China oil network news, well logging company of Changqing division in Changqing oilfield well Anping 68 successfully completed the first domestic 3.5 inch slim hole horizontal well hydraulic pumping bridge plug and perforation (hereinafter referred to as the bridge for the construction task ISSF).
Slim hole horizontal well hydraulic pumping bridge is a new technology combined with the Changqing division of the transformation of old wells in Changqing oilfield. At present, 5.5 inch casing wells bridge has ISSF as a mature technology in Changqing Oilfield has been widely used, but in the 3.5 inch casing in the horizontal wells construction it is the first time in china.
Slim hole bridge as well because of the ISSF restrictions on related construction tools, perforation equipment, pump control more stringent requirements. The time before the construction of Changqing division of technical personnel to collect large amounts of data, analysis and judgment in advance the construction problems of site and make plans, successfully solve the technical problems, the deep slim hole horizontal well hydraulic pump displacement and winch speed control is realized, the construction of bridge plug packer and perforating a successful ignition the rate of 100%.
The successful completion of this test indicates that the technology of bridge plug perforating in Changqing is in the leading position in China, and it also provides a new technical means for the development and application of similar wells.
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