... Abstract In exploration wells, particularly in deepwater exploration wells, the information regarding formation pressure has many uncertainties because of the lack of seismic data, logging data and daily drilling report. The present casing program design methods based on the deterministic...

... of pressure system and an ultrahigh pressure gas reservoir exits which contain hydrogen sulfide gas in the carbonate formation. Research on the formation pressure calculation is carried out and a pressure model is established in order to ensure the safety drilling. The priority is to study the pressure...

... geologic modeling wellhead pressure geological modeling formation pressure spe 131953 gas field flow in porous media kela 2 fluid modeling reservoir kela-2 gas field development mechanism reservoir characterization Basic point and exploitation difficulty of Kela2 Gas Field: Kela2 Gas...

... the formation pressure system using professional software upon the logging data. Study the relationship between the content of clay and the stability of borehole. It shows that the clay content has significant effect to borehole stability in Sudan. Then we analyze the collapse period of the upper stratums...

... Abstract This paper describes the experience and lessons learned to acquire logging while drilling (LWD) formation pressure and near-wellbore mobility data in Bohai Bay. This area is known to be difficult in terms of measuring key parameters for reservoir description in conventional wireline...

... annular pressure drilling mud density drilling operation drilling fluid characteristic formation pressure well dina 11 salt gypsum formation well control mudstone soft mudstone leakage Drilling gypsum formation gas field Upstream Oil & Gas pressure window well control technology...

... and phase equilibrium principles, and use a software Desktop-PVT, Landmark, USA to analyze and calculate. oil rim gas-oil ratio formation pressure fluid property early stage oil-ga contact upstream oil & gas saturation pressure condensate gas reservoir phase behavior condensate oil...

... fluid low flow system reservoir characterization profile control hydraulic fracturing breakthrough structural geology formation pressure oilfield enhanced recovery waterflooding strata flow system water block-off comprehensive management conformance improvement water breakthrough...

... scale various production indexes like production rate, formation pressure, control degree and production situation of different formations, effect in old wells, and ultimate recovery efficiency, etc. after each infilling adjustment. Result shows that recovery efficiency can be improved by 6–8% after...

... basis and practical experience for guiding the extending and potential tapping of transitional zone. spe 64752 expandable area transitional zone reserve increment daqing oil field outflow recoverable reserve formation pressure sandstone thickness reservoir characterization oil field oil...

... oil production water injection thickness productivity water breakthrough production index formation pressure platform SPE 50880 Society of Petroleum Engineers Practice & Knowledge Gained from the Development 1n the Pilot Area, SZ36-1 Oil Field Liang Huiwen, and Jing Fengjiang, SPE, China...

...% while maintaining the water-cut increasing rate under 3.5%. It means that the development of the reservoirs of the has reached a high level in Cainan oil field. P. 351 wang zhengde formation pressure oil field enhanced recovery well group waterflooding reservoir characterization water cut...

... recovery rate oil production permeability reservoir upstream oil & gas low-permeability reservoir investment recovery factor low permeability reservoir main problem well pattern injection formation pressure productivity pressure gradient oil field individual well enhanced recovery...

... production index specific production index fuyu oil reservoir drillstem testing oil production intensity putouhua reservoir pilot test area original formation pressure reservoir formation pressure saturation pressure production monitoring stable production stage mpa reservoir surveillance...

... pressure zone high temperature drilling fluids and materials drilling fluid density prediction group formation formation pressure upstream oil & gas requirement SPE 50882 Society of Petroleum Engineers High Temperature and High Pressure Well Drilling Practice 1n Ying-Qiong Area South China...

... ABSTRACT The analysis methods of completion damage of gas wells are presented in this paper by making use of transient testing and gas productivity index, we studied the impact of percolation capability, formation pressure, pressure coefficient, over-balanced pressure, and soak time...

... into the well, resulting in a lower BHP than the formation pressure so that the well started to flow. The returned mud contained a large amount of oil. Well Control Prior to Liner Cementing As stated before, when the annulus pressure reached 4.9 MPa, the returned mud would contain a large amount of oil...

... ABSTRACT Complicated well control problems could be divided into two categories: the conventional well control method in which the bottom hole pressure can always be kept equal to the formation pressure during the killing operations and \ill\ the unconventional method in which the pressure can...