 
			2021-01-29
G-Class Oil Well Cement
| 項(xiàng)目 Project | 國(guó)家標(biāo)準(zhǔn) GB/T10238-2015 | 本廠實(shí)際 Actual level | 
| 38℃常壓抗壓強(qiáng)度(MPa) Compression strength of 38℃normal pressure | 8h≥2.1 | ≥4.5 | 
| 60℃常壓抗壓強(qiáng)度(Mpa) Compression strength of 60℃ normal pressure | 8h≥10.3 | ≥14.5 | 
| MgO(%) | ≤6.0 | ≤5.0 | 
| C3A(%) | ≤3.0 | ≤3.0 | 
| C3S(%) | 48---65 | 50---65 | 
| SO3(%) | ≤3.0 | ≤2.5 | 
| 燒失量(%)Loss on ignition | ≤3.0 | ≤2.0 | 
| 
					不溶物(%) | ≤0.75 | ≤0.60 | 
| 游離液 (%) Free fluid | ≤5.9 | ≤5.0 | 
| 15---30min 稠度(BC) 15---30min thickness (BC) | ≤30 | ≤25 | 
| 稠化時(shí)間(分鐘) Thickening time (min) | 90---120 | 95---115 | 
| 特點(diǎn) | 稠化時(shí)間適中,強(qiáng)度高,可泵性好。 | |
| 適用范圍 | 主要用于2000米內(nèi)油、汽井固井工程。 | |