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 meaning of short spot crude oil
- Short is a term that is simply a list of falling prices. Short is the crude oil in the course of an operation mode of operation, that is, when the market is expected to decline in the future, will be sold in the hands of crude oil at current prices, such as the market after the fall to buy, get the profit margin. Spot crude two-way trading. Is expected to rise, do more; is expected to fall short, two-way can make money! Two means to do more than two short direction, is expected to rise, then buy cheap, sell at high prices, is expected to fall, then sell at high prices, buy cheap positions. Whether it is a bull market or bear market, investors have the opportunity to profit. The advantage of two-way trading is that the trading mechanism is flexible, the direction of judgment is reversed, you can immediately open positions in order to correct the direction, in order to avoid losses while winning gains. Hope useful to you!
- Q:What is the relationship between non-agricultural and crude oil
- First of all, we must understand what non-agricultural. As the name suggests, non-agricultural refers to the number of non-agricultural employment population, and as the world's largest economic power, we refer to non farm payrolls are usually the United states. As a non agricultural employment population, including non-agricultural manufacturing and service employment, but also reflects the development level of the country's current economic side, because the manufacturing industry and service industry as the second and the third industry, the employment population directly reflects the consumption level of the country.
- Q:What about the impact of the US dollar rate hike on crude oil?
- Generally speaking, the depreciation of the dollar will lead to the rise in crude oil prices from three aspects:First, the decline in the value of the dollar will make crude oil producing countries or exporting countries purchasing power decline. The crude oil is priced in dollars, selling crude oil producing countries to obtain dollars dollars into other countries, with the money to buy the world other countries of goods, due to the depreciation of the dollar, China's crude oil production decline in purchasing power, from this point of view, to make up for the production in the purchasing power of damaged price demand;The two is the depreciation of the dollar would make some oil buying countries such as Europe and Japan because of the rising purchasing power of the euro, the yen denominated crude oil prices become relatively cheap; and the devaluation of the dollar on the crude oil and the dollar exchange rate is bound to the United States and other countries purchasing power has no influence to the global market from the point of view, the depreciation of the dollar, will to boost the global crude oil demand;The three is the depreciation of the dollar itself is a good global economy, especially in the past 10 years, the rapid development of emerging markets, the demand for crude oil in a strong state, the necessity of rising crude oil prices.
- Q:NYSE crude oil futures have no limits on the day up or down
- Generally speaking, the crude oil futures contract has good fluidity and high price transparency is one of the three benchmark price of world crude oil market, the public and the media usually talked about oil prices exceeded the number of dollars, mainly refers to the price.
- Q:According to economic common sense, the dollar is negatively correlated with the commodity. Crude oil (commodities) are now priced in dollars, the dollar fell, the natural rise in commodities. In the first half of this year, a substantial rebound in commodity prices, and the sharp decline in the dollar close relationship. Now the question is, should the economy of the United States be stronger, should goods rise or fall? (the U.S. economy is stronger, the dollar should be strong)
- The dollar index is the cause of crude oil price fluctuations, which means that in time order, the dollar index is a leading indicator of crude oil prices.
- Q:International crude oil price of $* per barrel, a barrel weight or volume?
- International crude oil price is USD / barrel, a barrel is approximately equal to 159 liters, 158 kg
- Q:What is the difference between crude oil and gold?
- Changes in crude oil prices directly affect the operation of the oil exporting countries to gold, which led to fluctuations in the price of gold. Oil producing countries, such as Saudi Arabia, Qatar, the United Arab Emirates, Kuwait, Iran and other places are mostly concentrated in the Gulf region, mostly Arabia countries, holding huge amounts of crude oil. When the international gold price fluctuations, they often have the same direction to the operation of the oil dollar.In order to transfer the risk of crude oil exporting countries often put oil dollars a huge part of the investment on the international financial market, and gold as a good tool to avoid risks, investment, natural in the crude oil selection in abroad.The price of crude oil rose period, held by the producers of crude oil dollar rapid expansion, so these countries will increase the proportion of gold in its international reserves correspondingly, increased demand for gold in the international gold market, thus promoting the rise in the price of gold.
- 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.
- Q:WTI what is the difference between crude oil and CONC crude oil? Which standard
- Because of the strength of the United States super oil buyers, coupled with the impact of the New York stock exchange itself, to WTI as the benchmark crude oil futures trading, commodity prices in the global commodity futures became the leader. Generally speaking, the crude oil futures contract has good fluidity and high price transparency is one of the three benchmark price of world crude oil market, the public and the media usually talked about oil prices exceeded the number of dollars, mainly refers to the price.
- Q:Spot crude oil is generally the most prevailing in a day?
- Spot trading times should wait time: 24 points to the morning for the U.S. disc afternoon, generally at this time has been out of the larger market, this time for technical adjustments to the front of the market, so in the day of the spot trading times, belong to should wait time.Spot crude oil trading market is large time periods: at noon 14-18 points for the European morning market, this period will be released along with some influence on European monetary data; at 20 --24 for the European market and American market in the morning afternoon, this time is for fluctuations in the largest, is the capital of the amount and the maximum number of participants in the session, the best time of the transaction is also spot crude oil trading in time, so investors can enjoy the fun of investment work by night.
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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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