sands used with ceramic proppant
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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: Why crude oil prices continue to fall?
- Shale oil: shale gas horizontal wells and water fracturing technology is widely used, not only shale gas associated shale oil production increases, shale oil production is also rapidly increasing. 2013 U.S. shale oil production reached 3 million 500 thousand barrels / day or more, shale oil and gas revolution led to a substantial increase in domestic oil production capacity. Since 2004, the U.S. domestic oil production increased by 56%, in addition to the normal production of conventional oil fields in the United States, an increase of up to 3 million 100 thousand barrels per day. The use of natural gas as a driving force in the United States began to increase rapidly, is an irreversible structural transformation of energy. U.S. shale oil and gas revolution has a profound impact on the global pattern of oil and gas supply and demand
- Q: How much is a barrel of crude oil? Equivalent to the domestic RMB quotation
- The central parity of RMB exchange rate is the most important reference index for the spot foreign exchange market and the exchange rate.Way of RMB exchange rate against the U.S. dollar is the formation of China: foreign exchange trading center in the daily interbank foreign exchange market before the opening to all the inter-bank foreign exchange market maker inquiry, and all the market maker as a sample calculation of RMB exchange rate against the U.S. dollar, eliminating the highest and lowest quotations, the remaining market maker weighted average and get the RMB exchange rate against the U.S. dollar on the same day, weighted by Chinese foreign exchange trading center according to the volume of transactions in the inter-bank foreign exchange market quotation and quotation index etc..RMB against the euro, yen and dollar exchange rate by the middle Chinese foreign exchange trading center respectively according to the date of the RMB against the U.S. dollar and 9 in the morning when the international foreign exchange market, the euro yen and HK dollar exchange rate determined by the cross
- Q: How heavy is a barrel of oil?
- According to the network announced: the world trade in the proportion of the average crude oil is usually 1 metric tons of =7.35 barrels (a barrel of 42 US gallons) can be calculated in a barrel of 136 kg. Wikipedia introduced: the unit used to measure oil "bucket" as a unit of capacity, specifically for 159 liters.
- Q: What is the meaning of crude oil EIA
- EIA crude oil inventories (excluding the Strategic Petroleum Reserve) data from the U.S. Energy Information Association (EIA) is the U.S. Department of energy's energy information administration released statistics. The data published once a week on Wednesday evening (winter time [10:30] 11:30) published, this data mainly shows the United States when the weekly crude oil inventory number for crude and refined products (gasoline, diesel, asphalt etc.) have great influence. Foreign exchange and precious metals market will have a certain impact, investors need to pay close attention to
- Q: ELA crude oil inventory, what does it mean ah, multi deposit, small deposit on the impact of crude oil
- When crude oil inventories decreased, indicating strong demand for crude oil on the market, leading to rising oil prices, the dollar fell, gold rose.Changes in crude oil inventories actually reflect the attitude of the U.S. government on oil prices. If the strategic crude oil inventories increased significantly, indicating that the U.S. government recognized the oil price, it will increase the strategic inventory of crude oil resources, thereby increasing the supply and demand contradiction led to rising oil prices. Vice versa。
- Q: And what about the main oil change?
- First look at the supply and demand of international oil prices, when the oversupply of oil prices fell, from the supply point of view, the world's major oil producing countries such as russia.
- Q: Spot crude oil investment T+0 what does that mean?
- T on behalf of the meaning of the day, and T+0 means that the day to buy can be sold on the day, you can operate many times.T+0 transactions, that is, can be a number of transactions a day, and that is to buy or sell, without restrictions.Spot crude oil in this transaction model is the biggest benefit of doing more than a single machine, the corresponding profit margins will be great.
- Q: What time will the oil warehouse explosion
- The definition of crude oil explosionAlso known as the explosion refers to wearing a warehouse explosion under some special conditions, investors in the interests of customers deposit account is negative. Great changes have taken place in the market, if the fund investors in the deposit account for the vast majority of trade transactions to deposit occupied and also with the market trend is opposite
- Q: The difference between crude oil and oil
- Oil: natural gas and artificial petroleum and its products are collectively referred to as the oil
- Q: Spot crude oil why buy or you can make money?
- For example, when you are expected to fall in the future, in the current high point to sell the goods you have, and then point to a certain extent to buy, so the difference is your profit
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sands used with ceramic proppant
- 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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