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: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:EIA how to make a single spot crude oil
- Crude oil inventory data show that the United States when the number of crude oil inventories for the asphalt and crude oil products (fuel, diesel, etc.) have a greater impact. Oil market, foreign exchange market and precious metals market will have a certain impact. Due to the impact of supply and demand, crude oil inventory data will have a greater impact on crude oil prices! In simple terms, inventory increases, supply is greater than demand, then the price will be reduced. Similarly, the stock has been reduced, then for less than demand, the price will rise!
- Q:How to calculate the deposit of spot crude oil?
- Two, what is the depositThe occupancy of the deposit, the calculation method is: the number of positions of the * * * * * * * margin.Three, what is frozen marginLimit the price of the bond is not traded, the calculation method is: limit the number of commissioned * * * * margin.Four, what is available marginCan be used for the trading of the current margin, intraday gold, deduct fees, floating profit and loss will lead to changes in the available margin.
- Q:Crude oil investment fly it?
- As China's financial system is relatively closed, this type of investment until the beginning of this century, with the gradual relaxation of domestic financial regulation, these investments are slowly under the permission of Guo Jia gradually rise. In addition to spot crude oil, as well as paper crude oil and crude oil futures listed on the original investment products, can be said to be flourishing.
- 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:U.S. crude oil reserves to increase crude oil is good or bad
- Increase in crude oil stocks on the stock to reduce excess oil. Inflation and deflation are a reason
- Q:Trading mechanism of crude oil investment
- 2, T+0 trading system. The most flexible trading system, instant trading.T+0 advantage is to buy and sell the same day, the day can be several transactions and positions.Investors should be based on market trends, the use of scientific guidance T+0.
- Q:Why international crude oil to use barrels as a unit?
- 1 conversion between volume and weightThe conversion between the volume and the weight of the unit must be introduced into the density of P. crude oil and the density of the finished oil Pt expressed at a certain temperature state, the volume of oil per cubic meter is p tons:Volume of one ton of oil =1/p cubic metersA ton of oil equivalent barrels =1/p * 6.29 barrels (oil)
- Q:What are some of the crude oil platforms that can jump at high prices? Just opened a lot of high jump, other platforms are not, this normal?
- For most people it's a comfortJudging from the current technology, the market has entered a relatively stable period, is unlikely to change radically again in the short term, the stock oversold in most cases, relatively Qingcang is a more rational choice. The risk of catching up is still high. However, in the medium and long term, the choice of departure from the bureau is the best policy.
- Q:What is the difference between spot and spot silver? Is crude oil better than silver
- At present, most of the domestic spot market is a market maker trading model, also known as decentralized counter transactions.The most typical example is the gold, gold Daily reported a selling price of gold, and offer a collection of gold prices, gold price in accordance with the instant transaction, but the transaction is full.
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sands used with ceramic proppant
- 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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