This is a reversal thinking operation concept against the pipe drilling method of casing pipe wall protection described in conventional books.
本方法与书本上所述的套管护壁跟管钻进方法有反向思维操作概念。
The structural characters of steel pipe drilling rod, the signification of welding repair for the rods and the narrow gap welding process and equipment are introduced in the paper.
介绍了钻铤钢管的结构特点、焊接修复的意义，以及窄间隙焊接工艺与设备。
Permanent towers, called derricks, used to be built to handle the long sections of drilling pipe.
被称为井架的永久性的塔，过去是为处理长距离钻探管道而建的。
On May 26th BP started to pump heavy drilling mud into the blowout preventer, the set of valves at the top of the well to which that broken pipe is attached.
5月26日，英国石油公司开始将重型钻探泥浆用泵抽运进防喷装置- - - - -它是由多个气阀构成，位于油井顶部，连接着那根已断裂的立管。
Crews are slowly pumping heavy drilling mud into a cap on the top of the well, to push down hydrocarbons that are already present in the well pipe.
工程人员正在缓慢地将特殊泥浆注入井口上的控油罩，将油井管道中已经形成的碳氢化合物压在下面。
Cast Iron Pipe Flanges and Flanges Fittings, 125 LBS. Conforms to related flange drilling.
铸铁管道法兰和法兰连接件，125磅，符合相关法兰钻孔尺寸标准。
Pipe sticking phenomenon appears sometimes during pull-back stage of pipeline crossing with horizontally directional drilling, which results in crossing failure and great economic loss.
在水平定向钻穿越管道回拖环节中，容易出现卡管现象，导致穿越失败，造成巨大的经济损失。
The wash pipe packing of drilling swivel showed wear-and-tear continually in drilling process due to its structural design.
钻井（水）龙头由于结构设计的原因，冲管盘根在钻井过程中不断磨损，特别是在高压泥浆的作用下，盘根密封常常被破坏。
Applying: broadly used in the outer current cathode protection of the sea oil drilling platform, underground pipe and cable etc.
应用：高硅铸铁阳极广泛应用于海上石油钻井平台，地下管道地下电缆等设施的外加电流的阴极保护。
An enlarged pipe at the top of a casing string that serves as a funnel to guide drilling tools into the top of a well.
套管柱顶部的一根大口径管，形如漏斗，以引导钻井工具进入到井眼的顶部。
In order to reduce the fluctuation of pressure and discharge capacity of the triplex drilling pump, the air accumulator is often fixed on the discharge pipe.
为了降低三缸单作用钻井泵的压力和排量波动，通常在排出管线上安装有空气包。
Complicated formation condition and underground pipe network condition are the important factors that influence the quality of guided drilling of trenchless technology.
地层和地下管网条件复杂是影响非开挖导向钻进质量的重要因素。
This paper introduces a new wall protection method for drilling loose strata casing pipe wall protection.
本文介绍一种新的钻探松散地层护壁方法——套管护壁“三板斧”。
Sticking pipe has been being a complicated problem in drilling this area.
在这个地区打井，卡钻一直是个复杂问题。
In this paper, the structure feature and principle of this special drill has been introduced. Its special design is very useful for drilling thin-wall pipe.
本文介绍了薄壁管专用钻头的结构特点及工作原理，其结构设计新颖，对薄壁管的钻削有实用价值。
Horizontal Directional Drilling technology is widely used in urban underground pipe laying engineering.
在非开挖工程中，水平定向钻进技术广泛应用于城市地下管线铺设工程。
By analysis of enforcement of drilling tools of air downhole hammer's following pipe, the factors affecting the drilling speed and depth of the following pipe are obtained.
通过对空气潜孔锤跟管钻进钻具的受力分析，得到影响潜孔锤跟管钻进速度和跟管深度的因素。
The valve at the bottom of auger can prevent drilling bits entering hollow pipe during operation. When drilling pipe is taken out and concrete grout is injected, the valve will be opened.
螺旋钻头底部阀门防止钻进过程中钻屑进入到空心的混凝土管中，当钻杆提出同时混凝土浆注入时，钻杆底部的阀门将被打开。
Through the deep investigation and analysis of the drilling pipe failure, the main factors causing drilling pipe failure are found out.
通过对钻杆失效问题的深入调查和分析，找出引起钻杆失效的主要原因。
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。
The wash pipe packing of drilling swivel showed wear-and-tear continually in drilling process due to its structural design. The packing assembly was often torn by high pressure mud.
钻井水龙头由于结构设计的原因，冲管盘根在钻井过程中不断磨损，特别是在高压泥浆的作用下，盘根密封常常被破坏。
Among oil well drilling equipment and tooling, the high - strength drill pipe plays a very critical role.
高强度石油钻杆在钻井设备和工具中占有十分重要的地位。
The macro and micro characteristics of vacuolar corrosion were studied; a failure case of vacuolar corrosion of petroleum pipe of seashore well-drilling rig was discussed.
通过讨论海上石油钻井平台用管材空泡腐蚀失效的案例，研究管材空泡腐蚀的宏观特征和微观特征。
Our main products are steel wire weaving and wire spiral rubber hose, oil drilling pipe, oil and liquefied petroleum gas and special gas hose, sandblast pipe.
我公司主要产品有钢丝编织和钢丝缠绕胶管、石油钻探管，石油液化气及天然气专用胶管、喷沙管等。
In the process of sour gas reservoir development, hydrogen sulfide usually causes corrosions and damages in oil line, casing pipe and drilling apparatus.
含硫气田在开发过程中，由于硫化氢的出现，常常会出现油管、套管、钻井设备、钻井仪器等等腐蚀和损坏问题。
The advantages of gas drilling are: high drilling efficiency, effectively controlling formation damage, preventing from lost circulation and adhesive drill pipe sticking.
气体钻井的优点有：钻井效率高、有效保护油气层、防止井漏和黏附卡钻。
In drilling engineering, drill pipe often sticks in salt formation because of wellbore shrinkage.
在钻井工程中，盐岩层井眼易发生缩径卡钻。
The utility model relates to a pipe laying machine by drilling and crossing, which is a machine used for drilling and crossing the existing buildings and laying pipes.
一种钻孔穿越铺管机是钻孔穿越已有建筑物并铺设管道的设备。
The trenchless pneumatic hammers which don t rotate themselves during drilling include impact moles, pipe ramming hammers and pipe bursting hammers.
穿孔过程中自身不回转的非开挖气动锤包括冲击矛、夯管锤和爆管锤。
The trenchless pneumatic hammers which don t rotate themselves during drilling include impact moles, pipe ramming hammers and pipe bursting hammers.
穿孔过程中自身不回转的非开挖气动锤包括冲击矛、夯管锤和爆管锤。
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