查询词典 drilling

And the optimize of underbalance drilling fluid is gone on in view of stratum and reservoir geologic characteristic in DaQing oil field, finally a suit of reverse emulsion drilling fluid system fitting DaQing oil field underbalance drilling is established, and it is successfully used and verified in erbalance drilling construction work, the effect is very ideal. Additional the well control technique and commensurable auxiliary technique of underbalance drilling are also systematically analysed, a suit of auxiliary technique and well control scheme of underbalance drilling fitting DaQing oil field zone of negative pressure is established.

本文重点对欠平衡钻井负压值的影响因素及确定方法进行了研究；并针对大庆油田地层及油藏地质特征进行了欠平衡钻井钻井液体系的优选，最终确定了一套适合大庆油田欠平衡钻井的水包油钻井液体系，并成功地在欠平衡钻井施工中得到应用和验证，效果十分理想；另外，本文对欠平衡钻井的井控技术及相应的配套技术也作了系统的分析，确立了一套适合大庆油田地层特点的欠平衡钻井工艺技术配套措施及适合大庆油田地层负压特点的钻井井控技术方案。

The eight major research topics are :①understanding coremantle processes, by deep drilling into a large oceanic plateau in the Western Pacific;②detailed investigation of material circulation during greenhouse Earth, and the transition process from greenhouse to icehouse environments, by drilling Cretaceous to Cenozoic sediments in the Pacific,③understanding the process of continental crust formation by deep drilling into oceanic arc,④Understanding the process of oceanic lithosphere formation by deep drilling of the back arc spreading system,⑤understanding of continentoceanatmosphere linkage, by drilling in the marginal seas and continental slopes of Asia,⑥investigation of the carbon cycle and the deep biosphere in accretionary prisms,⑦investigation of the mechanism and cycles of great earthquakes, tectonics, and mass circulation in convergent plate margins,and ⑧biology of extreme microorganisms living in deep accretionary prism environment.Keywords : Japan IODP Drilling Scientific goals.

其八项研究目标为：①钻探西太平洋洋底高原，认识核—幔作用过程；②钻探太平洋白垩纪—新生代沉积物，详细研究地球温室期间的物质循环及从温室环境到冰室环境的转化过程；③钻探大洋岛弧，认识大陆地壳形成过程；④钻探扩张的弧后，认识洋壳岩石圈形成过程；⑤钻探亚洲边缘海及陆坡，认识陆壳—洋壳—大气圈关系；⑥调查增生楔中的碳循环及深部生物圈；⑦调查汇聚板块边缘大地震周期及形成机制、构造及物质循环；⑧研究生活于增生楔环境中极端微生物生物学。

According to some examples of gas drilling in Daqing Oilfield, this text analyze of the reasons for deviation of gas drilling from many aspects such as geological factor, borehole diameter expanding, drilling parameter, hole drift angle, circulation medium of drilling, etc. Base on the analytic result and the site example of drilling, tentative diagnosis measures has been given to gas drilling control measures, this result laid a solid foundation for the design and construction of gas drilling.

根据大庆油田气体钻井实例本文从地质因素、井径扩大、钻井参数、井斜角、钻井循环介质等方面分析了气体钻井井斜的原因，基于分析结果并与大庆现场钻井实例相结合，初步给出了气体钻井井控措施，为气体钻井设计和施工提供一定的基础。

Adopt at present most advanced large-scale SUPER SAP finite element structure analyse procedure to go on numerical value calculation for model of drilling rod, drilling rod whole stress simulation of state that receive show and reflect drilling rod various kinds of stresses under different working states distribute the characteristic clearly, make stress state of drilling rod reach visual, make people able to understand informations of drilling rod of stress status in depth too at the same time, so that the design of the improvement drilling rod constantly is in order to meet the demands of actual project.

采用当前最先进的大型SUPER SAP有限元结构分析程序对钻杆的模型进行了数值计算，得到的钻杆整体应力状态的模拟显示清楚地反映了钻杆在不同工作状态下的各种应力分布特征，同时也使钻杆的应力状态达到了可视化，使人们可以深入了解钻杆应力状态信息，以便不断的改进钻杆的设计以满足实际工程的需要。

For the insufficient of drilling parameters of resources exploration drilling rig in real-time display, an online parameter monitoring system for the drilling depth, drilling speed, drilling power, rotational speed, lifting/drilling force, torsional moment, compressor air quantity, and compressor pressure of the driller based on single chip-microcomputer MSP430 was designed and realized.

针对目前国内资源勘探钻机的钻进参数在实时显示等方面的不足，设计并实现了一套基于MSP430单片机的集钻机的钻进深度、钻进速度、钻进功率、转速、提升/钻进力、扭矩、空压机风量和空气压力等参数的检测系统。

In 2007, according to the plan of CNPC, gas drilling experiments were carried out extensively in Xujiaweiziensis DaQing. Air drilling, nitrogen drilling and atomization/foam drilling were all applied, and the primary attempt was actualized in the intended interval of Yingchengzuensis. It took out remarkable effect, therefore improved and developed the gas drilling technology. Thus the elementary matching technology of gas (atomization/foam) drilling that is fit for sand shale and vulcanite in Region Xujiaweiziensis of DaQing was formed, which will offer valuable experience for the further application and expansion of gas drilling.

根据中油股份公司的安排部署，2007年气体钻井在大庆徐家围子地区进行了大规模试验，应用了空气、氮气和雾化泡沫钻井工艺，并在营城组目的层进行了气体钻井尝试，取得了显著的效果，使气体钻井技术得到了进一步完善和发展，初步形成了一套适合大庆徐家围子地区深层砂泥岩、火山岩地质特点的气体钻井配套工艺技术，为气体钻井的进一步推广应用积累了宝贵经验。

LiWei INC was founded in 1999, integrating scientific research, design, production, operating in one, professional production and sale of Rock Drilling, mining accessories, engineering tools, rock drilling tools, milling machine milling teeth, milling Machine Cutter, road Mixer Cutter, coal mine cut teeth with various types of Shearer with conical teeth, knife-shaped cross-sectional tooth, boring machine with boring tooth, shield knives, metro shield machine shield configuration tools and various types of mining bits, rock drills, anchor drills, rotary drilling engineering cut-off teeth, using rotary drilling rig Rotary Drilling teeth, tooth roadheader, Rotary Drilling teeth, bucket teeth, tooth Block, and a variety of Rock Drilling Bits, including word, cross drill head, the ball tooth drill head, drill sets, drill tail, drill rod and so on.

香港立威刀具有限公司始建于1999年，集科研、设计、生产、经营于一体，专业生产和销售凿岩钎具、矿山配件、工程工具、岩土钻掘工具、铣刨机用铣刨齿、铣刨机刀头、路拌机刀头、煤矿用截齿、各种型号的采煤机用镐形截齿、刀形截齿、掘进机用掘进齿、盾构刀具、地铁盾构机用盾构刀具及各种型号的矿用钻头、岩石钻头、锚杆钻头、工程用旋挖截齿、旋挖钻机用旋挖齿、掘进机截齿、旋挖齿、斗齿、齿座和各种凿岩钎具包括一字钎头、十字钎头、球齿钎头、钎套、钎尾、钎杆等。

7 Mm casing drilling technology in batch drilling on the Chenghai-1 platform in Dagang Oilfield was introduced in detail,including tools used in casing drilling,structures and principles of casing driver and the casing shoe,major equipment requirements of casing drilling,drilling process,and cementing techniques without drilling rig.

mm套管钻井技术在大港油田埕海一号平台批钻井中的应用情况，包括套管钻井使用的工具———套管钻井驱动器和套管钻鞋的结构和工作原理；套管钻井的主要设备要求、工艺流程以及无钻机固井工艺。

Based on the study of the geological characteristics of drilling engineering at the Tongnanba belt, it is proposed to adopt optimal gas drilling, foam drilling, vertical drilling, compound drilling, rotary drilling and other drilling-oriented approaches to promote the fast and vertical drilling, to optimize the casing program and determine the appropriate casing sealing points to get proper hole sizes, to optimize drilling fluid performance to improve its anti-sloughing and lubrication capability, to stress bit selection to improve rock-breaking effects, and to take concrete lost circulation control measures to reduce non-productive time.

通过对通南巴构造带工程地质特征的研究，提出如下对策：①优选气体钻井、泡沫钻井、垂直钻井、复合钻井、旋转导向钻井等钻井方式，促进防斜打直、打快；②优化井身结构设计，合理确定必封点，科学确定井眼尺寸；③优化钻井液性能，提高防塌、润滑效果；④强化钻头选型，提高破岩效果；⑤细化防漏堵漏措施，减少非生产时间等。

Employing modern deep drilling techniques, Chinese Continental Scientific Drilling Project is to drill a 5000 meter deep hole in the eastern part of Dabie-Sulu ultra-high pressure metamorphic belt that has global geoscientific significance.

中国大陆科学钻探工程(Chinese Continental Scientific Drilling Program，CCSD)是利用现代深部钻探高新技术，在具有全球地学意义的大别-苏鲁超高压变质带实施中国第一口5000米科学深钻，利用从钻孔中获取的岩心及液、气态样品及原位测量数据，进行多学科综合研究，揭示大陆造山带的深部物质组成与结构构造，重塑超高压变质带形成与折返机制，探索深部流体与生物圈，检测现代地质运动，建立长期的地下观测实验站及地壳深部物质研究基地。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷