
Drilling Fluid
Designing Lightweight Cement Slurries with Gilsonite
In weak or depleted formations, heavy cement slurries can fracture the rock and cause losses. Lightweight slurries solve…



固井用硬沥青比重低,可降低水泥浆密度,在注替过程中桥堵裂缝,改善胶结并提高水泥石弹性,有助于防止关键井的气窜。
| 指标 | 典型值 | 检测方法 |
|---|---|---|
| 外观 | 黑色有光泽固体 | 目测 |
| 软化点(环球法) | 160 – 220 °C | ASTM D36 |
| 灰分 | 3 – 8 % | ASTM D3174 |
| 三氯乙烯溶解度 | 95 – 99 % | ASTM D2042 |
| 比重(25°C) | 1.04 – 1.06 | ASTM D70 |
| 水分,最大 | 1 % | ASTM D95 |
| 粒径 | 75 – 200 µm | 筛分 |
| 典型用量 | 水泥质量的5 – 15% | |
| 包装 | 25公斤袋托盘;1吨吨袋。 | |
以上为典型值,最终规格以每批货物的分析证书(COA)为准。

In weak or depleted formations, heavy cement slurries can fracture the rock and cause losses. Lightweight slurries solve…

Gilsonite has been used in oil well cement slurries for decades. Its low density and sealing ability make…
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