Post by kately on May 8, 2024 4:59:18 GMT -5
The full article can be seen：www.ericcointernational.com/application/technical-innovation-of-north-finder-in-directional-drilling.html
In military and civilian orientation, north finder is widely used. It can determine the north in static all-weather, all-round, fast and real-time, so as to determine the carrier azimuth, that is, the angle between a reference axis of the carrier and the true north direction, which is used as the azimuth reference for observation, target aiming and navigation system reset. It can also be used as a bearing reference for underground operations such as tunnels and mines in military applications, especially requiring the gyro north finder to achieve fast and accurate orientation in a short time.
1.Basic principles of north finding
The north finder uses the gyroscope to calculate the angle between the carrier and the true north direction. This system uses a gyroscope and a quartz flexible accelerometer to form a strap-down system. The sensitive axis of an accelerometer is parallel to the sensitive axis of the gyroscope. The other is along the horizontal plane orthogonal gyro and accelerometer to form an inertial assembly relative to the installation base around the vertical axis according to the command of the control system rotation of the assembly around the vertical axis rotation two positions can be solved to measure the azimuth acceleration of the inertial assembly to compensate for the vertical component of the earth rotation angular velocity.
2.Oil drilling technology
Oil drilling and development is a high-investment, high-risk, high-return, technology-intensive, capital-intensive industry, decision-making or operational mistakes will cause huge economic and social losses.
With the improvement of the exploration level of oil and gas on land and sea, the types of oil and gas reservoirs have become complicated and diversified, the proportion of low and ultra-low permeability oil and gas reservoirs has increased year by year, and the well depth has developed from shallow and medium deep to deep and even ultra-deep. The types of oil and gas reservoirs are extended from conventional to unconventional. The sedimentary type expanded from continental to Marine. Exploration and development work has entered the stage of low, deep and difficult, which poses new challenges to oil and gas exploitation. In this case, the continuous use of vertical well technology will not meet the needs of modern drilling, so the directional drilling technology came into being.
Directional drilling has always been considered "the process and science of deflecting a well in a specific direction in order to drill to a predetermined underground target." As shown by the drilling directional north finder, azimuth angle and inclination angle are two key parameters for drilling hole positioning. The key performance indexes of gyroscope and accelerometer can be tested and calibrated automatically by using the built gyro north finder software.
Product information: www.ericcointernational.com/north-finders/mems-triaxial-north-seeker-for-mining.html
Contact us:
Mobile: +8613992884879
Email: info@ericcointernational.com
Wechat: 13992884879
WhatsApp: +8613992884879
In military and civilian orientation, north finder is widely used. It can determine the north in static all-weather, all-round, fast and real-time, so as to determine the carrier azimuth, that is, the angle between a reference axis of the carrier and the true north direction, which is used as the azimuth reference for observation, target aiming and navigation system reset. It can also be used as a bearing reference for underground operations such as tunnels and mines in military applications, especially requiring the gyro north finder to achieve fast and accurate orientation in a short time.
1.Basic principles of north finding
The north finder uses the gyroscope to calculate the angle between the carrier and the true north direction. This system uses a gyroscope and a quartz flexible accelerometer to form a strap-down system. The sensitive axis of an accelerometer is parallel to the sensitive axis of the gyroscope. The other is along the horizontal plane orthogonal gyro and accelerometer to form an inertial assembly relative to the installation base around the vertical axis according to the command of the control system rotation of the assembly around the vertical axis rotation two positions can be solved to measure the azimuth acceleration of the inertial assembly to compensate for the vertical component of the earth rotation angular velocity.
2.Oil drilling technology
Oil drilling and development is a high-investment, high-risk, high-return, technology-intensive, capital-intensive industry, decision-making or operational mistakes will cause huge economic and social losses.
With the improvement of the exploration level of oil and gas on land and sea, the types of oil and gas reservoirs have become complicated and diversified, the proportion of low and ultra-low permeability oil and gas reservoirs has increased year by year, and the well depth has developed from shallow and medium deep to deep and even ultra-deep. The types of oil and gas reservoirs are extended from conventional to unconventional. The sedimentary type expanded from continental to Marine. Exploration and development work has entered the stage of low, deep and difficult, which poses new challenges to oil and gas exploitation. In this case, the continuous use of vertical well technology will not meet the needs of modern drilling, so the directional drilling technology came into being.
Directional drilling has always been considered "the process and science of deflecting a well in a specific direction in order to drill to a predetermined underground target." As shown by the drilling directional north finder, azimuth angle and inclination angle are two key parameters for drilling hole positioning. The key performance indexes of gyroscope and accelerometer can be tested and calibrated automatically by using the built gyro north finder software.
Product information: www.ericcointernational.com/north-finders/mems-triaxial-north-seeker-for-mining.html
Contact us:
Mobile: +8613992884879
Email: info@ericcointernational.com
Wechat: 13992884879
WhatsApp: +8613992884879