網(wǎng)絡(luò)釋義

用法例句

Fractal representation of rock drillability;

地層巖石可鉆性的分形表示方法

Feasibility analysis of fractal characteristics of rock drillability;

巖石可鉆性分形法的可行性分析

Theory and approach of identification of ground interfaces based on rock drillability index;

基于巖石可鉆性指標的地層界面識別理論與方法

The common method of measuring drillability was based on interior experiment.

目前確定地層巖石可鉆性的方法主要是基于室內(nèi)微鉆頭實驗測算巖心抗鉆能力,這種方法需要大量的巖心,費用高,周期長,且常常滯后于實際鉆進。

In view of many problems faced by drilling in the lower stratum in Xujiaweizi region, such as complex geologic structures, high grade value of rock drillability, low drilling rate, slow footage, and long drilling cycle, it is urgent to correctly predict the grade value of rock drillability which will provide powerful references for a better drilling plan in reasonable way.

針對徐家圍子地區(qū)下部地層的復雜情況,巖石可鉆性級值較高,鉆井機械鉆速低、進尺慢和鉆井周期長的問題,迫切需要準確預測徐家圍子地區(qū)下部地層的巖石可鉆性級值,為科學制定鉆井計劃提供有力依據(jù)。

Drillability measurement under modeling conditions of bottom hole stress is very difficult.

模擬井底應力條件測量巖石的可鉆性是非常困難的 ,而常壓下巖石可鉆性與井底圍壓下巖石可鉆性相差較大 ,遠不能滿足工程需要 ;文章通過室內(nèi)試驗 ,建立了巖石可鉆性級值與巖石力學參數(shù)的相關(guān)模型 ,再把井底圍壓下的巖石力學參數(shù)代入此模型中計算 ,可以得到井底應力條件下的巖石可鉆性級值。

Value model of rock drillability and its calculation;

巖石可鉆性級值模型及計算

Experimental Studies of Rock Drillability and Rock Mechanics of Deep Well-bore

深部井眼巖石可鉆性與巖石力學特性實驗研究

Rock drillability investigation for ultra-deep well drilling at thrust structure of Kuqa depression

庫車坳陷山前構(gòu)造超深井巖石可鉆性研究

Interaction Model between Formation and Bit during the Elliptic Distribution of Rock Drillability

巖石可鉆性呈橢球型分布時地層與鉆頭相互作用模型

physical-mechanical properties and drillability of rocks

巖石物理力學性質(zhì)與可鉆性

Study on Rock Drillability of the Tamtsag Basin

塔木察格盆地巖石力學參數(shù)和可鉆性實驗研究

This drill can bore through rock.

這臺鉆機能鉆透巖石.

A needle-shaped drill for boring holes in rock or masonry.

鉆頭，鉆石器，鉆孔器用于在巖石或磚石上鉆孔的針形鉆

Study on Electroplated Diamond Bit for Extra-hard, Compact and Weak-abrasiveness Formation;

堅硬致密弱研磨性巖層電鍍金剛石鉆頭研究

Development of the software on the diamond bit type selection according to formation rock property

根據(jù)地層巖性進行金剛石鉆頭選型的軟件開發(fā)

Study on Nonlinear Dynamics Action of Integrated Bit-Rock-Drillstring-Well System;

鉆頭—巖石—鉆柱—井壁互作用下系統(tǒng)耦合非線性動力學研究

diagonal cut rock drill plus bits

對角十字形巖石鉆頭

rock-bit interaction model

巖石-鉆頭互作用模式

rock-bit interaction

巖石與鉆頭互相作用

Geologists, scientists who study rocks,indicate the likely places to the oil drillers.

研究巖石的科學家即地質(zhì)學家給石油鉆井工指明可能產(chǎn)生油處。

Magnetic Petrology of the High Fe-Ti Eclogite from the Chinese Continental Scientific Drilling(CCSD) Main Hole

中國大陸科學鉆探主孔高鐵鈦榴輝巖的磁性巖石學

Diamond core drilling equipment conventional system

GB/T16950-1997金剛石巖心鉆探鉆具設(shè)備

drill ,electric, hand-held (incl. rock drills)

電動鉆具,手持式（包括巖石鉆具）

The strength of rock may be generally regarded as a measure of resistance of rock in breaking-up.

巖石堅固性可視為巖石抵抗破壞的一種度量。