2015年6月29日 · Use the application method (underbalance, overbalance, surging, etc.) that provides the best cleanup and flow capacity in the perforations. The best-known design …

2015年10月23日 · EOP work effectively to reduce the non conformance injection. The injection after extreme overbalance was decent from zero injection to ~400 m3/d at low surface inj. …

2023年9月1日 · For example, on recently drilled wells, an overbalance tubing conveyed perforating (TCP) scenario is commonly chosen due to the presence of the drilling rig at the …

1993年10月3日 · This paper presents the concept, the mechanics, the procedures, potential applications, and the results of perforating by a "new" convention of perforating that …

2017年2月4日 · For 25 years, standard completion procedures have relied on a rela-tively large static pressure differential, or underbalance, to eliminate or minimize perfo-rating damage. …

2022年4月21日 · In a natural completion, the most critical consideration is whether to select overbalance or underbalance perforation. If improvement in the well cleanup from …

2001年9月30日 · "Extreme Overbalance Perforating and One-Trip Perforate and Gravel Pack-Combination of Two Techniques for Successful High Rate Gas Well Completions in the Ha'py …

1996年9月1日 · Perforating and surging techniques using very high wellbore pressures promise dramatic, cost-effective improvement in initial well productivity - under the right conditions. But …

1994年1月1日 · The application of extreme overbalance perforating, by Oryx Energy Co., is consistently outperforming the unpredictable, tubing-conveyed, underbalance perforating …

2003年5月1日 · To reduce risk and cost, Hydro has (for some fields) practiced overbalanced perforating. A perforation fluid containing viscosifier and fluid-loss-control material is spotted …