End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.
端面有间隙、无凸台对接是指在上、下套管之间留有一定间隙，上、下主弦杆端面同时接触对接。
Pull-out failure is the main damage form of round thread casing connections.
连接接头滑脱失效是圆螺纹套管损坏的主要形式。
Cement sheath are the main composites for cementing well and isolating the pay zone together with casing pipes.
水泥石是构成井下水泥环的主要材料，它和套管共同起到层间封隔的作用。
Doors of engine casing and stair casing on main deck are of fire doors with self-closing device.
主甲板机舱棚围壁和梯道环围等处安装的门为带闭门器的防火门。
This paper presents the design of surface casing drilling in Shengli Oilfield, as well as development of main tools and the field application in Well Kendong-341.
详细介绍了胜利油田表层套管钻井技术整体方案设计、主要工具的研制及在垦东341井的现场试验情况。
With water_injection, creep and gliding of a mud_rock layer are main reasons for casing failure.
在注水条件下，泥岩蠕变引起层间滑移是套管损坏的主要原因。
The main materials of this technology are split bolt, PVC casing, plastic head, vertical skeleton and aluminum alloy skeleton.
该工艺主要材料包括对拉螺栓、PVC套管、塑料封头、竖骨架、铝合金骨架等。
A reasonable mechanical design of the main die body was given on the basis of considering every determining factors such as the bore hole condition (casing or not).
并根据井眼条件(有无套管)等方面因素，对打捞主体的机械结构进行了合理设计。
Corrosion failure of casing in Zhongyuan oil field is a main factor that causes oil or water well abandoned.
在中原油田，套管腐蚀损坏是油水井报废的主要原因。
Casing corrosion is very serious in ChangQing oil field. The main treating is top water exclusion technology.
长庆油田存在严重的套管腐蚀损坏，采取的主要治理措施是隔水采油工艺技术。
The main reason causing the low restoring rate of the small gauge casing damaged Wells in Daqing Oilfield is the inefficiency of drifting and reaming technology.
大庆油田小通径套损井修复率低的主要原因是套损井段扩径、找通道技术不过关。
The main reason that casing falls to the hole by breaking off thread is casing thread quality can't reach the criteria, and the management of casing running into the hole is not strict.
套管脱扣落井的主要原因是套管扣加工质量达不到规范要求，以及套管入井管理不严造成的。
Type DG pump is single casing segmental multi-stage centrifugal pump, the main parts of it are stator, rotor, bearing and shaft seal.
本型泵是单壳体节段式多级离心泵，主要由定子、转子、轴承和轴封四大部分组成。
Sand production is believed to be the main cause of casing damage based on well status survey in WZ oilfield in Dongpu depression.
以东濮凹陷WZ油田井况调查套管损坏资料为依据，分析说明地层出砂是引起套管损坏的主要原因。
Mountain Tway casing calorie is a world-class manufacturing processes SANDVIK Group, one of the main products, from machinery manufacturing capital of Sandviken, Sweden.
山特维克卡套管是制造工艺世界一流SANDVIK集团的主要产品之一，源自机械制造之都瑞典的山特维肯市。
It is one of main content for engineering to estimate effect of casing damage. Technology of 36-finger image caliper can judge bend, changing diameter, distortion of casing.
对油水井套管损伤情况的检测是工程测井的主要内容之一，36臂成像井径测井能较准确判断套管弯曲、变径、变形等情况。
The main reason of casing failure in Zhongyuan oilfield is that casing strength is insufficient to resist the immense external force in salt interval.
中原油田套管损坏的主要原因是现有套管强度不够，无法抵抗盐膏层段的巨大外挤力。
This paper discussed the main reason of casing damage for oil-water Wells in block Hu 5.
讨论了胡状集胡五块油水井套管损坏的主要原因。
Reservoir stress has an important effect on hydrocarbon migration and accumulation, which is also the main factor of casing damage.
油藏地应力对油气资源的形成、运移及储集等有直接控制作用，同时又是套管损坏的主要因素。
The production casing cementing problems in Tahe Oilfield in 1998 are analyzed, and the main reasons causing low cementing quality are found.
针对塔河油田1 998年生产套管固井质量存在的问题进行了分析，找出了影响固井质量的主要因素。
Thee main products are: all kinds of diamond drill bits, PDC bits, casing boots, reaming, single and double tube wireline coring drilling, coring drill pipe, casing and other drilling tools.
主要产品有：各类金刚石钻头、复合片钻头、套管靴子、扩孔器、单双管绳索取芯钻具、绳索取芯钻杆、套管及其它钻探工具。
This paper presents flush joint casing classification, structural feature, technical difficulty in design, performance and evaluation, main advantages and application.
文中介绍了无接箍式套管的分类、结构特征、设计的技术难点、性能和评价方法、主要优点和应用情况。
The main contents of this thesis are the research of simultaneous casing & coring method by pneumatic Down-the-Hole (DTH) hammer drilling and the innovation of a novel vegetable-gum drilling fluid.
本文是以中国水电顾问集团成都勘测设计研究院负责“架空层钻进取心技术研究”项目为依托，研究的主要内容是空气潜孔锤跟管取心钻进技术和新型植物胶冲洗液的开发研究。
End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.
端面有间隙、带凸台对接外形是指在标准节上部主弦杆上焊有定位凸台，定位凸台伸人另一标准节主弦杆内，上、下套管之间留有一定间隙配合定位。
The main purpose of judging water flowing in oil shale or not is to provide the information for evaluating casing damage situation during oilfield development.
判断油页岩是否进水的主要目的是为油田开发过程中评价套损情况提供信息。
The main reason of casing failure in most oilfields is the plastic flow in salt rock, gypsolyte and shale due to creep.
我国大部分油田套管损坏的原因主要是岩盐层、膏岩层、泥岩层等由于蠕变产生的塑性流动而挤坏套管的。
The main failure form of V-round-thread casing, that is, the mechanism of thread connection slipping off, is analyzed in this paper.
本文对V形圆扣套管联接强度失效的主要形式，即套管联接螺纹滑扣(或滑脱)失效的机理进行了分析研究。
Each rotor impeller is composed of a cast iron frame, a graphite casing, an upper main shaft, a lower main shaft, the graphite impeller and the belt wheel.
转子叶轮由铸铁支架、石墨套管，上部主轴、下部主轴、石墨叶轮和皮带轮构成。
Each rotor impeller is composed of a cast iron frame, a graphite casing, an upper main shaft, a lower main shaft, the graphite impeller and the belt wheel.
转子叶轮由铸铁支架、石墨套管，上部主轴、下部主轴、石墨叶轮和皮带轮构成。
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