TAILIEUCHUNG - Reservoir Formation Damage Episode 3 Part 10

Tham khảo tài liệu 'reservoir formation damage episode 3 part 10', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Formation Damage Control and Remediation 707 cases such as open hole completions Bennion 1999 . Because formation damage is usually nonreversible it is better to avoid formation damage rather than deal with it later on using expensive and complicated procedures Porter 1989 Mungan 1986 . In many cases remedial treatments may also cause other types of damages while the intent is to cure the present damage problems. When asked Is it more cost effective to prevent formation damage or bypass it JPT 1994 SPE reprinted by permission of the Society of Petroleum Engineers some experts replied as following McLeod There is no universal answer for this question. Often the formation quality determines whether it is more cost effective to prevent damage or to remove it or bypass it later by acidizing or hydraulic fracturing. Generally damage prevention is more cost effective than removing or bypassing damage later. Peden Prevention of damage must be cost effective but it requires a greater understanding of the physics of the processes as well as an improvement both in our predictive and operational techniques. Bypassing damage can never be an attractive alternative to damage minimization. Penberthy If it is more cost effective to prevent damage then that is probably the best solution. If an effective inexpensive acid job or a minifrac treatment is less expensive than the cost of the completion fluid the post-treatment approach probably should be selected. Some of the other comments of the experts are quoted in the following from JPT 1994 Burnett If there is existing formation damage in a well there are three choices live with it fracture or perforate past it or use some means of removing it. The choice depends upon economics and technology. The key to formation damage cleanup is understanding what has caused the damage. The damage may be caused by tenacious filter cakes particle invasion into the rock and or fluid-filtrate chemical damage. Many of US believe that particulate .

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