... Abstract This paper mainly focuses on the igneous rock reservoirs of Yingcheng group in Xushen gas field, Daqing. According to plenty of data in field (Core description, conventional logging, FMI, drilling data), this work presents the general development characteristics of core fractures...

... Abstract Supercritical pipelines are most commonly used in CO 2 transportation. Liquid models are always utilized for design and hydraulic checking of those pipelines. However, supercritical CO 2 may show significant characteristics of gaseous under certain operating condition...

... in Sichuan Basin were widened. facies seismic prediction amplitude sedimentary facies ocean trough prediction sequence upstream oil & gas carbonate reef feixianguan period reef oolitic reservoir permian characteristic reservoir characterization reservoir prediction time difference...

... controlled both by the regional stress field and the activity of the faults, the fractures are displayed by belts in coincident with the strike of the main faults. fracture characterization lithology phenocryst volcanic gas reservoir characteristic high angle fracture structural fracture...

... of an interactive, intranet tool. This software incorporates logic regarding the configuration of the reamer and assesses these against key characteristics of the drill bit. The tool enables the user to accurately select the drill bit that best complements the reamer that will be utilized. A number of examples...

... them quantitatively. This study is the base of the volcanic reservoir description and prediction, at the same time, it create a new way to study the volcanic reservoir more scientific than before. reflection characteristic volcanic facies characteristic volcanic gas reservoir hierarchically...

... reservoir. Besides, supercritical CO 2 micro-flow characteristics and mass transfer between oil and CO 2 are analyzed. Using a high-speed advanced and visualization camera (5000/s) micro-simulation model, the flooding mechanism of transient dead end pore and interfacial mass transfer are both observed...

... performance of the EOR. drilling operation Bohai characteristic Directional Drilling sand control oilfield viscosity application Bohai Bay open hole sand management branch well Upstream Oil & Gas Drilling Technology completion technology EOR horizontal branch well jiangwei...

... building angle rate optimization oil formation horizontal interval fault-block reservoir development technique evaluation accuracy complex fault-block reservoir application well track structural geology umderground obstacle Efficiency deployment requirement characteristic petroleum...

... were not satisfactory. Under these difficult circumstances, in order to gain perfect acid fracturing effectiveness, we have succeeded in developing TCA acid fracturing technique. A new TCA system is presented in this paper that has unique viscosity-temperature characteristic, the TCA viscosity...

... As it is indicated by the curve in Fig. 1 , one-meter-long core is required in case of 100 cavities in every one-meter distance to measure the parameter of representative reservoir characteristic; 100-meter-long core is required in case of 1 cavity in every one-meter distance to measure...

... treatment of the sandpack indicates more than 95% decrease in permeability compared to the original sandpack permeability. The gel also caused more than 50% increase in the penetration resistance of the sand pack i.e. enhanced the strength characteristics of the sandpack. drilling fluids and materials...

... 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...

... Abstract The paper takes Brent oil price as an example to study the nonlinear characteristic of oil price sequence. The original price data is processed first, then the chaos and its complexity degree is studied systematically, based on which the chaos cause of oil price is analyzed. Thus...

... Abstract Based on high pressure physical property experiments, such as swelling experiment, multi-contact experiment and asphaltene precipitation experiment et al, thermodynamic characteristics of asphaltene precipitation during CO 2 injection have been analyzed comprehensively with numerical...

... casing and cementing cementation cement property Upstream Oil & Gas operation process cement chemistry cement cement plug Bridge pressure layer agent well intervention interval high pressure channeling well characteristic ultra-fine filtrate 30 slurry society of petroleum engineers...

... drilling fluids and materials Upstream Oil & Gas concentration characteristic latex tenacity cement slurry system petroleum engineer ductility china government engineering technology asia government cement slurry system sun fuquan society of petroleum engineers spe 104434 cement hydration...

..., intercrystalline pore, solution pore and fracture. From them, the secondary pore of intergranular pore and intragranular pore arethe dominant pore. The pore has the characteristics of narrow throat and lowpore throat coordination. From the top to the bottom, the porosity graduallyincreases. Permeability of matrix...

... remaining oil forfavorable oil bearing structure and developed reservoir by combining thedynamic and static characteristics, macro and micro scales, resolved thedifficult problem of interpretation and transverse prediction of internalmicro-fault in complex fracture zone, coning body in strongly water...

... and management lithology database ailin jia sedimentology expert system bedding sand structural geology reservoir characterization upstream oil & gas outcrop genetic unit microfacies reservoir geological knowledge database artificial intelligence longxin mu characteristic geological knowledge...