The Open Petroleum Engineering Journal




(Discontinued)

ISSN: 1874-8341 ― Volume 12, 2019

Layer Selection Method of Ultra-Short Radius Horizontal Wells



Erlong Yang1, 2, Huan Li3, *, Huijuan Gao1, Juquan Jia1, Meng Qi1
1 Key Laboratory on Enhanced Oil and Gas Recovery of the Ministry of Education, Northeast Petroleum University, Daqing, Heilongjiang, 163318, China
2 Post Doctoral Scientific Research Workstation, Beijing Deweijiaye Science and Technology Corporation Ltd., 10020, China
3 Second Oil Production Plant of Daqing Oilfield of CNPC, Daqing, Heilongjiang, China

Abstract

Study on the technology that sidetracking horizontal wells with ultra-short radius to select boundary layer has certain practical meaning. But recently this kind of research, especially the study on sidetracking position for horizontal well, is less or even none. In this paper, on the basis of the potential superposition method and the equivalent flowing resistance method, the cumulative oil production calculation model of the horizontal well after sidetracking is established. Then the dimensionless height from the top is introduced to modify the model with the means of numerical simulation. Therefore set up the relationship between the cumulative oil production and six factors such as cumulative oil production, effective thickness, the dimensionless height from the top, average permeability, oil and water wells, the average remaining oil saturation and completeness of drilling stage for horizontal well. By combining break-even analysis, layer selection method of ultra-short radius horizontal wells is determined. A relevant chart is also obtained. The method established in this paper can help to choose the optimal layer of sidetracking horizontal well with ultra-short radius.

Keywords: Horizontal wells with ultra-short radius, Numerical simulation, The layer selection method, The dimensionless height from the top.


Article Information


Identifiers and Pagination:

Year: 2016
Volume: 9
First Page: 169
Last Page: 177
Publisher Id: TOPEJ-9-169
DOI: 10.2174/1874834101609160169

Article History:

Received Date: 29/11/2015
Revision Received Date: 18/01/2016
Acceptance Date: 06/06/2016
Electronic publication date: 26/08/2016
Collection year: 2016

© Yang et al. ; Licensee Bentham Open

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.


* Address correspondence to this author at the Second Oil Production Plant of Daqing Oilfield of CNPC, Daqing, Heilongjiang, China; Tel: +8615246063179; E-mail: lhzuikuaile@163.com



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