The Review and Development of Devices with an Increasing Rate of Penetration (ROP) in Deep Formation Drilling Based on Drill String Vibration

Yongwang Liu (), Yixiang Niu, Zhichuan Guan and Shuquan Lyu
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Yongwang Liu: College of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
Yixiang Niu: College of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
Zhichuan Guan: College of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
Shuquan Lyu: Drilling Technology Research Institute of Sinopec Oilfield Service Shengli Corporation, Dongying 257000, China

Energies, 2022, vol. 15, issue 19, 1-16

Abstract: The oil and gas resources stored in deep strata are an important replacement field of the petroleum industry. Accelerating the exploration and development of deep oil and gas is of great significance to the security of energy strategy. Drilling is the primary link and necessary means of deep oil and gas exploration and development. Slow drilling speed is one of the key problems restricting the exploration and development of deep oil and gas. The research and development of down-hole equipment with an increasing ROP provides a technical means for increasing the ROP. However, the energy of existing down-hole equipment with an increasing ROP comes from the drilling circulation medium, and the ROP increase effect of such equipment is relatively obvious in shallow and middle formations. However, with the increase in well depth, energy in the circulation medium increasingly struggles to reach deeper formations, and the ROP increase effect is not good at the later stage of drilling. In the drilling process, drill string vibration is a frequently encountered complex situation, but it also contains sufficient energy, and the energy of drill string vibration will increase with an increase in the well depth, which can meet the energy demand of increasing the ROP in deep oil and gas exploration. This paper analyzes the characteristics of drill string vibration, and introduces six kinds of devices that take drill string vibration as energy and realize drill string vibration reduction, bottom-hole pressurization, and high-pressure pulse jet, providing a new idea for the development of deep down-hole speed-increasing devices.

Keywords: ROP increase; energy of drill string vibration; drill string vibration reduction; bottom-hole pressurization; high-pressure pulsed jet (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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