Conventional-oil sand production has been classified on the basis of distinct reservoir evolution stages: The early transient sand-production period, when some of the perforation-induced damage has been removed and the cavities may have a zone of reduced permeability around them, leading to a steep exit gradient. A stable production period with ...
WhatsApp: +86 18221755073Sand production can cause many problems. Well productivity can diminish because of wellbore failure (sand fill up). Also, disposal of produced sand is a remarkable cost operation and has the environmental effects (Rahmati et al., 2013).Moreover, loss of production time, erosion in bottom hole tubular, safety valves, chokes and bottom hole equipment, sand …
WhatsApp: +86 18221755073When the total branch length reaches 400 m, the cumulative sand production is 854.1 m 3, which is only 7 % higher than the 794.5 m 3 produced with a 300 m branch length. Notably, the increase in sand production is not linear, suggesting that within a certain length range, the impact of extending branch length on sand production diminishes.
WhatsApp: +86 18221755073Injecting polymers or nanoparticles into the reservoir can enhance its stability and prevent sand production. This account introduces and discusses the latest developments in chemical sand production control, including …
WhatsApp: +86 18221755073The sand production predictive models have been validated with downhole pressure. The wells have been side-tracked and recompleted using the new sand failure prediction, using the new formulation ...
WhatsApp: +86 18221755073Sand production in unconsolidated reservoirs has become a cause of concern for production engineers. Issues with sand production include increased wellbore instability and surface subsidence ...
WhatsApp: +86 18221755073Sand production in oil and gas wells can occur if fluid flow exceeds a certain threshold governed by factors such as consistency of the reservoir rock, stress state and the type of completion used ...
WhatsApp: +86 18221755073Abstract. Sand production is one of the major technico-economical constraints that reservoir, completion and production engineers have to take into account in order to optimize the exploitation of a reservoir in poorly consolidated sandstones.The options are essentially of two kinds:–either the installation of a sand control technique in case of unmanageable quantities of …
WhatsApp: +86 18221755073Sand production can cause the pore throats to be blocked, which in turn leads to a significant drop in reservoir permeability. 10,11 In severe cases, it can also cause the wall of wells to collapse. 12,13 Some basic experiments were conducted previously to study the controlling factors of sand production. 14,15 For example, ...
WhatsApp: +86 18221755073Among others factors, the triggers for sanding include: drilling, cementing, and completion operations; stress and pressure conditions; formation strength and weakening; and cyclic processes. Any single factor may suffice to initiate sand production. Hence, comprehending sanding entails examining various physical mechanisms concerning the interaction between …
WhatsApp: +86 182217550733 Sand Production Rate Prediction and Productivity Index Appraisal 56 3.1 Evolvement of Sand Production Rate Prediction Method 57 3.1.1 Wellsite Engineering Method 57 3.1.2 Stress‐Strain Model 58 3.1.3 Wormhole Model 60 3.1.4 Solid–Fluid Coupling Model 62 3.2 Sand Production Rate Prediction by Using Fluid–Solid ...
WhatsApp: +86 18221755073Download scientific diagram | Sand Production Mechanism [10]. from publication: Sand production: A smart control framework for risk mitigation | Due to the current global oil price, the sand ...
WhatsApp: +86 18221755073Sand control is an ongoing challenge in numerous hydrocarbon-producing wells in sand-rich reservoirs. Sand production in these wells can cause damage to equipment, reduce production rates, and lead to erosion that can damage subsea equipment, production equipment, well completions, and surface facilities. This problem can compromise the mechanical integrity …
WhatsApp: +86 18221755073When sand is produced, it is a wise move to include sand control equipment in the completion stage. There are many sand control methods which are available in the industry to counter this …
WhatsApp: +86 18221755073Sand production is considered as one of the significant production issues that significantly reduce wellbore productivity. The process of sand or solids production in production operations is one of the crucial operational inefficiencies that can lead to wells collapsing. Besides, the drilling mud might erupt through the formation.
WhatsApp: +86 18221755073Sand production is a common complex problem during oil and gas exploration and it's one of the principal challenges in different steps of field expansion planning including wellbore stability during the drilling. Sand production leads to several damages and disadvantage such as surface and down hole equipment erosion, wellbore damage, equipment ...
WhatsApp: +86 18221755073Recent publication in the Journal of Petroleum Technology described that an estimated 50% of existing wells require sand control or sand management throughout their lifetime [7].Most recent major hydrocarbon discoveries, from both transcontinental countries like Tunisia, Morocco, Egypt and in countries in Canada, US, Africa and East Asia such as …
WhatsApp: +86 18221755073The sand production during the two field trials prevented further gas production and the operations were prematurely terminated. These incidents have disclosed the adverse effect of sand production on gas extraction from gas hydrate-bearing sediments in a sustainable and controllable manner. They have also highlighted the importance of ...
WhatsApp: +86 182217550732011). However, production of sand during chemical EOR operation will reduce the production target that is aimed to achieve. Thus, the objectives of doing this project are to determine factors that caused sand production during CEOR operation, to review current sand production prediction method available to predict sand production for
WhatsApp: +86 18221755073The consequences of sand production are often detrimental to the short-long-term productivity of the well. Although some wells routinely experience manageable sand production, these are the exception rather than the rule. Sand production and its management over the life of the well is not an attractive situation but is often necessary to ...
WhatsApp: +86 18221755073Deepa Vertical Shaft Impact Crusher is specially designed for maximum sand production. When the rock impacts the anvils it shatters along natural stress lines into micro particals, These …
WhatsApp: +86 182217550735 Sand production causes many problems, including severe erosion−corrosion in surface and subsurface equipment, the occurrence of chokes in wells, various safety problems, such as well control ...
WhatsApp: +86 18221755073The intelligent production switchover solution is introduced to optimize the changeover process and solve the problem of long changeover time: break away from the traditional mode of feeding all materials during changeover. The system conducts an intelligent analysis on the material sharing of previous and next work orders, and recommends an ...
WhatsApp: +86 18221755073There is a difference between capillary force and cohesive between particles. From field practice, for example, in the North Sea oil field, a well drilled in 1981 started with a reservoir pressure of 44.13 MPa and a production rate of 795 m 3 /d, and after the supplemental perforation the production rate reached 1908 m 3 /d, and even at such a high production rate, no sand …
WhatsApp: +86 18221755073"Excessive sand production remains an issue in our industry," said Luke Holderman, vice president, Production Solutions and Pipeline & Process Services. "rap XL empowers our customers to maximize asset value through enhanced well performance and extended asset life. Through customized chemical consolidation, rap XL provides a ...
WhatsApp: +86 18221755073This paper aimed to compare different sand production control mechanisms and how to control or minimize sand production. Moreover, we consider injection pressure and …
WhatsApp: +86 18221755073Sand production may be inevitable in many fields that have a relatively low formation strength. Sand erosion and settling predictions and sand monitoring are important …
WhatsApp: +86 18221755073This study introduces various methods to control and prevent sand production in petroleum wells and evaluates their advantages and performance in tabular form. The use of chemical procedures is considered to be more …
WhatsApp: +86 18221755073Natural gas hydrate is a kind of clean energy that is still in the preliminary exploitation test stage. In recent years, research of exploration, experiment, and trial production has shown that sand production is one of the crucial issues restricting the commercial exploitation of hydrate. However, the construction of a research system for sand production and sand …
WhatsApp: +86 18221755073Problems associated with sand production include erosion of pipelines and surface facilities, wellbore intervention costs, and environmental impacts. Large amounts of sand production in a short period of time may clog up wells, damage well equipment, and destabilize wellbores due to loss of materials (Climent et al., 2014).
WhatsApp: +86 18221755073