off-drilling 中文意思是什麼
off-drilling
解釋
鉆斜孔法-
Instead of bulldozing off the clay and exposing the rock, drilling was carried out through the clay and the rock by the use of special equipment.
在這里使用特殊設備穿入土層和基巖中進行鉆眼，以取代常規的清除掉淤泥層使基巖外露的施工方法。 -
Then the article analyses the effecting elements about the economic result of blasting and puts forward some improving measures, and summarizes optimizing model on economic result of blasting both internal and overseas bearing upon. the theory is based on the blasting cost model, which proposed by dr. zhong hanrong. combining with the specialties of water and electricity engineering, starting off through blasting result, it emphasizing considers drilling cost, deep hole bench blasting cost, reblasting cost, and the cost of bottom fleet hole blasting that in mixed loading emulsion explosive blasting
本文在加拿大鐘漢榮博士提出的爆破成本模型基礎上，結合水電工程的特點，從爆破效果出發，著重考慮了應用混裝乳化炸藥爆破的鉆孔成本、深孔梯段爆破成本、二次爆破成本和爆破后根底淺孔爆破成本，以塊度、振動、安全為約束條件，以這四項成本最小為目標函數，廣泛收集各種爆破經濟技術條件，建立了爆破優化經濟數學模型。 -
The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no. 2 dark tilt well in huaibei coal mine area are introducded. they include small section enlarged after the heading caving, high negative pressure and multi - raw drilling holes and strenous drawing - off, concentrated cross drill holes, cutting while drawing - off and putting the metal frame away
介紹了淮北礦區蘆嶺煤礦2主暗斜井採用小斷面導硐后刷大、高負壓多排鉆強抽，密集交叉鉆孔邊掘邊抽及設置金屬骨架施工方法和防突措施揭穿高突特厚松軟煤層。 -
After months of drilling, oil was found off the coast.
經數月鉆探，在沿海找到了石油。 -
Target drilling sites include areas where the mantle has been brought closest to the surface by tectonic action or where the crust is relatively thin, such as the nankai trough off japan ' s pacific coast
鉆探的目標包括了某些因板塊運動而使地函接近地表的區域，或是地殼相對較薄的地方，例如日本太平洋海岸外的南海海槽。 -
The drilling technology of stratum collapseleaking off
1北油田易坍塌漏失阻卡地層的鉆井技術 -
And the author analyses and evaluates hydrocarbon source rock, caprock and trap reserving condition of work area on the base of drilling achievements of 7 emphases structure hi work area. therefore the author draws two conclusion as follow : ( 1 ) the most favorable reservoir of the work area is the spreading region of dolomite rock of carboniferous whose remaining thickness is greater than 20m with the region from jiao 1 well - cizhu 1 well - maan 1 well to west of shizhu county seat. the secondary favorable reservoir of it is the spreading region of dolomite rock with the remaining thickness greater than 10m but less than 20m which is eastern and western region of the most favorable region and the off - lying of yangdu 1 well and yangdu 2 well
本文研究主要通過地層層序、沉積相、成巖作用和儲集條件等方面對該區石炭系黃龍組碳酸鹽巖儲層進行評價和預測，並且從該區7個重點構造的鉆探成果出發進行烴源巖、蓋層和圈閉保存條件等成藏條件的分析與評價，分別得出以下結論：工區最有利的儲層是石炭系白雲巖殘厚20m的分佈區，位於轎1井?茨竹1井?馬鞍1井?石柱縣城以西地區；較有利的儲層是石炭系白雲巖殘厚10 20m的分佈區，位於級區以東及以西的洋渡1 、 2井外圍；不利的儲層是白雲巖10m及石炭系黃龍組灰巖的分佈區，位於工區西南部和東部地區。 -
That same year, a major oil spill off the coast of santa barbara, california, raised concerns about the danger of offshore oil drilling, and similar fears were raised about the impact of the proposed alaska pipeline
同一年，加利福尼亞州聖?芭芭拉發生的重大海上石油泄漏引起人們對海洋石油開采隱患的關注，而計劃中的阿拉斯加石油管道的影響也引起類似的反響。 -
Study on a electro - hydraulic servo control system with the on - off valves of the drill boom positioning mechanism of drilling robot
鑿巖鉆車脈沖數控式電液伺服系統的研究 -
The on - off controlled hydraulic system of all - hydraulic operated drilling machine generally has following disadvantages : simple function, low level of automatization, low efficiency
開關控制型全液壓鉆機液壓系統普遍具有功能簡單、自動化程度不高以及效率低下的缺點。 -
Cut off 45 meters of the drilling line
切割大繩45米
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