有效鉆壓 的英文怎麼說
中文拼音 [yǒuxiàozhēnyā]
有效鉆壓
英文
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This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time
該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸反循環的方式排渣,既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立,減少了輔助作業時間。The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。The hydrodynamic propulsor takes drill fluid as power source, with the aid of the axial load produced by the pressure drop of the bit nozzle, makes the axial force act on the bit to produce wob, making up for the insufficient wob, ensuring the bit feeding smoothly and improving the penetration rate
這種推進器以鉆井液為動力源,藉助鉆頭噴嘴壓降產生的軸向載荷,使軸向力直接作用於鉆頭產生鉆壓,彌補有效鉆壓不足,保證鉆頭平穩鉆進,提高機械鉆速。Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less
其中,螺旋鉆孔壓灌混凝土成樁技術自研製以來,已在多項復合地基工程中進行了應用,較好地解決了軟弱地層成孔困難的問題,適應地質條件范圍廣,成樁速度較快,工期短、工效高;與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較,具有無振動、無污染、無噪音的優點;另外,壓入鉆桿內的混凝土為泵送免振混凝土,因此樁體質量易於保證;與泥漿護壁和干作業成孔工藝相比,螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高,樁的承載性能較好,復合地基的變形較小。Adequate preoperative fluid hydration, intensive hemodynamic monitoring, ready - prepared blood and vasopressor drugs, inspiration of 100 percent oxygen, and copious irrigation of marrow debris after reaming are useful prophylactic methods to lower the catastrophic complication during cementation
足夠的術前水分補給,手術中精細的生命徵象監視,隨時準備好的血液及增壓藥物以備不時之需,呼吸純氧以預防低血氧癥,在骨髓腔管被擴鉆后使用大量的水清洗骨髓腔管內的雜質,這些是降低骨水泥心臟血管衰竭並發癥發生的有效方法。In drilling high angle deviated holes, friction is the main factor affecting the effective wob
在大斜度定向井鉆井過程中,摩擦阻力是影響有效鉆壓的主要因素。To solve some questions about oil production declining quickly, production and injection patterns are imperfect, the low degree of reserves control, and the injection water not enough in injection well, we have taken measures such as strengthen the geologic integrated research, drill extension well and adjustment well, strengthen water injection system, and optimize fracturing techniques, which has improved reservoir development effect
為了解決產量遞減快、注采井網不完善、儲量控製程度低、注水井欠注等問題,採取加強地質綜合研究、鉆擴邊井和調整井、強化注水系統和優化壓裂工藝等措施,有效地改善了油藏開發效果。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。The gas chimney can be applied in hydrocarbon exploration in terms of ranking prospects, detecting migration pathways, distinguishing sealing or non - sealing faults, identifying potential over - pressured zone and drilling ( shallow gas ) hazards as well as assessing the sea floor stability for platform design and drilling
氣煙囪在油氣勘探工作中有其獨特的作用,可以有效地預測勘探方向、揭示天然氣的運移路徑、預測斷層的封閉性,同時利用氣煙囪還可以預測超壓和海底構造穩定性,降低淺層氣鉆探風險。The grouting test result shows that this technique of pile foundation construction is effective, it can not only increase the upper and skin friction of the cast - in - place pile, but also improve the bearing capacity of the cast - in - place pile, and gain a larger economic benefit for whole project at the same time
經樁端壓漿實驗結果表明,該技術可以增加鉆孔灌注樁樁端阻力和樁側壁摩阻力,是一項行之有效的樁基施工技術,它可有效提高鉆孔灌注樁的承載能力,同時提高經濟效益。By analyzing the several finished bridge projects, if the hollow pile foundation is adopted, we can economize subaqueous concrete consumption more than 40 per cents ; if the gr outed new technique of pile surroundings and pile toe is adopted, we can increase the load capacity 30 per cents than that of the replacement pile, and economize 20 per cents of the cost. it will show great and obvious economic and social benefits
已建多座橋梁工程採用樁周、樁底壓漿新工藝的比較分析表明,該工藝可使水下混凝土的用量節省40以上,且比傳統的鉆孔灌注樁可提高承載力30以上;節約造價20以上,具有顯著的經濟效益和社會效益。To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking
為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵體降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺旋密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。Conclusion : it is a safe, effective, with few complications and litter injury therapeutic method
結論:顱骨鉆孔擴大骨窗皮質小切口手術是一種治療高血壓腦出血安全有效並發癥少的微創手術。The prediction of bottomhole pressure is very important during petroleum exploring and drilling. it can provide the support and guarantee for the safe and effective performance of under - balanced drilling
在石油勘探及鉆井過程中,對井底壓力預測顯得十分重要,它可為欠平衡鉆井的安全和有效實施提供保證。Fourthly, some construction measures that are used to decease the compacting effect are analyzed by use of finite element method. and the impact of construction measures such as prebored hole and groove that prevent the compacting effect is discussed
4 、利用有限元對減少靜壓樁擠土效應的施工措施進行了理論分析,討論了預鉆孔與防擠土槽等施工措施的防擠效果。Moreover, a series of solution to these difficulties are brought forward : applying the theory of fold related to fault to interpret complex structural belts in piedmont : analyzing the features of the surface and underground seismic reservoir prediction and porosity model construction to predicate effectively the texture and quality of sandbodies ; using structural model to direct the construction of velocity model and process prestack migration imaging of seismic data ; utilizing interval velocity to forecast reservoir pressure : improving the drilling technology for pressure detection and prompt protection of vertical well against incline well
並針對主要難點提出了解決對策:正確應用斷層相關褶皺理論解釋山前復雜改造、開展地表井下地震儲層與孔隙建模有效預測砂體結構與質量,利用有效構造建模指導速度建模與疊前偏移成像、開展層速度預測地層壓力與鉆井壓力檢測及快速防斜打直配套鉆井技術攻關等。The bigger the effective eccentricity, the higher the upper drill string ' s lifting force, the higher the positive pressure on casing / drill string, and the more serious the wear
有效偏心距越大,上部提升力越大,套管鉆柱之間的正壓力將越大,磨損將越產重。The results of the engineering practice showed that, in the geological conditions suitable for boring with traditional percussion drills, boring with percussion drills in conjunction with post grouting technique can effectively solve the problem of the large amount of dreg deposited at the bottom of the bore, thus reducing the settlement and improving the bearing capacity of the foundation piles
工程結果表明,在適宜選用傳統沖擊鉆機成孔的地質條件下,採用后壓漿技術與沖擊鉆機成孔相結合的施工方法能有效地解決孔底沉渣量過大的難題,減少沉降量,提高基樁承載力。The results of reserch work show that the area of ca012, ca031, ca060 and the area near the shi - cun faultage are adventage exploratory targets. the succeed possibillity is bigger. but it has the high venture in all. it is suggested to frac - pack, to drill directional well to test oil in steam stimulation
研究結果表明:位於火山口附近的草12井區和草31井區、草60井區、石村斷層附近是比較有利的勘探目標,勘探成功的可能性較大,建議利用壓裂引效、鉆定向井的方法進行熱采試油,並開展全區測井約束地震反演,對油氣成藏進行更全面的評價。The paper draws some valuable conclusions : the limited bearing capacity of manual excavation filling pile is much higher than the limited bearing capacity of machine drilled filling pile ; through grouting injection around the pile shaft, the pile bearing capacity can be effectively improved ; proportion of resistance force around the pile side in total load is much larger than that of pressure on the pile tip, and the intensity of resistance force around the pile side is 30 - 50kpa on average
得出一些有價值的結論:人工挖孔灌注樁的極限承載力明顯高於鉆孔灌注樁的極限承載力;地下水位對樁基承載力有顯著影響;利用樁側注漿可有效提高樁的承載力;樁側摩阻力所佔總荷載的比例遠大於樁底壓力,樁側土的摩阻強度平均值為30 50kpa 。分享友人