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| 热压人造金刚石孕镶钻头坑道生产试验情况 |
| | 1974(4) [摘要(948)] [PDF 1.20 M (285)] [HTML] |
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| 喷射式反循环钻进的探讨 |
| | 黄瑞安 |
| | 1974(4) [摘要(956)] [PDF 159.94 K (307)] [HTML] |
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| 自制液压拧管机简介 |
| | 1974(4) [摘要(1062)] [PDF 560.49 K (282)] [HTML] |
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| 试用孔内钻具润滑剂取得了很好效果 |
| | 1974(4) [摘要(1020)] [PDF 410.69 K (333)] [HTML] |
| | |
| 关于硬、韧、复杂地层的爆破方法 |
| | 余德跃 |
| | 1974(4) [摘要(1031)] [PDF 315.20 K (286)] [HTML] |
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| 地热勘探的一些体会 |
| | 1974(4) [摘要(1038)] [PDF 421.55 K (346)] [HTML] |
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| 水采煤芯 |
| | 李文忠 |
| | 1974(4) [摘要(1046)] [PDF 90.90 K (301)] [HTML] |
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| 大坊矿区使用泥浆的体会 |
| | 1974(4) [摘要(940)] [PDF 2.00 M (256)] [HTML] |
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| 使用“钻井粉”和“除砂器”处理泥浆的情况 |
| | 1974(4) [摘要(903)] [PDF 135.05 K (277)] [HTML] |
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| 234、2345、2234等型硬质合金钻头试验情况 |
| | 1974(4) [摘要(1017)] [PDF 945.85 K (282)] [HTML] |
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| 外丝钻杆折断、甩脱引起穿插、夹挤事故的预防和处理 |
| | 郑仕善 |
| | 1974(4) [摘要(1086)] [PDF 631.06 K (281)] [HTML] |
| | |
| 深井泵抽水试验简介 |
| | 贵州地质局116队双革组 |
| | 1974(4) [摘要(1176)] [PDF 1.03 M (311)] [HTML] |
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| 水压割管器在起拔套管中的应用 |
| | 1974(4) [摘要(1185)] [PDF 156.73 K (370)] [HTML] |
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| 直径42毫米小口径井下测斜仪改制成功 |
| | 1974(4) [摘要(1007)] [PDF 86.95 K (281)] [HTML] |
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| 介绍一种打捞钻杆的活动勾子 |
| | 徐光鑫 |
| | 1974(4) [摘要(999)] [PDF 597.67 K (332)] [HTML] |
| | |
| 提高复杂地层岩、矿心采取率的双管钻具 |
| | 1974(4) [摘要(1152)] [PDF 212.12 K (359)] [HTML] |
| | |
| 长江牌200/40型泥浆泵简介 |
| | 1974(4) [摘要(1025)] [PDF 248.13 K (346)] [HTML] |
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| 离心割管器的应用 |
| | 徐光鑫 |
| | 1974(4) [摘要(1042)] [PDF 152.38 K (304)] [HTML] |
| | |
| 对油压转盘甩油的分析和改进意见 |
| | 夏惠斌,吴连生 |
| | 1974(4) [摘要(1081)] [PDF 55.72 K (357)] [HTML] |
| | |
| 直流发电机改制谐波励磁交流发电机 |
| | 贵州地质局116队双革组 |
| | 1974(4) [摘要(963)] [PDF 138.38 K (294)] [HTML] |
| | |
| 修旧利废简介 |
| | 皮积瑶 |
| | 1974(4) [摘要(1078)] [PDF 977.31 K (279)] [HTML] |
| | |
| 岩心钻探通俗讲座 |
| | 刘励慎 |
| | 1974(4) [摘要(1000)] [PDF 606.97 K (307)] [HTML] |
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