FIELD: oil and gas industry.
SUBSTANCE: wellbore curve maintenance system comprises a pigtail adapter having the first component making a bending angle in regard to the second component by a universal connector and a spring unit adjusted to change bending stiffness of the first component in regard to the second one. The pigtail adapter contains a sensor additionally to measure movement of the first component in regard to the second one. The wellbore curve maintenance system contains an auxiliary drive system, which receives data from the sensor and responses to reduce vibration.
EFFECT: improving potential borehole deviation.
18 cl, 3 dwg
