The Deployment of Managed Pressure Drilling Technology, to Assist in the Development of Offshore HPHT Gas Condensate Fields in Vietnam - Planning, Engineering, and Implementation

Gedge, Benjamin; Tan, Chai Yong; Rao, Jordan; Singh, Harpreet Kaur Dalgit; Oracion, Joseph; Quoc, Bao Ta; Nguyen, Viet Bot; Tran, Nam Hong; Minh, Tri Le Tran; Buitenhuis, Richard John; Tran, Lich Dai; Wittry, Alan E.; Malpas, Peter; Beaugeois, Aldric; Huu, Nhieu Nguyen; Que, Nguyen Van

doi:10.2118/171429-ms

Cited by 2 publications

References 2 publications

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Best Practices and Lessons Learned on the Application of Managed Pressure Drilling MPD Technology For High Pressure High Temperature HPHT Wells in Vietnam

Quoc

Yong

Singh

et al. 2016

IADC/SPE Asia Pacific Drilling Technology Conference

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With the surmounting call of cost cutting measures within the oil and gas industry, it is of paramount importance to examine and evaluate the drilling activities during the course of the application of Managed Pressure Drilling (MPD) technique for High Pressure High Temperature (HPHT) wells globally. The cost reduction has also affected wells drilled in Vietnam. One common discussion amongst operators to decide on MPD system installation for a drilling campaign is the significant upfront cost associated with the technology. However, through detailed cost benefit analysis and carefully examining the previous lessons learned and extract the best practices in order to apply it for future wells; the benefits in operational safety, drilling optimization, NPT reduction through the use of MPD, significantly outweigh its cost. The paper will discuss the lessons learned, best practices and experience of MPD technology based on HPHT wells drilled in Vietnam. Specifically, it will examine what went well on the following: Preparations for MPD in a HPHT environmentMPD equipment requirement and design for the specific MPD applicationRigging upMPD equipmentSelection of sealing element for HPHT wellsHPHT drilling with MPDPumping out of hole vs. pulling out of hole with surface back pressure (SBP)Well control scenario when drill String is out of hole

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Best Practices and Lessons Learned on the Application of Managed Pressure Drilling MPD Technology For High Pressure High Temperature HPHT Wells in Vietnam

Quoc

Yong

Singh

et al. 2016

IADC/SPE Asia Pacific Drilling Technology Conference

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Drilling Fluid and Cement Slurry Design for Naturally Fractured Reservoirs

et al. 2021

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For years, drilling engineers have been faced with the challenge of drilling wells through naturally fractured reservoirs that are present around the world. During drilling, the pressure at the bottomhole of a well is frequently intentionally higher than formation pressure, which can result in the loss of mud in surrounding rocks. During well cementing, the bottomhole pressure is even higher than it is during drilling, because the cement slurry density is higher than the density of the mud. Therefore, if natural or induced fractures in the surrounding rocks are not plugged during drilling, the cement slurry can be lost to them, reducing their permeability which is undesirable in the case of a pay zone. To prevent the loss of circulation and the related consequences, it is necessary to apply good drilling and cementing practices and to use adequate methods and carefully selected materials for plugging the loss zones. The aim of this article is to give an overview of the preventive and corrective methods that can be applied in drilling and cementing through fractured zones as well as improvements in drilling and cementing technology to avoid lost circulation issues (e.g., aerated drilling fluid, casing while drilling, managed pressure drilling, expandable tubulars, lightweight cement slurries, etc.).

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The Deployment of Managed Pressure Drilling Technology, to Assist in the Development of Offshore HPHT Gas Condensate Fields in Vietnam - Planning, Engineering, and Implementation

Cited by 2 publications

References 2 publications

Best Practices and Lessons Learned on the Application of Managed Pressure Drilling MPD Technology For High Pressure High Temperature HPHT Wells in Vietnam

Best Practices and Lessons Learned on the Application of Managed Pressure Drilling MPD Technology For High Pressure High Temperature HPHT Wells in Vietnam

Drilling Fluid and Cement Slurry Design for Naturally Fractured Reservoirs

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