New Study of Mgo Nps in Drilling Fluid to Reduce Stick-Slip Vibration in Drilling System
DOI:
https://doi.org/10.31699/IJCPE.2019.2.7Keywords:
stick – slip motion, drilling mud, Nano particles, MgO and drill string vibrationAbstract
Stick-slip is kind of vibration which associated with drilling operation in around the bottom hole assembly (BHA) due to the small clearance between drill string & the open hole and due to the eccentric rotating of string. This research presents results of specific experimental study that was run by using two types of drilling mud (Fresh water Bentonite & Polymer), with/without Nanoparticle size materials of MgO in various ratios and computes the rheological properties of mud for each concentration [Yield point, plastic viscosity, Av, PH, filter loss (30 min), filter cake, Mud Cake Friction, Friction Factor]. These results then were used to find a clear effects of Nanoparticle drilling mud rheology on stick - slip strength by several perspectives through a special “Torque and Drag” software which simulate the torque amount expected on BHA during drilling a vertical well in different conditions using real drilling string design that usually used in Iraqi oil fields. Thus to mitigate or to prevent stick–slip and cure the sequence events that could happen to both of drilling string and the well, i.e. Bit/BHA wear, pipe sticking, borehole instability and low Rate of penetration. Our study concluded that there are good reduction in the torque from (2031lb-ft) to (1823lb-ft) using polymer mud and torque reduction from (4000lb-ft) to (3450lb-ft) using Fresh Water Bentonite, these results do not include any breaking in the satisfactory range of other mud rheology.
Received on 13/01/2019
Accepted on 25/02/2019
Published on 30/06/2019
References
Å. Kyllingstad and G. W. Halsey, “A Study of Slip/Stick Motion of the Bit,” SPE Drill. Eng., vol. 3, no. 4, pp. 369–373, 1988.
M. I. Abdulwahab, S. Thahab, and A. H. Dhiaa, “Experimental Study of Thermophysical Properties of TiO2 Nanofluid”, ijcpe, vol. 17, no. 2, pp. 1-6, Jun. 2016.
Y. Q. Lin and Y. H. Wang, “New Mechanism in Drillstring Vibration,” Offshore Technol. Conf., 1990.
B. A. Abdulmajeed and N. S. Majeed, “Study and Analysis of Concentric Shell and Double Tube Heat Exchanger Using Tio 2 Nanofluid,” Iraqi J. Chem. Pet. Eng., vol. 18, no. 4, pp. 15–23, 2017.
T. V Aarrestad and H. Blikra, “Torque and Drag: Key Factors in Extended-Reach Drilling,” IADC/SPE Drill. Conf., no. SPE 27491, pp. 547–552, 1994.
N. Majeed and D. Naji, “Synthesis and Characterization of Iron Oxide Nanoparticles by Open Vessel Ageing Process”, ijcpe, vol. 19, no. 2, pp. 27-31, Jun. 2018.
F. H. M. Al-Mahdawi and K. Saad, “Enhancement of Drilling Fluid Properties Using Nanoparticles”, ijcpe, vol. 19, no. 2, pp. 21-26, Jun. 2018.
B.-Q. Xu, J.-M. Wei, H.-Y. Wang, K.-Q. Sun, and Q.-M. Zhu, “Nano-MgO: novel preparation and application as support of Ni catalyst for CO2 reforming of methane,” Catal. Today, vol. 68, no. 1–3, pp. 217–225, 2001.
N. Jafariesfad, Y. Gong, M. R. Geiker, and P. Skalle, “Nano-Sized MgO with Engineered Expansive Property for Oil Well Cement Systems,” SPE Bergen One Day Semin., 2016.
G. T. Caneba, C. Dutta, V. Agrawal, and M. Rao, “Novel Ultrasonic Dispersion of Carbon Nanotubes,” J. Miner. Mater. Charact. Eng., vol. 09, no. 03, pp. 165–181, 2010.
K. Slater and A. Amer, “New Automated Lubricity Tester Evaluates Fluid Additives, Systems and Their Application,” pp. 1–8, 2013.
Downloads
Published
Issue
Section
License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
