研究经济有效的多点套损井长井段密封加固修复技术就成为目前修井领域亟待解决的课题。
Developing an economic and valid pressurized and enhanced casing repair Technology for multiply casing damages with long damaged segment becomes the earnest issue in well repair area.
针对化学防砂在长井段多油层的油水井防砂时缺少可靠的胶筒密封和卡瓦锚定的分层防砂工具的问题，研制了水力密闭式分层化学防砂工具。
There is a lack of dependable layered sand control tools that are rubber sealed and clamp anchored in chemical sand control of oil and water wells with long intervals and multiple layers.
六本木史。樱井是一家狗粮公司的董事长。他已经成为动物救援自愿者中的一员。
Kenn Sakurai, the President of a dog food company, who has been among the volunteers, says on facebook.
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