Expansive Oil Well Cement with High Strength Low Filtration Anti-Pollution

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China main port
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TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

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.

Expansive Oil Well Cement with High Strength Low Filtration Anti-Pollution

 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.


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Formula: (1) comprehensive energy per unit of product yield comprehensive energy consumption per unit of product yield consumption = production of comprehensive energy consumption of the product (equivalent) / qualified product yield (2) yield of single unit product energy consumption per unit of product yield of single energy consumption = production of the product consumption of a variety of energy the number of qualified products yield (3) than the unit energy consumption of products according to the standard procedure to calculate the energy consumption than the unit energy consumption = comprehensive energy consumption according to the standard calculation of the amount of qualified production process / product yield can be calculated according to the standard energy consumption than single bit = yield statistics method of comprehensive energy consumption volume / year range: standard products report on the production of major products for the annual energy consumption of 5000 tons of standard coal and above the legal unit. The index of the sub item is the production of a product of a number of varieties of the total energy consumption of energy, not including production has nothing to do with the amount of energy for the purpose of life, nor does it include internal recycling energy and enterprise basic construction unit consumption using waste heat and gas; mother is qualified, have procedures for storage products production.
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New energy science and Engineering covers a wide range of industries, the national "energy development plan" in 12th Five-Year to increase the proportion of non fossil energy sources, the development of renewable energy, the social demand for talent in this area will inevitably increase. Graduates in the construction, transportation, energy, materials, electronics, environmental protection and other industries engaged in solar, wind, biomass, geothermal energy and other new energy and renewable energy products R & D and production, engineering design and construction, as well as teaching, scientific research and management work.
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Equivalent value is a measure of the energy of the unit itself
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