Study and Application of New Technology to Increase Drilling Speed of Ultra-Deep Well in Yuanba Area

SUN Mingxin


The geologic condition in Yuanba Area is quite complex.The drilling problems of formation leakage, pressure differential sticking, narrow density windows and other issues are more and more prominent. Drilling efficiency is low with long drilling cycle because of abnormal complex engineering geological characteristics such as thick continental formation, interbeded sand shale, poor drillability, ultra-high pressure in J1z and T3x formation, narrow pressure window. 12 completed wells in Yuanba area are analyzed, the conclusion can be draw that improving drilling efficiency in Yuanba region is quite potential if complexity underlying can be decreased and ROP can be improved. In view of this, the matching drilling technologies and tools are introduced and applied, the result show that optimization technology of casing program, bit optimization, gas drilling technology, compound drilling technology and corresponding new tools has made great success in Yuanba area, the average ROP was increased by 20.25%, drilling period was shortened by 18.33%, and the average complex accident handling time was reduced by 25.40%, which provides a good reference for ultra-deep well drilling.

Key words: Ultra-deep well; Gas drilling; Bit optimization; Compound drilling; Drilling ROP


Ultra-deep well; Gas drilling; Bit optimization; Compound drilling; Drilling ROP

Full Text:



Liu, R. S., & Zhu, D. W. (2005). Main Technical Difficulties Encountered While Drilling Deep Wells and Countermeasures. Petroleum Drilling Techniques, 33(5), 6-10.
[2] Yu, W. P. (2010). Difficulty and Countermeasures for the Advance of the Deep Well Drilling Technology in China. Sino-Global Energy, 15(9), 52-55.
[3] Hou, S. G., Liu, X. Y., & Yang, Y. K. (2008). Application of Gas Drilling Technology in Northeast Sichuan Area. Petroleum Drilling Techniques, 36(3), 24-28.
[4] Kozicz, J. (2006). Managed Pressure Drilling-Recent Experience, Potential Efficiency Gains, and Future Opportunities. IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, 13-15 November 2006, Bangkok, Thailand.
[5] Vieira, P. et al. (2008). Constant Bottomhole Pressure, Managed Pressure Drilling Technology Applied in an Exploratory Well in Saudi Arbia. SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, 28-29 January 2008, Abu Dhabi, UAE.
[6] Eddie, R. H., & John, N. M. (1981). Laboratory Evaluation of PDC Drill Bits Under High-Speed and High-Wear Conditions. Journal of Petroleum Technology, 33(12), 2316-2321.
[7] Feng, D. (2007). Study on Compound Drilling Technology of Turbodrill. Oil Drilling & Production Technology, 29(3), 19-21.
[8] Lin, Y. H., Huang, W. Z., & Shi, T. H. (2003). Development and Application of the Thruster. Oil Drilling & Production Technology, 25(3), 1-3.
[9] Li, G. S., Shen, Z. H., & Zhang, S. P. et al. (2003). Development and Field Tests of Self-Resonating Cavitating Water Jet Nozzle for Oilwell Drilling. Petroleum Drilling Techniques, 31(5), 11-12.
[10] Li, G. S., Shen, Z. H., & Zhou, C. S. et al. (2005). Advances in Investigation and Application of Self-Resonating Cavitating Water Jet. Engineering Science, 7(1), 27-32.
[11] Guo, Y. H., He, S. M., & Song, J. W. (2012). Application of TorkBuster Torsion Impactor to Drilling-Speed Increase in Yuanba Area. Natural Gas Technology and Economy, 6(3), 52-54.
[12] Wang, C. L., Sun, Y. H., & Liu, B. C. et al. (2011). Experiment and Rock Fragmentation Mechanism of Bionic Coupling Impregnated Diamond Bit. Journal of Central South University (Science and Technology, 42(5), 1321-1325.



  • There are currently no refbacks.

Copyright (c)

Share us to:   


  • How to do online submission to another Journal?
  • If you have already registered in Journal A, then how can you submit another article to Journal B? It takes two steps to make it happen:

1. Register yourself in Journal B as an Author

  • Find the journal you want to submit to in CATEGORIES, click on “VIEW JOURNAL”, “Online Submissions”, “GO TO LOGIN” and “Edit My Profile”. Check “Author” on the “Edit Profile” page, then “Save”.

2. Submission

  • Go to “User Home”, and click on “Author” under the name of Journal B. You may start a New Submission by clicking on “CLICK HERE”.

We only use three mailboxes as follows to deal with issues about paper acceptance, payment and submission of electronic versions of our journals to databases:;;

 Articles published in Advances in Petroleum Exploration and Development are licensed under Creative Commons Attribution 4.0 (CC-BY)


Address:1020 Bouvier Street, Suite 400, Quebec City, Quebec, G2K 0K9, Canada.

Telephone: 1-514-558 6138
Website: Http://

Copyright © 2010 Canadian Research & Development Centre of Sciences and Cultures