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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!
- Viscosity should be maintained above 45 sec/qt. Maintain with XCD rather than with Bentonite. Monitor hole cleaning at shakers and adjust low end rheology as required. 鉆井液粘度應當保持在每夸脫45秒左右，要用生物聚合物來(lái)維護，不要用膨潤土。通過(guò)振動(dòng)篩觀(guān)察井內是否干凈，按要求把最終的流變參數調低。
- Viscosity should not be below 45 sec/qt. Maintain with XCD rather than with Bentonite. Monitor hole cleaning at shakers and adjust low end rheology as required. 要使鉆井液粘度不低于每夸脫45秒，就要用生物聚合物來(lái)維護，而不用膨潤土。通過(guò)振動(dòng)篩觀(guān)察井眼是否干凈，按要求把最終的流變性調低些。
- Computer simulation of drillstring axial vibration and online monitoring of bottom hole condition. 鉆柱軸向振動(dòng)仿真與井底狀態(tài)監測方法探討。
- Monitor hole cleaning at the shakers and adjust the low end rheology as required.The dial 6 reading should not be below 5. 通過(guò)振動(dòng)篩觀(guān)察井內是否干凈，按要求把最終的流變性能調低，旋轉粘度計在6轉的情況下，讀數不低于5。
- According to this problem,this paper proposes a modified isochronal well test with bottom hole liquid loading. 針對這個(gè)問(wèn)題,提出了一種存在井底積液時(shí)的修正等時(shí)試井資料解釋方法。
- Bottom hole pressure changes complicatedly in suction well of double porosity reservoir. 雙重孔隙介質(zhì)油藏油井抽汲生產(chǎn)將使井底壓力變化十分復雜。
- 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。
- The modified isochronal well test data with bottom hole liquid loading will have abnormity, causing a fail of processing with the original theory or much error. 摘要存在井底積液的修正等時(shí)試井資料會(huì )出現異常，使原有理論無(wú)法處理相應的測試資料或處理的結果誤差較大。
- With the fractal geometry theory, this paper puts forward a new rock drillability testing method by selecting detritus from bottom hole as object. 利用分形幾何理論，研究了鉆井過(guò)程中巖石破碎機理及形成過(guò)程，提出了一種以井底返出的巖屑為對象的巖石可鉆性測試方法。
- Monitor hole cleaning at shakers and adjust low end rheology as required.Small additions of Unical can be made to control high rheologies but in the event of serious problems Miltemp should be used. 通過(guò)振動(dòng)篩觀(guān)察井內是否干凈，按要求把最終的流變性調低，用少量的由尼克爾來(lái)控制流變性升高，如果問(wèn)題較大，就用米爾太母處理。
- The bottom hole flow physical model of a kind of PDC coring bits is established considering the effect of junk slot and teeth layout in this paper. 以一種現場(chǎng)常用的PDC取心鉆頭為原型,充分考慮排屑槽和切削齒對于井底流動(dòng)的影響,建立了與實(shí)際相接近的PDC取心鉆頭井底流場(chǎng)的物理模型。
- For the cuttings bed is unstable and it is easy to slide into bottomhole,it may be affect drilling speed and drilling safety and is the danger area of hole cleaning in directional drilling. 介紹江蘇局安徽公司現階段提高大斜度定向井井眼凈化程度的系列技術(shù)措施,由于受其有效程度所限偶發(fā)井下復雜情況和事故。
- 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。
- RSDS will control well path accurately, reduce torque and drag remarkably and improve hole cleaning condition obviously.The drilling practices of ERD will be more reliable if RSDS is used. 用旋轉導向系統RSDS進(jìn)行大位移井鉆井，可望相當準確的控制井眼軌跡，大幅度減少鉆柱所受的摩阻和扭矩，顯著(zhù)改善井眼的清潔狀況。
- In routine overbalanced drilling, the bottom hole pressure towers above the formation pressure so that the mud fluid will leak into the formation. 常規過(guò)平衡鉆井方式打開(kāi)油氣層時(shí)，井底壓力高于地層壓力，鉆井流體會(huì )向地層滲濾甚至漏失。
- The modified isochronal well test data with bottom hole liquid loading will have abnormity,causing a fail of processing with the original theory or much error. 存在井底積液的修正等時(shí)試井資料會(huì )出現異常,使原有理論無(wú)法處理相應的測試資料或處理的結果誤差較大。
