Compound Modified Starch Ether for Drilling

Product Description

The performance of the product:

The compound modified starch etherWS-301, WS-302, WS-303 WS-304, WS-305 and WS-306 produced by Lanzhou Worldev is one of patent products belonging to the company. It has special function in drilling field. It has superior characteristic and adaptability.

1. For drilling fluid, it is a high efficient retention agency with high viscosity, good water permanence ability and low additive dose.

2. With high temperature resistant and good ability of anti-salt, it can meet all requirement of drilling, especially for ocean well and deep well.

3. With good rheology, it keeps the slurry in good state of non-Newtonian fluid.

4. With good wall-making ability. One of the characters is ' short silk' with high viscosity, which can make the cliff of the wall smooth.

5. Instant in cold water. All you need to do is pouring the powder into cold water and stirring for a while. After 20 min, it solves completely without lump or 'fish eye', and it has good workability.

6. As breakdown fluid, WD304, WD305, Wd306 has very low filtrate volume and gives the wall strong support. When clean up the wall, it has good ability of drainage.

7. WS-301, WS-302 can be used as oil repellent.