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:U.S. crude oil has a limit price, how much limit
No limit price.New York futures exchange light crude oil: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
Q:What is the difference between foreign exchange and crude oil?
The difference between foreign exchange and crude oil:1 different fundsForeign exchange margin trading funds are to be remitted to foreign funds by brokers, funds can be managed by the broker.Crude oil trading is funded by the domestic third party custodian bank, the funds are relatively safe.2 different pricesFluctuations in the price of foreign exchange every day, crude oil prices fluctuate.3 different varietiesForeign exchange is not conducive to the analysis of a variety of types of crude oil.4 different volumeThe daily volume of foreign exchange market is larger than that of crude oil.
Q:Dollar index of crude oil (commodities)
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:What is the recent international crude oil price
OPEC and the United States and Britain and other western countries crude oil unit is usually expressed in barrels, China and Russia and other countries are commonly used as a unit of crude oil quantities of tons. The conversion relationship between tons and barrels is: 1 tons is equivalent to about 7 barrels, if the oil is lighter (dilute), then the equivalent of about 7.2 tons or 7.3 barrels per barrel. Europe and the United States and other countries of the gas station, usually do with gallon units, China's gas stations are used to raise the valuation. 1 barrels = 158.98 liters =42 gallon. L U. S. gallon =3.785 liters, 1 imperial gallons = 4.546 liters. If the volume is converted to weight, and the density of crude oil. Assuming a crude oil density of 0.99 kg / L, then the weight of a barrel of crude oil is 158.98x0.99=157.3902 kg.
Q:What are the WTI and Brent in crude oil?
The full name of WTI West Texas Intermediate (WTI), Chinese translation is WTI, as everyone knows Texas is the oil producing states, NYMEX launched crude oil futures contract is to produce goods in refinery West Texas samples for contract transactions, because the United States is the largest oil consuming country the United States, West Texas Intermediate (WTI) crude oil spot contract by many investors as the benchmark price of crude oil price changes in the international energy market
Q:What is the impact of unemployment on the crude oil?
For example, unemployment is similar to China's "minimum", under normal circumstances, if the increase in the number of unemployed people, then the U.S. economic downturn in the dollar fell, then the rise in crude oil. On the contrary, the number of unemployed, the dollar rose, crude oil fell.
Q:U.S. crude oil futures operating skills
5 must be profitable only under the premise of overnight. Overnight must set up a guaranteed stop loss or profit stop.6 prohibit emotional trading and irrational orders. Stop when the continuous loss to wait and see, summary, reflection, a good investment mentality is a prerequisite for stable returns.7 when there is a certain amount of income, it is recommended not to operate, to set their own goals every day. Make the pocket for security, prevent blindly to make money just to earn and spit back!
Q:Spot oil warehouse explosion is what meaning?
Spot oil is your warehouse explosion loss is greater than the margin account. By the company after the Ping Ping is the total amount of funds minus the total loss of your losses, usually left part
Q:What is the difference between spot crude oil and futures?
What is the difference between spot crude oil and futures?A new method for the trading of futures contracts in futures exchanges. T+0 trading system can be repeated every day to do more handsWhat is the difference between spot crude oil and futures?Spot transaction refers to the commodity trade between the buyer and the seller. According to the different delivery time, can be divided into
Q:Crude oil price fluctuation cycle and characteristics?
(two) the law analysis of the economic cycle and the adjustment of crude oil priceWe can divide the development of global economy since 1983 has been divided into five economic cycles, including four complete cycles: 1983 - 1988, 1989 - 1996, about 1997 to 1999, about 2000 to 2007 or so. In each cycle, the global economy began to fall from the peak of the previous cycle, and then gradually recovered after bottoming, from recession to prosperity. At present, the global economy is in fifth cycles.Can be seen from Figure 5, the first complete cycle, changes in crude oil prices and the economic cycle has a significant correlation between the recovery and growth of each round of economy have led to a rise in the price of oil, and every round of economic recession has led to a drop in oil prices. In the current economic cycle, this relationship is more obvious: the U.S. subprime mortgage crisis triggered by the global financial crisis, leading to the global economic recession, into a downward cycle, crude oil prices also fell sharply, the New York Mercantile Exchange, Brent crude oil spot price by the end of 2007 of $93.9, fell to 2008 barrels at the end of the 41.8 U.S. dollars / barrel, a drop of 55.5%.

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