decline in crude oil prices
- Q:Why invest in crude oil?
- Compared to any stock and futures market, the stock market is more stable, more secure, in addition, any area of the stock market are likely to be manipulated, but the crude oil market will not appear this kind of circumstance, the global investment market, as global investment, favorable price, in reality, no one has can control the strength, investors will get a great investment guarantee.
- Q:Domestic exchanges in accordance with the basic price of the United States offer, weekend stop. All I know is that the Dragon Boat festival. I would like to know the domestic exchange eleven will stop in seven days? Have you ever stopped before eleven or May Day holidays? Know the answer, the more detailed the better. Can add
- Noon 14-18 pointMorning market for europe. Funds will increase after the start of trading in Europe, and this period will also be accompanied by some of the impact of the European currency data released.Evening 18-20 pointThe rest of the day for the rest of Europe and the early morning of the American market is relatively light, this is a time when the rest of Europe is on the eve of the beginning of the United states. This period should wait and see.
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resin-coated sand
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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