简介：贝克休斯最近宣布，利用其Frac-Point EX 多段压裂系统在威廉森页岩盆地成功进行了一次24段完井作业。该项目是球阀式隔离层带项目中段数最多的项目之一。

Baker Hughes recently announced the successful running of a 24-stage completion in the Williston Basin of the Bakken shale using its Frac-Point EX multistage fracturing system (Frac-Point EX). The project represents one of the largest number of stages ever run using a ball/sleeve method for isolation.

The original Frac-Point system was designed to allow operators to pinpoint fluid placement and volume during openhole fracturing operations, while eliminating the costs and complexities of cementing and perforating. Deployed as a one-trip installation and set in place by applying hydraulic pressure, the cost-effective system provides openhole isolation between zones, zone lobes, or fault lines so that fracture fluid is delivered where needed to maximize its effect.

The Frac-Point EX extends the Frac-Point system’s capability to 24 stages. Baker Hughes states that this job was the first 24-stage Frac-Point EX system deployment.

The system was deployed on the Ogden 11-3H well for Whiting Petroleum and allowed the single-trip isolation of 24 intervals with an 8,000-psi pressure rating, while achieving high frac rates through all the ball seats. Baker Hughes states that the achievement will lower operating costs for Whiting while enhancing completion performance.

According to Bob Bennett, president of Baker Hughes’ Baker Oil Tools product line, “Lowering operating costs and increasing completion performance are top priorities for operators, given our current market environment. We believe our new system, which builds on the success and reliability of Baker Hughes’ original Frac-Point system and sets a new standard for downhole tool providers, will meet our clients’ expectations in areas like the Bakken shale and Three Forks where demand is increasing for the number of stages on a single-trip openhole completion.”

Rick Ross, vice president of operations for Whiting Petroleum Corp. said, “As our ability to efficiently drill and complete longer horizontal laterals has increased, the need to increase the number of frac stages that can be pumped with a ball/sleeve system has become critically important to Whiting. Our relationship with Baker Hughes in North Dakota has resulted in the companies jointly pushing technology for more effective and efficient completions.”

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