Browse > Article
http://dx.doi.org/10.7474/TUS.2013.23.6.480

Development of Round Trip Occurrence Simulator Considering Tooth Wear of Drill Bit  

Lee, Seung Soo (Korea Institute of Construction Technology)
Kim, Kwang Yeom (Korea Institute of Construction Technology)
Shin, Hyu-Soung (Korea Institute of Construction Technology)
Publication Information
Tunnel and Underground Space / v.23, no.6, 2013 , pp. 480-492 More about this Journal
Abstract
After the introduction of geothermal power generation technology based on engineering reservoir creation that can be applied on non-volcanic region, industrial need for studies on the efficient and economic execution of costly deep-depth drilling work becomes manifest increasingly. However, since it is very difficult to predict duration and cost of boring work with acceptable reliability because of many uncertain events during the execution, efficient and organized work management for drilling is not easily achievable. Especially, the round trip that discretely occurs because of the abrasion of bit takes more time as the depth goes deeper and it has a great impact on the work performance. Therefore, a technology that can simulate the occurrence timing and depth of round trip in advance and therefore optimize them is essentially required. This study divided the abrasion state of bit into eight steps for simulation cases and developed a forecast algorithm, i.e., TOSA which can analyze the depth and timing of round trip occurrence. A methodology that can divide a unit section for simulation has been suggested; while the Bourgoyne and Young model has been used for the forecast of drilling rates and bit abrasion extent by section. Lastly, the designed algorithm has been systemized for the convenience of the user.
Keywords
Geothermal power generation; Drilling; Rate of penetration; Round trip; Simulator;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Bahari, A., Baradaran, A.S., 2007, Truss region approach to find constants of Bourgoyne and Young penetration rate, Proceedings of the J. SPE 107520, SPE Latin American and Carribean Petroleum Engineering Conference (LACPEC, 2007), Buenos Aires, Argentina.
2 Bourgoyne A.T. Jr., Young F.S., 1974, A Multiple Regression Approach to Optimal Drilling and Abnormal Pressure Detection, Society of Petroleum Engineers Journal 4238, August, pp. 371-384.
3 Eren T., 2010, Real-time Optimization of Drilling Parameters during Drilling Operations, Ph.D. Dissertation, Petroleum and Natural Gas Engineering Department, Middle East Technical University, Turkey.
4 Galle E.M., Woods A.B., 1963, Best Constant Weight and Rotary Speed for Rotary Rock Bits, Drill. And Prod. Prac., API, pp. 48-73.
5 International Association of Drilling Contractors, 2007, Drilling Manual 11th edition, International Association of Drilling, USA.
6 International Energy Agency, 2011, Technology roadmap: Geothermal heat and power, IEA, http://www.iea.org/papers/geothermal_roadmap.pdf.
7 Kim, K.Y., Kang, T.H., Lee, S.S., Shin, H.S., 2013, Introduction of Real-time Management Technology for Optimizing Drilling Influential Factors, Proceedings of Annual Conference of Korean Society for Rock Mechanics, pp. 15-18.
8 Lee, S.W., Choi, S.W., 2003, Modelling for TBM Performance Prediction, Journal of Korean Society for Rock Mechanics, TUNNEL & UNDERGROUND SPACE, Vol. 13, No. 6, pp. 260-269.
9 Maurer W.C., 1962, The Perfect-Cleaning Theory of Rotary Drilling, Journal of Pet. Tech, November, pp. 1270-1274.
10 Polsky, Y., Capuano J.L., Finger, J., Michael, H., Knudsen, S., Chip, A.J., Mansure, Raymond, D. and Swanson, R., 2008, Enhanced Geothermal Systems Well Construction Technology Evaluation Report, Sandia National Laboratories, USA.
11 Amy, L., 2009, Improving the economics of geothermal development through and oil and gas industry approach, Schlumberger Business Consulting, http://www.sbc.slb.com/Our_Work/Energy_Topics/-/media/Files/Point%20of%20View%20Docs/Improving_the_Economics_of_Geothermal_Development.ashx.