475 RSS + WPR: Successful GeoSteering of Lateral Well Section In Western Siberia With SureSteer™-RSS™ Plus SureLog-WPR™ Resistivity Tools

Wallingford, CT, USA – October 19, 2018

APS Technology, Inc. today announced the successful deployment of the SureSteer™-RSS™ 475 Rotary Steerable System with the SureLog WPR™ Wave Propagation Resistivity, SureShot™ Gamma Sensor, and SureShot™ Digital Directional Sensor in Western Siberia by IDS Navigator service company. The RSS™ bottomhole assembly was selected to complete a 155.6mm lateral well section when a steerable motor assembly lost its steerability 800m into the section. A final 213m was successfully steered and drilled in 8.6 hours, averaging 24 m/hr. This section to well total depth at 4110m was precisely geosteered with the SureLog WPR™ Wave Propagation Resistivity, SureShot™ Gamma Sensor, SureShot™ Digital Directional Sensor, and near-bit inclination measurements, varying and controlling the inclination between 90.8° and 87.5° within the target payzone. IDS Navigator operators experienced confident and predictable RSS tool performance, including the ability to downlink steering instructions while drilling.

APS Technology, Inc. builds MWD/LWD and drilling systems for the independent directional drilling market. With over 700 WPR™ tools and a growing fleet of RSS™ tools in service worldwide, APS gives our customers the opportunity to compete for LWD and rotary steerable work previously handled almost exclusively by the major service companies. The SureSteer™-RSS™ system is integrated with the SureLog™ WPR™ LWD system into a package that provides real-time and memory LWD and directional data with transmitted feedback on RSS™ health and operational modes.

RSS Rotary Steerable System

About APS Technology

APS Technology, Inc. is a leading provider of Measurement While Drilling (MWD); Logging While Drilling (LWD); Rotary Steerable Systems (RSS); Drilling Systems and Drilling Optimization and Vibration Management products for oil and gas drilling. APS has deep engineering expertise in the design, development and manufacture of oilfield electronic, mechanical, instrumentation, sensor and software products; shock and vibration isolation designs; stress analysis for static and rotating conditions; and mechanical and electronics analysis for harsh environments. APS's customers include all of the major integrated multinational oilfield service companies, service divisions of national oil companies, independent directional drilling companies, MWD service companies and oilfield companies engaged in non-drilling related services. APS also provides product development services and proprietary products to customers worldwide.

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