sands used with ceramic proppant

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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: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:Spot oil warehouse explosion is what meaning?
Spot oil warehouse explosion is what meaning?Spot oil principle that as long as possible use of "leverage" principle of investment in a warehouse explosion. But in generalUnder explosion is not so easy, in fact the reason is nothing more than a few explosion, not heavily loaded on operation.There is no stop in time for the loss of expansion eventually led to the explosion. Investment guru Soros said: the risk is not terrible.Terrible is out of control risk. Kyushu trading platform has a lot of risk control functions, one of which is set stopSurplus function, that is, customers can set their own pre stop price and profit margin, both good control of the windInsurance, but also to ensure revenue. In addition, there is the value of Jiancang function: in accordance with their expectations of future prices in advanceWarehouse press, and can also set stop loss, etc..
Q:What is the correlation between crude oil prices
Dollar and crude oil prices are negatively correlated. The U.S. economy has long been dependent on crude oil and the two pillars of the dollar. The United States relies on the currency of the dollar and the monopoly of the dollar in the international settlement Market
Q:What is EIA crude oil inventory
In general, the trend of crude oil prices and the dollar index trend, the same trend with precious metals.When crude oil inventories increased, indicating that excess supply of crude oil on the market, resulting in oil prices fell, the dollar rose, gold fell.When crude oil inventories decreased, indicating strong demand for crude oil on the market, leading to rising oil prices, the dollar fell, gold rose.
Q:International crude oil price of $* per barrel, a barrel weight or volume?
A barrel of crude oil =0.1576 liters (cubic meter)A ton of =7.3 barrelsOne kilogram =0.3055 gallons (US) 0.2545 gallons (UK),So a barrel of international crude oil =136.986 kg, the general market to 137 kg prevail
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 recent international crude oil price
The size and density of oil conversion coefficient related, and reciprocal relations, such as: Daqing crude oil density of 0.8602, winning 101 crude oil density is 0.9082, respectively: Daqing crude oil of Shengli crude oil conversion coefficient =6.29/0.8602=7.31, conversion coefficient =6.29/0.9082= 6.93 of world average proportion of crude oil usually to 1 metric tons of =7.35 barrels (a barrel for 42 US gallons) or 1174 litres of oil products is the same calculation method. If the density of some kind of gasoline is 0.739, the result of calculation is: 1 tons of gasoline is equal to 8.51 barrels; the density of some kind of diesel oil is about 0.86, and the result is equal to 1 barrels of diesel oil, which is equal to 7.31 barrels. And so on, barrels and tons are the two common units of crude oil.
Q:How to look at the spot crude oil support and resistance
The upper and lower middle rails of the Bollinger belt, the upper rail as the resistance, and the lower rail as the support. If the price is between the upper and middle rail, then the track is the support, if the price is running between the middle and lower rail, then the track that is resistance.
Q:Spot crude oil several opening
Spot crude oil trading time is divided into specific points, the first trading day of the week opened Monday is 8 points, closing on Saturday at 4 a.m..
Q:What is crude oil? How produced
There is a certain amount of oil that cannot be recovered after the blowout and discharge. But now it is not used in this way. In addition, there are always some equipment in the oil, such as oil from the pump rod tubing, downhole oil flow to the wellhead equipment of pump, the equipment removed from underground when there are some oil will be scattered on the ground. Oil pipelines and oil wells wellhead equipment if run, run, drip, leak, there are some oil spills to the ground. Some criminals to steal oil, will control the flow of oil from the wellhead valve open or gathering pipeline punctured in the oil, will form a large number of crude oil. It is estimated that China's annual oil due to various reasons, about 100 thousand tons of oil, direct economic losses amounting to tens of millions of dollars.

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