| 难钻进地层金刚石钻头的现状和发展趋势 |
| |
| 引用本文： | 蔡家品,贾美玲,沈立娜,欧阳志勇,阮海龙,张建元,赵尔信.难钻进地层金刚石钻头的现状和发展趋势[J].探矿工程,2017,44(2):67-73,91. |
| |
| 作者姓名： | 蔡家品 贾美玲 沈立娜 欧阳志勇 阮海龙 张建元 赵尔信 |
| |
| 作者单位： | 北京探矿工程研究所,北京探矿工程研究所,北京探矿工程研究所,北京探矿工程研究所,北京探矿工程研究所,北京探矿工程研究所,北京探矿工程研究所 |
| |
| 摘 要： | 近年来，针对坚硬致密地层、坚硬强研磨性地层以及坚硬致密泥岩地层这3类地质勘探的难钻进地层，开展了金刚石钻头相关的研究与攻关，取得了重大进步。针对坚硬致密地层，通过在胎体中添加稀土和自锐材料、低压钻头结构设计，在可钻性小于11级的坚硬致密“打滑”地层中，钻进速度可达1.5～2.0 m/h，钻头寿命达30～300 m；针对坚硬研磨性地层，通过超高金刚石工作层和优化的水力结构设计，超细预合金化粉末以及超耐磨胎体性能，使机械钻速同比提高20%～70%，钻头寿命同比提高1.4～10倍；针对坚硬致密泥岩地层，对尖齿复合片和巴拉斯钻头进行了深入的研究，钻进效率提高了50%左右。在油气田深井硬岩钻探领域，NR826系列金刚石孕镶钻头配合螺杆钻具同比牙轮钻头，机械钻速提高18%～85%，钻头寿命提高5～8倍。此外，我国在海洋深水钻探复合片钻头方面的研究也取得了长足的进步。
|
| 关 键 词： | 金刚石钻头 地质钻探 油气井钻探 金刚石复合片钻头 孕镶金刚石钻头 海洋深水钻探 |
| 收稿时间： | 2016/5/11 0:00:00 |
| 修稿时间： | 2016/7/20 0:00:00 |
Present Situation of Diamond Bit Used in Difficult Drilling Formations and the Development Trend |
| |
| CAI Jia-pin,JIA Mei-ling,SHEN Li-n,OUYANG Zhi-yong,RUAN Hai-long,ZHANG Jian-yuan and ZHAO Er-xin.Present Situation of Diamond Bit Used in Difficult Drilling Formations and the Development Trend[J].Exploration Engineering(Drilling & Tunneling),2017,44(2):67-73,91. |
| |
| Authors: | CAI Jia-pin JIA Mei-ling SHEN Li-n OUYANG Zhi-yong RUAN Hai-long ZHANG Jian-yuan and ZHAO Er-xin |
| |
| Institution: | Beijing Institute of Exploration Engineering,Beijing Institute of Exploration Engineering,Beijing Institute of Exploration Engineering,Beijing Institute of Exploration Engineering,Beijing Institute Of Exploration Engineering,Beijing Institute of Exploration Engineering and Beijing Institute of Exploration Engineering |
| |
| Abstract: | Great progress has been made in the research and efforts on diamond bits used in hard and compact, strong abrasive and mudstone formations. In hard and compact formation, by adding rare earth and self sharpening materials in bit matrix and with low pressure bit structure design, the drilling speed can be up to 1.5-2.0m/h in hard and compact slipping formation with drillability less than grade 11 and the bit service life reaches 30-300m; in hard and abrasive formation, with the ultra high diamond working layer and optimized hydraulic structure design, ultra fine pre alloyed powder and ultra wear resistant matrix performance, the POP and bit service life are increased by 20%-70% and 1.4-10 times respectively; in hard and compact mudstone formation, by the study on sharp teeth PDC bit and Baras bit, the drilling efficiency is increased by about 50%. For deep hard rock drilling in oil and gas field, compared with cone bit, NR826 series of impregnated diamond bit is used with screw drill, the ROP and bit service life are increased by 18%-85% and 5-8 times respectively. In addition, good progress has also been made in the research on PDC bit for offshore deep drilling in China. |
| |
| Keywords: | diamond bit geological drilling oil and gas well drilling diamond compact bit impregnated diamond bit offshore deep drilling |
|
| 点击此处可从《探矿工程》浏览原始摘要信息 |
| 点击此处可从《探矿工程》下载免费的PDF全文 |
|
