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取心钻头

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Drill tools, coring bit and casing bit have been designed and a complete set of equipments and tools have been formed. Rules of operation have been made to operate these equipments more proficiently.

完成了空气潜孔锤跟管取心钻具、取心钻头、套管钻头的研制,并配套了合理的设备和器具,制订了实用、操作性强的空气潜孔捶跟管取心钻进技术规程。

Wireline coring tool mainly consists of fishing mechanism, spring slips, inner and outer barrel combination, core catcher subassembly and coring bit.

绳索式取心工具主要由打捞机构、弹卡机构、内外筒组合件、岩心爪组合件和取心钻头等部件组成。

The technique of composite plating of nickel/diamond in ultrasonic field was researched and ultrasound-assisted electroplating technique for diamond bit manufacture was established.

研究了超声波作用下的钞金刚石复合电镀工艺,确定了超声波电镀金刚石钻头的制造工艺流程,并根据确定的工艺试制了Φ75.5/49绳索取心钻头进行野外钻进试验。

Based on the drilling operation of 4 Wells, this article describes the basic characteristic of coalbed methane and technical difficulties in drilling. Some technical keys as borehole quality, fresh Water drilling,fresh water coring, coal-bed methane protection are solved through application of a series of techno1ogical measures such as optimization of rock bit, optimization of drill stem, optimization of drilling parameters and string coring and etc. The experimental performance, especially in fine-grained ...

本文以四口井的施工为例,着重介绍了煤层气井的特点,并指出了钻煤层气井的几个技术难点,通过钻头优选,钻具优选,钻井参数优选,绳索式取心技术等的现场实施和应用,基本解决了井身质量,清水钻井,清水绳索取心,煤层气保护等几个方面的技术难题,文中还介绍了使用中原油田自行设计的中原9508绳索取心工具的取心情况,尤其是在粉煤层地区的取心情况,这将为今后的煤层气开发打下坚实的基础。

Due to high-quality requirements of scientific exploration well,long open-hole,long coring footage,and frequently changing lithology,the length of inner tube shoe was increased,the surface slippy degree between core catcher and inner tube sh...

针对科学探井对岩心质量要求高及该井裸眼井段长、取心进尺长、地层岩性变化频繁、取心施工难度较大等问题,采取加长刻刀座轴向长度,增加岩心爪与刻刀座表面光滑度,优选取心钻头,调整钻井液性能和选择配伍性好的钻头与刻刀座、合理的钻进参数等措施,保证了定向取心收获率,取心累计进尺103.66 m,收获率99.85%,为科学研究提供了可靠的岩心资料。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。