摘要 |
<p>The present invention relates to a process for treating a sandstone formation comprising introducing a fluid containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and having a pH of between 1 and 14 into the formation. The invention in addition relates to a fluid and a kit of parts suitable for use in the above process containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA), a corrosion inhibitor, a surfactant, and optionally a mutual solvent.</p> |
申请人 |
AKZO NOBEL CHEMICALS INTERNATIONAL B.V. |
发明人 |
NASR-EL-DIN, HISHAM;DE WOLF, CORNELIA, ADRIANA;NASR-EL-DIN MAHMOUD, MOHAMED, AHMED;BOUWMAN, ALBERTUS, JACOBUS, MARIA;GEORGE, NOBLE, THEKKEMELATHETHIL |