resin-coated sand

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Product Description:

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.

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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.
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First, the mechanism of different Futures Crude Oil: there is a short mechanism, two-way trading profit, there are profit opportunities in the ups and downs. Instant trading system. The same day can be repeatedly open positions, but the delivery date, due to delivery, otherwise it will be open by force or by delivery of things. At the same time when the margin is insufficient will be forced to open. Spot crude oil: there are short mechanism, two-way trading profit, there are opportunities for profit and loss. Instant trading system. The same day can be repeatedly open positions, no delivery restrictions can be held indefinitely. But when the margin is insufficient will be forced to open.
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But spot crude oil has just entered the country, we have mastered the technical analysis of knowledge, as well as the speed of information acquisition and the area is far less developed countries. And eager for success, opportunism in many of our people are reflected. Cause many people lost money. There is also a major reason for the loss of money is that you frequent transactions in the investment process. Two the teacher asked you to buy what you buy. The muddle headed yourself. Even if it is easy to earn. The result is not enough. You can go to my Baidu personal space album inside to learn some simple spot investment knowledge. If there is anything that you don't understand, you can ask me directly. Then we strictly follow the principle of operation. Do not make big mistakes, do not frequent transactions, we have to do the market, we do not have the market to rest, as long as a few months to seize the opportunity to double your money.
Q:What is crude oil? How produced
Crude oil extraction of oil from the bottom, usually at the wellhead through simple oil-water separation into oil and gas gathering and transportation pipelines, where oil production process did not enter the pipeline leak from oil or oil pipeline in oil and oil production area scattered on the ground (such as criminals from being oil pipeline punctured steal oil caused by the oil spill), usually called "falling oil"
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If you want to operate crude oil short-term trading, you can find an analyst, analysts always tell you the trend of the market, bullish bad all crude oil traders will be active together.I think the real deal between small partners to communicate with each other and analysts look at the trend, interesting.
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New York Mercantile Exchange crude oil futures contract is 500 barrels. CFD transaction is the smallest unit of 0.1 hands is also a barrel of 100.
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Just contact for the investment market in terms of friends, all parameters should be used to simulate the first account of skilled software above, such as open and close operation, how to lock lock, there is a few hands needed to do. General system will fix your last hand. So be sure to do a good job before the real operation of the software platform.
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Suocang is holding more than one and the same number of empty single, such a role is to avoid excessive volatility in the market when the wrong risk, if the market is up more than a single profit
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