查询词典 drilling stem

It is connected to the required position of drilling stem to protect drilling stem without any influence on the drilling tool.

将它连接于所用钻柱的需要部位，保护钻柱，不影响钻具正常工作，一旦在井下工具遇卡可借助于安全接头卸开并退出卡点以上的钻柱，再次下钻时还可对接。

It is connected to the required positoin of drilling stem to protect drilling stem without any influence on the drilling tool.

将它连接于所有钻柱的需要部位，保护钻柱，不影响钻具正常工作，一旦在井下工具遇卡可借助于安全接头卸开并退出卡点以上的钻柱，再次下钻时还可对接。

It is connected to the required position of drilling stem to protect drilling stem without any influence on the drilling tool.

将它连接于所用钻柱的需要部位，保护钻柱、不影响钻具正常工作，一旦在井下工具遇卡可借助于安全接头退出并卸开卡点以上的钻柱，再次下钻时还可对接。

A self-drilling anchor (10) for use in a friable material (1) comprises a body (12) having an axis (13), a flanged rear end (14), a drilling front end (16) and a generally cylindrical portion (18) therebetween having an outer surface (20) with a thread (22) disposed thereon, wherein the body forks, beginning at a predetermined distance from the flanged rear end, into a first leg (24) and a second leg (26), the first leg extending forwardly into a drilling tip (28) and having a generally rearward facing shoulder (30) angled obtusely outwardly with respect to the axis, wherein the body (12) has an axial bore (32) for receiving an elongate fastener (2), the axial bore (32) extending substantially through the flanged end (14) and the generally cylindrical portion (18) and leading to the generally rearward facing shoulder (30), wherein the anchor (10) has a drilling mode wherein the second leg (26) nests behind the generally rearward facing shoulder (30) of the first leg (24), and an anchoring mode wherein the legs are pivoted apart from one another.

一种用于易碎材料(1)中的自攻螺钉(10)，包括：主体(12)，其具有中心轴(13)、带有凸缘的后端部(14)、用于钻孔的前端部(16)和位于所述后端部和前端部之间的通常为圆柱状的部分(18)，所述圆柱状部分(18)的外表面(20)上布置有螺纹(22)，其中主体从距离带有凸缘的后端部的预定的距离处开始分叉为第一腿(24)和第二腿(26)，第一腿向前伸入钻孔尖端(28)，并且具有相对于中心轴向外成钝角的通常面向后的肩部(30)，主体(12)具有容纳细长状紧固件(2)的轴向孔(32)，轴向孔(32)基本延伸穿过带有凸缘的端部(14)和通常为圆柱状的部分(18)，并且通向通常面向后的肩部(30)，螺钉(10)具有钻孔状态和固定状态，在钻孔状态，第二腿(26)套在第一腿(24)的通常面向后的肩部(30)之后，并且在固定状态，腿彼此转动分离。

Based on the strict requirements of safely and fleetly deep drilling and reservoir protection to drilling fluid in drilling engineering, the modified polyalcohol anti-sloughing agent was developed and then a new alcohol drilling fluid was gained through screening other additives and optimizing formulation.

基于钻井工程中安全快速钻进及油气层保护对钻井液的严格要求，开发出了改性多元醇防塌剂，在此基础上通过优选其他处理剂和配方优化研制出了一种新型醇类钻井液。

Moreover drilling measures in different strata are pointed out,which are firstly drilling without slurry in part of silty clay layer,secondly adopting double-bottom bailing bit and bore directly and abandoning slurry with impact drilling rig in muddy clay layer,thirdly selecting short screw auger at low speed in gravel layer,finally choosing rock-socketed drilling tube in shaly sand layer.

指出旋挖钻机在不同地层中的钻进措施：部分粉质粘土层中可用清水或干孔钻进，淤泥质粘土层中采用双底捞砂钻头、直接用冲击钻机钻孔弃浆，圆砾层中采用短螺旋钻头低速钻进，泥质砂岩层中采用嵌岩钻筒钻进等措施，保证施工工期满足架梁节点要求。

Therefore based on analysis of the status quo and the bottleneck points of the drilling and completion, effective measures have been put forward, including optimization of casing program, application of UBD and compound drilling, adoption of nonpermeable drilling fluid, diverting technology, rotating while cementing, casing optimization, horizontal drilling and extended reach well technology, etc.

为解决上述问题，在对钻井完井现状和难点进行分析的基础上，提出了有效的应对措施，主要包括优化井身结构，推广应用欠平衡钻井和复合钻井技术，采用非渗透钻井液、屏蔽暂堵技术和旋转固井技术，优选套管射孔完井，开展水平井和大位移井钻井工艺等。

At present,study and application low density underbalance drillig fluid focus on four aspect:①gas drilling fluid;②aeration drilling fluid;③emulsi on drilling fluid;④foam drilling fluid.

低密度钻井液的研究与应用，目前基本上集中在下面 4大类钻井液上：①气体钻井液；②充气钻井液；③乳化钻井液；④泡沫钻井液。

the way to drilling whole core at deep and thick layer is a difficulty in hydropower exploration. in present 10 years, by the sm plant glue drilling techniques, both the core adopt rate and drilling rate are improved. by the accumulation of practice experience and adjustment of technical parameter and confectmeasure, this drilling techniques get perfectly.

对深厚卵石层钻探完整取芯样问题一直是水电勘探中的一大难题，近十年来由于采取了sm植物胶金刚石钻进工艺，岩芯采取率和钻进效率都有一定的提高；随着实践经验的积累和技术参数、配制方法的不断调整，此钻进工艺得到了不断完善。

South-with the requirements of domestic furniture manufacturers, successfully developed a series of woodworking design sophisticated processing equipment, products: Automatic Edge machine, pushing Taiwan saw precision, precision Panel Saw, heavy vertical shaft milling, high-speed router milling machines, cold-pressing Machines, hot and cold press, multi-pressing machine, ranked number six uranium drilling, ranked number four uranium drilling, three rows of uranium and more drilling, single-row drilling machines.

南兴结合国内家具厂商的要求，成功开发设计了一系列木工加工精密设备，目前产品有：自动封边机、精密推台锯、精密裁板锯、重型立轴铣、高速镂铣机、冷压机、冷热压机、多层热压机、六排多铀钻、四排多铀钻、三排多铀钻、单排钻孔机等。

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。