預先鉆進 的英文怎麼說
中文拼音 [yùxiānzhēnjìn]
預先鉆進
英文
pilot boring-
The study includes the hole color tv imagery system for drill hole, even - pole bore - hole acoustic system and acoustic meter, bore - hole multi - point consolidation apparatus, the quick camera computer - aid image for high rocky slope, image technology for layer analysis, safety monitoring technology for the section close to the dam, software for processing and forecasting the slope monitoring data, high precision geodesy monitoring automation system, etc. all the study results are new, advanced and practical, which has applied in the project and gained the obvious benefits
鉆孔彩色電視孔壁成像系統、直接橫波測井研究偶極子井下聲系和聲波儀、鉆孔多點滲壓儀及壓模系統、巖質高邊坡快速攝像微機地質素描成圖、層析成像技術、近壩庫段安全監測技術、邊坡監測數據處理預報軟體研究、高精度大地測量監測自動化系統等項目，研究成果內容新、先進、實用，已在工程中應用，效益顯著。Parameters can be interpreted through the method used in straight wells. after logging curves in horizontal wells are revised to true vertical depth, oil - bearing formation is evaluated through the comparison of wells combined with geological information. logging while drilling have great difference with ordinary cable logging especially in deviated holes and horizontal wells. comparison of cable logging and lwd carried out in different time indicates characters of mud invasion
實際解釋lwd資料時首先需對隨鉆測井資料進行預處理和標準化，然後從隨鉆測井、錄井資料中提取與巖性密切相關的參數，建立測井相-巖相統計模式，並採用灰色關聯識別方法實時判別地層巖性；採用直井的參數解釋方法進行隨鉆地層參數解釋；將水平井的隨鉆測井曲線從實際井深校正到垂直井深上，通過隨鉆測井資料與鄰井測井資料的對比解釋，並結合地質、錄井資料進行隨鉆地層含油氣性評價。In order to geosteering, log - geology model of target formation should be built according to logging data and the interpreting result of wells nearby. geosteering parameters model is created to build simulative curves. compared these curves with logging curves, the position and drilling direction of the bit can be found combined with the concrete geological situation
要實現地質導向，首先要根據鄰井的測井資料及其解釋結果建立目標層測井地質模式，然後通過建立地質導向參數的預測模型構造相應的模擬曲線，將模擬曲線與實測曲線進行對比，結合具體地質情況，確定鉆頭在目標層中的位置及其鉆進方向，及時調整井眼軌跡，使其始終保持在目標層中物性最好的部位。Abstract : tight trips often occur for hole undergauge during drilling in east sichuan oilfield. the paper analysis the causes of hole undergauge, proposes preventive and treatment measures which are to optimize design from geologic structure features, to use suitable fluid column pressure, to select different drilling fluid types, to adopt advanced drilling technology and perfect field technical management. therefore, good economic benefit will be obtained
文摘:川東構造在鉆探作業中因井眼縮徑造成起下鉆的阻卡時有發生，文中對造成井眼縮小的原因進行分析並劃分為五類因素，提出應在地質構造特徵方面優化設計，採用合適的液柱壓力，選擇不同的鉆井液類型，使用先進的鉆井工藝和完善現場技術管理等措施進行預防和處理，將取得重大的經濟效益。Experimental result and practice shows it is possible using seismic information forecasting subtle trap. integrated using geology % log, drilling data, specia ! seismic processing technique -, interpretation technique, including high precision horizon calibration technique, 3d seismic visualizing interpretation, seismic coherence analyze, attribute analyze, logging - constrained inversion, time frequency analyze, ann forecasting technique, subtle trap object is identified and interpreted. finally, advantage object of subtle trap in this area is determined
綜合地質、測井和鉆井資料，依靠先進的地震特殊處理和解釋新技術，包括高精度的層位標定技術、三維可視化解釋技術、地震相干技術、屬性分析技術、測井約束反演技術、時頻分析技術、多參數油藏檢測技術和神經網路預測等技術，對隱蔽油氣藏目標進行識別、解釋和成藏研究，最後指出工區內隱蔽油氣藏的有利目標。Upholding the principle of " keep improving, supply scientifically ", constantly increasing input, this company purchased over 30 sets of domestically top level special equipment, such as steel pretreatment line, nc cutter, nc bender, nc hydraulic pressure churn driling compound machine and hydraulic pressure plate cutting machine, and brings in worldwide latest laser beam cutter torealize special processing requirements with superior performance
本著「精益求精，科學供給」的原則，不斷加大投入，先後購置具有國內領先水平的鋼材預處理線、數控切割機、數控折彎機、數控液壓沖鉆復合機、液壓剪板機等專用設備30餘臺套，從國外引進世界最新技術的激光切割機，以其優越的性能，實現特殊加工要求。Since the inception of this project in 1998, three pre - pilot holes have been completed and the main hole has reached a depth of over 3500 m
從98年開始，已經完成3個預先導孔的鉆探工作，主孔鉆進深度已經超過3500米。According to stratum characteristics, an improved algorithm based on tri - prism model is put forward, in which methods such as core - sequence first are used in process of modeling and the pinch out of stratum is achieved with the insertion of virtual - borehole based on these, simulation of complex overturned stratum is well realized without manual operation
針對地質體的特點，提出一種三稜柱模型的改進演算法，將核心序列優先等方法運用於建模過程，同時運用虛擬鉆孔柱的方法處理尖滅，在無需人工干預的情況下較好地實現了對復雜地層倒轉現象的模擬。分享友人