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。 |