Prevention and control of vacuum interval by managed pressure injection in cementing-Reference-Cited by-同舟云学术

Prevention and control of vacuum interval by managed pressure injection in cementing

Published:2024 Issue:4 Part B Volume:28 Page:3397-3402
ISSN:0354-9836
Container-title:Thermal Science
language:en
Short-container-title:Therm sci

Author:

Fu Jiasheng¹,Liu Wei¹,Han Xiaosong²,Zhao Qing¹,Hao Weiwei³,Li Ning⁴

Affiliation:

1. CNPC Engineering Technology R&D Company Limited, Beijing, China + National Engineering Research Center for Oil and Gas Drilling and Completion Technology, Beijing, China

2. CNPC Engineering Technology R&D Company Limited, Beijing, China

3. CNPC Engineering Technology R&D Company Limited, Beijing, China + National Engineering Research Center for Oil and Gas Drilling and Completion Technology, Beijing, Chin

4. Key Laboratory for Symbol Computation and Knowledge Engineering of National Education Ministry, College of Computer Science and Technology, Jilin University, Changchun, China

Abstract

This article uses on-site drilling data and establishes a hydraulic model for pres?sure-controlled cementing to simulate and analyze the generation process of the vacuum interval in the wellbore, as well as the changes in the volume and height of the vacuum interval, bottom hole pressure, and point of interest pressure over time. This model can optimize and recommend key parameters such as target wellhead back pressure and displacement based on the pressure window and drilling param?eters, with the target pressure of the focus point as the anchor point. Through the hydraulic model of controlled pressure cementing, the hydraulic parameters and processes of managed pressure cementing can be optimized and recommended, effectively ensuring the safety of the cementing process.

Publisher

National Library of Serbia

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