...-engineered NAF to meet the overall well objectives. Alternatively, Water-Based Fluid (WBM) has significant environmental benefits compared to NAF. This paper presents the technical development, evolution and lessons learned from using a high performance HTHP WBM over a series of extremely challenging HPHT...

... practice. The paper also discusses the comprehensive pit management program and required treatment plan while drilling. strategic planning and management casing and cementing wellbore strengthening application wellbore strengthening hpht upstream oil & gas mud weight operation complex...

... drilling fluids and materials upstream oil & gas hpht fluid loss control carbon nanocomposite drilling fluid chemistry drilling fluid property drilling fluid formulation bentonite particle zeta potential drilling fluid management & disposal complex reservoir high pressure high...

... production above the above threshold limit. reservoir characterization production chemistry well control hpht drilling fluid management & disposal completion installation and operations corrosion inhibition complex reservoir drillstem testing completion equipment upstream oil & gas...

... Abstract Majority of gas fields in Tarim Basin are HPHT (high-pressure/high temperature) reservoirs with buried depth more than 5000m. The special geological conditions made it a challenge for underground well testing due to safety issues. Additionally, wellhead pressure fluctuation is widely...

... and formulation corrosion inhibition production chemistry production monitoring drilling fluids and materials reservoir surveillance hpht complex reservoir reservoir characterization sand/solids control production logging completion installation and operations screen selection production control...

... string ballooning. The rapid increase in annuli pressures might also be another factor that effects the casings and cement quality and deteriorates the wellhead growth issue even more. However, given that the flowing wellhead pressure is marginally lower than the shut in wellhead pressure in HPHT...

... of construction and living materials, renting of equipment, transport vehicles, etc. This initiative also helped to reduce unemployment rate and benefit the project management as well. Keshen gas field is one of the most complicated reservoir in China, not only because of the ultra-deep HPHT reservoirs, but also...

... into a single trip. Though value is added through reduction in operating time and risk, liner-top test packers must perform reliably while minimizing debris that could compromise subsequent completion operations. This presentation will discuss typical high-pressure/high-temperature (HPHT) test packer...

... to be considered while planning and preparing a viable pore pressure analysis which has resulted in successful drilling of a wild cat HPHT exploration well in Offshore Sarawak, Malaysia. A predrill pore pressure prediction study was initiated involving three offset wells in Central Luconia Province Offshore...

... Abstract KNUUD was the first High Pressure and High Temperature (HPHT) field development well embarked by PETRONAS and first in Malaysia. Learning from experience of HPHT operators in the North Sea,a detailed focus on life cycle well integrity aspect has been thoroughly emphasized throughout...

... Abstract The Company had successfully drilled 4 challenging BD Development Wells (1 vertical and 3 horizontal). BD Field reservoir is aKujung 1 limestone reef, considered near HPHT and critical sour with 8,100 psi Bottom Hole Pressure (BHP), 300℉ Bottom Hole Temperature (BHT), 5.5% CO 2...

... Abstract As more and more HPHT & DW wells are drilled to explore or exploit reservoirs with narrow pore pressure (PP) / fracture gradient (FG) windows, the luxury of maintaining significant hydrostatic overbalance during the drilling and cementing operations or of being able to maintain...

... by drilling 45 ultra-deep HPHT wells and building a pipeline system of 140km long with zero environment pollution. 41 towns and 4 million residents benefited from this project. The location of processing plant and pipeline network pattern were selected through node analysis and topology analysis. A fishbone...

... to the conflict of high temperature and low temperature. It can also be compatible with temperature difference and increase holding pressure. HPHT drilling fluid formulation drilling fluid drilling fluids and materials drilling fluid chemistry drilling fluid property Upstream Oil & Gas Lingshui...

... the planning time. This paper describes the first application of the CWP concept in offshore Borneo, which has become a trendsetter in terms of efficient and safe deepwater drilling planning and operations. Artificial Intelligence real time system Reservoir Characterization HPHT Upstream Oil...

... Abstract This paper discusses a case study of pore pressure and fracture gradient (PPFG) prediction for a development well in the high pressure high temperature (HPHT) Hai Thach field. Drilling in this field presented considerable challenges as the overpressure could reach 17.0-17.8 ppg...

... complex reservoir high pressure high temperature zonal isolation compressive strength cement property HPHT cement chemistry Upstream Oil & Gas self-healing cement bottomhole static temperature expandable cement tapered liner expansion advanced isolation material critical high-temperature...

.... The results obtained with the new engineering tool and precise operational field executions allowed the operator to execute more than 80 cement plugs successfully from 2010 to 2013. complex reservoir drilling operation HPHT plug placement simulator simulator high pressure high temperature plug...

... fluid property wash agent drilling fluid selection and formulation solubility drillstem testing mineral complex dissolver chemical flowline corrosion drilling fluid chemistry subsurface corrosion high pressure high temperature permeability hpht drilling fluids and materials upstream oil...