The field coupon tests indicated that the Jurassic oil well pipe in the oil field of PetroChina Changqing Oil Field Company suffered from severe internal corrosion,especially the pit corrosion.
英
美
- 通過(guò)現場(chǎng)腐蝕掛片試驗,發(fā)現中國石油天然氣股份有限公司長(cháng)慶油田分公司某油田開(kāi)采侏羅系油井管柱遭受?chē)乐氐膬雀g,以點(diǎn)蝕為主要破壞形式。
