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- This is the BHA[bottom hole assembly] log. 這是井下鉆具組合的記錄本。
- Make up bottom hole assembly (BHA). 組合下部鉆具。
- Please pull out of hole and change bottom hole assembly! 請起鉆,換下部鉆具結構!
- A kind of rotary steering stabilizer used in a common rotary bottom hole assembly to control well path was developed. 在普通旋轉鉆具的基礎上,研制了一種旋轉的近鉆頭穩定器,它可以將鉆柱穩定在井眼截面的需要位置,以控制井眼軌道。
- The basic assumptions, equations and boundary conditions for bottom hole assembly (BHA) analysis were discussed. 討論了下部鉆具組合分析的基本假設、基本方程和相應的邊界條件。
- With the progress of drilling technology, bottom hole assembly (BHA) has been developed rapidly to control well trajectory. 隨著(zhù)鉆井技術(shù)的進(jìn)步，以控制井眼軌道為目的的下部鉆具組合發(fā)展迅速。
- A mechanical model of bottom hole assembly (BHA) with eccentric bits is established and the solution of this model was given by means of numerical method. 采用靜力分析的方法,建立了偏心鉆頭底部鉆具組合的力學(xué)模型,并完成了對力學(xué)模型的求解。應用數值計算方法,分析了偏心鉆頭底部鉆具組合的受力和變形特性。
- The tangency point of Bottom Hole Assembly is located at where the drill string just touches the wall of the borehole, and the contact force is zero here. 在計算底部鉆具組合的受力和變形時(shí),以前一般都是按彎矩為零的條件來(lái)確定其上切點(diǎn)的位置。
- Make up bottom hole assembly. 組合下部鉆具。
- The paper presented 3 kinds of bottom hole assembly, analysed the advantages of downhole steering technique, discussed the problems such as rock carrying and recommended some solutions. 給出了3種鉆具組合形式，分析了井下導向技術(shù)的優(yōu)勢，探討了攜巖等技術(shù)問(wèn)題并推薦了解決辦法。
- Considering the design parameters effect on the drilling tendency,the conception of drilling tendency angle was proposed as an evaluation index for the bottom hole assembly(BHA) design. 考慮鉆具的設計參數對鉆進(jìn)趨勢的影響,提出了鉆進(jìn)趨勢角的概念,以此作為底部鉆具組合設計效果的評價(jià)指標。
- A new method for two-dimensional analysis on bottom hole assembly 底部鉆具組合二維分析新方法
- Keywords deep well;drilling;casing program;bottom hole assembly;Futai Oilfield; 深井;鉆井;井身結構;鉆具組合;富臺油田;
- Keywords slim hole bottom hole assembly（BHA） nonlinear force analysis model; 小眼井;鉆具組合;非線(xiàn)性;力分析;模型;
- Suitable position of stabilizer at bottom hole assembly fitting an off-balance bit 偏心鉆頭底部鉆具組合穩定器的適宜安放位置研究
- Dynamic Analysis of Bottom Hole Assembly with Eccentric Sub and Its Motion Simulation Research 帶偏軸接頭下部鉆具組合動(dòng)力學(xué)分析及其運動(dòng)仿真研究
- Research on Motion State of Bottom Hole Assembly and the Evaluation Method of Drilling Tendency 底部鉆具組合運動(dòng)狀態(tài)及鉆進(jìn)趨勢評價(jià)方法研究
- Keywords deviation control;penetration rate;hole enlarger;bottom hole assembly;H96-2 Well; 井斜控制;機械鉆速;井眼擴大器;鉆具組合;H96-2井;
- Keywords steerable bottom hole assembly combined drilling rotary speed hole diameter steering capacity; 導向組合;復合鉆進(jìn);轉速;井徑;導向力;
- Keywords drill stem mechanics;bottom hole assembly;steerable assembly;mathematicalmodel; 鉆柱力學(xué);下部鉆具;導向鉆具;數學(xué)模型;
