Download Advanced Well Completion Engineering, 3rd Edition by Wan Renpu PDF

By Wan Renpu

As soon as a average fuel or oil good is drilled, and it's been demonstrated that commercially workable, it needs to be "completed" to permit for the circulation of petroleum or normal gasoline out of the formation and as much as the skin. This strategy comprises: casing, strain and temperature assessment, and the right kind instillation of kit to make sure a good stream out of the good. lately, those strategies were drastically superior by means of new applied sciences. complex good crowning glory Engineering summarizes and explains those advances whereas supplying specialist recommendation for deploying those new step forward engineering structures. The e-book has subject matters: one, the assumption of stopping harm, and fighting formation from drilling into an oil formation to placing the good advent degree; and , the usage of nodal approach research procedure, which optimizes the strain distribution from reservoir to good head, and performs the sensitivity research to layout the tubing diameters first after which the construction casing measurement, with a view to in attaining entire method optimization. With this ebook, drilling and creation engineers will be capable of increase operational potency via employing the most recent state-of-the-art expertise in all elements of good crowning glory in the course of improvement drilling-completion and paintings over operations.One of the single books dedicated to the most important applied sciences for all significant elements of complicated good of completion activities.Unique insurance of all elements of good of entirety actions in response to 25 years within the exploration, creation and final touch industry.Matchless in-depth technical recommendation for reaching operational excellence with increase strategies.

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Extra resources for Advanced Well Completion Engineering, 3rd Edition

Example text

The degree of salt sensitivity damage is evaluated, and the conditions generating salt sensitivity are determined in accordance with the change in permeability with FIGURE 1-7 Water sensitivity experiment curve of core. CHAPTER 1 salinity. In light of practical conditions, two types of salt sensitivity evaluation experiments (increasing and decreasing salinity) should be done. In the salt sensitivity evaluation experiment of increasing salinity, the first stage of salt water is formation water, and salt water salinity is increased in stages in accordance with a specific concentration difference, until the critical salinity Cc2 is determined or the maximum salinity of working fluid is reached.

These sieves are placed on an acoustic or mechanical sieve shaker. After vibrating and sieving, the grain mass in each sieve is weighed, thus obtaining grain size analysis data of the sample. 0372 mm (silt). Figure 1-4 shows results of grain size analysis of the tertiary reservoir in the Liaohe oil field. The used grades of screen grids include 50, 60, 70, 80, 100, 120, 140, 170, 230, 325, and 400 meshes. 06 mm. The sample is determined as medium-grained sandstone in accordance with the interval of main peak of the grain size distribution.

When arriving at the reservoir, the steam condenses and mixes with the formation water. Then, the various changes of the clay minerals in the reservoir will take place under participation of the other minerals. The following potential formation damage is mainly dependent on formation mineral CHAPTER 1 Basis of Well Completion Engineering 21 properties, fluid composition, and formation temperature. For a heavy oil reservoir with a shallow depth, the main result of the water– rock reaction at temperature 200–250 C is the dissolution of quartz and kaolinite and the generation of analcite and smectite.

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