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- But the two stage tools used to so far are mostly required to drill the rubber plug or cement plug out after the cementing job is done. 但目前所使用的雙級注水泥工具固井后均需用小鉆桿鉆除膠塞和水泥塞，費用高、時(shí)間長(cháng)。
- Keywords deep well;two stage cementing;two stage cementer;future trend; 深井;雙級固井;雙級注水泥器;發(fā)展趨勢;
- two stage cementing 雙級固井
- Gradient multi-setting cement slurry system can take the place of double stage cementing in long isolation sections in certain degree, and it displaces many advantages. 對于封固段較長(cháng)的固井作業(yè),采用梯度多凝水泥漿體系,在一定程度上可以代替雙級固井,具有很強的優(yōu)越性。
- Objective Explore the method for the estimation of sample size in two stage cluster randomization tirals. 目的探討兩階段整群隨機化設計兩組比較樣本例數估計方法。
- Two stage T1/T2 cases and two stage T3 cases were missed using the water-enema method. 應用水灌腸以后，處于T1/T2階段的患者有2例沒(méi)有診斷出來(lái)，處于T3期的有2例。
- Acrylate, DDBSA and DMF were used to react under a two stage. 丙烯酸鹽，DDBSA和二甲基甲酰胺之間的反應常常分二個(gè)階段。
- A two stage growth process for metastable pits was suggested. 提出了一個(gè)亞穩態(tài)蝕孔生長(cháng)的兩階段模型。
- The Bretton woods system broke down in two stages. 布雷頓森林體系的垮臺分為兩個(gè)階段。
- Using coconut oil as a raw material, lauric acid diethanolamide was synthesized with onepot method throngh two stage procedures, VIZ methyl esterification and amidation. 以椰子油為原料，經(jīng)一鍋法實(shí)現甲酯化和酰胺化兩步反應合成月桂酸二乙醇酰胺。
- Extracting initial strongly negative data set from positive data and unlabeled data is a base for constructing a PU-oriented text classifier by two stage frame method. 利用正樣例集合和未標識樣例集合獲取初始的最強反例集合是使用兩步框架方法構造一個(gè)面向PU問(wèn)題文本分類(lèi)器的基礎。
- The surgery consists of two stages. 手術(shù)由兩個(gè)階段組成。
- Adoping two stage method liquid-solid fermentation to produce apple vinegar and the acetobacter as better fermenting flora were selected, its processing was also studied. 采用二段式固液相結合發(fā)酵法釀造蘋(píng)果醋,對釀造菌種進(jìn)行了優(yōu)選,并對釀造工藝進(jìn)行了研究。
- The construction and connector cementing methods of Phoenix steel-cored conveyer belt are superior to the other belt. 與其他輸送帶生產(chǎn)廠(chǎng)相比對,鳳凰鋼芯輸送帶的結構及其聯(lián)接頭的膠接方式具有其獨特的優(yōu)勢。
- The evacuation was to be carried out in two stages. 整個(gè)移民安置計劃分兩個(gè)價(jià)段進(jìn)行。
- The plant will be commissioned in two stages. 開(kāi)機調試的過(guò)程分兩個(gè)階段進(jìn)行。
- The process technology of the colour spectro prisms is described with special emphasis on cementing methods of colour spectro prism series. 本文敘述了彩色分光棱鏡的加工工藝,并著(zhù)重介紹了彩色分光棱鏡組的膠合方法。
- This exercise is divided into two stages. 這項工作分兩階段進(jìn)行。
- The troops will be pulled out in two stages. 撤軍工作分兩步進(jìn)行。
- The newly developed cooling system has a high efficient two stage radiator. 最新被開(kāi)發(fā)的冷卻系統擁有高效率的兩階段冷卻。
