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Polytamp-2 grade А

Name
Polytamp-2 grade А
Product description

Polytamp-2 grade A is an orthosilicic acid polyesters (varying polymerization degrees) mixture with special additives. The grouting material is capable to tamp, under various conditions in accordance with the technical specifications for each individual well, without the addition of other components, including water, while it is capable to form a homogeneous (by liquid) system with water.

Polytamp-2 grade A is designed for water inflow elimination and gas and oil recovery increasing during squeeze job in gas and oil wells with a temperature of formations +10°C - +300°C.

Based on the technical specifications, the material is produced with deliberately agreed characteristics (individually for each well).

Our products

Silicone organic grouting material for water inflow elimination and gas and oil recovery increasing during squeeze jobs in gas and oil wells (in formations with a temperature of + 10°C - +300°C).
Fields of application

Polytamp-2 grade A limits the fluid inflow only from the water-saturated part of the seam, and preserves the permeability of oil-saturated areas.

Insulation work during the repair of wells:

  • Elimination of the bottom water inflow.
  • Elimination of the interlaying flooding.
  • Elimination of behind-the-casing overflows in producing and injection wells.
  • Disconnection of the seams during the transition to the higher or lower horizons.
  • Production columns leaks elimination (preventing crater formation and eliminating).
  • Restriction of water inflow after hydraulic fracturing in oil wells.
  • Straightening the injectivity profile in injection wells.
  • Stimulation of oil, gas and gas condensate production in wells with watered products.
Benefits
  • Selective action on flooded formation.
  • The simplicity of the process, the working solution preparation, high prefabrication degree of Polytamp materials, application of standard equipment during the squeeze job.
  • A wide range of water inflows elimination types.
  • Applicability in a wide range of seam temperatures (up to +300°C), the ability to use in regions with low ambient temperatures up to –60°C.
  • The ability to adapt the properties of Polytamp to the geological and physical conditions of a particular  deposit and for various types of squeeze job.
  • The stability of Polytamp properties and compositions based on it.
  • Possibility of application at the stage of well construction and during operation, in formations with abnormally low and high formation pressure.
  • Coiled tubing units application possibility.
  • A wide range of the polymerization time regulation depending on the geological and technical conditions.
  • Resistance to organic and inorganic acids, hydrogen sulfide, salt solutions, the possibility of acid treatments.
  • Duration of repair insulation works is min. 5 hours.
  • The possibility of chemical destruction and removal of the insulating screen after polymerization in case of emergency.
  • Strengthening the weakly cemented rocks skeleton, reducing sand removal.
  • The economic effect increasing due to oil and gas extraction increasing.
Application

Before use, the material is diluted with water (1-12 parts by weight of water or more per 1 part by weight of material).

The material is not corrosive, its application does not require the formation pre-treatment, it is applied using standard equipment (including coiled tubing units).

The work is carried out with and without lifting the downhole equipment in wells with any method of operation.

Storage

Polytamp is recommended to be stored in tightly closed original packaging at a temperature between -60°C and + 40°C, in a cool, dry, well-ventilated place, away from areas that pose a fire hazard. Protect from direct sunlight and moisture.

The guaranteed shelf life in original container is 12 months. The actual period of application is up to 3 years or more, which is associated with the high stability of the Polytamp.

Storage over the date specified on the label does not necessarily mean the product is unusable. In case, if store more please check the properties of product before use.

Packaging

Steel barrels with a capacity of 100 dm3, 110 dm3, 200 dm3, 273 dm3.

Safety information

Grouting material Polytamp-2 grade A is a flammable, explosive liquid. Observe the fire safety technique when processing.

Detailed instructions are given in the relevant product safety data sheet. It can be provided upon request.

Parameter name and measure unit Standard
Appearance Liquid
Color From light yellow to dark brown
Freezing point, °C, max. -60
Dynamical viscosity, mPa·s 1 – 30
Density, g/cm3 0,9 – 1,1
The amount of precipitate after dilution with water in ratio 1:3,%vol, max 7
The gelling ability at a temperature (+75±5)°С, material to water ratio = 1:3 1 – 8
The ability to form a homogeneous system with water Stable, non-delaminating fluid
Solubility in alcohols, kerosene, acetone, oil distillate, etc.
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