A MODEL TO CALCULATE PRESSURE DROPS OHORIZONTAL WELLBORE VARIABLE MASS FLOW COUPLED WITH FLOW IN A RESERVOIR

doi:10.3863/j.issn.1000-2634.2000.02.12

西南石油大学学报(自然科学版) ›› 2000, Vol. 22 ›› Issue (2): 36-39.DOI: 10.3863/j.issn.1000-2634.2000.02.12

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A MODEL TO CALCULATE PRESSURE DROPS OHORIZONTAL WELLBORE VARIABLE MASS FLOW COUPLED WITH FLOW IN A RESERVOIR

LIU Xiang-ping¹ZHANG Zhao-shun¹ LIU Xiang-e²GUO Shang-ping²　

Tsinghua University, Beijing

Received:1999-10-12 Revised:1900-01-01 Online:2000-04-20 Published:2000-04-20

Abstract

Abstract:

Pressure drops in horizontal wellbore influence production performance greatly. This paper analysis the property of horizontal wellbore single-phase variable mass flow coupled with flow in reservoir when a horizontal well is producing. The basic equation are derived to calculate the pressure drops of the flow within an open-hole and a perforated completion horizontals well bore based on the principle of conservation of mass and momentum. And the equation of flow in the reservoir is also derived using potential superposition principles. Based on this, a new model to calculate pressure drops in horizontal wellbore is developed. The results of the practical calculations are shown.

Key words: horizontal wellbore, variable mass flow, coupling, pressure drops, mathematical model

CLC Number:

TE355.6

LIU Xiang-ping ZHANG Zhao-shun LIU Xiang-e GUO Shang-ping　. A MODEL TO CALCULATE PRESSURE DROPS OHORIZONTAL WELLBORE VARIABLE MASS FLOW COUPLED WITH FLOW IN A RESERVOIR[J]. 西南石油大学学报(自然科学版), 2000, 22(2): 36-39.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.3863/j.issn.1000-2634.2000.02.12

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A MODEL TO CALCULATE PRESSURE DROPS OHORIZONTAL WELLBORE VARIABLE MASS FLOW COUPLED WITH FLOW IN A RESERVOIR

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