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Cement Gas Channelling Agent

Brief Introduction:

not only has good anti-channeling performance but also improve the flexibility of cement

BCG-200L is a multi-copolymer anti-migration agent. It has an excellent performance such as good property of temperature and salt resistance, a strong ability to control fluid loss, moderate thickening and raise shear force in slurry. Besides there is a short thickening time and transition time of static gel strength and also the best performance of slurry gas channeling is available. It is applicable to a variety of well cementing.

 

The main component of BCG-300S is a polymer flexible polymer by adding a surfactant and a dispersing agent to prevent slurry flocculation and coagulation in the manufacturing process.The slurry mixing with BCG-300S not only has good anti-channeling performance but also improve the flexibility of cement. It can be applied to oil, gas and water formations active cementing, such as adjusting well, active bottom water wells, high pressure oil and gas wells cementing.

 

ITEM BCG-200L

SPECIFICATION

Fluid loss（80℃，6.9MPa，30min），mL

≤50

Initial consistency，Bc

≤30

Thickening line

normal

Thickening time（80℃，46.5MPa），min

≥60

Free liquid，%

≤0.1

Compressive strength（80℃，0.1MPa，24h），MPa

≥14.0

Static gel strength transition period（80℃，20MPa），min

≤30

Gas migration volume（80℃，2.1MPa），mL

0

Slurry composition: Class G cement (HSR): 800g, Distilled water: 324.0g, BCG-200L：28.0g（Soluble），G603：0.4g

 

ITEM BCG-300S

TECHNICAL INDEX

initial consistency，Bc

≤100

thickening time（52℃，35.6Mpa）

 

Thickening line

normal

fluid loss，mL（140℃，6.9Mpa）

≤100

Gas migration volume (52°C), ml

0

free fluid，%

≤0.5

compressive strength，MPa（52℃，atm，24h）

≥14.0

slurry composition： class“G”cement(HSR)：800g，distilled water：365g，BCF-200S：20.0g，BCG-300S：32.0g，G603：0.4g

 

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