Expansive Oil Well Cement with High Strength Low Filtration Anti-Pollution
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 10000 m.t./month
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Expansive oil well cement:
Volume contraction occurring during oil well cement hydration serves as the main reason that leads to poor bond of cement sheath interface, fluid (oil, gas or water) channeling in well and oil reservoir contamination. Under high temperature and pressure, the contracted volume in cement setting is 2.6-5.0% of total volume of cement slurry; while over 95% contracted volume is generated after final set. In plastic state, volume contraction of cement slurry will decrease pore pressure in cement slurry column (weight loss out of gelation) and lead to oil, gas or water invasion. After cement setting, volume contraction will cause trouble in cement bond between the cement sheath and stratum and casing and lead to a micro gap. This will affect cementing quality and cause great loss of oil and gas resources.
For the cementing quality problems caused by high contraction of oil well cement, our company developed expansive cement with many good properties, e.g. high strength, low filtration, anti-pollution, high temperature resistant and low free fluid.
Main parameters:
Items | Indicators |
Slurry density, g/cm3 | 1.9 |
Free fluid, % | ≤3 |
Fluidity, mm | ≥220 |
Initial consistency, BC | ≤30 |
Thickening time, min | 90-260 (adjustable) |
Compressive strength (60℃, at normal pressure, 24h) | ≥14 |
Packing and Storage
Packing: 1000kg/bag, 50kg/bag
Storage: Cement in transportation and storage when not damp and mixed with debris, different varieties and the strength grade of cement during storage to avoid confounding.
- Q:What are the new energy sources?
- Microbial fermentation: many countries rich in sugar cane, sugar beet, cassava and other world, the use of microbial fermentation, can be made into alcohol, alcohol has complete combustion, high efficiency, no pollution, can be obtained by the "ethanol gasoline" diluted gasoline and alcohol rich raw materials, low cost. According to reports, Brazil has modified ethanol gasoline or alcohol fueled cars up to hundreds of thousands of vehicles, reducing the air pollution. In addition, the use of microorganisms to produce hydrogen, in order to open up new ways of energy.
- Q:What is a one-time energy
- Primary energy, also known as natural energy, refers to the use of natural resources that have not been changed or changed. Such as coal, crude oil, natural gas, water, wind energy, solar energy, ocean energy, tidal energy, geothermal energy, natural uranium, etc.. Primary energy is divided into renewable energy and non renewable energy, the former refers to the repeated generation of natural energy, the latter with a little less, mainly all kinds of fossil fuels, nuclear fuel.
- Q:I would like to ask you, China's electronic products have the use of energy classification, if so, what is the specific classification?
- Level 2 means comparison;Level 3 indicates that the energy efficiency of the product is the average level of the Chinese market;
- Q:At present, what are the main types of new energy vehicles?
- What types of new energy vehicles?New energy vehicles, including fuel cell electric vehicle (FCEV), hybrid cars, hydrogen powered cars, pure electric vehicles (BEV, including solar cars) and other new energy (such as high energy storage, two cars of various types of products of ether).
- Q:What are the needs and pain points of new energy vehicles in insurance products and related services
- Now, pure electric vehicles maintenance is almost detection agencies appearance, interior decoration, lighting etc are damaged, and the battery only through the computer to detect whether there is no fault, about two years before they need to replace the single gear oil, the cost of maintenance is very low. But now the 4S shop is no electric car repair service, pure electric car repair need electrician certificate, battery replacement requires special equipment, and each car is not universal, so that consumers can not be guaranteed to ensure follow-up.
- Q:The rapid rise in the prices of petrochemical products and energy, which may have a greater impact on the following sectors of earnings?The rapid rise in the prices of petrochemical products and energy, which may have a greater impact on the following sectors of earnings?A. medical instruments and equipment manufacturingB. proprietary Chinese medicine manufacturingC. Chinese herbal medicine processingD. chemical pharmaceutical manufacturing
- Medical instruments and equipment is a precision instrument, general materials used in durable metal
- Q:What are the contents of bio energy
- Many types of biomass specific plants, the main and we often see the wood, crop (straw, rice straw, wheat straw, cotton stalk, bean stalk, rice husk, weed and algae etc.). Among the non plant species, there are mainly animal manure, animal carcasses, organic components in wastewater and organic components in waste.
- Q:What is the C type of the product type in the notebook computer?
- A class of products such as high priced cars, real estate, etc. must have a certain psychological cognitive process,
- Q:Total energy consumption and total energy production
- Any of the two secondary energy products produced by the conversion of various energy sources (including other non - energy products and associated products)
- Q:What is the cost effectiveness ratio of energy management in energy quality?
- I guess what you are saying is the "efficiency" in the international energy standard
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Expansive Oil Well Cement with High Strength Low Filtration Anti-Pollution
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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