Sand Control: Achieving Maximum Well …
Active sand control is the most common and implies the use of mechanical devices, typically a pipe with different types of slots or a screen; it can be also the use of …
WhatsApp: +86 18221755073Active sand control is the most common and implies the use of mechanical devices, typically a pipe with different types of slots or a screen; it can be also the use of …
WhatsApp: +86 18221755073However, wind-blow sand seriously damages the smoothness of the desert highway and, in this case, mechanical sand control system (including sand barrier fences and straw checkerboards) was used early in the life of the desert highway to protect the road. Unfortunately, more than 70% of the sand barrier fences and straw checkerboards have lost ...
WhatsApp: +86 18221755073All mechanical sand-control methods influence the change in flow from the reservoir to the production string. Such flow disturbance (convergence) creates higher pressure loss that is defined as skin. Using numerical analysis …
WhatsApp: +86 18221755073A novel chemical-consolidation method based amino resin system of sand control systems in the oilfield is reported. This sand control technique is more superior to the conventional method owing to its advantages such as the outstanding resistance and lower density as well as simple process preparation. The apparent density of the resin system ranges from 0.528 g/cm 3 …
WhatsApp: +86 18221755073Mechanical sand control is a physical sand control technique that involves inserting filling tools and sand control pipes into the wellbore, and then filling gravel outside the pipe to prevent sand ingress. In its application, there are two common forms: sand control pipe technology and improved sand control pipe technology - gravel packing ...
WhatsApp: +86 18221755073The mechanical sand control method blocks the coarser particles in the formation sand, allowing some finer particles to pass through the sand plugging medium, forming a step-by-step bridge and achieving blockage balance to achieve the goal of sand control (Yanlong et al., 2017).
WhatsApp: +86 18221755073Theoretically, CHFP with a carefully designed fracture, avoiding fracturing into adjacent weak zones and implemented successfully by achieving a good control of fracturing propagation as shown by having a good tip …
WhatsApp: +86 18221755073Performances Of Mechanical Sand Control Systems In A Well System Different sand control systems are employed in different conditions. Weingarten et al. (2012) asserted that conventional sand control methods, such as chemical consolidation, wire wrapped screens, gravel packing, frac-and-pack, expandable screens, etc., are implemented based on a ...
WhatsApp: +86 18221755073Under simulated conditions typical of a high-temperature, high-pressure (HTHP) oil and gas reservoir in the South China Sea, dynamic corrosion evaluation experiments were performed on a three-layer screen structure and three types of sand retaining media. The results showed significant variations in corrosion morphology and rates among different screen …
WhatsApp: +86 18221755073Sand production control methods include restrictive production rate, mechanical methods (slotted liner, wire-wrapped screen, pre-packed screen, frac-pack, gravel pack, high-rate water pack) and chemical consolidation that chemical method is considered for more effectiveness in sand production alleviation due to increasing formation strength in ...
WhatsApp: +86 18221755073That means that sand control often result with reduced well production. Control of sand production is achieved by: reducing drag forces (the cheapest and most effective method), mechanical sand bridging (screens, gravel packs) and …
WhatsApp: +86 18221755073There are two main types of sand control methods: mechanical and chemical (Safaei et al., 2023). Mechanical sand control is using sand control equipment to …
WhatsApp: +86 18221755073Mechanical sand control is a physical sand control technique that involves inserting fi lling tools and sand control pipes into the wellbore, and then fi lling gravel outside the pipe to prevent ...
WhatsApp: +86 18221755073This paper compares the sand control characteristics of metal with two different conventional mechanical sand control screens supplied by manufactory, under similar conditions, loads, and formation sand. The metal based sand control screen improves the sand retention, and reduces the flow resistance by 16.6%.
WhatsApp: +86 18221755073Mechanical control of drifting sand used to protect the Qinghai–Tibet Railway from sand damage inevitably results in sand deposition, and the change in radiation and heat flux after the ground ...
WhatsApp: +86 18221755073Strategies for managing sand production have evolved from applying mainly mechanical sand control methods to including sophisticated perforating techniques that prevent or eliminate produced sand during the life of a well. Historically, whenever the risk of sand production existed, the approach to managing it typically relied on conventional ...
WhatsApp: +86 18221755073At present, the mechanical sand control tools used at home and abroad have the advantage of short well-occupiing period. However, due to the complexity of the tools and the use of slip structures, there are problems of difficult post-processing and high sand control costs [3–6]. In order to meet the requirements of large-scale sand addition
WhatsApp: +86 18221755073The following methods control sand production: production rate control, mechanical sand control methods, chemical and control methods, and oriented perforation. One of the …
WhatsApp: +86 18221755073Besides, the mechanical sand-control technology using the sand-screen installation against unconsolidated shallow reservoirs are also applied as compliment of DB-SCON ...
WhatsApp: +86 18221755073The course reviews fundamental sand control design for heavy oil development with a focus on cold primary production and thermal application. It goes on to detail the mechanisms, …
WhatsApp: +86 18221755073(Morita and Boyd, 1991; Bianco, 1999; Saurabh and Keka, 2016). Sand control is significant for the hydrocarbon production in the unconsoli-dated formations because of the serious problems caused by sand pro-duction, and it includes many techniques (Abass et al., 2002; Dong, 2011). For the mechanical sand control method, mechanical screens are
WhatsApp: +86 18221755073Hence, sand control is required for sand production in oil and gas wells. Mechanical sand control screen is the most commonly used method of sand control, but it is easy to be plugged during ...
WhatsApp: +86 18221755073·Other mechanical sand control methods i.e. non-gravel packed screens and external casing packers. ·Special sand control applications including horizontal wells, fracpacking, and the Auger system. Two main objectives were pursued when preparing this chapter: . To provide all the required information for designing a mechanical sand control ...
WhatsApp: +86 18221755073The consequences and mechanisms of sand production, the factors influencing sand production capacity (i.e., sand production causes), as well as the remedial options were discussed.
WhatsApp: +86 18221755073The installation of sand screens in open-hole completions in the wellbore is crucial for managing sand production. The main reason for using standalone screens in open-hole completions is their relatively reduced operational complexity compared to other sand control technologies. However, directly applying the screen to the bottom of the hole can lead to an …
WhatsApp: +86 18221755073Mechanical methods of sand control include using liners, screens or gravel packs to barricade sand production by stopping the formation. Chemical control methods include injection of resin as a consolidating material into the formation (Mathis, 2003; Xu et al., 2008). There are some sand control techniques available in the market, including ...
WhatsApp: +86 18221755073Mechanical methods of sand control use slotted liners, screens and gravel pack (or combination of both) to hold sand in formation. There are three basic design parameters here: (1) optimum slotted liner or screen slot …
WhatsApp: +86 18221755073Designing of sand control systems and practices in the past have been focused only to such variations in formation conditions and production parameters – that alter through the well life cycle. The produced sand (solids) is oil-contaminated, so due the environmental protection it cannot be thrown away without control. Thus
WhatsApp: +86 18221755073Sand production from (relatively) unconsolidated reservoirs is a frequently encountered, costly operational problem which has a significant impact on the case of well operation and the economics of oil or gas production.
WhatsApp: +86 18221755073For several decades, the issue of sand production has been addressed with sand control technologies, involving mechanical method, where sand grains are physically blocked, and chemical methods, where chemical agents are used to re-consolidate the formations and prevent sand from flowing (Dong et al., 2016, 2017a, 2017b; Hodge et al., 2002 ...
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