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SPNH褐煤树脂为黑色粉末，该产品是由苯酚、甲醛、硝基腐植酸等在一定条件下接枝共聚而成，其中含有多种活性基团，抗温可达200℃，能显著地降低淡水、饱和盐水钻井液的失水量，且明显改善泥饼质量和钻井液的流变性。

一、产品特性

1、抗温能力强，具有很好的降失水性能和广泛的抗污染能力。

2、粘度效应低，钻井液具有好的流变性。

3、可与各种钻井液体系配合使用，配伍性好。建议加量1～3 %。

二、性能指标

表1

三、包装、运输及储存

包装袋为纸塑三合一包装袋，顶口缝合后用胶带粘结，每袋净重25（±0.5）kg。

本品不燃、不爆、没毒、无害，按非危险品运输管理。

产品在储存过程中应注意防潮、防漏。有效期两年。

本品避免与眼睛接触，否则用大量清水清洗。

SPNH Lignite Resin for Drilling Fluid

SPNH lignite resin is black powder, which is made of phenol, formaldehyde, nitro humic acid and so on by grafting copolymerization under certain conditions. It contains a variety of active groups, and its temperature resistance can reach 200 ℃. It can significantly reduce the water loss of fresh water and saturated brine drilling fluid, and significantly improve the quality of mud cake and rheological properties of drilling fluid.

Product Features

1. Strong temperature resistance, good water loss reduction performance and extensive anti pollution ability.

2. The viscosity effect is low and the drilling fluid has good rheology.

3. It can be used with various drilling fluid systems with good compatibility. The recommended dosage is 1-3%.

Performance Index

Packaging, Transportation and Storage

The packaging bag is a paper plastic three in one packaging bag. The top opening is sewn and bonded with adhesive tape. The net weight of each bag is 25 (± 0.5) kg.

This product is non combustible, non explosive, non-toxic and harmless, and is managed as non dangerous goods transportation.

The products should be protected from moisture and leakage during storage. It is valid for two years.

Avoid contact with eyes, or wash with plenty of water.