用FA型可视式中压砂床滤失仪对聚丙烯酰胺和棉纤维复合堵漏剂进行了室内试验研究。
Laboratory experiments were done on the evaluation of a composite lost circulation material (LCM) prepared by Polyacrylamide and cotton fibers on a FA Model Filter tester.
结合工厂多年的生产经验，对于砂性能、振实台和负压砂箱的结构以及负压浇注过程中的注意事项提出了明确的要求。
The requests for dry-sand, vibrating table, structure of negative pressure sanrl box and proceedings to be noticed in casting pro-cesss have been put forward definitely.
用水、沙、化学药物撞击它们的“高压水砂破裂法”能释放出气泡，这个过程也称“水力压裂”。
By cannoning water, sand and chemicals at them, a process known as hydraulic fracturing, or “fracking”, the bubbles can be released.
根据蒸压材料工艺学原理，使用石材厂的石粉泥浆为原料制备蒸压灰砂砖。
Based on the principle of autoclaved process, autoclaved sand-lime brick have been made using stone powder slurries from stone processing factories.
加砂压裂压力分析及应用。
它采用高孔密大孔径深穿透射孔弹和大压差抽吸炮眼清洗技术，不仅能提高油井产能，解除近井带污染，还可以改善防砂完井效果。
The technology uses deep penetration perforation charge with high perforation density and large perforation diameter and surging perforation with greater pressure differential.
通过预测，得到预防出砂的临界生产压差和临界产量。
Gained the critical production pressure difference and the critical output by the model.
利用黄金尾砂和生石灰，采用蒸压养护工艺，可生产出高质量的砌筑砖。
The gold tailing can be used to produce high quality brick by steam pressure curing technology.
气井压裂施工过程中产生砂堵在影响压裂效果的同时将会产生严重的经济损失。
In the process of fracturing operation, sand plug will affect the effects of fracturing and cause serious economic loss.
文章介绍了超正压射孔与加砂压裂联作的工艺技术原理、技术特点、工艺流程，以及该联作技术在白马庙气田的应用。
The article introduces the principle, features and procedures of joint operation techniques of overpressure perforating and sand fracturing, and its application in Baimamiao gas field.
讨论了制备用作压裂支撑剂的树脂覆膜砂使用的树脂和固化剂的选择、包胶设备及工艺。
The selection of resin and curing agent and the equipment and the technology are discussed for manufacturing resin coated sand as proppant for hydraulic fracturing.
斜井或定向井在压裂过程中，经常因出现砂堵导致施工失败。
Sand plug always occurred during fracturing in slant well or directional well.
压裂设备包括泵机组、混砂车、散装运输设备(如砂子和压裂液运送设备)以及管汇拖车等。
Fracturing equipment includes pumping units, blenders, bulk handling equipment such as sand and frac fluid transports, and a manifold trailer, etc.
酸化与加砂压裂协同作业工艺技术，是近年来针对低渗透等复杂油气藏所开展的热门新技术。
Aeidization and sand fracturing cooperation operation technology is a hot spot of new technologies developed for complicated hydrocarbon reservoir with low permeability.
借助于砂槽承压含水层模型，以氩溶解气为研究对象，模拟气体聚集或稀释的异常源产生后，其在含水层中的运移过程。
In this study a sand-box confined aquifer model is used to simulate gas transportative process in aquifer after abnormal source gas has formed by selecting argon dissolved gas as study gas.
通过孔道出砂预测模型的计算，得到了油井出砂时的临界生产压差和临界产量。
The critical production pressure drop and critical output during sanding in oil Wells were gained by the calculation with the channel sanding prediction model.
2005年对5口井进行了压裂防砂试验，取得了不错的增油效果，为类似稠油油藏防砂提供了借鉴。
Five Wells had been carried out the fracturing sand controlling test in 2005, and achieved good increase production results, which also provided a reference fors.
压裂防砂技术是一项新技术，具有防砂和增产的双重作用。
Fracturing sand control is a new technology, which has the double effects of sand control and stimulation.
另一方面，大型加砂压裂作业有效，需有机地匹配和优化储层、压裂液和工艺，并系统地控制压裂质量。
On the other hand, the effective large-scale sand fracturing requires optimum reservoir formation, fracturing fluid and techniques, and systematic control of the fracturing quality.
本文以某矿为实例简要介绍了高浓度全尾砂泵压充填采矿法技术可行性研究的内容和方法。
In this paper, taking some mine as an example, the pump backfilling mining method with high density unsized tailings, as well as its investigation in technical feasibility are introduced.
由于施工井口压力高，常规加砂压裂工艺无法实施作业。
For high well head pressure, the operation of conventional adding sand fracture treatment tech can not fulfilled.
通过工程试验，提出高强预应力混凝土管桩在砂性地基中静力压桩压桩力，并分析产生断桩的原因。
Through engineering trials, this paper brought forward the static installation pressure of PHC piles in sandy soil, and analyzed the reasons why PHC piles were caused to rupture.
采用了基岩酸化、前置液酸压裂、胶凝酸酸压裂和加砂压裂等工艺措施。
The technology measures of bed rock aciding, preflush and gelling acid fracturing, as well as sand fracturing etc. are used.
粉细砂岩油井由于埋藏浅、地层压实程度低、胶结疏松，在较大生产压差下容易出砂。
The fine siltstone reservoir is likely to produce sand under larger pressure drops because of its shallow depth, worse compaction and unconsolidated.
为解决产层套管的弯曲问题，通过建立压实、出砂引起的弯曲套管的力学模型，来解释部分层段产生相对滑动以及弯曲的机理。
To solve the problem, this paper establishes a mechanical model of casing bend to explain the relative slipping and casing bend mechanism for some layer segments.
加砂压裂是川西致密气层普遍采用的改造技术措施；
Sand fracturing is the major stimulation measure in Western Sichuan tight sandstone gas reservoir.
加砂压裂是川西致密气层普遍采用的改造技术措施；
Sand fracturing is the major stimulation measure in Western Sichuan tight sandstone gas reservoir.
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