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Estimation of accuracy characteristics of the control parameters of angular deviations of the tiltmeters initial orientation installation sites during hydrofracturing

Authors: G.A. Tsvetkov, G.P. Khizhnyak (Perm National Research Polytechnic University, RF, Perm), A.V. Shumilov (Permneftegeofizika OAO, RF, Perm), I.A. Chernykh (LUKOIL-PERM LLC, RF, Perm)

Key words: measuring navigation heads, tiltmeter , well, coordinates inaccuracy and receiver orientation, accelerometer , orientation, spatial angular horizon and azimuth deviation, azimuth mismatch of installation sites for equipment of monitoring and diagnostics of cracks development.

The problem of creating an automated measurement system using instruments and inertial navigation means , allowing to increase the accuracy of measurement of the angular mismatch of installation sites for scientific equipment , taking into account the dynamic measurement error, is considered on the basis of the executed research , hydrofracturing parameters control analysis . Enhancing the functionality of the measuring system is achieved by an additional measurement of spatial angular deviations, the angle of azimuthal mismatch of installation sites. The estimation of the accuracy characteristics of spatial angular deviations of installation sites for equipment for well logging fr om calibration errors, installation inaccuracy, tilt angles, incorrect initial orientation of devices.

References
1. Aksel'rod S.M., Real-time mode geophysical monitoring while formation hydrofracturing:
capabilities, implementations and lim itations (Based on foreign
publications) (In Russ.), Karotazhnik, 2014, V. 4(238), pp. 84–116.
2. Sashurin A.D., Balek A.E., Improvement of field measurement of stress-deformed
state of the large massif parts (In Russ.), Vestnik Permskogo natsional'nogo
issledovatel'skogo politekhnicheskogo universiteta. Geologiya.
Neftegazovoe i gornoe delo, 2014, no. 11, pp. 105–120.
3. Lyskov I.A., Musikhin V.V., Kashnikov Yu.A., Monitoring of deformation
processes the earth's surface using radar interferometry methods (In Russ.),
Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo
universiteta. Geologiya. Neftegazovoe i gornoe delo, 2010, no. 5, pp. 11–16.
4. Gubaydullin M.G., Kostin N.G., Glushkov D.V., GOHFER replicator applicatoin
for modelling of formation hydraulic fracturing (In Russ.), Vestnik Permskogo
natsional'nogo issledovatel'skogo politekhnicheskogo universiteta. Geologiya.
Neftegazovoe i gornoe delo, 2012, no. 2, pp. 55–60.
5. Vasil'ev V.A., Verisokin A.E., Hydraulic fracturing in horizontal wells (In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo universiteta.Geologiya. Neftegazovoe i gornoe delo, 2013, no. 6, pp. 101–110.
6. Tsvetkov G.A., Yushkov I.R., Vyatkin O.I., Balueva N.Yu., Research of variation of geomagnetic axis giroinklinometra in azimut without taking into account changes of variations of the geomagnetic field (In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo, 2014, no. 10, pp. 31–41.
7. Tsvetkov G.A., Automatic measuring system of control the dimensional angular deviations (In Russ.), Collected papers “Pribory i metody izmereniy” (Devices and methods of measurement), 2012, no. 2(5), pp. 57–62.
8. Tsvetkov G.A., Egorov M.A., Estimation of accuracy characteristics of automated measuring systems of control the dimensional angular deviations
(In Russ.), Collected papers “Pribory i metody izmereniy” (Devices and methods of measurement), 2013, no. 1(6), pp. 60–63.
9. Tsvetkov G.A., Balueva N.Yu., Kryukov S.A., Perfection of gyro-inclinometers accuracy during calibration at space orientation plants (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2010, no. 12, pp. 28–29.
10. Tsvetkov G.A., Project of automated operated precision device of dimensional orientation of rate-gyro systems (In Russ.), Neftyanoe khozyaystvo – Oil Industry, 2013, no. 4, pp. 35–39.

11. US Patent no. 4378693, Deflection measuring system, April, 1983.  

Key words: measuring navigation heads, tiltmeter , well, coordinates inaccuracy and receiver orientation, accelerometer , orientation, spatial angular horizon and azimuth deviation, azimuth mismatch of installation sites for equipment of monitoring and diagnostics of cracks development.

The problem of creating an automated measurement system using instruments and inertial navigation means , allowing to increase the accuracy of measurement of the angular mismatch of installation sites for scientific equipment , taking into account the dynamic measurement error, is considered on the basis of the executed research , hydrofracturing parameters control analysis . Enhancing the functionality of the measuring system is achieved by an additional measurement of spatial angular deviations, the angle of azimuthal mismatch of installation sites. The estimation of the accuracy characteristics of spatial angular deviations of installation sites for equipment for well logging fr om calibration errors, installation inaccuracy, tilt angles, incorrect initial orientation of devices.

References
1. Aksel'rod S.M., Real-time mode geophysical monitoring while formation hydrofracturing:
capabilities, implementations and lim itations (Based on foreign
publications) (In Russ.), Karotazhnik, 2014, V. 4(238), pp. 84–116.
2. Sashurin A.D., Balek A.E., Improvement of field measurement of stress-deformed
state of the large massif parts (In Russ.), Vestnik Permskogo natsional'nogo
issledovatel'skogo politekhnicheskogo universiteta. Geologiya.
Neftegazovoe i gornoe delo, 2014, no. 11, pp. 105–120.
3. Lyskov I.A., Musikhin V.V., Kashnikov Yu.A., Monitoring of deformation
processes the earth's surface using radar interferometry methods (In Russ.),
Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo
universiteta. Geologiya. Neftegazovoe i gornoe delo, 2010, no. 5, pp. 11–16.
4. Gubaydullin M.G., Kostin N.G., Glushkov D.V., GOHFER replicator applicatoin
for modelling of formation hydraulic fracturing (In Russ.), Vestnik Permskogo
natsional'nogo issledovatel'skogo politekhnicheskogo universiteta. Geologiya.
Neftegazovoe i gornoe delo, 2012, no. 2, pp. 55–60.
5. Vasil'ev V.A., Verisokin A.E., Hydraulic fracturing in horizontal wells (In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo universiteta.Geologiya. Neftegazovoe i gornoe delo, 2013, no. 6, pp. 101–110.
6. Tsvetkov G.A., Yushkov I.R., Vyatkin O.I., Balueva N.Yu., Research of variation of geomagnetic axis giroinklinometra in azimut without taking into account changes of variations of the geomagnetic field (In Russ.), Vestnik Permskogo natsional'nogo issledovatel'skogo politekhnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo, 2014, no. 10, pp. 31–41.
7. Tsvetkov G.A., Automatic measuring system of control the dimensional angular deviations (In Russ.), Collected papers “Pribory i metody izmereniy” (Devices and methods of measurement), 2012, no. 2(5), pp. 57–62.
8. Tsvetkov G.A., Egorov M.A., Estimation of accuracy characteristics of automated measuring systems of control the dimensional angular deviations
(In Russ.), Collected papers “Pribory i metody izmereniy” (Devices and methods of measurement), 2013, no. 1(6), pp. 60–63.
9. Tsvetkov G.A., Balueva N.Yu., Kryukov S.A., Perfection of gyro-inclinometers accuracy during calibration at space orientation plants (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2010, no. 12, pp. 28–29.
10. Tsvetkov G.A., Project of automated operated precision device of dimensional orientation of rate-gyro systems (In Russ.), Neftyanoe khozyaystvo – Oil Industry, 2013, no. 4, pp. 35–39.

11. US Patent no. 4378693, Deflection measuring system, April, 1983.  



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