申请人:Ecolab USA Inc.
公开号:US10370951B2
公开(公告)日:2019-08-06
A method of performing a squeeze treatment comprises pumping a treatment fluid under pressure through a wellbore into a subterranean formation, wherein the treatment fluid includes a hydrogen sulfide scavenging compound that adsorbs onto the subterranean formation in a region around the wellbore. Production fluids are then allowed to flow from the subterranean formation into the wellbore, wherein the production fluids contact the adsorbed hydrogen sulfide scavenging compound as the production fluids flow through the region around the wellbore, and wherein the production fluids contain hydrogen sulfide that reacts with the hydrogen sulfide scavenging compound to reduce an amount of hydrogen sulfide in the production fluids before the production fluids flow into the wellbore.
一种进行挤压处理的方法包括将处理液在压力下通过井筒泵入地下地层,其中处理液包括一种硫化氢清除化合物,该化合物在井筒周围区域吸附在地下地层上。然后让生产流体从地下地层流入井筒,其中生产流体在流经井筒周围区域时与吸附的硫化氢清除化合物接触,其中生产流体含有硫化氢,在生产流体流入井筒之前,硫化氢与硫化氢清除化合物发生反应,以减少生产流体中的硫化氢含量。