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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。
- 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。
- 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 static pressure at the sample surface is also recorded. 試件表面處的靜壓也能記錄下來(lái)。
- Please pull out of hole and change bottom hole assembly! 請起鉆,換下部鉆具結構!
- The given reservoir dimensionless pressure express formula and pressure drop curves can be used in condensate gas wells and the gas wells with accumulated fluid in bottom hole. 給出的氣藏無(wú)量綱壓力表達式及壓降曲線(xiàn)，還可適用于凝析氣井及井筒帶積液的氣井。
- The influence of wellbore storage, skin factor, interporosity flow coefficient and elastic storativity ratio to the bottom hole pressure of the observation well were analyzed. 分析了井筒儲存、表皮系數、竄流系數以及彈性?xún)θ荼葘τ^(guān)測井井底壓力的影響。
- It is important for directing timely the drilling engineering to forecast and try to get the data under the undrilled sub bottom hole pressure during the drilling. 在鉆井過(guò)程中,準確求取或預測出井底以下尚未鉆遇地層的壓力,對實(shí)時(shí)指導鉆井作業(yè)具有重要的意義。
- The work principle of HTG is that medium quality in oil tank is measured with the method that static pressure of bottom of oil tank is measured with pressure or differential pressure transmitter. 靜壓法儲罐計量系統（HTG）的原理就是用壓力或差壓變送器測量油品介質(zhì)作用在罐底部靜壓的方法來(lái)測量?jì)迌冉橘|(zhì)質(zhì)量。
- Slug flow appears very often in swabbing well and usually results in complexity of bottom hole pressure change,and swabbing recovery may make bottom hole pressure more unforeseeable. 抽汲井極容易出現段塞流而導致井底壓力變化非常復雜,采用的抽汲生產(chǎn)將進(jìn)一步加劇井底壓力的不可預見(jiàn)性。
- For best results in measuring static pressure, a piezometer ring should be used. 為了測靜液壓能取得最好的結果，應該用環(huán)形流壓計。
- Fume hood shall be designed to minimize static pressure loss. Bell shaped exhaust collar configuration shall be provided. 通風(fēng)柜的設計要減少靜壓損失。因此一般在排氣口附件采用鐘型設計。
- 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。
- The characteristic of static pressure profiles in supersonic combustor was analyzed. 對超聲速燃燒室內的靜壓分布特點(diǎn)作出了分析；
- A formula for calculating lateral static pressure on shallow silo wall is derived by global equilibrium method. 采用總體平衡方法給出了淺圓倉散體靜態(tài)非線(xiàn)性分布側壓力計算公式。
- 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。
- Experimental results show that the static pressure distributions are changed due to the coolant air. 實(shí)驗結果表明，冷氣噴射改變了葉片型面靜壓分布規律；
- 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。
- But along with the raising of the exh aust air static pressure, the disturbance of noise also exceeds the limit. 但隨著(zhù)排氣靜壓的提高，噪聲干擾也明顯超標。
