Free Point Indicator Tool

The Free Point Indicator Tool (FPIT) is a φ35mm 4-arm free point anchor driven by a DC motor, mainly used to accurately identify the free point position. The tool is composed of casing collar locator cartridge, upper anchor cartridge, electronics cartridge, sensor cartridge and lower anchor cartridge, among which upper and lower anchor cartridges are the same. During logging process, upper and lower anchor cartridges anchor the tool onto pipe string inner wall. When torque or pulling force is applied on pipe string from surface, the pipe string deforms. The sensor cartridge transforms the deformation into electric signal, which is then transmitted to the surface after electronics processing. The free point position is identified via signal analysis.

●    Free point determination of stuck pipe in drilling

●    Free point determination of stuck pipe in workover

●    Reliable circuit by magnetic latching relay

●    Easy recognition of 6 statuses by different frequencies

●    Special vibration signal processing for higher reliability

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We have our own affiliated Mechanical Machining Center, serving for our R&D and manufacturing. It also provides machining services for external clients, especially for machining of complicated and highly-required parts.

We have a near 20000 SQR FT anti-static workshop, equipped with up-to-date testing tools and instrument, as well as advanced production, machining and inspection equipment. Currently, there are totally 120 personnel in production department, 60% of who owns industrial experience for more than 10 years, involving disciplines like electronics application, information engineering, electromechanics, machining and electronic assembly. We have formulated a series of manufacturing process standards to effectively ensure products reliability. Parts from elements to sensors are all from renowned suppliers for quality assurance. To further improve products quality, we have established quality assurance system in line with API Q1 specifications and ISO9001 standards and strictly abide by API Quality Management System. In 2008, we passed API Q1 and ISO9001 Quality Management System certification.

We focus on research & development of new cased hole logging tools, and application of new technologies and methods to replace traditional logging methods and help service companies adopt new technologies and to lead the industry. The R&D is developing from current cased hole logging to integrated cased hole solution, from singular wireline logging to integrated application of wireline, slickline and coiled tubing (WL/SL/CT) logging. We have been paying close attention to the demand of new technology, new method, new material, new technique, and new tools from the future shear gas, coal gas and other new energy fields, as well as information resources, technologies and product development opportunities from combining sections among different industry chains of cased hole logging. R&D team are rich in professional experience, covering mechanical, electrical, optical, software, and other disciplines to ensure 2-3 new products could be launched every year. Our comprehensive designing competence ranks top in the industry.