According to this problem, casing oil stolen prevention sealing valve was developed, matching with down-hole oil-gas separator and gas lift valve lift technology.
针对这一难题，研制了套管防盗油密封阀，并配套应用了井下油气分离器与气举阀助流举升工艺技术。
The problem of the behaviors of coiled tubing down-hole buckling is the key of the success of coiled tubing down-hole operation.
连续油管井下屈曲行为问题是连续油管井下作业成败的关键性问题。
The problem was a highway way located on the left side of the hole. In that brief second or two time seemed too slow down and I felt terror like never before.
问题出在球洞左侧有一条高速公路，在那一两秒钟，时间仿佛都凝固了，我感到前所未有的恐惧。
The present utility model discloses a down-hole depth-determining water sampling apparatus for solving a problem that depth-determining water sampling can not be realized in the prior art.
本实用新型的井下定深取水样装置，为了解决现有技术中无法定深取水的问题而发明。
The present utility model discloses a down-hole depth-determining water sampling apparatus for solving a problem that depth-determining water sampling can not be realized in the prior art.
本实用新型的井下定深取水样装置，为了解决现有技术中无法定深取水的问题而发明。
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