鉆粒鉆的孔 的英文怎麼說
中文拼音 [zhēnlìzhēndekǒng]
鉆粒鉆的孔
英文
shothole-
Since the pebble structure is of big pellet easy to be permeated ant it is difficult to smash and drill, the appliance with big diameter and deep cast - in - place pile has been greatly restricted
卵石地基具有顆粒大、透水性強、進尺和破碎困難、容易垮孔等困難,限制了大直徑深孔鉆孔灌注樁在其中的應用。By drilling to weak position, the jet - grouting technique breaks through and mixes with soil and stone of dam foundation to form diaphragm - wall
高壓噴射灌漿可由鉆機鉆孔至需處理的薄弱部位,通過高壓射流的沖擊攪拌,水泥漿在噴射范圍內與地層土石顆粒摻混攪合后形成防滲墻。Laser hole boring effect due to the large ponderomotive force is observed on the surface which is verticle to the magnetic field
在垂直於激光磁場的平面( e面)上,觀察到激光有質動力向兩側推動粒子產生鉆孔效應。To achieve the objective of protecting reservoir during drilling, the common means is to add proper graded temporary plugging materials, coupled with colloid filling particles in upper drilling fluid based on the average radius of pore throat in reservoir, which converts upper drilling fluid to reservoir protection fluid
摘要在鉆井過程中,為達到保護油層的目的,通常根據油層的平均孔喉半徑,在上部鉆井液中加人合適粒徑的暫堵劑,再配合膠體填充粒子將其改造為對油層具有保護作用的鉆井液。Many bore holes in shuangwangcheng reservoir which lies in the sedimentary area are drilled and lots of terra drill data are collected. five typical sections, i. e. section i ? i, ii ? i, iii ? ii, iv ? v ' and v ? v are drawn. the vertical sedimentary sequence of this sedimentary area is divided cbmbining the granularity features of sediments
課題組與山東省水利勘測設計院合作,對湖區內的雙王城水庫進行了鉆探研究,搜集了大量的地質鉆孔資料,經沉積物巖性特徵分析,繪制出雙王城水庫外圍1km處圍繞水庫的5個典型剖面(即剖面? 』 、 ? 』 、 ? 』 、一』和? 』 )的剖面圖,結合沉積物粒度特徵,劃分出該沉積區的垂向沉積序列。分享友人